wip: me panel.

api/3rd_party/angel3_orm/AUTHORS.md

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+Primary Authors
+===============
+
+* __[Thomas Hii](dukefirehawk.apps@gmail.com)__
+
+    Thomas is the current maintainer of the code base. He has refactored and migrated the 
+    code base to support NNBD.
+
+* __[Tobe O](thosakwe@gmail.com)__
+
+    Tobe has written much of the original code prior to NNBD migration. He has moved on and
+    is no longer involved with the project.

api/3rd_party/angel3_orm/CHANGELOG.md

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+# Change Log
+
+## 4.0.4
+
+* Changed default varchar size to 255
+* Changed default primary key to serial
+  
+## 4.0.3
+
+* Removed debugging messages
+
+## 4.0.2
+
+* Updated linter to `package:lints`
+* Set `createdAt` and `updatedAt` to current datetime as default
+
+## 4.0.1
+
+* Fixed expressions parsing error
+* Fixed json data type error
+* Added debug logging to sql query execution
+
+## 4.0.0
+
+* Updated `Optional` package
+
+## 4.0.0-beta.4
+
+* Added `hasSize` to `ColumnType`
+
+## 4.0.0-beta.3
+
+* Updated README
+* Fixed NNBD issues
+
+## 4.0.0-beta.2
+
+* Fixed static analysis warning
+
+## 4.0.0-beta.1
+
+* Migrated to support Dart SDK 2.12.x NNBD
+
+## 3.0.0
+
+* Migrated to work with Dart SDK 2.12.x Non NNBD
+
+## 2.1.0-beta.3
+
+* Remove parentheses from `AS` when renaming raw `expressions`.
+
+## 2.1.0-beta.2
+
+* Add `expressions` to `Query`, to support custom SQL expressions that are
+read as normal fields.
+
+## 2.1.0-beta.1
+
+* Calls to `leftJoin`, etc. alias all fields in a child query, to prevent
+`ambiguous column a0.id` errors.
+
+## 2.1.0-beta
+
+* Split the formerly 600+ line `src/query.dart` up into
+separate files.
+* **BREAKING**: Add a required `QueryExecutor` argument to `transaction`
+callbacks.
+* Make `JoinBuilder` take `to` as a `String Function()`. This will allow
+ORM queries to reference their joined subqueries.
+* Removed deprecated `Join`, `toSql`, `sanitizeExpression`, `isAscii`.
+* Always put `ORDER BY` before `LIMIT`.
+* `and`, `or`, `not` in `QueryWhere` include parentheses.
+* Add `joinType` to `Relationship` class.
+
+## 2.0.2
+
+* Place `LIMIT` and `OFFSET` after `ORDER BY`.
+
+## 2.0.1
+
+* Apply `package:pedantic` fixes.
+* `@PrimaryKey()` no longer defaults to `serial`, allowing its type to be
+inferenced.
+
+## 2.0.0
+
+* Add `isNull`, `isNotNull` getters to builders.
+
+## 2.0.0-dev.24
+
+* Fix a bug that caused syntax errors on `ORDER BY`.
+* Add `pattern` to `like` on string builder. `sanitize` is optional.
+* Add `RawSql`.
+
+## 2.0.0-dev.23
+
+* Add `@ManyToMany` annotation, which builds many-to-many relations.
+
+## 2.0.0-dev.22
+
+* `compileInsert` will explicitly never emit a key not belonging to the
+associated query.
+
+## 2.0.0-dev.21
+
+* Add tableName to query
+
+## 2.0.0-dev.20
+
+* Join updates.
+
+## 2.0.0-dev.19
+
+* Implement cast-based `double` support.
+* Finish `ListSqlExpressionBuilder`.
+
+## 2.0.0-dev.18
+
+* Add `ListSqlExpressionBuilder` (still in development).
+
+## 2.0.0-dev.17
+
+* Add `EnumSqlExpressionBuilder`.
+
+## 2.0.0-dev.16
+
+* Add `MapSqlExpressionBuilder` for JSON/JSONB support.
+
+## 2.0.0-dev.15
+
+* Remove `Column.defaultValue`.
+* Deprecate `toSql` and `sanitizeExpression`.
+* Refactor builders so that strings are passed through
+
+## 2.0.0-dev.14
+
+* Remove obsolete `@belongsToMany`.
+
+## 2.0.0-dev.13
+
+* Push for consistency with orm_gen @ `2.0.0-dev`.
+
+## 2.0.0-dev.12
+
+* Always apply `toSql` escapes.
+
+## 2.0.0-dev.11
+
+* Remove `limit(1)` except on `getOne`
+
+## 2.0.0-dev.10
+
+* Add `withFields` to `compile()`
+
+## 2.0.0-dev.9
+
+* Permanent preamble fix
+
+## 2.0.0-dev.8
+
+* Escapes
+
+## 2.0.0-dev.7
+
+* Update `toSql`
+* Add `isTrue` and `isFalse`
+
+## 2.0.0-dev.6
+
+* Add `delete`, `insert` and `update` methods to `Query`.
+
+## 2.0.0-dev.4
+
+* Add more querying methods.
+* Add preamble to `Query.compile`.
+
+## 2.0.0-dev.3
+
+* Brought back old-style query builder.
+* Strong-mode updates, revised `Join`.
+
+## 2.0.0-dev.2
+
+* Renamed `ORM` to `Orm`.
+* `Orm` now requires a database type.
+
+## 2.0.0-dev.1
+
+* Restored all old PostgreSQL-specific annotations. Rather than a smart runtime,
+having a codegen capable of building ORM's for multiple databases can potentially
+provide a very fast ORM for everyone.
+
+## 2.0.0-dev
+
+* Removed PostgreSQL-specific functionality, so that the ORM can ultimately
+target all services.
+* Created a better `Join` model.
+* Created a far better `Query` model.
+* Removed `lib/server.dart`
+
+## 1.0.0-alpha+10
+
+* Split into `angel_orm.dart` and `server.dart`. Prevents DDC failures.
+
+## 1.0.0-alpha+7
+
+* Added a `@belongsToMany` annotation class.
+* Resolved [##20](https://github.com/angel-dart/orm/issues/20). The
+`PostgreSQLConnectionPool` keeps track of which connections have been opened now.
+
+## 1.0.0-alpha+6
+
+* `DateTimeSqlExpressionBuilder` will no longer automatically
+insert quotation marks around names.
+
+## 1.0.0-alpha+5
+
+* Corrected a typo that was causing the aforementioned test failures.
+`==` becomes `=`.
+
+## 1.0.0-alpha+4
+
+* Added a null-check in `lib/src/query.dart##L24` to (hopefully) prevent it from
+crashing on Travis.
+
+## 1.0.0-alpha+3
+
+* Added `isIn`, `isNotIn`, `isBetween`, `isNotBetween` to `SqlExpressionBuilder` and its
+subclasses.
+* Added a dependency on `package:meta`.

api/3rd_party/angel3_orm/LICENSE

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+
+BSD 3-Clause License
+
+Copyright (c) 2021, dukefirehawk.com
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

api/3rd_party/angel3_orm/README.md

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+# Angel3 ORM
+
+![Pub Version (including pre-releases)](https://img.shields.io/pub/v/angel3_orm?include_prereleases)
+[![Null Safety](https://img.shields.io/badge/null-safety-brightgreen)](https://dart.dev/null-safety)
+[![Gitter](https://img.shields.io/gitter/room/angel_dart/discussion)](https://gitter.im/angel_dart/discussion)
+[![License](https://img.shields.io/github/license/dukefirehawk/angel)](https://github.com/dukefirehawk/angel/tree/master/packages/orm/angel_orm/LICENSE)
+
+Runtime support for Angel3 ORM. Includes a clean, database-agnostic query builder and relationship/join support.
+
+## Supported database
+
+* PostgreSQL version 10, 11, 12, 13 and 14
+* MySQL 8.0 or later
+
+For documentation about the ORM, see [Developer Guide](https://angel3-docs.dukefirehawk.com/guides/orm)

api/3rd_party/angel3_orm/analysis_options.yaml

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+include: package:lints/recommended.yaml

api/3rd_party/angel3_orm/lib/angel3_orm.dart

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+export 'src/annotations.dart';
+export 'src/builder.dart';
+export 'src/join_builder.dart';
+export 'src/join_on.dart';
+export 'src/map_query_values.dart';
+export 'src/migration.dart';
+export 'src/order_by.dart';
+export 'src/query_base.dart';
+export 'src/query_executor.dart';
+export 'src/query_values.dart';
+export 'src/query_where.dart';
+export 'src/query.dart';
+export 'src/relations.dart';
+export 'src/union.dart';
+export 'src/util.dart';

api/3rd_party/angel3_orm/lib/src/annotations.dart

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+/// A raw SQL statement that specifies a date/time default to the
+/// current time.
+const RawSql currentTimestamp = RawSql('CURRENT_TIMESTAMP');
+
+/// Can passed to a [MigrationColumn] to default to a raw SQL expression.
+class RawSql {
+  /// The raw SQL text.
+  final String value;
+
+  const RawSql(this.value);
+}
+
+/// Canonical instance of [ORM]. Implies all defaults.
+const Orm orm = Orm();
+
+class Orm {
+  /// The name of the table to query.
+  ///
+  /// Inferred if not present.
+  final String? tableName;
+
+  /// Whether to generate migrations for this model.
+  ///
+  /// Defaults to [:true:].
+  final bool generateMigrations;
+
+  const Orm({this.tableName, this.generateMigrations = true});
+}
+
+/// The various types of join.
+enum JoinType { inner, left, right, full, self }

api/3rd_party/angel3_orm/lib/src/builder.dart

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+import 'package:intl/intl.dart' show DateFormat;
+import 'query.dart';
+
+final DateFormat dateYmd = DateFormat('yyyy-MM-dd');
+final DateFormat dateYmdHms = DateFormat('yyyy-MM-dd HH:mm:ss');
+
+abstract class SqlExpressionBuilder<T> {
+  final Query query;
+  final String columnName;
+  String? _cast;
+  bool _isProperty = false;
+  String? _substitution;
+
+  SqlExpressionBuilder(this.query, this.columnName);
+
+  String get substitution {
+    var c = _isProperty ? 'prop' : columnName;
+    return _substitution ??= query.reserveName(c);
+  }
+
+  bool get hasValue;
+
+  String? compile();
+}
+
+class NumericSqlExpressionBuilder<T extends num>
+    extends SqlExpressionBuilder<T> {
+  bool _hasValue = false;
+  String _op = '=';
+  String? _raw;
+  T? _value;
+
+  NumericSqlExpressionBuilder(Query query, String columnName)
+      : super(query, columnName);
+
+  @override
+  bool get hasValue => _hasValue;
+
+  bool _change(String op, T value) {
+    _raw = null;
+    _op = op;
+    _value = value;
+    return _hasValue = true;
+  }
+
+  @override
+  String? compile() {
+    if (_raw != null) return _raw;
+    if (_value == null) return null;
+    var v = _value.toString();
+    if (T == double) v = 'CAST ("$v" as decimal)';
+    if (_cast != null) v = 'CAST ($v AS $_cast)';
+    return '$_op $v';
+  }
+
+  bool operator <(T value) => _change('<', value);
+
+  bool operator >(T value) => _change('>', value);
+
+  bool operator <=(T value) => _change('<=', value);
+
+  bool operator >=(T value) => _change('>=', value);
+
+  void get isNull {
+    _raw = 'IS NULL';
+    _hasValue = true;
+  }
+
+  void get isNotNull {
+    _raw = 'IS NOT NULL';
+    _hasValue = true;
+  }
+
+  void lessThan(T value) {
+    _change('<', value);
+  }
+
+  void lessThanOrEqualTo(T value) {
+    _change('<=', value);
+  }
+
+  void greaterThan(T value) {
+    _change('>', value);
+  }
+
+  void greaterThanOrEqualTo(T value) {
+    _change('>=', value);
+  }
+
+  void equals(T value) {
+    _change('=', value);
+  }
+
+  void notEquals(T value) {
+    _change('!=', value);
+  }
+
+  void isBetween(T lower, T upper) {
+    _raw = 'BETWEEN $lower AND $upper';
+    _hasValue = true;
+  }
+
+  void isNotBetween(T lower, T upper) {
+    _raw = 'NOT BETWEEN $lower AND $upper';
+    _hasValue = true;
+  }
+
+  void isIn(Iterable<T> values) {
+    _raw = 'IN (' + values.join(', ') + ')';
+    _hasValue = true;
+  }
+
+  void isNotIn(Iterable<T> values) {
+    _raw = 'NOT IN (' + values.join(', ') + ')';
+    _hasValue = true;
+  }
+}
+
+class EnumSqlExpressionBuilder<T> extends SqlExpressionBuilder<T> {
+  final int Function(T) _getValue;
+  bool _hasValue = false;
+  String _op = '=';
+  String? _raw;
+  int? _value;
+
+  EnumSqlExpressionBuilder(Query query, String columnName, this._getValue)
+      : super(query, columnName);
+
+  @override
+  bool get hasValue => _hasValue;
+
+  bool _change(String op, T value) {
+    _raw = null;
+    _op = op;
+    _value = _getValue(value);
+    return _hasValue = true;
+  }
+
+  UnsupportedError _unsupported() =>
+      UnsupportedError('Enums do not support this operation.');
+
+  @override
+  String compile() {
+    if (_raw != null) {
+      return _raw!;
+    }
+    if (_value == null) {
+      return '';
+    }
+    return '$_op $_value';
+  }
+
+  void get isNull {
+    _raw = 'IS NULL';
+    _hasValue = true;
+  }
+
+  void get isNotNull {
+    _raw = 'IS NOT NULL';
+    _hasValue = true;
+  }
+
+  void equals(T value) {
+    _change('=', value);
+  }
+
+  void notEquals(T value) {
+    _change('!=', value);
+  }
+
+  void isBetween(T lower, T upper) => throw _unsupported();
+
+  void isNotBetween(T lower, T upper) => throw _unsupported();
+
+  void isIn(Iterable<T> values) {
+    _raw = 'IN (' + values.map(_getValue).join(', ') + ')';
+    _hasValue = true;
+  }
+
+  void isNotIn(Iterable<T> values) {
+    _raw = 'NOT IN (' + values.map(_getValue).join(', ') + ')';
+    _hasValue = true;
+  }
+}
+
+class StringSqlExpressionBuilder extends SqlExpressionBuilder<String> {
+  bool _hasValue = false;
+  String? _op = '=', _raw, _value;
+
+  StringSqlExpressionBuilder(Query query, String columnName)
+      : super(query, columnName);
+
+  @override
+  bool get hasValue => _hasValue;
+
+  String get lowerName => '${substitution}_lower';
+
+  String get upperName => '${substitution}_upper';
+
+  bool _change(String op, String value) {
+    _raw = null;
+    _op = op;
+    _value = value;
+    query.substitutionValues[substitution] = _value;
+    return _hasValue = true;
+  }
+
+  @override
+  String? compile() {
+    if (_raw != null) return _raw;
+    if (_value == null) return null;
+    return '$_op @$substitution';
+  }
+
+  void isEmpty() => equals('');
+
+  void equals(String value) {
+    _change('=', value);
+  }
+
+  void notEquals(String value) {
+    _change('!=', value);
+  }
+
+  /// Builds a `LIKE` predicate.
+  ///
+  /// To prevent injections, an optional [sanitizer] is called with a name that
+  /// will be escaped by the underlying [QueryExecutor]. Use this if the [pattern]
+  /// is not constant, and/or involves user input.
+  ///
+  /// Otherwise, you can omit [sanitizer].
+  ///
+  /// Example:
+  /// ```dart
+  /// carNameBuilder.like('%Mazda%');
+  /// carNameBuilder.like((name) => 'Mazda %$name%');
+  /// ```
+  void like(String pattern, {String Function(String)? sanitize}) {
+    sanitize ??= (s) => pattern;
+    _raw = 'LIKE \'' + sanitize('@$substitution') + '\'';
+    query.substitutionValues[substitution] = pattern;
+    _hasValue = true;
+    _value = null;
+  }
+
+  void isBetween(String lower, String upper) {
+    query.substitutionValues[lowerName] = lower;
+    query.substitutionValues[upperName] = upper;
+    _raw = 'BETWEEN @$lowerName AND @$upperName';
+    _hasValue = true;
+  }
+
+  void isNotBetween(String lower, String upper) {
+    query.substitutionValues[lowerName] = lower;
+    query.substitutionValues[upperName] = upper;
+    _raw = 'NOT BETWEEN @$lowerName AND @$upperName';
+    _hasValue = true;
+  }
+
+  void get isNull {
+    _raw = 'IS NULL';
+    _hasValue = true;
+  }
+
+  void get isNotNull {
+    _raw = 'IS NOT NULL';
+    _hasValue = true;
+  }
+
+  String _in(Iterable<String> values) {
+    return 'IN (' +
+        values.map((v) {
+          var name = query.reserveName('${columnName}_in_value');
+          query.substitutionValues[name] = v;
+          return '@$name';
+        }).join(', ') +
+        ')';
+  }
+
+  void isIn(Iterable<String> values) {
+    _raw = _in(values);
+    _hasValue = true;
+  }
+
+  void isNotIn(Iterable<String> values) {
+    _raw = 'NOT ' + _in(values);
+    _hasValue = true;
+  }
+}
+
+class BooleanSqlExpressionBuilder extends SqlExpressionBuilder<bool> {
+  bool _hasValue = false;
+  String? _op = '=', _raw;
+  bool? _value;
+
+  BooleanSqlExpressionBuilder(Query query, String columnName)
+      : super(query, columnName);
+
+  @override
+  bool get hasValue => _hasValue;
+
+  bool _change(String op, bool value) {
+    _raw = null;
+    _op = op;
+    _value = value;
+    return _hasValue = true;
+  }
+
+  @override
+  String? compile() {
+    if (_raw != null) return _raw;
+    if (_value == null) return null;
+    var v = _value! ? 'TRUE' : 'FALSE';
+    if (_cast != null) v = 'CAST ($v AS $_cast)';
+    return '$_op $v';
+  }
+
+  void get isTrue => equals(true);
+
+  void get isFalse => equals(false);
+
+  void get isNull {
+    _raw = 'IS NULL';
+    _hasValue = true;
+  }
+
+  void get isNotNull {
+    _raw = 'IS NOT NULL';
+    _hasValue = true;
+  }
+
+  void equals(bool value) {
+    _change('=', value);
+  }
+
+  void notEquals(bool value) {
+    _change('!=', value);
+  }
+}
+
+class DateTimeSqlExpressionBuilder extends SqlExpressionBuilder<DateTime> {
+  NumericSqlExpressionBuilder<int>? _year,
+      _month,
+      _day,
+      _hour,
+      _minute,
+      _second;
+
+  String? _raw;
+
+  DateTimeSqlExpressionBuilder(Query query, String columnName)
+      : super(query, columnName);
+
+  NumericSqlExpressionBuilder<int> get year =>
+      _year ??= NumericSqlExpressionBuilder(query, 'year');
+  NumericSqlExpressionBuilder<int> get month =>
+      _month ??= NumericSqlExpressionBuilder(query, 'month');
+  NumericSqlExpressionBuilder<int> get day =>
+      _day ??= NumericSqlExpressionBuilder(query, 'day');
+  NumericSqlExpressionBuilder<int> get hour =>
+      _hour ??= NumericSqlExpressionBuilder(query, 'hour');
+  NumericSqlExpressionBuilder<int> get minute =>
+      _minute ??= NumericSqlExpressionBuilder(query, 'minute');
+  NumericSqlExpressionBuilder<int> get second =>
+      _second ??= NumericSqlExpressionBuilder(query, 'second');
+
+  @override
+  bool get hasValue =>
+      _raw?.isNotEmpty == true ||
+      _year?.hasValue == true ||
+      _month?.hasValue == true ||
+      _day?.hasValue == true ||
+      _hour?.hasValue == true ||
+      _minute?.hasValue == true ||
+      _second?.hasValue == true;
+
+  bool _change(String _op, DateTime dt, bool time) {
+    var dateString = time ? dateYmdHms.format(dt) : dateYmd.format(dt);
+    _raw = '$columnName $_op \'$dateString\'';
+    return true;
+  }
+
+  bool operator <(DateTime value) => _change('<', value, true);
+
+  bool operator <=(DateTime value) => _change('<=', value, true);
+
+  bool operator >(DateTime value) => _change('>', value, true);
+
+  bool operator >=(DateTime value) => _change('>=', value, true);
+
+  void equals(DateTime value, {bool includeTime = true}) {
+    _change('=', value, includeTime != false);
+  }
+
+  void lessThan(DateTime value, {bool includeTime = true}) {
+    _change('<', value, includeTime != false);
+  }
+
+  void lessThanOrEqualTo(DateTime value, {bool includeTime = true}) {
+    _change('<=', value, includeTime != false);
+  }
+
+  void greaterThan(DateTime value, {bool includeTime = true}) {
+    _change('>', value, includeTime != false);
+  }
+
+  void greaterThanOrEqualTo(DateTime value, {bool includeTime = true}) {
+    _change('>=', value, includeTime != false);
+  }
+
+  void isIn(Iterable<DateTime> values) {
+    _raw = '$columnName IN (' +
+        values.map(dateYmdHms.format).map((s) => '$s').join(', ') +
+        ')';
+  }
+
+  void isNotIn(Iterable<DateTime> values) {
+    _raw = '$columnName NOT IN (' +
+        values.map(dateYmdHms.format).map((s) => '$s').join(', ') +
+        ')';
+  }
+
+  void isBetween(DateTime lower, DateTime upper) {
+    var l = dateYmdHms.format(lower), u = dateYmdHms.format(upper);
+    _raw = "$columnName BETWEEN '$l' and '$u'";
+  }
+
+  void isNotBetween(DateTime lower, DateTime upper) {
+    var l = dateYmdHms.format(lower), u = dateYmdHms.format(upper);
+    _raw = "$columnName NOT BETWEEN '$l' and '$u'";
+  }
+
+  void get isNull {
+    _raw = '$columnName IS NULL';
+  }
+
+  void get isNotNull {
+    _raw = '$columnName IS NOT NULL';
+  }
+
+  @override
+  String? compile() {
+    if (_raw?.isNotEmpty == true) return _raw;
+    var parts = <String>[];
+    if (year.hasValue == true) {
+      parts.add('YEAR($columnName) ${year.compile()}');
+    }
+    if (month.hasValue == true) {
+      parts.add('MONTH($columnName) ${month.compile()}');
+    }
+    if (day.hasValue == true) {
+      parts.add('DAY($columnName) ${day.compile()}');
+    }
+    if (hour.hasValue == true) {
+      parts.add('HOUR($columnName) ${hour.compile()}');
+    }
+    if (minute.hasValue == true) {
+      parts.add('MINUTE($columnName) ${minute.compile()}');
+    }
+    if (second.hasValue == true) {
+      parts.add('SECOND($columnName) ${second.compile()}');
+    }
+
+    return parts.isEmpty ? null : parts.join(' AND ');
+  }
+}
+
+abstract class JsonSqlExpressionBuilder<T, K> extends SqlExpressionBuilder<T> {
+  final List<JsonSqlExpressionBuilderProperty> _properties = [];
+  bool _hasValue = false;
+  T? _value;
+  String? _op;
+  String? _raw;
+
+  JsonSqlExpressionBuilder(Query query, String columnName)
+      : super(query, columnName);
+
+  JsonSqlExpressionBuilderProperty operator [](K name) {
+    var p = _property(name);
+    _properties.add(p);
+    return p;
+  }
+
+  JsonSqlExpressionBuilderProperty _property(K name);
+
+  bool get hasRaw => _raw != null || _properties.any((p) => p.hasValue);
+
+  @override
+  bool get hasValue => _hasValue || _properties.any((p) => p.hasValue);
+
+  T? _encodeValue(T? v) => v;
+
+  bool _change(String op, T value) {
+    _raw = null;
+    _op = op;
+    _value = value;
+    query.substitutionValues[substitution] = _encodeValue(_value);
+    return _hasValue = true;
+  }
+
+  void get isNull {
+    _raw = 'IS NULL';
+    _hasValue = true;
+  }
+
+  void get isNotNull {
+    _raw = 'IS NOT NULL';
+    _hasValue = true;
+  }
+
+  @override
+  String compile() {
+    var s = _compile();
+    if (!_properties.any((p) => p.hasValue)) return s;
+    //s ??= '';
+
+    for (var p in _properties) {
+      if (p.hasValue) {
+        var c = p.compile();
+
+        if (c != null) {
+          _hasValue = true;
+          //s ??= '';
+
+          if (p.typed is! DateTimeSqlExpressionBuilder) {
+            s += '${p.typed!.columnName} ';
+          }
+
+          s += c;
+        }
+      }
+    }
+
+    return s;
+  }
+
+  String _compile() {
+    if (_raw != null) {
+      return _raw!;
+    }
+    if (_value == null) {
+      return '';
+    }
+    return '::jsonb $_op @$substitution::jsonb';
+  }
+
+  void contains(T value) {
+    _change('@>', value);
+  }
+
+  void equals(T value) {
+    _change('=', value);
+  }
+}
+
+class MapSqlExpressionBuilder extends JsonSqlExpressionBuilder<Map, String> {
+  MapSqlExpressionBuilder(Query query, String columnName)
+      : super(query, columnName);
+
+  @override
+  JsonSqlExpressionBuilderProperty _property(String name) {
+    return JsonSqlExpressionBuilderProperty(this, name, false);
+  }
+
+  void containsKey(String key) {
+    this[key].isNotNull;
+  }
+
+  void containsPair(key, value) {
+    contains({key: value});
+  }
+}
+
+class ListSqlExpressionBuilder extends JsonSqlExpressionBuilder<List, int> {
+  ListSqlExpressionBuilder(Query query, String columnName)
+      : super(query, columnName);
+
+  @override
+  List<dynamic>? _encodeValue(List<dynamic>? v) => v; //[json.encode(v)];
+
+  @override
+  JsonSqlExpressionBuilderProperty _property(int name) {
+    return JsonSqlExpressionBuilderProperty(this, name.toString(), true);
+  }
+}
+
+class JsonSqlExpressionBuilderProperty {
+  final JsonSqlExpressionBuilder builder;
+  final String name;
+  final bool isInt;
+  SqlExpressionBuilder? _typed;
+
+  JsonSqlExpressionBuilderProperty(this.builder, this.name, this.isInt);
+
+  SqlExpressionBuilder? get typed => _typed;
+
+  bool get hasValue => _typed?.hasValue == true;
+
+  String? compile() => _typed?.compile();
+
+  T? _set<T extends SqlExpressionBuilder?>(T Function() value) {
+    if (_typed is T) {
+      return _typed as T?;
+    } else if (_typed != null) {
+      throw StateError(
+          '$nameString is already typed as $_typed, and cannot be changed.');
+    } else {
+      _typed = value()
+        ?.._cast = 'text'
+        .._isProperty = true;
+      return _typed as T?;
+    }
+  }
+
+  String get nameString {
+    var n = isInt ? name : "'$name'";
+    return '${builder.columnName}::jsonb->>$n';
+  }
+
+  void get isNotNull {
+    builder
+      .._hasValue = true
+      .._raw ??= '';
+
+    var r = builder._raw;
+    if (r != null) {
+      builder._raw = r + '$nameString IS NOT NULL';
+    } else {
+      builder._raw = '$nameString IS NOT NULL';
+    }
+  }
+
+  void get isNull {
+    builder
+      .._hasValue = true
+      .._raw ??= '';
+
+    var r = builder._raw;
+    if (r != null) {
+      builder._raw = r + '$nameString IS NULL';
+    } else {
+      builder._raw = '$nameString IS NULL';
+    }
+  }
+
+  StringSqlExpressionBuilder? get asString {
+    return _set(() => StringSqlExpressionBuilder(builder.query, nameString));
+  }
+
+  BooleanSqlExpressionBuilder? get asBool {
+    return _set(() => BooleanSqlExpressionBuilder(builder.query, nameString));
+  }
+
+  DateTimeSqlExpressionBuilder? get asDateTime {
+    return _set(() => DateTimeSqlExpressionBuilder(builder.query, nameString));
+  }
+
+  NumericSqlExpressionBuilder<double>? get asDouble {
+    return _set(
+        () => NumericSqlExpressionBuilder<double>(builder.query, nameString));
+  }
+
+  NumericSqlExpressionBuilder<int>? get asInt {
+    return _set(
+        () => NumericSqlExpressionBuilder<int>(builder.query, nameString));
+  }
+
+  MapSqlExpressionBuilder? get asMap {
+    return _set(() => MapSqlExpressionBuilder(builder.query, nameString));
+  }
+
+  ListSqlExpressionBuilder? get asList {
+    return _set(() => ListSqlExpressionBuilder(builder.query, nameString));
+  }
+}

api/3rd_party/angel3_orm/lib/src/join_builder.dart

@@ -0,0 +1,74 @@
+import 'annotations.dart';
+import 'query.dart';
+
+/// Builds a SQL `JOIN` query.
+class JoinBuilder {
+  final JoinType type;
+  final Query from;
+  final String? key, value, op, alias;
+  final bool aliasAllFields;
+
+  /// A callback to produces the expression to join against, i.e.
+  /// a table name, or the result of compiling a query.
+  final String Function() to;
+  final List<String> additionalFields;
+
+  JoinBuilder(this.type, this.from, this.to, this.key, this.value,
+      {this.op = '=',
+      this.alias,
+      this.additionalFields = const [],
+      this.aliasAllFields = false}) {
+    //assert(to != null,
+    //    'computation of this join threw an error, and returned null.');
+  }
+
+  String get fieldName {
+    var v = value;
+    if (aliasAllFields) {
+      v = '${alias}_$v';
+    }
+    var right = '${from.tableName}.$v';
+    if (alias != null) right = '$alias.$v';
+    return right;
+  }
+
+  String nameFor(String name) {
+    if (aliasAllFields) name = '${alias}_$name';
+    var right = '${from.tableName}.$name';
+    if (alias != null) right = '$alias.$name';
+    return right;
+  }
+
+  String compile(Set<String>? trampoline) {
+    var compiledTo = to();
+    //if (compiledTo == null) return null;
+    if (compiledTo == '') {
+      return '';
+    }
+    var b = StringBuffer();
+    var left = '${from.tableName}.$key';
+    var right = fieldName;
+    switch (type) {
+      case JoinType.inner:
+        b.write(' INNER JOIN');
+        break;
+      case JoinType.left:
+        b.write(' LEFT JOIN');
+        break;
+      case JoinType.right:
+        b.write(' RIGHT JOIN');
+        break;
+      case JoinType.full:
+        b.write(' FULL OUTER JOIN');
+        break;
+      case JoinType.self:
+        b.write(' SELF JOIN');
+        break;
+    }
+
+    b.write(' $compiledTo');
+    if (alias != null) b.write(' $alias');
+    b.write(' ON $left$op$right');
+    return b.toString();
+  }
+}

api/3rd_party/angel3_orm/lib/src/join_on.dart

@@ -0,0 +1,8 @@
+import 'builder.dart';
+
+class JoinOn {
+  final SqlExpressionBuilder key;
+  final SqlExpressionBuilder value;
+
+  JoinOn(this.key, this.value);
+}

api/3rd_party/angel3_orm/lib/src/map_query_values.dart

@@ -0,0 +1,9 @@
+import 'query_values.dart';
+
+/// A [QueryValues] implementation that simply writes to a [Map].
+class MapQueryValues extends QueryValues {
+  final Map<String, dynamic> values = {};
+
+  @override
+  Map<String, dynamic> toMap() => values;
+}

api/3rd_party/angel3_orm/lib/src/migration.dart

@@ -0,0 +1,135 @@
+const List<String> SQL_RESERVED_WORDS = [
+  'SELECT',
+  'UPDATE',
+  'INSERT',
+  'DELETE',
+  'FROM',
+  'ASC',
+  'DESC',
+  'VALUES',
+  'RETURNING',
+  'ORDER',
+  'BY',
+];
+
+/// Applies additional attributes to a database column.
+class Column {
+  /// If `true`, a SQL field will be nullable.
+  final bool isNullable;
+
+  /// Specifies this column name.
+  final String name;
+
+  /// Specifies the length of a `VARCHAR`.
+  final int length;
+
+  /// Explicitly defines a SQL type for this column.
+  final ColumnType type;
+
+  /// Specifies what kind of index this column is, if any.
+  final IndexType indexType;
+
+  /// A custom SQL expression to execute, instead of a named column.
+  final String? expression;
+
+  const Column(
+      {this.isNullable = true,
+      this.length = 255,
+      this.name = "",
+      this.type = ColumnType.varChar,
+      this.indexType = IndexType.none,
+      this.expression});
+
+  /// Returns `true` if [expression] is not `null`.
+  bool get hasExpression => expression != null;
+}
+
+class PrimaryKey extends Column {
+  const PrimaryKey({ColumnType columnType = ColumnType.serial})
+      : super(type: columnType, indexType: IndexType.primaryKey);
+}
+
+const Column primaryKey = PrimaryKey();
+
+/// Maps to SQL index types.
+enum IndexType {
+  none,
+
+  /// Standard index.
+  standardIndex,
+
+  /// A primary key.
+  primaryKey,
+
+  /// A *unique* index.
+  unique
+}
+
+/// Maps to SQL data types.
+///
+/// Features all types from this list: http://www.tutorialspoint.com/sql/sql-data-types.htm
+class ColumnType {
+  /// The name of this data type.
+  final String name;
+  final bool hasSize;
+
+  const ColumnType(this.name, [this.hasSize = false]);
+
+  static const ColumnType boolean = ColumnType('boolean');
+
+  static const ColumnType smallSerial = ColumnType('smallserial');
+  static const ColumnType serial = ColumnType('serial');
+  static const ColumnType bigSerial = ColumnType('bigserial');
+
+  // Numbers
+  static const ColumnType bigInt = ColumnType('bigint');
+  static const ColumnType int = ColumnType('int');
+  static const ColumnType smallInt = ColumnType('smallint');
+  static const ColumnType tinyInt = ColumnType('tinyint');
+  static const ColumnType bit = ColumnType('bit');
+  static const ColumnType decimal = ColumnType('decimal', true);
+  static const ColumnType numeric = ColumnType('numeric', true);
+  static const ColumnType money = ColumnType('money');
+  static const ColumnType smallMoney = ColumnType('smallmoney');
+  static const ColumnType float = ColumnType('float');
+  static const ColumnType real = ColumnType('real');
+
+  // Dates and times
+  static const ColumnType dateTime = ColumnType('datetime');
+  static const ColumnType smallDateTime = ColumnType('smalldatetime');
+  static const ColumnType date = ColumnType('date');
+  static const ColumnType time = ColumnType('time');
+  static const ColumnType timeStamp = ColumnType('timestamp');
+  static const ColumnType timeStampWithTimeZone =
+      ColumnType('timestamp with time zone');
+
+  // Strings
+  static const ColumnType char = ColumnType('char', true);
+  static const ColumnType varChar = ColumnType('varchar', true);
+  static const ColumnType varCharMax = ColumnType('varchar(max)');
+  static const ColumnType text = ColumnType('text', true);
+
+  // Unicode strings
+  static const ColumnType nChar = ColumnType('nchar', true);
+  static const ColumnType nVarChar = ColumnType('nvarchar', true);
+  static const ColumnType nVarCharMax = ColumnType('nvarchar(max)', true);
+  static const ColumnType nText = ColumnType('ntext', true);
+
+  // Binary
+  static const ColumnType binary = ColumnType('binary', true);
+  static const ColumnType varBinary = ColumnType('varbinary', true);
+  static const ColumnType varBinaryMax = ColumnType('varbinary(max)', true);
+  static const ColumnType image = ColumnType('image', true);
+
+  // JSON.
+  static const ColumnType json = ColumnType('json', true);
+  static const ColumnType jsonb = ColumnType('jsonb', true);
+
+  // Misc.
+  static const ColumnType sqlVariant = ColumnType('sql_variant', true);
+  static const ColumnType uniqueIdentifier =
+      ColumnType('uniqueidentifier', true);
+  static const ColumnType xml = ColumnType('xml', true);
+  static const ColumnType cursor = ColumnType('cursor', true);
+  static const ColumnType table = ColumnType('table', true);
+}

api/3rd_party/angel3_orm/lib/src/order_by.dart

@@ -0,0 +1,8 @@
+class OrderBy {
+  final String key;
+  final bool descending;
+
+  const OrderBy(this.key, {this.descending = false});
+
+  String compile() => descending ? '$key DESC' : '$key ASC';
+}

api/3rd_party/angel3_orm/lib/src/query.dart

@@ -0,0 +1,425 @@
+import 'dart:async';
+import 'package:logging/logging.dart';
+
+import 'annotations.dart';
+import 'join_builder.dart';
+import 'order_by.dart';
+import 'query_base.dart';
+import 'query_executor.dart';
+import 'query_values.dart';
+import 'query_where.dart';
+import 'package:optional/optional.dart';
+
+/// A SQL `SELECT` query builder.
+abstract class Query<T, Where extends QueryWhere> extends QueryBase<T> {
+  final _log = Logger('Query');
+
+  final List<JoinBuilder> _joins = [];
+  final Map<String, int> _names = {};
+  final List<OrderBy> _orderBy = [];
+
+  // An optional "parent query". If provided, [reserveName] will operate in
+  // the parent's context.
+  final Query? parent;
+
+  /// A map of field names to explicit SQL expressions. The expressions will be aliased
+  /// to the given names.
+  final Map<String, String> expressions = {};
+
+  String? _crossJoin, _groupBy;
+  int? _limit, _offset;
+
+  Query({this.parent});
+
+  @override
+  Map<String, dynamic> get substitutionValues =>
+      parent?.substitutionValues ?? super.substitutionValues;
+
+  /// A reference to an abstract query builder.
+  ///
+  /// This is usually a generated class.
+  Where? get where;
+
+  /// A set of values, for an insertion or update.
+  ///
+  /// This is usually a generated class.
+  QueryValues? get values;
+
+  /// Preprends the [tableName] to the [String], [s].
+  String adornWithTableName(String s) {
+    if (expressions.containsKey(s)) {
+      //return '${expressions[s]} AS $s';
+      return '(${expressions[s]} AS $s)';
+    } else {
+      return '$tableName.$s';
+    }
+  }
+
+  /// Returns a unique version of [name], which will not produce a collision within
+  /// the context of this [query].
+  String reserveName(String name) {
+    if (parent != null) {
+      return parent!.reserveName(name);
+    }
+    // var n = _names[name] ??= 0;
+    // _names[name]++;
+    var n = 0;
+    var nn = _names[name];
+    if (nn != null) {
+      n = nn;
+      nn++;
+      _names[name] = nn;
+    } else {
+      _names[name] = 1;
+    }
+    return n == 0 ? name : '$name$n';
+  }
+
+  /// Makes a [Where] clause.
+  Where newWhereClause() {
+    throw UnsupportedError(
+        'This instance does not support creating WHERE clauses.');
+  }
+
+  /// Determines whether this query can be compiled.
+  ///
+  /// Used to prevent ambiguities in joins.
+  bool canCompile(Set<String> trampoline) => true;
+
+  /// Shorthand for calling [where].or with a [Where] clause.
+  void andWhere(void Function(Where) f) {
+    var w = newWhereClause();
+    f(w);
+    where?.and(w);
+  }
+
+  /// Shorthand for calling [where].or with a [Where] clause.
+  void notWhere(void Function(Where) f) {
+    var w = newWhereClause();
+    f(w);
+    where?.not(w);
+  }
+
+  /// Shorthand for calling [where].or with a [Where] clause.
+  void orWhere(void Function(Where) f) {
+    var w = newWhereClause();
+    f(w);
+    where?.or(w);
+  }
+
+  /// Limit the number of rows to return.
+  void limit(int n) {
+    _limit = n;
+  }
+
+  /// Skip a number of rows in the query.
+  void offset(int n) {
+    _offset = n;
+  }
+
+  /// Groups the results by a given key.
+  void groupBy(String key) {
+    _groupBy = key;
+  }
+
+  /// Sorts the results by a key.
+  void orderBy(String key, {bool descending = false}) {
+    _orderBy.add(OrderBy(key, descending: descending));
+  }
+
+  /// Execute a `CROSS JOIN` (Cartesian product) against another table.
+  void crossJoin(String tableName) {
+    _crossJoin = tableName;
+  }
+
+  String _joinAlias(Set<String> trampoline) {
+    var i = _joins.length;
+
+    while (true) {
+      var a = 'a$i';
+      if (trampoline.add(a)) {
+        return a;
+      } else {
+        i++;
+      }
+    }
+  }
+
+  String Function() _compileJoin(tableName, Set<String> trampoline) {
+    if (tableName is String) {
+      return () => tableName;
+    } else if (tableName is Query) {
+      return () {
+        var c = tableName.compile(trampoline);
+        //if (c == null) return c;
+        if (c == '') {
+          return c;
+        }
+        return '($c)';
+      };
+    } else {
+      _log.severe('$tableName must be a String or Query');
+      throw ArgumentError.value(
+          tableName, 'tableName', 'must be a String or Query');
+    }
+  }
+
+  void _makeJoin(
+      tableName,
+      Set<String>? trampoline,
+      String? alias,
+      JoinType type,
+      String localKey,
+      String foreignKey,
+      String op,
+      List<String> additionalFields) {
+    trampoline ??= <String>{};
+
+    // Pivot tables guard against ambiguous fields by excluding tables
+    // that have already been queried in this scope.
+    if (trampoline.contains(tableName) && trampoline.contains(this.tableName)) {
+      // ex. if we have {roles, role_users}, then don't join "roles" again.
+      return;
+    }
+
+    var to = _compileJoin(tableName, trampoline);
+    alias ??= _joinAlias(trampoline);
+    if (tableName is Query) {
+      for (var field in tableName.fields) {
+        tableName.aliases[field] = '${alias}_$field';
+      }
+    }
+    _joins.add(JoinBuilder(type, this, to, localKey, foreignKey,
+        op: op,
+        alias: alias,
+        additionalFields: additionalFields,
+        aliasAllFields: tableName is Query));
+  }
+
+  /// Execute an `INNER JOIN` against another table.
+  void join(tableName, String localKey, String foreignKey,
+      {String op = '=',
+        List<String> additionalFields = const [],
+        Set<String>? trampoline,
+        String? alias}) {
+    _makeJoin(tableName, trampoline, alias, JoinType.inner, localKey, foreignKey, op,
+        additionalFields);
+  }
+
+  /// Execute a `LEFT JOIN` against another table.
+  void leftJoin(tableName, String localKey, String foreignKey,
+      {String op = '=',
+        List<String> additionalFields = const [],
+        Set<String>? trampoline,
+        String? alias}) {
+    _makeJoin(tableName, trampoline, alias, JoinType.left, localKey, foreignKey, op,
+        additionalFields);
+  }
+
+  /// Execute a `RIGHT JOIN` against another table.
+  void rightJoin(tableName, String localKey, String foreignKey,
+      {String op = '=',
+        List<String> additionalFields = const [],
+        Set<String>? trampoline,
+        String? alias}) {
+    _makeJoin(tableName, trampoline, alias, JoinType.right, localKey, foreignKey, op,
+        additionalFields);
+  }
+
+  /// Execute a `FULL OUTER JOIN` against another table.
+  void fullOuterJoin(tableName, String localKey, String foreignKey,
+      {String op = '=',
+        List<String> additionalFields = const [],
+        Set<String>? trampoline,
+        String? alias}) {
+    _makeJoin(tableName, trampoline, alias, JoinType.full, localKey, foreignKey, op,
+        additionalFields);
+  }
+
+  /// Execute a `SELF JOIN`.
+  void selfJoin(tableName, String localKey, String foreignKey,
+      {String op = '=',
+        List<String> additionalFields = const [],
+        Set<String>? trampoline,
+        String? alias}) {
+    _makeJoin(tableName, trampoline, alias, JoinType.self, localKey, foreignKey, op,
+        additionalFields);
+  }
+
+  @override
+  String compile(Set<String> trampoline,
+      {bool includeTableName = false,
+        String? preamble,
+        bool withFields = true,
+        String? fromQuery}) {
+    // One table MAY appear multiple times in a query.
+    if (!canCompile(trampoline)) {
+      //return null;
+      //throw Exception('One table appear multiple times in a query');
+      return '';
+    }
+
+    includeTableName = includeTableName || _joins.isNotEmpty;
+    var b = StringBuffer(preamble ?? 'SELECT');
+    b.write(' ');
+    List<String> f;
+
+    var compiledJoins = <JoinBuilder, String?>{};
+
+    //if (fields == null) {
+    if (fields.isEmpty) {
+      f = ['*'];
+    } else {
+      f = List<String>.from(fields.map((s) {
+        String? ss = includeTableName ? '$tableName.$s' : s;
+        if (expressions.containsKey(s)) {
+          ss = '( ${expressions[s]} )';
+          //ss = expressions[s];
+        }
+        var cast = casts[s];
+        if (cast != null) ss = 'CAST ($ss AS $cast)';
+        if (aliases.containsKey(s)) {
+          if (cast != null) {
+            ss = '($ss) AS ${aliases[s]}';
+          } else {
+            ss = '$ss AS ${aliases[s]}';
+          }
+          if (expressions.containsKey(s)) {
+            // ss = '($ss)';
+          }
+        } else if (expressions.containsKey(s)) {
+          if (cast != null) {
+            ss = '($ss) AS $s';
+            // ss = '(($ss) AS $s)';
+          } else {
+            ss = '$ss AS $s';
+            // ss = '($ss AS $s)';
+          }
+        }
+        return ss;
+      }));
+      _joins.forEach((j) {
+        var c = compiledJoins[j] = j.compile(trampoline);
+        //if (c != null) {
+        if (c != '') {
+          var additional = j.additionalFields.map(j.nameFor).toList();
+          f.addAll(additional);
+        } else {
+          // If compilation failed, fill in NULL placeholders.
+          for (var i = 0; i < j.additionalFields.length; i++) {
+            f.add('NULL');
+          }
+        }
+      });
+    }
+    if (withFields) b.write(f.join(', '));
+    fromQuery ??= tableName;
+    b.write(' FROM $fromQuery');
+
+    // No joins if it's not a select.
+    if (preamble == null) {
+      if (_crossJoin != null) b.write(' CROSS JOIN $_crossJoin');
+      for (var join in _joins) {
+        var c = compiledJoins[join];
+        if (c != null) b.write(' $c');
+      }
+    }
+
+    var whereClause =
+    where?.compile(tableName: includeTableName ? tableName : null);
+    if (whereClause?.isNotEmpty == true) {
+      b.write(' WHERE $whereClause');
+    }
+    if (_groupBy != null) b.write(' GROUP BY $_groupBy');
+    for (var item in _orderBy) {
+      b.write(' ORDER BY ${item.compile()}');
+    }
+    if (_limit != null) b.write(' LIMIT $_limit');
+    if (_offset != null) b.write(' OFFSET $_offset');
+    return b.toString();
+  }
+
+  @override
+  Future<Optional<T>> getOne(QueryExecutor executor) {
+    //limit(1);
+    return super.getOne(executor);
+  }
+
+  Future<List<T>> delete(QueryExecutor executor) {
+    var sql = compile({}, preamble: 'DELETE', withFields: false);
+
+    //_log.fine("Delete Query = $sql");
+
+    if (_joins.isEmpty) {
+      return executor
+          .query(tableName, sql, substitutionValues,
+          fields.map(adornWithTableName).toList())
+          .then((it) => deserializeList(it));
+    } else {
+      return executor.transaction((tx) async {
+        // TODO: Can this be done with just *one* query?
+        var existing = await get(tx);
+        //var sql = compile(preamble: 'SELECT $tableName.id', withFields: false);
+        return tx
+            .query(tableName, sql, substitutionValues)
+            .then((_) => existing);
+      });
+    }
+  }
+
+  Future<Optional<T>> deleteOne(QueryExecutor executor) {
+    return delete(executor).then((it) =>
+    it.isEmpty == true ? Optional.empty() : Optional.ofNullable(it.first));
+  }
+
+  Future<Optional<T>> insert(QueryExecutor executor) {
+    var insertion = values?.compileInsert(this, tableName);
+
+    if (insertion == '') {
+      throw StateError('No values have been specified for update.');
+    } else {
+      // TODO: How to do this in a non-Postgres DB?
+      var returning = fields.map(adornWithTableName).join(', ');
+      var sql = compile({});
+      sql = 'WITH $tableName as ($insertion RETURNING $returning) ' + sql;
+
+      //_log.fine("Insert Query = $sql");
+
+      return executor.query(tableName, sql, substitutionValues).then((it) {
+        // Return SQL execution results
+        return it.isEmpty ? Optional.empty() : deserialize(it.first);
+      });
+    }
+  }
+
+  Future<List<T>> update(QueryExecutor executor) async {
+    var updateSql = StringBuffer('UPDATE $tableName ');
+    var valuesClause = values?.compileForUpdate(this);
+
+    if (valuesClause == '') {
+      throw StateError('No values have been specified for update.');
+    } else {
+      updateSql.write(' $valuesClause');
+      var whereClause = where?.compile();
+      if (whereClause?.isNotEmpty == true) {
+        updateSql.write(' WHERE $whereClause');
+      }
+      if (_limit != null) updateSql.write(' LIMIT $_limit');
+
+      var returning = fields.map(adornWithTableName).join(', ');
+      var sql = compile({});
+      sql = 'WITH $tableName as ($updateSql RETURNING $returning) ' + sql;
+
+      //_log.fine("Update Query = $sql");
+
+      return executor
+          .query(tableName, sql, substitutionValues)
+          .then((it) => deserializeList(it));
+    }
+  }
+
+  Future<Optional<T>> updateOne(QueryExecutor executor) {
+    return update(executor).then(
+            (it) => it.isEmpty ? Optional.empty() : Optional.ofNullable(it.first));
+  }
+}

api/3rd_party/angel3_orm/lib/src/query_base.dart

@@ -0,0 +1,81 @@
+import 'dart:async';
+
+import 'query_executor.dart';
+import 'union.dart';
+import 'package:optional/optional.dart';
+
+/// A base class for objects that compile to SQL queries, typically within an ORM.
+abstract class QueryBase<T> {
+  /// Casts to perform when querying the database.
+  Map<String, String> get casts => {};
+
+  /// `AS` aliases to inject into the query, if any.
+  Map<String, String> aliases = {};
+
+  /// Values to insert into a prepared statement.
+  final Map<String, dynamic> substitutionValues = {};
+
+  /// The table against which to execute this query.
+  String get tableName;
+
+  /// The list of fields returned by this query.
+  ///
+  /// @deprecated If it's `null`, then this query will perform a `SELECT *`.
+  /// If it's empty, then this query will perform a `SELECT *`.
+  List<String> get fields;
+
+  /// A String of all [fields], joined by a comma (`,`).
+  String get fieldSet => fields.map((k) {
+        var cast = casts[k];
+        if (!aliases.containsKey(k)) {
+          return cast == null ? k : 'CAST ($k AS $cast)';
+        } else {
+          var inner = cast == null ? k : '(CAST ($k AS $cast))';
+          return '$inner AS ${aliases[k]}';
+        }
+      }).join(', ');
+
+  String compile(Set<String> trampoline,
+      {bool includeTableName = false,
+      String preamble = '',
+      bool withFields = true});
+
+  Optional<T> deserialize(List row);
+
+  List<T> deserializeList(List<List<dynamic>> it) {
+    var optResult = it.map(deserialize).toList();
+    var result = <T>[];
+    optResult.forEach((element) {
+      element.ifPresent((item) {
+        result.add(item);
+      });
+    });
+
+    return result;
+  }
+
+  Future<List<T>> get(QueryExecutor executor) async {
+    var sql = compile({});
+
+    //_log.fine('sql = $sql');
+    //_log.fine('substitutionValues = $substitutionValues');
+
+    return executor.query(tableName, sql, substitutionValues).then((it) {
+      return deserializeList(it);
+    });
+  }
+
+  Future<Optional<T>> getOne(QueryExecutor executor) {
+    //return get(executor).then((it) => it.isEmpty ?  : it.first);
+    return get(executor).then(
+        (it) => it.isEmpty ? Optional.empty() : Optional.ofNullable(it.first));
+  }
+
+  Union<T> union(QueryBase<T> other) {
+    return Union(this, other);
+  }
+
+  Union<T> unionAll(QueryBase<T> other) {
+    return Union(this, other, all: true);
+  }
+}

api/3rd_party/angel3_orm/lib/src/query_executor.dart

@@ -0,0 +1,23 @@
+import 'dart:async';
+
+/// An abstract interface that performs queries.
+///
+/// This class should be implemented.
+abstract class QueryExecutor {
+  const QueryExecutor();
+
+  /// Executes a single query.
+  Future<List<List>> query(
+      String tableName, String query, Map<String, dynamic> substitutionValues,
+      [List<String> returningFields = const []]);
+
+  /// Enters a database transaction, performing the actions within,
+  /// and returning the results of [f].
+  ///
+  /// If [f] fails, the transaction will be rolled back, and the
+  /// responsible exception will be re-thrown.
+  ///
+  /// Whether nested transactions are supported depends on the
+  /// underlying driver.
+  Future<T> transaction<T>(FutureOr<T> Function(QueryExecutor) f);
+}

api/3rd_party/angel3_orm/lib/src/query_values.dart

@@ -0,0 +1,89 @@
+import 'query.dart';
+
+abstract class QueryValues {
+  Map<String, String> get casts => {};
+
+  Map<String, dynamic> toMap();
+
+  String applyCast(String name, String sub) {
+    if (casts.containsKey(name)) {
+      var type = casts[name];
+      return 'CAST ($sub as $type)';
+    } else {
+      return sub;
+    }
+  }
+
+  String compileInsert(Query query, String tableName) {
+    var data = Map<String, dynamic>.from(toMap());
+    var now = DateTime.now();
+    if (data.containsKey('created_at') && data['created_at'] == null) {
+      data['created_at'] = now;
+    }
+    if (data.containsKey('createdAt') && data['createdAt'] == null) {
+      data['createdAt'] = now;
+    }
+    if (data.containsKey('updated_at') && data['updated_at'] == null) {
+      data['updated_at'] = now;
+    }
+    if (data.containsKey('updatedAt') && data['updatedAt'] == null) {
+      data['updatedAt'] = now;
+    }
+    var keys = data.keys.toList();
+    keys.where((k) => !query.fields.contains(k)).forEach(data.remove);
+    if (data.isEmpty) {
+      return '';
+    }
+    var fieldSet = data.keys.join(', ');
+    var b = StringBuffer('INSERT INTO $tableName ($fieldSet) VALUES (');
+    var i = 0;
+
+    for (var entry in data.entries) {
+      if (i++ > 0) b.write(', ');
+
+      var name = query.reserveName(entry.key);
+
+      var s = applyCast(entry.key, '@$name');
+      query.substitutionValues[name] = entry.value;
+      b.write(s);
+    }
+
+    b.write(')');
+    return b.toString();
+  }
+
+  String compileForUpdate(Query query) {
+    var data = toMap();
+    if (data.isEmpty) {
+      return '';
+    }
+    var now = DateTime.now();
+    if (data.containsKey('created_at') && data['created_at'] == null) {
+      data.remove('created_at');
+    }
+    if (data.containsKey('createdAt') && data['createdAt'] == null) {
+      data.remove('createdAt');
+    }
+    if (data.containsKey('updated_at') && data['updated_at'] == null) {
+      data['updated_at'] = now;
+    }
+    if (data.containsKey('updatedAt') && data['updatedAt'] == null) {
+      data['updatedAt'] = now;
+    }
+    var b = StringBuffer('SET');
+    var i = 0;
+
+    for (var entry in data.entries) {
+      if (i++ > 0) b.write(',');
+      b.write(' ');
+      b.write(entry.key);
+      b.write('=');
+
+      var name = query.reserveName(entry.key);
+      var s = applyCast(entry.key, '@$name');
+      query.substitutionValues[name] = entry.value;
+      b.write(s);
+    }
+    return b.toString();
+  }
+}

api/3rd_party/angel3_orm/lib/src/query_where.dart

@@ -0,0 +1,69 @@
+import 'builder.dart';
+
+/// Builds a SQL `WHERE` clause.
+abstract class QueryWhere {
+  final Set<QueryWhere> _and = {};
+  final Set<QueryWhere> _not = {};
+  final Set<QueryWhere> _or = {};
+  final Set<String> _raw = {};
+
+  Iterable<SqlExpressionBuilder> get expressionBuilders;
+
+  void and(QueryWhere other) {
+    _and.add(other);
+  }
+
+  void not(QueryWhere other) {
+    _not.add(other);
+  }
+
+  void or(QueryWhere other) {
+    _or.add(other);
+  }
+
+  void raw(String whereRaw) {
+    _raw.add(whereRaw);
+  }
+
+  String compile({String? tableName}) {
+    var b = StringBuffer();
+    var i = 0;
+
+    for (var builder in expressionBuilders) {
+      var key = builder.columnName;
+      if (tableName != null) key = '$tableName.$key';
+      if (builder.hasValue) {
+        if (i++ > 0) b.write(' AND ');
+        if (builder is DateTimeSqlExpressionBuilder ||
+            (builder is JsonSqlExpressionBuilder && builder.hasRaw)) {
+          if (tableName != null) b.write('$tableName.');
+          b.write(builder.compile());
+        } else {
+          b.write('$key ${builder.compile()}');
+        }
+      }
+    }
+
+    for (var raw in _raw) {
+      if (i++ > 0) b.write(' AND ');
+      b.write(' ($raw)');
+    }
+
+    for (var other in _and) {
+      var sql = other.compile();
+      if (sql.isNotEmpty) b.write(' AND ($sql)');
+    }
+
+    for (var other in _not) {
+      var sql = other.compile();
+      if (sql.isNotEmpty) b.write(' NOT ($sql)');
+    }
+
+    for (var other in _or) {
+      var sql = other.compile();
+      if (sql.isNotEmpty) b.write(' OR ($sql)');
+    }
+
+    return b.toString();
+  }
+}

api/3rd_party/angel3_orm/lib/src/relations.dart

@@ -0,0 +1,91 @@
+import 'annotations.dart';
+
+abstract class RelationshipType {
+  static const int hasMany = 0;
+  static const int hasOne = 1;
+  static const int belongsTo = 2;
+  static const int manyToMany = 3;
+}
+
+class Relationship {
+  final int type;
+  final String? localKey;
+  final String? foreignKey;
+  final String? foreignTable;
+  final bool cascadeOnDelete;
+  final JoinType? joinType;
+
+  const Relationship(this.type,
+      {this.localKey,
+      this.foreignKey,
+      this.foreignTable,
+      this.cascadeOnDelete = false,
+      this.joinType});
+}
+
+class HasMany extends Relationship {
+  const HasMany(
+      {String? localKey,
+      String? foreignKey,
+      String? foreignTable,
+      bool cascadeOnDelete = false,
+      JoinType? joinType})
+      : super(RelationshipType.hasMany,
+            localKey: localKey,
+            foreignKey: foreignKey,
+            foreignTable: foreignTable,
+            cascadeOnDelete: cascadeOnDelete == true,
+            joinType: joinType);
+}
+
+const HasMany hasMany = HasMany();
+
+class HasOne extends Relationship {
+  const HasOne(
+      {String? localKey,
+      String? foreignKey,
+      String? foreignTable,
+      bool cascadeOnDelete = false,
+      JoinType? joinType})
+      : super(RelationshipType.hasOne,
+            localKey: localKey,
+            foreignKey: foreignKey,
+            foreignTable: foreignTable,
+            cascadeOnDelete: cascadeOnDelete == true,
+            joinType: joinType);
+}
+
+const HasOne hasOne = HasOne();
+
+class BelongsTo extends Relationship {
+  const BelongsTo(
+      {String? localKey,
+      String? foreignKey,
+      String? foreignTable,
+      JoinType? joinType})
+      : super(RelationshipType.belongsTo,
+            localKey: localKey,
+            foreignKey: foreignKey,
+            foreignTable: foreignTable,
+            joinType: joinType);
+}
+
+const BelongsTo belongsTo = BelongsTo();
+
+class ManyToMany extends Relationship {
+  final Type through;
+
+  const ManyToMany(this.through,
+      {String? localKey,
+      String? foreignKey,
+      String? foreignTable,
+      bool cascadeOnDelete = false,
+      JoinType? joinType})
+      : super(
+            RelationshipType.hasMany, // Many-to-Many is actually just a hasMany
+            localKey: localKey,
+            foreignKey: foreignKey,
+            foreignTable: foreignTable,
+            cascadeOnDelete: cascadeOnDelete == true,
+            joinType: joinType);
+}

api/3rd_party/angel3_orm/lib/src/union.dart

@@ -0,0 +1,38 @@
+import 'query_base.dart';
+import 'package:optional/optional.dart';
+
+/// Represents the `UNION` of two subqueries.
+class Union<T> extends QueryBase<T> {
+  /// The subject(s) of this binary operation.
+  final QueryBase<T> left, right;
+
+  /// Whether this is a `UNION ALL` operation.
+  final bool all;
+
+  @override
+  final String tableName;
+
+  Union(this.left, this.right, {this.all = false, String? tableName})
+      : tableName = tableName ?? left.tableName {
+    substitutionValues
+      ..addAll(left.substitutionValues)
+      ..addAll(right.substitutionValues);
+  }
+
+  @override
+  List<String> get fields => left.fields;
+
+  @override
+  Optional<T> deserialize(List row) => left.deserialize(row);
+
+  @override
+  String compile(Set<String> trampoline,
+      {bool includeTableName = false,
+      String? preamble,
+      bool withFields = true}) {
+    var selector = all == true ? 'UNION ALL' : 'UNION';
+    var t1 = Set<String>.from(trampoline);
+    var t2 = Set<String>.from(trampoline);
+    return '(${left.compile(t1, includeTableName: includeTableName)}) $selector (${right.compile(t2, includeTableName: includeTableName)})';
+  }
+}

api/3rd_party/angel3_orm/lib/src/util.dart

@@ -0,0 +1,3 @@
+import 'package:charcode/ascii.dart';
+
+bool isAscii(int ch) => ch >= $nul && ch <= $del;

api/3rd_party/angel3_orm/pubspec.yaml

@@ -0,0 +1,21 @@
+name: angel3_orm
+version: 4.0.4
+description: Runtime support for Angel3 ORM. Includes base classes for queries.
+homepage: https://angel3-framework.web.app/
+repository: https://github.com/dukefirehawk/angel/tree/master/packages/orm/angel_orm
+environment:
+  sdk: '>=2.12.0 <3.0.0'
+dependencies:
+  charcode: ^1.2.0
+  intl: ^0.17.0
+  meta: ^1.3.0
+  string_scanner: ^1.1.0
+  optional: ^6.0.0
+  logging: ^1.0.0
+dev_dependencies:
+  angel3_model: ^3.0.0
+  angel3_serialize: ^4.1.0
+  angel3_serialize_generator: ^4.1.0
+  build_runner: ^2.1.1
+  test: ^1.17.4
+  lints: ^1.0.0

api/bin/migrate.dart

@@ -5,6 +5,8 @@ import 'package:angel3_migration_runner/postgres.dart';
 import 'package:angel3_orm_postgres/angel3_orm_postgres.dart';
 import 'package:dde_gesture_manager_api/models.dart';
 import 'package:dde_gesture_manager_api/src/config/plugins/orm.dart';
+import 'package:dde_gesture_manager_api/src/models/download_history.dart';
+import 'package:dde_gesture_manager_api/src/models/like_record.dart';
 import 'package:file/local.dart';
 import 'package:logging/logging.dart';
 
@@ -29,6 +31,8 @@ void main(List<String> args) async {
     UserMigration(),
     UserSeed(),
     SchemeMigration(),
+    DownloadHistoryMigration(),
+    LikeRecordMigration(),
   ]);
   await runMigrations(migrationRunner, args);
 }

api/lib/apis.dart

@@ -31,10 +31,17 @@ class SchemeApis {
 
   String get upload => [path, 'upload'].joinPath();
 
-  String get userUploads => [path, 'user', 'uploads'].joinPath();
+  String markAsShared({required StringParam schemeId}) => [path, 'mark_as_shared', schemeId].joinPath();
+
+  String user({required StringParam type}) => [path, 'user', type].joinPath();
+
+  String download({required StringParam schemeId}) => [path, 'download', schemeId].joinPath();
+
+  String like({required StringParam schemeId, required StringParam isLike}) => [path, 'like', schemeId, isLike].joinPath();
 }
 
 final _paramsMap = {
+  'BoolParam': BoolParam.nameOnRoute,
   'IntParam': IntParam.nameOnRoute,
   'DoubleParam': DoubleParam.nameOnRoute,
   'StringParam': StringParam.nameOnRoute,
@@ -58,6 +65,18 @@ extension RouteUrl on Function {
   }
 }
 
+class BoolParam {
+  final bool val;
+  String? name;
+
+  BoolParam(this.val);
+
+  BoolParam.nameOnRoute(this.name) : val = true;
+
+  @override
+  String toString() => name == null ? val.toString() : 'bool:$name';
+}
+
 class IntParam {
   final int val;
   String? name;
@@ -94,6 +113,10 @@ class StringParam {
   String toString() => name == null ? val.toString() : ':$name';
 }
 
+extension BoolParamExt on bool {
+  BoolParam get param => BoolParam(this);
+}
+
 extension IntParamExt on int {
   IntParam get param => IntParam(this);
 }

api/lib/src/models/download_history.dart

@@ -0,0 +1,19 @@
+import 'package:angel3_orm/angel3_orm.dart';
+import 'package:angel3_serialize/angel3_serialize.dart';
+import 'package:dde_gesture_manager_api/src/models/base_model.dart';
+import 'package:angel3_migration/angel3_migration.dart';
+import 'package:optional/optional.dart';
+
+part 'download_history.g.dart';
+
+@serializable
+@orm
+abstract class _DownloadHistory extends BaseModel {
+  @Column(isNullable: false, indexType: IndexType.standardIndex)
+  @SerializableField(isNullable: false)
+  int? get uid;
+
+  @Column(isNullable: false, indexType: IndexType.standardIndex)
+  @SerializableField(isNullable: false)
+  int? get schemeId;
+}

api/lib/src/models/like_record.dart

@@ -0,0 +1,23 @@
+import 'package:angel3_orm/angel3_orm.dart';
+import 'package:angel3_serialize/angel3_serialize.dart';
+import 'package:dde_gesture_manager_api/src/models/base_model.dart';
+import 'package:angel3_migration/angel3_migration.dart';
+import 'package:optional/optional.dart';
+
+part 'like_record.g.dart';
+
+@serializable
+@orm
+abstract class _LikeRecord extends BaseModel {
+  @Column(isNullable: false, indexType: IndexType.standardIndex)
+  @SerializableField(isNullable: false)
+  int? get uid;
+
+  @Column(isNullable: false, indexType: IndexType.standardIndex)
+  @SerializableField(isNullable: false)
+  int? get schemeId;
+
+  @Column(isNullable: false, indexType: IndexType.standardIndex)
+  @SerializableField(isNullable: false)
+  bool? get liked;
+}

api/lib/src/models/scheme.dart

@@ -33,3 +33,91 @@ abstract class _Scheme extends BaseModel {
   @DefaultsTo([])
   List? get gestures;
 }
+
+@serializable
+@Orm(tableName: 'schemes', generateMigrations: false)
+abstract class _SimpleScheme {
+  @Column()
+  int? id;
+
+  @Column(isNullable: false, indexType: IndexType.unique)
+  @SerializableField(isNullable: false)
+  String? get uuid;
+
+  @Column(isNullable: false)
+  @SerializableField(isNullable: false)
+  String? get name;
+
+  @Column(isNullable: false, indexType: IndexType.standardIndex)
+  @SerializableField(isNullable: true, exclude: true)
+  int? uid;
+
+  @Column(type: ColumnType.text)
+  String? description;
+
+  @Column(isNullable: false, indexType: IndexType.standardIndex)
+  @SerializableField(defaultValue: false, isNullable: false)
+  bool? get shared;
+
+  @SerializableField(isNullable: true)
+  @Column(type: ColumnType.json)
+  Map<String, dynamic>? get metadata;
+
+  @SerializableField(isNullable: true)
+  @Column(expression: 'lr.liked')
+  bool? get liked;
+}
+
+@serializable
+abstract class _SimpleSchemeTransMetaData {
+  @SerializableField(isNullable: false)
+  String? get uuid;
+
+  @SerializableField(isNullable: false)
+  String? get name;
+
+  @SerializableField(isNullable: false)
+  String? description;
+
+  @SerializableField(defaultValue: false, isNullable: false)
+  bool? get shared;
+
+  int? get downloads;
+
+  int? get likes;
+
+  bool? get liked;
+}
+
+SimpleSchemeTransMetaData transSimpleSchemeMetaData(SimpleScheme scheme) => SimpleSchemeTransMetaData(
+      description: scheme.description,
+      uuid: scheme.uuid,
+      name: scheme.name,
+      shared: scheme.shared,
+      liked: scheme.liked,
+      likes: scheme.metadata?['likes'] ?? 0,
+      downloads: scheme.metadata?['downloads'] ?? 0,
+    );
+
+@serializable
+abstract class _SchemeForDownload {
+  @SerializableField(isNullable: false)
+  String? get uuid;
+
+  @SerializableField(isNullable: false)
+  String? get name;
+
+  @Column(type: ColumnType.text)
+  String? description;
+
+  @SerializableField()
+  @DefaultsTo([])
+  List? get gestures;
+}
+
+SchemeForDownload transSchemeForDownload(Scheme scheme) => SchemeForDownload(
+      uuid: scheme.uuid,
+      name: scheme.name,
+      description: scheme.description,
+      gestures: scheme.gestures,
+    );

api/lib/src/routes/controllers/auth_controllers.dart

@@ -84,7 +84,7 @@ Future configureServer(Angel app) async {
     chain(
       [
         jwtMiddleware(),
-        (req, res) => req.user.blocked == false ? res.noContent() : res.forbidden(),
+        (req, res) => req.user!.blocked == false ? res.noContent() : res.forbidden(),
       ],
     ),
   );

api/lib/src/routes/controllers/controller_extensions.dart

@@ -48,5 +48,11 @@ extension RedisClient on RequestContext {
 }
 
 extension JWTUserInstance on RequestContext {
-  User get user => container!.make<User>();
+  User? get user {
+    try {
+      return container!.make<User>();
+    } catch (_) {
+      return null;
+    }
+  }
 }

api/lib/src/routes/controllers/middlewares.dart

@@ -4,9 +4,10 @@ import 'package:angel3_framework/angel3_framework.dart';
 import 'package:dde_gesture_manager_api/models.dart';
 import '../controllers/controller_extensions.dart';
 
-RequestHandler jwtMiddleware() {
+RequestHandler jwtMiddleware({ignoreError = false}) {
   return (RequestContext req, ResponseContext res, {bool throwError = true}) async {
-    bool _reject(ResponseContext res) {
+    bool _reject(ResponseContext res, [ignoreError = false]) {
+      if (ignoreError) return true;
       if (throwError) {
         res.forbidden();
       }
@@ -18,17 +19,22 @@ RequestHandler jwtMiddleware() {
       if (reqContainer.has<User>() || req.method == 'OPTIONS') {
         return true;
       } else if (reqContainer.has<Future<User>>()) {
-        User user = await reqContainer.makeAsync<User>();
+        try {
-        var authToken = req.container!.make<AuthToken>();
+          User user = await reqContainer.makeAsync<User>();
-        if (user.secret(req.app!.configuration['password_salt']) != authToken.payload[UserFields.password]) {
+          var authToken = req.container!.make<AuthToken>();
-          return _reject(res);
+          if (user.secret(req.app!.configuration['password_salt']) != authToken.payload[UserFields.password]) {
+            return _reject(res, ignoreError);
+          }
+        } catch (e) {
+          if (ignoreError) return true;
+          rethrow;
         }
         return true;
       } else {
-        return _reject(res);
+        return _reject(res, ignoreError);
       }
     } else {
-      return _reject(res);
+      return _reject(res, ignoreError);
     }
   };
 }

api/lib/src/routes/controllers/scheme_controllers.dart

@@ -2,6 +2,8 @@ import 'dart:async';
 
 import 'package:angel3_framework/angel3_framework.dart';
 import 'package:dde_gesture_manager_api/apis.dart';
+import 'package:dde_gesture_manager_api/src/models/download_history.dart';
+import 'package:dde_gesture_manager_api/src/models/like_record.dart';
 import 'package:dde_gesture_manager_api/src/models/scheme.dart';
 import 'package:dde_gesture_manager_api/src/routes/controllers/middlewares.dart';
 import 'package:logging/logging.dart';
@@ -20,16 +22,18 @@ Future configureServer(Angel app) async {
             var scheme = SchemeSerializer.fromMap(req.bodyAsMap);
             var schemeQuery = SchemeQuery();
             schemeQuery.where!.uuid.equals(scheme.uuid!);
-            var one = await schemeQuery.getOne(req.queryExecutor);
+            req.queryExecutor.transaction((tx) async {
-            schemeQuery = SchemeQuery();
+              var one = await schemeQuery.getOne(tx);
-            schemeQuery.values.copyFrom(scheme);
+              schemeQuery = SchemeQuery();
-            schemeQuery.values.uid = int.parse(req.user.id!);
+              schemeQuery.values.copyFrom(scheme);
-            if (one.isEmpty) {
+              schemeQuery.values.uid = req.user!.idAsInt;
-              await schemeQuery.insert(req.queryExecutor);
+              if (one.isEmpty) {
-            } else {
+                return await schemeQuery.insert(tx);
-              schemeQuery.whereId = int.parse(one.value.id!);
+              } else {
-              await schemeQuery.updateOne(req.queryExecutor);
+                schemeQuery.whereId = one.value.idAsInt;
-            }
+                return await schemeQuery.updateOne(tx);
+              }
+            });
           } catch (e) {
             _log.severe(e);
             return res.unProcessableEntity();
@@ -40,21 +44,145 @@ Future configureServer(Angel app) async {
     ),
   );
 
+  app.post(
+    Apis.scheme.markAsShared.route,
+    chain(
+      [
+        jwtMiddleware(),
+        (req, res) async {
+          var schemeId = req.params['schemeId'];
+          var schemeQuery = SchemeQuery();
+          schemeQuery.where!.uuid.equals(schemeId);
+          schemeQuery.values.shared = true;
+          await schemeQuery.updateOne(req.queryExecutor);
+          return res.noContent();
+        },
+      ],
+    ),
+  );
+
+  app.get(
+    Apis.scheme.user.route,
+    chain(
+      [
+        jwtMiddleware(),
+        (req, res) async {
+          var schemeQuery = SimpleSchemeQuery();
+          var type = req.params['type'];
+          var likeRecordTableName = LikeRecordQuery().tableName;
+          schemeQuery.leftJoin(likeRecordTableName, SchemeFields.id, LikeRecordFields.schemeId, alias: 'lr');
+
+          switch (type) {
+            case 'uploaded':
+              schemeQuery.where!.uid.equals(req.user!.idAsInt);
+              break;
+            case 'downloaded':
+              var downloadHistoryTableName = DownloadHistoryQuery().tableName;
+              schemeQuery.leftJoin(downloadHistoryTableName, SchemeFields.id, DownloadHistoryFields.schemeId,
+                  alias: 'dh');
+              schemeQuery.where!.raw('dh.${DownloadHistoryFields.uid} = ${req.user!.idAsInt}');
+              break;
+            case 'liked':
+              schemeQuery.where!.raw('lr.${LikeRecordFields.uid} = ${req.user!.idAsInt}');
+              schemeQuery.where!.raw('lr.${LikeRecordFields.liked} = true');
+              break;
+            default:
+              return res.unProcessableEntity();
+          }
+          schemeQuery.orderBy('${schemeQuery.tableName}.${SchemeFields.updatedAt}', descending: true);
+          return schemeQuery.get(req.queryExecutor).then((value) => value.map(transSimpleSchemeMetaData).toList());
+        },
+      ],
+    ),
+  );
+
   app.get(
-    Apis.scheme.userUploads,
+    Apis.scheme.download.route,
+    chain(
+      [
+        jwtMiddleware(ignoreError: true),
+        (req, res) async {
+          var schemeQuery = SchemeQuery();
+          schemeQuery.where?.uuid.equals(req.params['schemeId']);
+          var optionalScheme = await schemeQuery.getOne(req.queryExecutor);
+          if (optionalScheme.isNotEmpty) {
+            var scheme = optionalScheme.value;
+            if (req.user != null) {
+              /// 增加用户下载记录
+              var downloadHistoryQuery = DownloadHistoryQuery();
+              downloadHistoryQuery.where?.uid.equals(req.user!.idAsInt);
+              downloadHistoryQuery.where?.schemeId.equals(scheme.idAsInt);
+              var notExist = (await downloadHistoryQuery.getOne(req.queryExecutor)).isEmpty;
+              if (notExist) {
+                downloadHistoryQuery = DownloadHistoryQuery();
+                downloadHistoryQuery.values.copyFrom(DownloadHistory(uid: req.user!.idAsInt, schemeId: scheme.idAsInt));
+                await downloadHistoryQuery.insert(req.queryExecutor);
+              }
+            }
+
+            /// 增加方案的下载数量
+            schemeQuery = SchemeQuery();
+            schemeQuery.whereId = scheme.idAsInt;
+            Map<String, dynamic> metadata = Map.from(scheme.metadata!);
+            metadata.update('downloads', (value) => ++value, ifAbsent: () => 1);
+            schemeQuery.values.metadata = metadata;
+            schemeQuery.updateOne(req.queryExecutor);
+
+            return res.json(transSchemeForDownload(scheme));
+          }
+          return res.notFound();
+        },
+      ],
+    ),
+  );
+
+  app.get(
+    Apis.scheme.like.route,
     chain(
       [
         jwtMiddleware(),
         (req, res) async {
+          bool isLike = req.params['isLike'] == 'like';
+          bool needUpdate = true;
           var schemeQuery = SchemeQuery();
-          schemeQuery.where!.uid.equals(int.parse(req.user.id!));
+          schemeQuery.where?.uuid.equals(req.params['schemeId']);
-          schemeQuery.orderBy(SchemeFields.updatedAt, descending: true);
+          var optionalScheme = await schemeQuery.getOne(req.queryExecutor);
-          return schemeQuery.get(req.queryExecutor).then((value) => value.map((e) => {
+          if (optionalScheme.isNotEmpty) {
-            'name': e.name,
+            var scheme = optionalScheme.value;
-            'description': e.description,
+            if (req.user != null) {
-          }).toList());
+              /// 增加用户点赞记录
+              var likeRecordQuery = LikeRecordQuery();
+              likeRecordQuery.where?.uid.equals(req.user!.idAsInt);
+              likeRecordQuery.where?.schemeId.equals(scheme.idAsInt);
+              var likeRecordCheck = await likeRecordQuery.getOne(req.queryExecutor);
+              likeRecordQuery = LikeRecordQuery();
+              likeRecordQuery.values
+                  .copyFrom(LikeRecord(uid: req.user!.idAsInt, schemeId: scheme.idAsInt, liked: isLike));
+              if (likeRecordCheck.isEmpty) {
+                likeRecordQuery.insert(req.queryExecutor);
+              } else if (likeRecordCheck.value.liked != isLike) {
+                likeRecordQuery.whereId = likeRecordCheck.value.idAsInt;
+                likeRecordQuery.updateOne(req.queryExecutor);
+              } else {
+                needUpdate = false;
+              }
+            }
+
+            if (needUpdate) {
+              /// 增加/减少方案的点赞数量
+              schemeQuery = SchemeQuery();
+              schemeQuery.whereId = scheme.idAsInt;
+              Map<String, dynamic> metadata = Map.from(scheme.metadata!);
+              metadata.update('likes', (value) => isLike ? ++value : --value, ifAbsent: () => 1);
+              schemeQuery.values.metadata = metadata;
+              schemeQuery.updateOne(req.queryExecutor);
+            }
+
+            return res.noContent();
+          }
+          return res.notFound();
         },
       ],
     ),
   );
-}
+}

api/pubspec.yaml

@@ -8,8 +8,7 @@ dependencies:
   angel3_auth: ^4.0.0
   angel3_configuration: ^4.1.0
   angel3_framework: ^4.2.0
-  angel3_migration: ^4.0.0
+  angel3_migration: ^4.0.3
-  angel3_orm: ^4.0.0
   angel3_orm_postgres: ^3.0.0
   angel3_serialize: ^4.1.0
   angel3_production: ^3.1.0
@@ -21,13 +20,15 @@ dependencies:
   yaml: ^3.1.0
   mailer: ^5.0.2
   uuid: ^3.0.5
+  angel3_orm:
+    path: 3rd_party/angel3_orm
   neat_cache:
     path: 3rd_party/neat_cache
 dev_dependencies:
   angel3_hot: ^4.2.0
   angel3_jinja: ^2.0.1
   angel3_migration_runner: ^4.0.0
-  angel3_orm_generator: ^4.1.0
+  angel3_orm_generator: ^4.1.3
   angel3_serialize_generator: ^4.2.0
   angel3_test: ^4.0.0
   build_runner: ^2.0.3
@@ -35,5 +36,6 @@ dev_dependencies:
   test: ^1.17.5
   lints: ^1.0.0
 
-
+dependency_overrides:
-
+  angel3_orm:
+    path: 3rd_party/angel3_orm

app/lib/http/api.dart

@@ -6,6 +6,7 @@ import 'package:dde_gesture_manager/extensions.dart';
 import 'package:dde_gesture_manager/models/scheme.dart' as AppScheme;
 import 'package:dde_gesture_manager/utils/helper.dart';
 import 'package:dde_gesture_manager/utils/notificator.dart';
+import 'package:dde_gesture_manager/widgets/me.dart';
 import 'package:dde_gesture_manager_api/apis.dart';
 import 'package:dde_gesture_manager_api/models.dart';
 import 'package:http/http.dart' as http;
@@ -85,7 +86,7 @@ class Api {
           if (ignoreErrorHandle)
             throw e;
           else
-            return _handleHttpError(e);
+            _handleHttpError(e);
         },
       );
 
@@ -116,7 +117,7 @@ class Api {
           if (ignoreErrorHandle)
             throw e;
           else
-            return _handleHttpError(e);
+            _handleHttpError(e);
         },
       );
 
@@ -158,6 +159,19 @@ class Api {
         ),
       ).then((value) => value == HttpStatus.noContent);
 
-  static Future<List<Scheme>> userUploads() =>
+  static Future<List<SimpleSchemeTransMetaData>> userSchemes({required SchemeListType type}) =>
-      _get(Apis.scheme.userUploads, listRespBuilderWrap(SchemeSerializer.fromMap));
+      _get(Apis.scheme.user(type: type.name.param), listRespBuilderWrap(SimpleSchemeTransMetaDataSerializer.fromMap));
+
+  static Future<bool> likeScheme({required String schemeId, required bool isLike}) => _get(
+              Apis.scheme.like(schemeId: schemeId.param, isLike: StringParam(isLike ? 'like' : 'unlike')),
+              getStatusCodeFunc)
+          .then((value) {
+        123.sout();
+        return value == HttpStatus.noContent;
+      });
+
+  static Future<SchemeForDownload> downloadScheme({required String schemeId}) => _get(
+        Apis.scheme.download(schemeId: schemeId.param),
+        SchemeForDownloadSerializer.fromMap,
+      );
 }

app/lib/main.dart

@@ -11,6 +11,7 @@ import 'package:dde_gesture_manager/themes/dark.dart';
 import 'package:dde_gesture_manager/themes/light.dart';
 import 'package:dde_gesture_manager/utils/helper.dart';
 import 'package:dde_gesture_manager/utils/init.dart';
+import 'package:dde_gesture_manager/utils/simple_throttle.dart';
 import 'package:flutter/material.dart';
 
 import 'pages/home.dart';
@@ -71,15 +72,7 @@ class MyApp extends StatelessWidget {
             firstChild: Builder(builder: (context) {
               Future.microtask(() {
                 initEvents(context);
-                if (H().lastCheckAuthStatusTime != null &&
+                SimpleThrottle.throttledFunc(_checkAuthStatus, timeout: const Duration(minutes: 5))?.call(context);
-                    H().lastCheckAuthStatusTime!.difference(DateTime.now()) < Duration(minutes: 10)) return;
-                if (context.read<ConfigsProvider>().accessToken.notNull) {
-                  Api.checkAuthStatus().then((value) {
-                    if (!value) context.read<ConfigsProvider>().setProps(email: '', accessToken: '');
-                  });
-                } else {
-                  H().lastCheckAuthStatusTime = DateTime.now();
-                }
               });
               return Container();
             }),
@@ -91,3 +84,15 @@ class MyApp extends StatelessWidget {
     );
   }
 }
+
+void _checkAuthStatus(BuildContext context) {
+  if (H().lastCheckAuthStatusTime != null &&
+      H().lastCheckAuthStatusTime!.difference(DateTime.now()) < Duration(minutes: 10)) return;
+  if (context.read<ConfigsProvider>().accessToken.notNull) {
+    Api.checkAuthStatus().then((value) {
+      if (!value) context.read<ConfigsProvider>().setProps(email: '', accessToken: '');
+    });
+  } else {
+    H().lastCheckAuthStatusTime = DateTime.now();
+  }
+}

app/lib/models/content_layout.dart

@@ -1,4 +1,7 @@
 import 'package:dde_gesture_manager/builder/provider_annotation.dart';
+import 'package:dde_gesture_manager/constants/sp_keys.dart';
+import 'package:dde_gesture_manager/utils/helper.dart';
+import 'package:dde_gesture_manager/extensions.dart';
 
 @ProviderModel()
 class ContentLayout {
@@ -9,7 +12,7 @@ class ContentLayout {
   bool? marketOrMeOpened;
 
   @ProviderModelProp()
-  bool? currentIsMarket = true;
+  bool? currentIsMarket = H().sp.getString(SPKeys.accessToken).isNull;
 
   bool get isMarket => currentIsMarket ?? true;
 }

app/lib/pages/local_manager.dart

@@ -184,8 +184,8 @@ class _LocalManagerState extends State<LocalManager> {
                             ),
                           ),
                         ),
-                        Container(height: 5),
+                        Padding(
-                        Container(
+                          padding: const EdgeInsets.only(top: 5),
                           child: Row(
                             mainAxisAlignment: MainAxisAlignment.end,
                             children: [

app/lib/pages/market_or_me.dart

@@ -82,7 +82,7 @@ class MarketOrMe extends StatelessWidget {
   Widget buildMeContent(BuildContext context) {
     var accessToken = context.watch<ConfigsProvider>().accessToken;
     if (accessToken.isNull) return LoginWidget();
-    return MeWidget();
+    return Expanded(child: MeWidget());
   }
 
   Widget buildMarketContent(BuildContext context) {

app/lib/utils/init_linux.dart

@@ -49,9 +49,9 @@ Future<void> initEvents(BuildContext context) async {
     }
   }
 
-  if (!_updateChecked)
+  if (!_updateChecked) {
+    _updateChecked = true;
     Api.checkAppVersion(ignoreErrorHandle: true).then((value) async {
-      _updateChecked = true;
       var info = await PackageInfo.fromPlatform();
       var _buildNumber = int.parse(info.buildNumber);
       var _newVersionCode = value?.versionCode ?? 0;
@@ -74,6 +74,7 @@ Future<void> initEvents(BuildContext context) async {
         });
       }
     });
+  }
 }
 
 Future<void> initConfigs() async {

app/lib/utils/simple_throttle.dart

@@ -0,0 +1,45 @@
+import 'dart:collection';
+
+import 'package:collection/collection.dart';
+
+class _SimpleThrottleNode {
+  int funcHashCode;
+  int timestamp;
+
+  _SimpleThrottleNode(this.funcHashCode, this.timestamp);
+}
+
+typedef void _VoidFunc();
+
+final _simpleThrottleQueue = Queue();
+
+/// Usage: If you have a function : test(int n) => n;
+/// you can use SimpleThrottle.throttledFunc(test)?.call(1) to make it throttled
+/// this will return function's return value if last call time over the timeout
+/// otherwise this will return null.
+/// If your function is a 'void function()', you can use SimpleThrottle.invoke(func) to call it throttled,
+/// and you can get a throttled function by SimpleThrottle.bind(func) if you do not call it immediately.
+class SimpleThrottle {
+  static T? throttledFunc<T extends Function>(T func,
+      {String? funcKey, Duration timeout = const Duration(seconds: 1)}) {
+    var node = _simpleThrottleQueue.firstWhereOrNull((element) => element.funcHashCode == (funcKey ?? func).hashCode);
+    if (node != null) {
+      if (DateTime.now().millisecondsSinceEpoch - node.timestamp < timeout.inMilliseconds)
+        return null;
+      else
+        node.timestamp = DateTime.now().millisecondsSinceEpoch;
+    } else {
+      _simpleThrottleQueue.add(_SimpleThrottleNode((funcKey ?? func).hashCode, DateTime.now().millisecondsSinceEpoch));
+      while (_simpleThrottleQueue.length > 16) {
+        _simpleThrottleQueue.removeFirst();
+      }
+    }
+    return func;
+  }
+
+  static void invoke(_VoidFunc func, {String? funcKey, Duration timeout = const Duration(seconds: 1)}) =>
+      throttledFunc(func, timeout: timeout, funcKey: funcKey)?.call();
+
+  static _VoidFunc bind(_VoidFunc func, {String? funcKey, Duration timeout = const Duration(seconds: 1)}) =>
+      () => invoke(func, timeout: timeout, funcKey: funcKey);
+}

app/lib/widgets/dde_button.dart

@@ -141,6 +141,57 @@ class DButton extends StatefulWidget {
             message: LocaleKeys.operation_upload.tr(),
           ));
 
+  factory DButton.download({
+    Key? key,
+    required enabled,
+    GestureTapCallback? onTap,
+    height = defaultButtonHeight * .7,
+    width = defaultButtonHeight * .7,
+  }) =>
+      DButton(
+          key: key,
+          width: width,
+          height: height,
+          onTap: enabled ? onTap : null,
+          child: Tooltip(
+            child: Opacity(opacity: enabled ? 1 : 0.4, child: const Icon(Icons.file_download, size: 18)),
+            message: LocaleKeys.operation_download.tr(),
+          ));
+
+  factory DButton.share({
+    Key? key,
+    required enabled,
+    GestureTapCallback? onTap,
+    height = defaultButtonHeight * .7,
+    width = defaultButtonHeight * .7,
+  }) =>
+      DButton(
+          key: key,
+          width: width,
+          height: height,
+          onTap: enabled ? onTap : null,
+          child: Tooltip(
+            child: Opacity(opacity: enabled ? 1 : 0.4, child: const Icon(Icons.share, size: 18)),
+            message: LocaleKeys.operation_share.tr(),
+          ));
+
+  factory DButton.like({
+    Key? key,
+    required enabled,
+    GestureTapCallback? onTap,
+    height = defaultButtonHeight * .7,
+    width = defaultButtonHeight * .7,
+  }) =>
+      DButton(
+          key: key,
+          width: width,
+          height: height,
+          onTap: enabled ? onTap : null,
+          child: Tooltip(
+            child: Opacity(opacity: enabled ? 1 : 0.4, child: const Icon(Icons.thumb_up, size: 16)),
+            message: LocaleKeys.operation_like.tr(),
+          ));
+
   factory DButton.dropdown({
     Key? key,
     width = 60.0,

app/lib/widgets/me.dart

@@ -1,13 +1,23 @@
 import 'package:auto_size_text/auto_size_text.dart';
+import 'package:collection/collection.dart';
 import 'package:dde_gesture_manager/constants/constants.dart';
+import 'package:dde_gesture_manager/extensions.dart';
 import 'package:dde_gesture_manager/http/api.dart';
 import 'package:dde_gesture_manager/models/configs.provider.dart';
+import 'package:dde_gesture_manager/models/settings.provider.dart';
+import 'package:dde_gesture_manager/utils/notificator.dart';
 import 'package:dde_gesture_manager_api/models.dart';
 import 'package:flutter/material.dart';
-import 'package:dde_gesture_manager/extensions.dart';
+import 'package:flutter_platform_alert/flutter_platform_alert.dart';
 
 import 'dde_button.dart';
 
+enum SchemeListType {
+  uploaded,
+  downloaded,
+  liked,
+}
+
 class MeWidget extends StatefulWidget {
   const MeWidget({Key? key}) : super(key: key);
 
@@ -16,23 +26,46 @@ class MeWidget extends StatefulWidget {
 }
 
 class _MeWidgetState extends State<MeWidget> {
-  List<Scheme> uploads = [];
+  List<SimpleSchemeTransMetaData> _schemes = [];
+  SchemeListType _type = SchemeListType.uploaded;
+  String? _selected;
+  String? _hovering;
 
   @override
   void initState() {
     super.initState();
-    Api.userUploads().then((value) {
+    Api.userSchemes(type: _type).then((value) {
       if (mounted)
         setState(() {
-          uploads = value;
+          _schemes = value;
+          _selected = value.isNotEmpty ? value.first.uuid : null;
         });
     });
   }
 
+  Color _getItemBackgroundColor(int index, String? schemeId) {
+    Color _color = index % 2 == 0 ? context.t.scaffoldBackgroundColor : context.t.backgroundColor;
+    if (schemeId == _hovering) _color = context.t.dialogBackgroundColor;
+    if (schemeId == _selected) _color = context.read<SettingsProvider>().currentActiveColor;
+    return _color;
+  }
+
+  _refreshList() {
+    Future.delayed(const Duration(milliseconds: 100), () {
+      Api.userSchemes(type: _type).then((value) {
+        if (mounted)
+          setState(() {
+            _schemes = value;
+          });
+      });
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
+    var currentSelectedScheme = _schemes.firstWhereOrNull((e) => e.uuid == _selected);
     return Padding(
-      padding: EdgeInsets.symmetric(vertical: 10),
+      padding: EdgeInsets.only(top: 10),
       child: Column(
         children: [
           Row(
@@ -54,12 +87,157 @@ class _MeWidgetState extends State<MeWidget> {
               ),
             ],
           ),
-          Text('我的上传'),
+          Padding(
-          Container(
+            padding: const EdgeInsets.only(top: 3, bottom: 2),
-            height: 400,
+            child: Row(
-            child: ListView.builder(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
-              itemBuilder: (context, index) => Text(uploads[index].name ?? ''),
+              children: [
-              itemCount: uploads.length,
+                SchemeListType.uploaded,
+                SchemeListType.downloaded,
+                SchemeListType.liked,
+              ]
+                  .map(
+                    (e) => Flexible(
+                      flex: 1,
+                      fit: FlexFit.tight,
+                      child: MouseRegion(
+                        cursor: SystemMouseCursors.click,
+                        child: GestureDetector(
+                          onTap: () {
+                            setState(() {
+                              _type = e;
+                            });
+                            Api.userSchemes(type: e).then((value) {
+                              if (mounted)
+                                setState(() {
+                                  _schemes = value;
+                                });
+                            });
+                          },
+                          child: Center(
+                            child: Text(
+                              '${LocaleKeys.me_scheme_types}.${e.name}'.tr(),
+                              style: _type == e ? TextStyle(fontWeight: FontWeight.bold, fontSize: 15) : null,
+                            ),
+                          ),
+                        ),
+                      ),
+                    ),
+                  )
+                  .toList(),
+            ),
+          ),
+          Expanded(
+            child: Container(
+              decoration: BoxDecoration(
+                border: Border.all(
+                  width: .3,
+                  color: context.t.dividerColor,
+                ),
+                borderRadius: BorderRadius.circular(defaultBorderRadius),
+              ),
+              child: Padding(
+                padding: EdgeInsets.symmetric(horizontal: 1, vertical: 2),
+                child: ListView.builder(
+                  itemBuilder: (context, index) => GestureDetector(
+                    onTap: () {
+                      setState(() {
+                        _selected = _schemes[index].uuid;
+                      });
+                    },
+                    child: MouseRegion(
+                      cursor: SystemMouseCursors.click,
+                      onEnter: (_) {
+                        setState(() {
+                          _hovering = _schemes[index].uuid;
+                        });
+                      },
+                      child: Container(
+                        color: _getItemBackgroundColor(index, _schemes[index].uuid),
+                        child: Padding(
+                          padding: const EdgeInsets.only(left: 6, right: 12.0),
+                          child: DefaultTextStyle(
+                            style: context.t.textTheme.bodyText2!.copyWith(
+                              color: _selected == _schemes[index].uuid ? Colors.white : null,
+                            ),
+                            child: Row(
+                              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                              children: [
+                                Text(_schemes[index].name ?? ''),
+                                Row(
+                                  children: [
+                                    Text('${_schemes[index].downloads ?? 0}'.padLeft(4)),
+                                    Icon(
+                                      Icons.file_download,
+                                      size: 18,
+                                    ),
+                                    Text('${_schemes[index].likes ?? 0}'.padLeft(4)),
+                                    Icon(_schemes[index].liked == true ? Icons.thumb_up : Icons.thumb_up_off_alt,
+                                        size: 17),
+                                  ]
+                                      .map((e) => Padding(
+                                            padding: const EdgeInsets.only(right: 3),
+                                            child: e,
+                                          ))
+                                      .toList(),
+                                ),
+                              ],
+                            ),
+                          ),
+                        ),
+                      ),
+                    ),
+                  ),
+                  itemCount: _schemes.length,
+                ),
+              ),
+            ),
+          ),
+          Padding(
+            padding: const EdgeInsets.only(top: 5),
+            child: Row(
+              mainAxisAlignment: MainAxisAlignment.end,
+              children: [
+                if (_type == SchemeListType.uploaded)
+                  DButton.share(
+                    enabled: currentSelectedScheme?.shared == false,
+                    onTap: () {
+                      Notificator.showConfirm(
+                              title: LocaleKeys.info_share_title.tr(),
+                              description: LocaleKeys.info_share_description.tr())
+                          .then((value) {
+                        if (value == CustomButton.positiveButton) {
+                          Notificator.success(context, title: LocaleKeys.info_share_success.tr());
+                        }
+                      });
+                    },
+                  ),
+                DButton.like(
+                  enabled: true,
+                  onTap: () {
+                    Api.likeScheme(schemeId: currentSelectedScheme!.uuid!, isLike: !currentSelectedScheme.liked!)
+                        .then((value) {
+                      if (value) {
+                        _refreshList();
+                      }
+                    });
+                  },
+                ),
+                DButton.download(
+                  enabled: true,
+                  onTap: () {
+                    Api.downloadScheme(schemeId: currentSelectedScheme!.uuid!).then((value) {
+                      value.sout();
+                      _refreshList();
+                    });
+                  },
+                ),
+              ]
+                  .map((e) => Padding(
+                        padding: const EdgeInsets.only(right: 4),
+                        child: e,
+                      ))
+                  .toList(),
             ),
           ),
         ],

app/pubspec.yaml

@@ -57,6 +57,10 @@ dev_dependencies:
   build_runner: 2.1.2
   source_gen: 1.1.0
 
+dependency_overrides:
+  angel3_orm:
+    path: ../api/3rd_party/angel3_orm
+
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
 

app/resources/langs/en.json

@@ -72,7 +72,10 @@
     "apply": "apply",
     "paste": "paste",
     "logout": "sign out",
-    "upload": "upload"
+    "upload": "upload",
+    "download": "download",
+    "share": "share to market",
+    "like": "like"
   },
   "str": {
     "null": "Null",
@@ -146,6 +149,11 @@
     "upload": {
       "success": "Upload success ~",
       "failed": "Upload failed.."
+    },
+    "share": {
+      "title": "Are you sure to sharing?",
+      "description": "Other users can see this scheme and download it after share",
+      "success": "Share success"
     }
   },
   "me": {
@@ -155,6 +163,11 @@
       "email_hint": "Please enter email",
       "password_hint": "Please enter 8-16-bit password",
       "email_error_hint": "Please enter your vaild email"
+    },
+    "scheme_types": {
+      "uploaded": "Uploaded",
+      "downloaded": "Downloaded",
+      "liked": "Liked"
     }
   }
 }

app/resources/langs/zh-CN.json

@@ -72,7 +72,10 @@
     "apply": "应用",
     "paste": "粘贴",
     "logout": "退出登录",
-    "upload": "上传"
+    "upload": "上传",
+    "download": "下载",
+    "share": "分享到市场",
+    "like": "点赞"
   },
   "str": {
     "null": "无",
@@ -146,6 +149,11 @@
     "upload": {
       "success": "上传成功～",
       "failed": "上传失败。。"
+    },
+    "share": {
+      "title": "确定分享？",
+      "description": "分享后其他用户可以看到本方案并下载使用",
+      "success": "分享成功"
     }
   },
   "me": {
@@ -155,6 +163,11 @@
       "email_hint": "请输入邮箱",
       "password_hint": "请输入8-16位密码",
       "email_error_hint": "请输入正确的邮箱"
+    },
+    "scheme_types": {
+      "uploaded": "我的上传",
+      "downloaded": "我的下载",
+      "liked": "我的点赞"
     }
   }
 }