feat: implement some api; add md editor to app; login and signup logic.

api/bin/migrate.dart

@@ -1,3 +1,5 @@
+import 'package:angel3_migration/angel3_migration.dart';
+import 'package:angel3_orm_postgres/angel3_orm_postgres.dart';
 import 'package:dde_gesture_manager_api/src/config/plugins/orm.dart';
 import 'package:dde_gesture_manager_api/models.dart';
 import 'package:angel3_configuration/angel3_configuration.dart';
@@ -6,6 +8,8 @@ import 'package:angel3_migration_runner/postgres.dart';
 import 'package:file/local.dart';
 import 'package:logging/logging.dart';
 
+late Map configuration;
+
 void main(List<String> args) async {
   // Enable the logging
   Logger.root.level = Level.INFO;
@@ -19,10 +23,39 @@ void main(List<String> args) async {
   });
 
   var fs = LocalFileSystem();
-  var configuration = await loadStandaloneConfiguration(fs);
+  configuration = await loadStandaloneConfiguration(fs);
   var connection = await connectToPostgres(configuration);
   var migrationRunner = PostgresMigrationRunner(connection, migrations: [
     UserMigration(),
+    UserSeed(),
   ]);
   await runMigrations(migrationRunner, args);
 }
+
+class UserSeed extends Migration {
+  @override
+  void up(Schema schema) async {
+    await doUserSeed();
+  }
+
+  @override
+  void down(Schema schema) async {}
+}
+
+Future doUserSeed() async {
+  var connection = await connectToPostgres(configuration);
+  await connection.open();
+  var executor = PostgreSqlExecutor(connection);
+  var userQuery = UserQuery();
+  userQuery.where?.email.equals('admin@admin.com');
+  var one = await userQuery.getOne(executor);
+  if (one.isEmpty) {
+    userQuery = UserQuery();
+    userQuery.values.copyFrom(User(
+      email: 'admin@admin.com',
+      password: '1234567890',
+    ));
+    return userQuery.insert(executor).then((value) => connection.close());
+  }
+  return connection.close();
+}