feat: create app and api projects.

api/lib/channel.dart

@@ -0,0 +1,77 @@
+import 'package:dde_gesture_manager/model/model.dart';
+import 'package:dde_gesture_manager/dde_gesture_manager.dart';
+
+/// This type initializes an application.
+///
+/// Override methods in this class to set up routes and initialize services like
+/// database connections. See http://conduit.io/docs/http/channel/.
+class DdeGestureManagerChannel extends ApplicationChannel {
+  late ManagedContext context;
+
+  /// Initialize services in this method.
+  ///
+  /// Implement this method to initialize services, read values from [options]
+  /// and any other initialization required before constructing [entryPoint].
+  ///
+  /// This method is invoked prior to [entryPoint] being accessed.
+  @override
+  Future prepare() async {
+    logger.onRecord.listen(
+        (rec) => print("$rec ${rec.error ?? ""} ${rec.stackTrace ?? ""}"));
+
+    final config =
+        DdeGestureManagerConfiguration(options!.configurationFilePath!);
+    context = contextWithConnectionInfo(config.database!);
+  }
+
+  /// Construct the request channel.
+  ///
+  /// Return an instance of some [Controller] that will be the initial receiver
+  /// of all [Request]s.
+  ///
+  /// This method is invoked after [prepare].
+  @override
+  Controller get entryPoint {
+    final router = Router();
+
+    router
+        .route("/model/[:id]")
+        .link(() => ManagedObjectController<Model>(context));
+
+    router
+        .route("/")
+        .linkFunction((Request request) async => Response.ok('ok'));
+
+    return router;
+  }
+
+  /*
+   * Helper methods
+   */
+
+  ManagedContext contextWithConnectionInfo(
+      DatabaseConfiguration connectionInfo) {
+    final dataModel = ManagedDataModel.fromCurrentMirrorSystem();
+    final psc = PostgreSQLPersistentStore(
+        connectionInfo.username,
+        connectionInfo.password,
+        connectionInfo.host,
+        connectionInfo.port,
+        connectionInfo.databaseName);
+
+    return ManagedContext(dataModel, psc);
+  }
+}
+
+/// An instance of this class reads values from a configuration
+/// file specific to this application.
+///
+/// Configuration files must have key-value for the properties in this class.
+/// For more documentation on configuration files, see https://conduit.io/docs/configure/ and
+/// https://pub.dartlang.org/packages/safe_config.
+class DdeGestureManagerConfiguration extends Configuration {
+  DdeGestureManagerConfiguration(String fileName)
+      : super.fromFile(File(fileName));
+
+  DatabaseConfiguration? database;
+}

api/lib/dde_gesture_manager.dart

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+/// dde_gesture_manager
+///
+/// A conduit web server.
+library dde_gesture_manager;
+
+export 'dart:async';
+export 'dart:io';
+
+export 'package:conduit/conduit.dart';
+
+export 'channel.dart';

api/lib/model/model.dart

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+import 'package:dde_gesture_manager/dde_gesture_manager.dart';
+
+class Model extends ManagedObject<_Model> implements _Model {
+  @override
+  void willInsert() {
+    createdAt = DateTime.now().toUtc();
+  }
+}
+
+class _Model {
+  @primaryKey
+  int? id;
+
+  @Column(indexed: true)
+  String? name;
+
+  DateTime? createdAt;
+}