implemented other repos, services, objects ...

backend-dart/lib/domain/data/database.dart

@@ -1,6 +1,13 @@
+import 'package:backend_dart/domain/data/project_data_source.dart';
+import 'package:backend_dart/domain/data/project_task_data_source.dart';
+import 'package:backend_dart/domain/data/time_entry_data_source.dart';
 import 'package:backend_dart/domain/data/user_data_source.dart';
 
 abstract class IDatabase {
   UserDataSource get users;
+  TimeEntryDataSource get timeEntries;
+  ProjectTaskDataSource get tasks;
+  ProjectDataSource get projects;
+
   Future<void> close();
 }

backend-dart/lib/domain/data/project_data_source.dart

@@ -7,30 +7,33 @@ abstract class ProjectDataSource {
   /// Creates a new project in the data source.
   ///
   /// Throws an error if the creation fails.
-  TaskEither<IError, Project> createProject(ProjectCreate project);
+  TaskEither<IError, Project> create(ProjectCreate project);
 
   /// Retrieves a project by its unique ID.
   ///
   /// Returns `null` if no project is found.
-  TaskEither<IError, Project>  findProjectById(String id);
+  TaskEither<IError, Project> findById(String id);
 
   /// Retrieves all projects associated with a specific user.
   ///
   /// Returns an empty list if no projects are found.
-  TaskEither<IError,List<Project>> findProjectsByUserId(String userId);
+  TaskEither<IError, List<Project>> findByUserId(String userId);
 
   /// Updates an existing project in the data source.
   ///
   /// Throws an error if the update fails.
-  TaskEither<IError, Project> updateProject(ProjectUpdate project);
+  TaskEither<IError, Project> update(ProjectUpdate project);
 
   /// Deletes a project by its unique ID.
   ///
   /// Throws an error if the deletion fails.
-  TaskEither<IError, Project>  deleteProject(String id);
+  TaskEither<IError, Project> delete(String id);
 
   /// Retrieves all projects in the data source.
   ///
   /// Returns an empty list if no projects exist.
-  TaskEither<IError, List<Project>> findAllProjects();
+  TaskEither<IError, List<Project>> findAll();
+
+  /// Generates a new unique ID for a task.
+  TaskEither<IError, String> generateId();
 }

backend-dart/lib/domain/data/project_task_data_source.dart

@@ -0,0 +1,39 @@
+import 'package:backend_dart/domain/entities/project_task.dart';
+import 'package:backend_dart/domain/interface/error.dart';
+import 'package:fpdart/fpdart.dart';
+
+/// Interface for managing task data interactions.
+abstract class ProjectTaskDataSource {
+  /// Creates a new task in the data source.
+  ///
+  /// Throws an error if the creation fails.
+  TaskEither<IError, ProjectTask> create(ProjectTaskCreate task);
+
+  /// Retrieves a task by its unique ID.
+  ///
+  /// Returns `null` if no task is found.
+  TaskEither<IError, ProjectTask> findById(String id);
+
+  /// Retrieves all tasks for a specific project.
+  ///
+  /// Returns an empty list if no tasks are found.
+  TaskEither<IError, List<ProjectTask>> findByProjectId(String projectId);
+
+  /// Updates an existing task in the data source.
+  ///
+  /// Throws an error if the update fails.
+  TaskEither<IError, ProjectTask> update(ProjectTaskUpdate task);
+
+  /// Deletes a task by its unique ID.
+  ///
+  /// Throws an error if the deletion fails.
+  TaskEither<IError, ProjectTask> delete(String id);
+
+  /// Retrieves all tasks in the data source.
+  ///
+  /// Returns an empty list if no tasks exist.
+  TaskEither<IError, List<ProjectTask>> findAll();
+
+  /// Generates a new unique ID for a task.
+  TaskEither<IError, String> generateId();
+}

backend-dart/lib/domain/data/time_entry_data_source.dart

@@ -0,0 +1,44 @@
+import 'package:backend_dart/domain/entities/time_entry.dart';
+import 'package:backend_dart/domain/interface/error.dart';
+import 'package:fpdart/fpdart.dart';
+
+/// Interface for managing time entry data interactions.
+abstract class TimeEntryDataSource {
+  /// Creates a new time entry in the data source.
+  ///
+  /// Throws an error if the creation fails.
+  TaskEither<IError, TimeEntry> create(TimeEntryCreate timeEntry);
+
+  /// Retrieves a time entry by its unique ID.
+  ///
+  /// Returns `null` if no time entry is found.
+  TaskEither<IError, TimeEntry> findById(String id);
+
+  /// Retrieves all time entries for a specific user.
+  ///
+  /// Returns an empty list if no time entries are found.
+  TaskEither<IError, List<TimeEntry>> findByUserId(String userId);
+
+  /// Retrieves all time entries for a specific project.
+  ///
+  /// Returns an empty list if no time entries are found.
+  TaskEither<IError, List<TimeEntry>> findByProjectId(String projectId);
+
+  /// Updates an existing time entry in the data source.
+  ///
+  /// Throws an error if the update fails.
+  TaskEither<IError, TimeEntry> update(TimeEntryUpdate timeEntry);
+
+  /// Deletes a time entry by its unique ID.
+  ///
+  /// Throws an error if the deletion fails.
+  TaskEither<IError, TimeEntry> delete(String id);
+
+  /// Retrieves all time entries in the data source.
+  ///
+  /// Returns an empty list if no time entries exist.
+  TaskEither<IError, List<TimeEntry>> findAll();
+
+  /// Generates a new unique ID for a time entry.
+  TaskEither<IError, String> generateId();
+}