implemented other repos, services, objects ...

backend-dart/lib/domain/repository/project_repository.dart

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+import 'package:fpdart/fpdart.dart';
+import 'package:backend_dart/domain/entities/project.dart';
+import 'package:backend_dart/domain/interface/error.dart';
+
+abstract class ProjectRepository {
+  /// Creates a new project.
+  TaskEither<IError, Project> create(ProjectCreate project);
+
+  /// Finds a project by its unique ID.
+  TaskEither<IError, Project> findById(String id);
+
+  /// Updates an existing project.
+  TaskEither<IError, Project> update(ProjectUpdate project);
+
+  /// Deletes a project by its unique ID.
+  TaskEither<IError, void> delete(String id);
+
+  /// Finds all projects.
+  TaskEither<IError, List<Project>> findAll();
+}

backend-dart/lib/domain/repository/project_task_repository.dart

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+import 'package:fpdart/fpdart.dart';
+import 'package:backend_dart/domain/entities/project_task.dart';
+import 'package:backend_dart/domain/interface/error.dart';
+
+abstract class ProjectTaskRepository {
+  /// Creates a new project task.
+  TaskEither<IError, ProjectTask> create(ProjectTaskCreate task);
+
+  /// Finds a project task by its unique ID.
+  TaskEither<IError, ProjectTask> findById(String id);
+
+  /// Finds all tasks for a specific project.
+  TaskEither<IError, List<ProjectTask>> findByProjectId(String projectId);
+
+  /// Updates an existing project task.
+  TaskEither<IError, ProjectTask> update(ProjectTaskUpdate task);
+
+  /// Deletes a project task by its unique ID.
+  TaskEither<IError, void> delete(String id);
+
+  /// Finds all project tasks.
+  TaskEither<IError, List<ProjectTask>> findAll();
+}

backend-dart/lib/domain/repository/time_entry_repository.dart

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+import 'package:fpdart/fpdart.dart';
+import 'package:backend_dart/domain/entities/time_entry.dart';
+import 'package:backend_dart/domain/interface/error.dart';
+
+abstract class TimeEntryRepository {
+  /// Creates a new time entry.
+  TaskEither<IError, TimeEntry> create(TimeEntryCreate timeEntry);
+
+  /// Finds a time entry by its unique ID.
+  TaskEither<IError, TimeEntry> findById(String id);
+
+  /// Finds all time entries for a specific user.
+  TaskEither<IError, List<TimeEntry>> findByUserId(String userId);
+
+  /// Finds all time entries for a specific project.
+  TaskEither<IError, List<TimeEntry>> findByProjectId(String projectId);
+
+  /// Updates an existing time entry.
+  TaskEither<IError, TimeEntry> update(TimeEntryUpdate timeEntry);
+
+  /// Deletes a time entry by its unique ID.
+  TaskEither<IError, void> delete(String id);
+
+  /// Finds all time entries.
+  TaskEither<IError, List<TimeEntry>> findAll();
+}