Refactored the task service to support the selection of an event, renamed to [CurrentSelectionService]. Created the event screen

lib/src/blocs/event_bloc.dart

@@ -0,0 +1,6 @@
+import 'dart:async';
+
+import '../resources/firestore_provider.dart';
+import '../resources/firebase_storage_provider.dart';
+
+class EventBloc {}

lib/src/blocs/home_bloc.dart

@@ -5,7 +5,7 @@ import 'package:rxdart/rxdart.dart';
 import '../models/task_model.dart';
 import '../resources/firestore_provider.dart';
 import '../services/auth_service.dart';
-import '../services/current_task_service.dart';
+import '../services/current_selection_service.dart';
 
 export '../services/auth_service.dart' show FirebaseUser;
 
@@ -20,7 +20,7 @@ class HomeBloc {
   final FirestoreProvider _repository = firestoreProvider;
 
   /// An instance of the current task service.
-  final CurrentTaskService _taskService = currentTaskService;
+  final CurrentSelectionService _selectionService = currentSelectionService;
 
   /// A subject of list of task model.
   final _tasks = BehaviorSubject<List<TaskModel>>();
@@ -60,6 +60,7 @@ class HomeBloc {
     });
   }
 
+  // TODO: Include the priority in the filtering.
   /// Returns a stream transformer that filters the task with the text from
   /// the search box.
   StreamTransformer<List<TaskModel>, List<TaskModel>> searchBoxTransformer() {
@@ -114,7 +115,7 @@ class HomeBloc {
 
   /// Sets the global current task.
   void updateCurrentTask(TaskModel task) {
-    _taskService.setTask(task);
+    _selectionService.updateSelectedTask(task);
   }
 
   /// Updates the serach box text.

lib/src/blocs/task_bloc.dart

@@ -7,7 +7,7 @@ import '../models/task_model.dart';
 import '../models/user_model.dart';
 import '../resources/firestore_provider.dart';
 import '../services/auth_service.dart';
-import '../services/current_task_service.dart';
+import '../services/current_selection_service.dart';
 
 /// Business logic component that manages the state for the task screen.
 class TaskBloc extends Object with Validators {
@@ -18,7 +18,7 @@ class TaskBloc extends Object with Validators {
   final FirestoreProvider _firestore = firestoreProvider;
 
   /// An instance of the current task service.
-  final CurrentTaskService _taskService = currentTaskService;
+  final CurrentSelectionService _selectionService = currentSelectionService;
 
   /// A subject of user model.
   final _user = BehaviorSubject<UserModel>();
@@ -33,7 +33,7 @@ class TaskBloc extends Object with Validators {
   TaskPriority priority = TaskPriority.high;
 
   /// The text of the current global task.
-  String get textInitialValue => _taskService.task.text;
+  String get textInitialValue => _selectionService.task.text;
 
   //Stream getters.
   /// An observable of the current user model.
@@ -72,7 +72,7 @@ class TaskBloc extends Object with Validators {
   Future<void> submit(isEdit) {
     if (isEdit) {
       return _firestore.updateTask(
-        _taskService.task.id,
+        _selectionService.task.id,
         text: _taskText.value,
         priority: TaskModel.ecodedPriority(priority),
       );
@@ -97,7 +97,7 @@ class TaskBloc extends Object with Validators {
   /// Grabs the data from the current global task and pipes it to the local
   /// streams.
   void populateWithCurrentTask() {
-    TaskModel currentTask = _taskService.task;
+    TaskModel currentTask = _selectionService.task;
     if (currentTask != null) {
       changeEventName(currentTask.event);
       changeTaskText(currentTask.text);

lib/src/screens/event_screen.dart

@@ -0,0 +1,5 @@
+import 'package:flutter/material.dart';
+
+class EventScreen extends StatelessWidget {
+  Widget build(BuildContext context) {}
+}

lib/src/services/current_selection_service.dart

@@ -0,0 +1,32 @@
+import '../models/event_model.dart';
+import '../models/task_model.dart';
+
+/// A service that keeps track of the current user selection.
+///
+/// When editing a task or when navigating to an event screen, the new screens
+/// can grab the user selection for this service.
+class CurrentSelectionService {
+  /// The current selected task.
+  TaskModel _selectedTask;
+
+  /// The current selected event.
+  EventModel _selectedEvent;
+
+  /// The current selected task.
+  TaskModel get task => _selectedTask;
+
+  /// The current selected event.
+  EventModel get event => _selectedEvent;
+
+  /// Updates the current selected task.
+  void updateSelectedTask(TaskModel newTask) {
+    _selectedTask = newTask;
+  }
+
+  // Updates the current selected event.
+  void updateSelectedEvent(EventModel newEvent) {
+    _selectedEvent = newEvent;
+  }
+}
+
+final currentSelectionService = CurrentSelectionService();

lib/src/services/current_task_service.dart

@@ -1,17 +0,0 @@
-import '../models/task_model.dart';
-
-/// A service that keeps track of the current selected task.
-class CurrentTaskService {
-  /// The current selected task.
-  TaskModel _currentTask;
-
-  /// The current selected task.
-  TaskModel get task => _currentTask;
-
-  /// Sets the current selected task.
-  void setTask(TaskModel newTask) {
-    _currentTask = newTask;
-  }
-}
-
-final currentTaskService = CurrentTaskService();