add missing tables, functionality for sleep save and read

lib/service/database_service.dart

@@ -7,6 +7,8 @@ import 'package:sqflite/sqflite.dart';
 import 'package:path_provider/path_provider.dart';
 import 'dart:io';
 
+import '../models/sleep.dart';
+
 class DatabaseService {
   DatabaseService._privateConstructor();
   static final DatabaseService instance = DatabaseService._privateConstructor();
@@ -17,35 +19,90 @@ class DatabaseService {
   Future<Database> _initDatabase() async {
     Directory documentsDirectory = await getApplicationDocumentsDirectory();
     String path = join(documentsDirectory.path, 'database.db');
-    return await openDatabase(
-      path,
-      version: 1,
-      onCreate: _onCreate,
-    );
+    return await openDatabase(path,
+        version: 1, onCreate: _onCreate, onOpen: _createTablesIfNotExists);
   }
 
   Future _onCreate(Database db, int version) async {
-    await db.execute('''
-      CREATE TABLE mood(
-        id INTEGER PRIMARY KEY,
-        value INTEGER,
-        date TEXT,
-        comment TEXT
-      )
-    ''');
+    await _createTablesIfNotExists(db);
   }
 
+  Future _createTablesIfNotExists(Database db) async {
+    await db.execute(_createMoodTable);
+    await db.execute(_createSleepTable);
+    await db.execute(_createRelapseTable);
+    await db.execute(_createWorkoutTable);
+  }
+
+  //TODO use generic function?
   Future<List<Mood>> getMoodRecords() async {
     Database db = await instance.database;
     var moodRecords = await db.query('mood');
     List<Mood> moodList = moodRecords.isNotEmpty
-        ? moodRecords.map((e) => Mood(1, 'comment', DateTime.now())).toList()
+        ? moodRecords.map((e) => Mood.fromDatabase(e)).toList()
         : [];
     return moodList;
   }
 
+  Future<List<Sleep>> getSleepRecords() async {
+    Database db = await instance.database;
+    var sleepRecords = await db.query('sleep');
+    List<Sleep> sleepList = sleepRecords.isNotEmpty
+        ? sleepRecords.map((e) => Sleep.fromDatabase(e)).toList()
+        : [];
+    return sleepList;
+  }
+
   Future<int> addMood(Mood mood) async {
     Database db = await instance.database;
     return await db.insert('mood', mood.toMap());
   }
+
+  Future<int> addSleep(Sleep sleep) async {
+    Database db = await instance.database;
+    return await db.insert('sleep', sleep.toMap());
   }
+}
+
+String _createMoodTable = '''
+      CREATE TABLE IF NOT EXISTS mood(
+        id INTEGER PRIMARY KEY,
+        value INTEGER,
+        date TEXT,
+        comment TEXT
+      )
+    ''';
+
+String _createSleepTable = '''
+      CREATE TABLE IF NOT EXISTS sleep(
+        id INTEGER PRIMARY KEY,
+        value INTEGER,
+        date TEXT,
+        comment TEXT,
+        sleepedAtHour INTEGER,
+        sleepedAtMinute INTEGER,
+        wokeUpAtHour INTEGER,
+        wokeUpAtMinute INTEGER
+      )
+    ''';
+
+String _createRelapseTable = '''
+      CREATE TABLE IF NOT EXISTS relapse(
+        id INTEGER PRIMARY KEY,
+        date TEXT,
+        comment TEXT,
+        reason TEXT
+      )
+    ''';
+
+String _createWorkoutTable = '''
+      CREATE TABLE IF NOT EXISTS workout(
+        id INTEGER PRIMARY KEY,
+        date TEXT,
+        motivationBefore INTEGER,
+        commentBefore TEXT,
+        motivationAfter INTEGER,
+        commentAfter TEXT,
+        completed INTEGER
+      )
+    ''';