Add basic CRUD with sqlite

lib/edit_set.dart

@@ -1,13 +1,13 @@
 import 'package:flutter/material.dart';
-import 'package:fmassive/home_page.dart';
+import 'package:fmassive/gym_set.dart';
 
 class EditGymSetPage extends StatefulWidget {
   final GymSet gymSet;
 
-  EditGymSetPage({required this.gymSet});
+  const EditGymSetPage({required this.gymSet, super.key});
 
   @override
-  _EditGymSetPageState createState() => _EditGymSetPageState();
+  createState() => _EditGymSetPageState();
 }
 
 class _EditGymSetPageState extends State<EditGymSetPage> {
@@ -16,17 +16,18 @@ class _EditGymSetPageState extends State<EditGymSetPage> {
   final TextEditingController _weightController = TextEditingController();
 
   late GymSet _editedGymSet;
+  late GymSetDatabaseHelper _db;
 
   @override
   void initState() {
     super.initState();
-    // Initialize the edited GymSet object with the values from the input GymSet object
+    _db = GymSetDatabaseHelper.instance;
     _editedGymSet = GymSet(
+        id: widget.gymSet.id,
         name: widget.gymSet.name,
         reps: widget.gymSet.reps,
         weight: widget.gymSet.weight,
         created: DateTime.now());
-    // Set the text controller values
     _nameController.text = _editedGymSet.name;
     _repsController.text = _editedGymSet.reps.toString();
     _weightController.text = _editedGymSet.weight.toString();
@@ -35,9 +36,15 @@ class _EditGymSetPageState extends State<EditGymSetPage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(
+      appBar: AppBar(title: const Text('Edit Gym Set'), actions: [
-        title: Text('Edit Gym Set'),
+        IconButton(
-      ),
+            onPressed: () async {
+              await _db.delete(_editedGymSet);
+              if (!mounted) return;
+              Navigator.pop(context, _editedGymSet);
+            },
+            icon: const Icon(Icons.delete))
+      ]),
       body: Padding(
         padding: const EdgeInsets.all(16.0),
         child: Column(
@@ -76,7 +83,13 @@ class _EditGymSetPageState extends State<EditGymSetPage> {
         ),
       ),
       floatingActionButton: FloatingActionButton(
-        onPressed: () {
+        onPressed: () async {
+          print('edited gym set id: ${_editedGymSet.id}');
+          if (_editedGymSet.id != null)
+            await _db.update(_editedGymSet);
+          else
+            await _db.insert(_editedGymSet);
+          if (!mounted) return;
           Navigator.pop(context, _editedGymSet);
         },
         child: const Icon(Icons.check),

lib/gym_set.dart

@@ -0,0 +1,103 @@
+import 'package:path/path.dart';
+import 'package:sqflite/sqflite.dart';
+
+class GymSet {
+  int? id; // added id for SQLite
+  String name;
+  int reps;
+  int weight;
+  DateTime created;
+
+  GymSet(
+      {this.id,
+      required this.name,
+      required this.reps,
+      required this.weight,
+      required this.created});
+}
+
+class GymSetDatabaseHelper {
+  static final _databaseName = "gym_set_database.db";
+  static final _databaseVersion = 1;
+
+  static final table = 'gym_sets';
+
+  static final columnId = '_id';
+  static final columnName = 'name';
+  static final columnReps = 'reps';
+  static final columnWeight = 'weight';
+  static final columnCreated = 'created';
+
+  GymSetDatabaseHelper._privateConstructor();
+  static final GymSetDatabaseHelper instance =
+      GymSetDatabaseHelper._privateConstructor();
+
+  static Database? _database;
+  Future<Database> get database async {
+    if (_database != null) return _database!;
+    _database = await _initDatabase();
+    return _database!;
+  }
+
+  _initDatabase() async {
+    String path = join(await getDatabasesPath(), _databaseName);
+    return await openDatabase(path,
+        version: _databaseVersion, onCreate: _onCreate);
+  }
+
+  Future _onCreate(Database db, int version) async {
+    await db.execute('''
+          CREATE TABLE $table (
+            $columnId INTEGER PRIMARY KEY,
+            $columnName TEXT NOT NULL,
+            $columnReps INTEGER NOT NULL,
+            $columnWeight INTEGER NOT NULL,
+            $columnCreated TEXT NOT NULL
+          )
+          ''');
+  }
+
+  Future<int> insert(GymSet gymSet) async {
+    Database db = await instance.database;
+    return await db.insert(table, {
+      columnName: gymSet.name,
+      columnReps: gymSet.reps,
+      columnWeight: gymSet.weight,
+      columnCreated: gymSet.created.toIso8601String()
+    });
+  }
+
+  Future<List<GymSet>> getAll() async {
+    Database db = await instance.database;
+    List<Map<String, dynamic>> result = await db.query(table);
+    return result
+        .map((gymSetMap) => GymSet(
+              id: gymSetMap[columnId],
+              name: gymSetMap[columnName],
+              reps: gymSetMap[columnReps],
+              weight: gymSetMap[columnWeight],
+              created: DateTime.parse(gymSetMap[columnCreated]),
+            ))
+        .toList();
+  }
+
+  Future<int> update(GymSet gymSet) async {
+    Database db = await instance.database;
+    return await db.update(
+        table,
+        {
+          columnName: gymSet.name,
+          columnReps: gymSet.reps,
+          columnWeight: gymSet.weight,
+          columnCreated: gymSet.created.toIso8601String()
+        },
+        where: '$columnId = ?',
+        whereArgs: [gymSet.id]);
+  }
+
+  Future<int> delete(GymSet gymSet) async {
+    Database db = await instance.database;
+    return await db
+        .delete(table, where: '$columnId = ?', whereArgs: [gymSet.id]);
+  }
+}

lib/home_page.dart

@@ -1,10 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:fmassive/edit_set.dart';
+import 'package:fmassive/gym_set.dart';
 
 class HomePage extends StatelessWidget {
   HomePage({super.key});
 
-  final List<Map<String, dynamic>> _pageData = [
+  final List<Map<String, dynamic>> routes = [
     {'title': 'Home', 'icon': Icons.home},
     {'title': 'Plans', 'icon': Icons.calendar_today},
     {'title': 'Best', 'icon': Icons.star},
@@ -17,19 +18,19 @@ class HomePage extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(_pageData[0]['title']),
+        title: Text(routes[0]['title']),
       ),
       drawer: Drawer(
         child: ListView.builder(
-          itemCount: _pageData.length,
+          itemCount: routes.length,
           itemBuilder: (context, index) {
             return ListTile(
-              leading: Icon(_pageData[index]['icon']),
+              leading: Icon(routes[index]['icon']),
-              title: Text(_pageData[index]['title']),
+              title: Text(routes[index]['title']),
               onTap: () {
                 Navigator.pop(context);
                 Navigator.pushNamed(
-                    context, '/${_pageData[index]['title'].toLowerCase()}');
+                    context, '/${routes[index]['title'].toLowerCase()}');
               },
             );
           },
@@ -42,130 +43,105 @@ class HomePage extends StatelessWidget {
   }
 }
 
-class GymSet {
-  String name;
-  int reps;
-  int weight;
-  DateTime created;
-
-  GymSet(
-      {required this.name,
-      required this.reps,
-      required this.weight,
-      required this.created});
-}
-
 class GymSetPage extends StatefulWidget {
   const GymSetPage({Key? key}) : super(key: key);
 
   @override
-  _GymSetPageState createState() => _GymSetPageState();
+  createState() => GymSetPageState();
 }
 
-class _GymSetPageState extends State<GymSetPage> {
+class GymSetPageState extends State<GymSetPage> {
-  final List<GymSet> _gymSets = [
+  late GymSetDatabaseHelper db;
-    GymSet(
+  List<GymSet> sets = [];
-        name: "Bench press",
-        reps: 10,
-        weight: 50,
-        created: DateTime(2022, 1, 1)),
-    GymSet(
-        name: "Bench press",
-        reps: 8,
-        weight: 60,
-        created: DateTime(2022, 1, 2)),
-    GymSet(
-        name: "Bench press",
-        reps: 6,
-        weight: 70,
-        created: DateTime(2022, 1, 3)),
-    GymSet(
-        name: "Shoulder press",
-        reps: 12,
-        weight: 40,
-        created: DateTime(2022, 1, 4)),
-    GymSet(
-        name: "Shoulder press",
-        reps: 15,
-        weight: 35,
-        created: DateTime(2022, 1, 5)),
-  ];
 
-  List<GymSet> _searchResults = [];
+  List<GymSet> searchResults = [];
 
-  final TextEditingController _searchController = TextEditingController();
+  final TextEditingController searchController = TextEditingController();
 
-  void _searchGymSets(String searchQuery) {
+  void search(String searchQuery) {
     List<GymSet> results = [];
 
     if (searchQuery.isEmpty) {
-      results = _gymSets;
+      results = sets;
     } else {
-      for (int i = 0; i < _gymSets.length; i++) {
+      for (int i = 0; i < sets.length; i++) {
-        if (_gymSets[i].reps.toString().contains(searchQuery) ||
+        if (sets[i].reps.toString().contains(searchQuery) ||
-            _gymSets[i].weight.toString().contains(searchQuery) ||
+            sets[i].weight.toString().contains(searchQuery) ||
-            _gymSets[i].created.toString().contains(searchQuery) ||
+            sets[i].created.toString().contains(searchQuery) ||
-            _gymSets[i].name.contains(searchQuery)) {
+            sets[i].name.contains(searchQuery)) {
-          results.add(_gymSets[i]);
+          results.add(sets[i]);
         }
       }
     }
 
     setState(() {
-      _searchResults = results;
+      searchResults = results;
+    });
+  }
+
+  void reset() async {
+    print('Resetting...');
+    final data = await db.getAll();
+    setState(() {
+      sets = data;
+      searchResults = data;
     });
   }
 
   @override
   void initState() {
     super.initState();
-
+    db = GymSetDatabaseHelper.instance;
-    // Initialize the search results to all the gym sets
+    reset();
-    _searchResults = _gymSets;
   }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
         appBar: AppBar(
-          automaticallyImplyLeading: false,
           title: TextField(
-            controller: _searchController,
+            controller: searchController,
             decoration: const InputDecoration(
               hintText: 'Search Gym Sets',
               border: InputBorder.none,
             ),
             onChanged: (searchQuery) {
-              _searchGymSets(searchQuery);
+              search(searchQuery);
             },
           ),
         ),
         body: ListView.builder(
-          itemCount: _searchResults.length,
+          itemCount: searchResults.length,
           itemBuilder: (context, index) {
             return ListTile(
                 title: Text(
-                    '${_searchResults[index].name}: ${_searchResults[index].reps}x${_searchResults[index].weight}kg'),
+                    '${searchResults[index].name}: ${searchResults[index].reps}x${searchResults[index].weight}kg'),
-                onTap: () {
+                onTap: () async {
-                  Navigator.push(
+                  await Navigator.push(
                     context,
                     MaterialPageRoute(
                       builder: (context) =>
-                          EditGymSetPage(gymSet: _searchResults[index]),
+                          EditGymSetPage(gymSet: searchResults[index]),
                     ),
                   );
+                  reset();
                 });
           },
         ),
         floatingActionButton: FloatingActionButton(
-            onPressed: () {
+            onPressed: () async {
-              Navigator.push(
+              await Navigator.push(
                 context,
                 MaterialPageRoute(
-                  builder: (context) =>
+                  builder: (context) => EditGymSetPage(
-                      EditGymSetPage(gymSet: _searchResults[0]),
+                      gymSet: GymSet(
+                          name: '',
+                          reps: 0,
+                          weight: 0,
+                          created: DateTime.now())),
                 ),
               );
+              reset();
             },
             child: const Icon(Icons.add)));
   }

lib/main.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:fmassive/best_page.dart';
 import 'package:fmassive/edit_set.dart';
+import 'package:fmassive/gym_set.dart';
 import 'package:fmassive/home_page.dart';
 import 'package:fmassive/plans_page.dart';
 import 'package:fmassive/settings_page.dart';

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,8 @@
 import FlutterMacOS
 import Foundation
 
+import sqflite
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
 }

pubspec.lock

@@ -116,7 +116,7 @@ packages:
     source: hosted
     version: "1.8.0"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b
@@ -136,6 +136,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
+  sqflite:
+    dependency: "direct main"
+    description:
+      name: sqflite
+      sha256: "500d6fec583d2c021f2d25a056d96654f910662c64f836cd2063167b8f1fa758"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.6"
+  sqflite_common:
+    dependency: transitive
+    description:
+      name: sqflite_common
+      sha256: "963dad8c4aa2f814ce7d2d5b1da2f36f31bd1a439d8f27e3dc189bb9d26bc684"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3"
   stack_trace:
     dependency: transitive
     description:
@@ -160,6 +176,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
+  synchronized:
+    dependency: transitive
+    description:
+      name: synchronized
+      sha256: "33b31b6beb98100bf9add464a36a8dd03eb10c7a8cf15aeec535e9b054aaf04b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
   term_glyph:
     dependency: transitive
     description:
@@ -186,3 +210,4 @@ packages:
     version: "2.1.4"
 sdks:
   dart: ">=2.19.5 <3.0.0"
+  flutter: ">=3.3.0"

pubspec.yaml

@@ -34,6 +34,8 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
+  path: ^1.8.2
+  sqflite: ^2.2.6
 
 dev_dependencies:
   flutter_test: