Add basic CRUD with sqlite

2023-04-07 15:56:17 +12:00
parent 03eaa16842
commit 82ef2bf87c
7 changed files with 206 additions and 84 deletions
@@ -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(
-        title: Text('Edit Gym Set'),
-      ),
+      appBar: AppBar(title: const Text('Edit Gym Set'), actions: [
+        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),
@@ -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]);
+  }
+}
@@ -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']),
-              title: Text(_pageData[index]['title']),
+              leading: Icon(routes[index]['icon']),
+              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> {
-  final List<GymSet> _gymSets = [
-    GymSet(
-        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)),
-  ];
+class GymSetPageState extends State<GymSetPage> {
+  late GymSetDatabaseHelper db;
+  List<GymSet> sets = [];

-  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++) {
-        if (_gymSets[i].reps.toString().contains(searchQuery) ||
-            _gymSets[i].weight.toString().contains(searchQuery) ||
-            _gymSets[i].created.toString().contains(searchQuery) ||
-            _gymSets[i].name.contains(searchQuery)) {
-          results.add(_gymSets[i]);
+      for (int i = 0; i < sets.length; i++) {
+        if (sets[i].reps.toString().contains(searchQuery) ||
+            sets[i].weight.toString().contains(searchQuery) ||
+            sets[i].created.toString().contains(searchQuery) ||
+            sets[i].name.contains(searchQuery)) {
+          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();
-
-    // Initialize the search results to all the gym sets
-    _searchResults = _gymSets;
+    db = GymSetDatabaseHelper.instance;
+    reset();
  }

  @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'),
-                onTap: () {
-                  Navigator.push(
+                    '${searchResults[index].name}: ${searchResults[index].reps}x${searchResults[index].weight}kg'),
+                onTap: () async {
+                  await Navigator.push(
                    context,
                    MaterialPageRoute(
                      builder: (context) =>
-                          EditGymSetPage(gymSet: _searchResults[index]),
+                          EditGymSetPage(gymSet: searchResults[index]),
                    ),
                  );
+                  reset();
                });
          },
        ),
        floatingActionButton: FloatingActionButton(
-            onPressed: () {
-              Navigator.push(
+            onPressed: () async {
+              await Navigator.push(
                context,
                MaterialPageRoute(
-                  builder: (context) =>
-                      EditGymSetPage(gymSet: _searchResults[0]),
+                  builder: (context) => EditGymSetPage(
+                      gymSet: GymSet(
+                          name: '',
+                          reps: 0,
+                          weight: 0,
+                          created: DateTime.now())),
                ),
              );
+              reset();
            },
            child: const Icon(Icons.add)));
  }
@@ -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';