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CRUD working

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Odweta
2026-03-22 20:05:31 +01:00
parent 0219155f8e
commit a95d899ac5
11 changed files with 462 additions and 11 deletions
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frontend/lib/pages/add.dart
+78 -1
View File
@@ -1,10 +1,87 @@
import 'package:flutter/material.dart';
import 'package:frontend/provider/quote_provider.dart';
import 'package:frontend/model/quote.dart';
import 'package:frontend/strings.dart';
class AddPage extends StatelessWidget {
const AddPage({super.key});
@override
Widget build(BuildContext context) {
return const Center(child: Text('add page!'));
final bodyController = TextEditingController(text: '');
final authorController = TextEditingController(text: '');
final provider = QuoteProvider();
return Card(
margin: const EdgeInsets.all(16),
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
Strings.createQuote,
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 12),
TextField(
autofocus: true,
controller: bodyController,
decoration: const InputDecoration(
labelText: Strings.quote,
),
),
const SizedBox(height: 8),
TextField(
controller: authorController,
decoration: const InputDecoration(
labelText: Strings.author,
),
),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
TextButton(
onPressed: () {
bodyController.clear();
authorController.clear();
},
child: const Text(Strings.cancel),
),
const SizedBox(width: 8),
ElevatedButton(
onPressed: () {
final quote = Quote(
id: 0,
body: bodyController.text,
author: authorController.text,
);
provider.createQuote(quote);
bodyController.clear();
authorController.clear();
},
child: const Text(Strings.save),
),
],
),
],
),
),
);
}
}
frontend/lib/pages/list.dart
+144 -1
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@@ -1,10 +1,153 @@
import 'package:flutter/material.dart';
import 'package:frontend/provider/quote_provider.dart';
import 'package:frontend/model/quote.dart';
import 'package:frontend/strings.dart';
import 'package:provider/provider.dart';
class ListPage extends StatelessWidget {
const ListPage({super.key});
@override
Widget build(BuildContext context) {
return Center(child: const Text('list page!'));
final provider = context.watch<QuoteProvider>();
return RefreshIndicator(
onRefresh: () async {
await provider.readQuotes();
},
child: _bodyBuilder(provider),
);
}
Widget _bodyBuilder(QuoteProvider provider) {
if (provider.loading) {
return Center(child: CircularProgressIndicator());
}
if (provider.error != null) {
return Center(child: Text(provider.error!));
}
return
ListView.builder(
itemCount: provider.quotes.length,
itemBuilder: (context, index) {
final quote = provider.quotes[index];
return
ListTile(
title: Text(quote.body),
subtitle: Text("– ${quote.author}"),
trailing: PopupMenuButton<String>(
icon: const Icon(Icons.more_vert),
onSelected: (value) {
if (value == 'update') {
// open a dialog window that allows for mods
_showUpdateDialog(context, provider, quote);
} else if (value == 'delete') {
// open a confirmation dialog window for deletion
_showDeleteDialog(context, provider, quote);
}
},
itemBuilder: (context) => [
const PopupMenuItem(
value: 'update',
child: Row(
children: [
Icon(Icons.edit),
SizedBox(width: 10),
Text(Strings.updateQuote),
],
),
),
const PopupMenuItem(
value: 'delete',
child: Row(
children: [
Icon(Icons.delete),
SizedBox(width: 10),
Text(Strings.deleteQuote),
],
),
),
],
)
);
},
);
}
void _showUpdateDialog(BuildContext context, QuoteProvider provider, Quote quote) {
final bodyController = TextEditingController(text: quote.body);
final authorController = TextEditingController(text: quote.author);
showDialog(
context: context,
builder: (context) {
return AlertDialog(
title: Text(Strings.updateQuote),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
TextField(
autofocus: true,
controller: bodyController,
),
TextField(
controller: authorController,
),
],
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text(Strings.cancel),
),
ElevatedButton(
onPressed: () {
final updatedQuote = Quote(
id: quote.id,
body: bodyController.text,
author: authorController.text,
);
Navigator.pop(context);
provider.updateQuote(updatedQuote);
},
child: const Text(Strings.save),
),
],
);
},
);
}
void _showDeleteDialog(BuildContext context, QuoteProvider provider, Quote quote) {
showDialog(
context: context,
builder: (context) {
return AlertDialog(
title: const Text('${Strings.deleteQuote}?'),
content: const Text(Strings.noUndo),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text(Strings.cancel),
),
ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.red,
),
onPressed: () {
Navigator.pop(context);
provider.deleteQuote(quote);
},
child: const Text(Strings.delete),
),
],
);
},
);
}
}