103 lines
2.8 KiB
Dart
103 lines
2.8 KiB
Dart
import 'dart:async';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../../core/network/dio_client.dart';
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class UnitOfMeasure {
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final int? id;
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final int? userId;
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final String name;
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final String? abbreviation;
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UnitOfMeasure({
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this.id,
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this.userId,
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required this.name,
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this.abbreviation,
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});
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factory UnitOfMeasure.fromJson(Map<String, dynamic> json) {
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return UnitOfMeasure(
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id: json['id'],
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userId: json['userId'] ?? json['user_id'],
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name: json['name'] ?? '',
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abbreviation: json['abbreviation'],
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'userId': userId,
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'name': name,
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'abbreviation': abbreviation,
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};
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}
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String get displayName => abbreviation != null && abbreviation!.isNotEmpty ? '$name ($abbreviation)' : name;
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}
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class UomsNotifier extends AsyncNotifier<List<UnitOfMeasure>> {
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@override
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FutureOr<List<UnitOfMeasure>> build() async {
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return _fetchUoms();
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}
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Future<List<UnitOfMeasure>> _fetchUoms() async {
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try {
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final response = await DioClient().dio.get('/inventory/uom');
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if (response.statusCode == 200) {
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final List<dynamic> data = response.data;
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final list = data.map((e) => UnitOfMeasure.fromJson(e)).toList();
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if (list.isNotEmpty) {
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return list;
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}
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}
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} catch (_) {}
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// If empty in database, seed standard units of measure
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try {
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final defaults = [
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{'name': 'Grams', 'abbreviation': 'g'},
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{'name': 'Kilograms', 'abbreviation': 'kg'},
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{'name': 'Pieces', 'abbreviation': 'pcs'},
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{'name': 'Carats', 'abbreviation': 'ct'},
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{'name': 'Milligrams', 'abbreviation': 'mg'},
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];
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for (final def in defaults) {
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await DioClient().dio.post('/inventory/uom', data: def);
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}
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final response = await DioClient().dio.get('/inventory/uom');
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if (response.statusCode == 200) {
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final List<dynamic> data = response.data;
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return data.map((e) => UnitOfMeasure.fromJson(e)).toList();
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}
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} catch (_) {}
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return [];
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}
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Future<void> refresh() async {
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state = const AsyncValue.loading();
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state = await AsyncValue.guard(() => _fetchUoms());
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}
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Future<UnitOfMeasure?> createUom(String name, String abbreviation) async {
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try {
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final response = await DioClient().dio.post(
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'/inventory/uom',
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data: {'name': name, 'abbreviation': abbreviation},
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);
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if (response.statusCode == 200 || response.statusCode == 201) {
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final newUom = UnitOfMeasure.fromJson(response.data);
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await refresh();
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return newUom;
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}
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} catch (_) {}
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return null;
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}
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}
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final uomsProvider = AsyncNotifierProvider<UomsNotifier, List<UnitOfMeasure>>(() {
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return UomsNotifier();
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});
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