49 lines
1.2 KiB
Dart
49 lines
1.2 KiB
Dart
import 'dart:convert';
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import 'package:drift/drift.dart';
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import 'package:flutter/widgets.dart';
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import 'package:json_annotation/json_annotation.dart';
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class IconDataJsonConverter
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implements JsonConverter<IconData, Map<String, dynamic>> {
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const IconDataJsonConverter();
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@override
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IconData fromJson(Map<String, dynamic> json) {
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return IconData(
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json['codePoint'] as int,
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fontFamily: json['fontFamily'] as String,
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fontPackage: json['fontPackage'] as String,
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);
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}
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@override
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Map<String, dynamic> toJson(IconData iconData) {
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return <String, dynamic>{
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'codePoint': iconData.codePoint,
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'fontFamily': iconData.fontFamily,
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'fontPackage': iconData.fontPackage,
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};
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}
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}
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class IconDataTypeConverter implements TypeConverter<IconData, String> {
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const IconDataTypeConverter();
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@override
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IconData fromSql(String fromDb) {
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final json = jsonDecode(fromDb) as Map<String, dynamic>;
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return const IconDataJsonConverter().fromJson(json);
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}
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@override
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String toSql(IconData value) {
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assert(
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value.fontFamily != null,
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'Font family must be provided to identify icon',
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);
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return jsonEncode(const IconDataJsonConverter().toJson(value));
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}
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}
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