chen08209
58 lines
1.3 KiB
Dart
58 lines
1.3 KiB
Dart
part of 'database.dart';
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class StringMapConverter extends TypeConverter<Map<String, String>, String> {
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const StringMapConverter();
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@override
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Map<String, String> fromSql(String fromDb) {
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return Map<String, String>.from(json.decode(fromDb));
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}
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@override
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String toSql(Map<String, String> value) {
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return json.encode(value);
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}
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}
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class StringListConverter extends TypeConverter<List<String>, String> {
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const StringListConverter();
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@override
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List<String> fromSql(String fromDb) {
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return List<String>.from(json.decode(fromDb));
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}
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@override
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String toSql(List<String> value) {
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return json.encode(value.toList());
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}
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}
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class StringSetConverter extends TypeConverter<Set<String>, String> {
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const StringSetConverter();
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@override
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Set<String> fromSql(String fromDb) {
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return Set<String>.from(json.decode(fromDb));
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}
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@override
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String toSql(Set<String> value) {
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return json.encode(value.toList());
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}
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}
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class JsonMapConverter extends TypeConverter<Map<String, dynamic>, String> {
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const JsonMapConverter();
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@override
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Map<String, dynamic> fromSql(String fromDb) {
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return Map<String, dynamic>.from(json.decode(fromDb));
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}
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@override
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String toSql(Map<String, dynamic> value) {
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return json.encode(value);
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}
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}
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