79 lines
2.1 KiB
Dart
79 lines
2.1 KiB
Dart
import 'package:EasyDartModule/base/database/DataBase.dart';
|
|
import 'package:mongo_dart/mongo_dart.dart';
|
|
|
|
class MongoDb implements DataBase {
|
|
final DataBaseConfig config;
|
|
final Db db;
|
|
MongoDb(this.config)
|
|
: db = Db(
|
|
"mongodb://${config.userName}:${config.password}@${config.host}/${config.dataBase}?authSource=admin") {
|
|
connect(false);
|
|
}
|
|
|
|
bool isConnected() {
|
|
return db.isConnected;
|
|
}
|
|
|
|
void connect(reconnect) {
|
|
if (reconnect) {
|
|
print("尝试重连MongoDb");
|
|
}
|
|
Future.delayed(Duration(seconds: 1), () async {
|
|
try {
|
|
await db.open();
|
|
print('MongoDb Connected successfully!');
|
|
//定时检测数据库是否断开
|
|
do {
|
|
await Future.delayed(Duration(seconds: 5));
|
|
} while (db.isConnected);
|
|
connect(true);
|
|
} catch (e) {
|
|
print('MongoDb Connection error: $e');
|
|
connect(reconnect);
|
|
}
|
|
});
|
|
}
|
|
|
|
DbCollection getCollection(String name) {
|
|
return db.collection(name);
|
|
}
|
|
|
|
@override
|
|
Future<void> delete(String table, dynamic condition) async {
|
|
await getCollection(table).deleteMany(condition);
|
|
}
|
|
|
|
@override
|
|
Future<void> insert(String table, Map<String, dynamic> data) async {
|
|
await getCollection(table).insert(data);
|
|
}
|
|
|
|
@override
|
|
Future<List<Map<String, dynamic>>> query(String table,
|
|
{dynamic condition}) async {
|
|
if (condition == null) {
|
|
return await getCollection(table).find().toList();
|
|
}
|
|
if (condition is AggregationPipelineBuilder) {
|
|
return await getCollection(table)
|
|
.aggregateToStream(condition.build())
|
|
.toList();
|
|
} else {
|
|
return await getCollection(table).find(condition).toList();
|
|
}
|
|
}
|
|
|
|
@override
|
|
Future<void> update(
|
|
String table, Map<String, dynamic> data, dynamic condition,
|
|
{bool multiUpdate = false}) async {
|
|
await getCollection(table)
|
|
.update(condition, data, multiUpdate: multiUpdate);
|
|
}
|
|
|
|
@override
|
|
Future<int> count(String tbale, {dynamic condition}) async {
|
|
return await getCollection(tbale).count(condition);
|
|
}
|
|
}
|