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68 lines
1.5 KiB
68 lines
1.5 KiB
package dorm
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import (
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"context"
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"errors"
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"fmt"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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)
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// MongoClientFun *MongoClient 驱动
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// string 库名
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type MongoClientFun func() (*MongoClient, string)
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// MongoClientCollectionFun *MongoClient 驱动
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// string 库名
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// string 集合
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type MongoClientCollectionFun func() (*MongoClient, string, string)
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// MongoClientConfig 实例配置
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type MongoClientConfig struct {
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Dns string // 地址
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Opts *options.ClientOptions
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DatabaseName string // 库名
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}
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// MongoClient 实例
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type MongoClient struct {
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db *mongo.Client // 驱动
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configDatabaseName string // 库名
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}
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// NewMongoClient 创建实例
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func NewMongoClient(config *MongoClientConfig) (*MongoClient, error) {
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var ctx = context.Background()
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var err error
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c := &MongoClient{}
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c.configDatabaseName = config.DatabaseName
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// 连接到MongoDB
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if config.Dns != "" {
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c.db, err = mongo.Connect(ctx, options.Client().ApplyURI(config.Dns))
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if err != nil {
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return nil, errors.New(fmt.Sprintf("连接失败:%v", err))
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}
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} else {
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c.db, err = mongo.Connect(ctx, config.Opts)
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if err != nil {
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return nil, errors.New(fmt.Sprintf("连接失败:%v", err))
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}
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}
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// 检查连接
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err = c.db.Ping(ctx, nil)
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if err != nil {
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return nil, errors.New(fmt.Sprintf("检查连接失败:%v", err))
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}
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return c, nil
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}
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// Close 关闭
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func (c *MongoClient) Close(ctx context.Context) error {
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return c.db.Disconnect(ctx)
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}
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