78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
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package database
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import (
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"context"
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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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"go.mongodb.org/mongo-driver/mongo/readpref"
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"time"
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)
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var _ MongoDB = (*mongoDB)(nil)
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type MongoDB interface {
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i()
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GetDB() *mongo.Database
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Close() error
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}
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type MongoDBConfig struct {
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Addr string `yaml:"addr"`
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User string `yaml:"user"`
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Pass string `yaml:"pass"`
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Name string `yaml:"name"`
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Timeout time.Duration `yaml:"timeout"`
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}
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type mongoDB struct {
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client *mongo.Client
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db *mongo.Database
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timeout time.Duration
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}
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func (m *mongoDB) i() {}
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func NewMongoDB(cfg MongoDBConfig) (MongoDB, error) {
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timeout := cfg.Timeout * time.Second
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connectCtx, connectCancelFunc := context.WithTimeout(context.Background(), timeout)
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defer connectCancelFunc()
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var auth string
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if len(cfg.User) > 0 && len(cfg.Pass) > 0 {
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auth = fmt.Sprintf("%s:%s@", cfg.User, cfg.Pass)
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}
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client, err := mongo.Connect(connectCtx, options.Client().ApplyURI(
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fmt.Sprintf("mongodb://%s%s", auth, cfg.Addr),
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))
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if err != nil {
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return nil, err
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}
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pingCtx, pingCancelFunc := context.WithTimeout(context.Background(), timeout)
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defer pingCancelFunc()
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err = client.Ping(pingCtx, readpref.Primary())
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if err != nil {
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return nil, err
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}
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return &mongoDB{
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client: client,
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db: client.Database(cfg.Name),
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timeout: timeout,
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}, nil
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}
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func (m *mongoDB) GetDB() *mongo.Database {
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return m.db
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}
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func (m *mongoDB) Close() error {
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disconnectCtx, disconnectCancelFunc := context.WithTimeout(context.Background(), m.timeout)
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defer disconnectCancelFunc()
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err := m.client.Disconnect(disconnectCtx)
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if err != nil {
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return err
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}
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return nil
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}
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