45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
// Package database define database operation functions
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package database
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import (
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"context"
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"sync"
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"time"
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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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var (
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mongoOnce sync.Once
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_globalMongoClient *mongo.Client
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_globalMongoMu sync.RWMutex
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)
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// MongoDBClient returns the global MongoDB client.It's safe for concurrent use.
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func MongoDBClient() *mongo.Client {
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_globalMongoMu.RLock()
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client := _globalMongoClient
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_globalMongoMu.RUnlock()
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return client
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}
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// GetMongoDBInstance return instance of MongoDB client
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func GetMongoDBInstance(ctx context.Context, mongoDBURI string) *mongo.Client {
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mongoOnce.Do(func() {
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_globalMongoClient = initMongoDBClient(ctx, mongoDBURI)
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})
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return _globalMongoClient
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}
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// initMongoDBClient return successfully initialized MongoDB client
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func initMongoDBClient(ctx context.Context, mongoDBURI string) *mongo.Client {
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ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
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defer cancel()
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mongoDBClient, err := mongo.Connect(ctx, options.Client().ApplyURI(mongoDBURI))
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if err != nil {
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panic(err)
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}
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return mongoDBClient
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}
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