grain/server/db/db.go

package db

import (
	"context"
	"fmt"

	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
)

// Initialize MongoDB client
func InitDB(uri, database string) (*mongo.Client, error) {
	clientOptions := options.Client().ApplyURI(uri)
	client, err := mongo.Connect(context.TODO(), clientOptions)
	if err != nil {
		return nil, err
	}

	// Check the connection
	err = client.Ping(context.TODO(), nil)
	if err != nil {
		return nil, err
	}
	fmt.Println("Connected to MongoDB!")

	return client, nil
}

// Disconnect from MongoDB
func DisconnectDB(client *mongo.Client) {
	if err := client.Disconnect(context.TODO()); err != nil {
		fmt.Println("Error disconnecting from MongoDB:", err)
	}
	fmt.Println("Disconnected from MongoDB!")
}