Upload files into yandex object storage (s3)

internal/service/s3/s3.go

@@ -0,0 +1,80 @@
+package s3
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/config"
+	"github.com/aws/aws-sdk-go-v2/credentials"
+	"github.com/aws/aws-sdk-go-v2/feature/s3/manager"
+	"github.com/aws/aws-sdk-go-v2/service/s3"
+)
+
+type S3Service struct {
+	client     *s3.Client
+	uploader   *manager.Uploader
+	bucketName string
+}
+
+func NewS3Service() (*S3Service, error) {
+	region := os.Getenv("AWS_REGION")
+	accessKey := os.Getenv("AWS_ACCESS_KEY_ID")
+	secretKey := os.Getenv("AWS_SECRET_ACCESS_KEY")
+	bucketName := os.Getenv("S3_BUCKET_NAME")
+	endpoint := os.Getenv("S3_ENDPOINT")
+
+	if region == "" || accessKey == "" || secretKey == "" || bucketName == "" {
+		return nil, fmt.Errorf("missing required S3 environment variables")
+	}
+
+	// Создаем конфигурацию
+	cfg, err := config.LoadDefaultConfig(context.TODO(),
+		config.WithRegion(region),
+		config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(accessKey, secretKey, "")),
+	)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load AWS config: %w", err)
+	}
+
+	// Создаем клиент S3
+	var client *s3.Client
+	if endpoint != "" {
+		// Кастомный endpoint (например, для MinIO)
+		client = s3.NewFromConfig(cfg, func(o *s3.Options) {
+			o.BaseEndpoint = aws.String(endpoint)
+			o.UsePathStyle = true
+		})
+	} else {
+		// Стандартный AWS S3
+		client = s3.NewFromConfig(cfg)
+	}
+
+	uploader := manager.NewUploader(client)
+
+	return &S3Service{
+		client:     client,
+		uploader:   uploader,
+		bucketName: bucketName,
+	}, nil
+}
+
+func (s *S3Service) UploadFile(filePath, fileName string) error {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return fmt.Errorf("failed to open file %s: %w", filePath, err)
+	}
+	defer file.Close()
+
+	_, err = s.uploader.Upload(context.TODO(), &s3.PutObjectInput{
+		Bucket: aws.String(s.bucketName),
+		Key:    aws.String(fileName),
+		Body:   file,
+	})
+	if err != nil {
+		return fmt.Errorf("failed to upload file to S3: %w", err)
+	}
+
+	return nil
+}