[feature] migrate to monorepo

backend/internal/storage/factory.go

@@ -0,0 +1,66 @@
+package storage
+
+import (
+    "context"
+    "fmt"
+
+    "github.com/aws/aws-sdk-go-v2/aws"
+    awsconfig "github.com/aws/aws-sdk-go-v2/config"
+    "github.com/aws/aws-sdk-go-v2/credentials"
+    "github.com/aws/aws-sdk-go-v2/service/s3"
+    "tss-rocks-be/internal/config"
+)
+
+// NewStorage creates a new storage instance based on the configuration
+func NewStorage(ctx context.Context, cfg *config.StorageConfig) (Storage, error) {
+    switch cfg.Type {
+    case "local":
+        return NewLocalStorage(cfg.Local.RootDir)
+    case "s3":
+        // Load AWS configuration
+        var s3Client *s3.Client
+
+        if cfg.S3.Endpoint != "" {
+            // Custom endpoint (e.g., MinIO)
+            customResolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) {
+                return aws.Endpoint{
+                    URL: cfg.S3.Endpoint,
+                }, nil
+            })
+
+            awsCfg, err := awsconfig.LoadDefaultConfig(ctx,
+                awsconfig.WithRegion(cfg.S3.Region),
+                awsconfig.WithEndpointResolverWithOptions(customResolver),
+                awsconfig.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
+                    cfg.S3.AccessKeyID,
+                    cfg.S3.SecretAccessKey,
+                    "",
+                )),
+            )
+            if err != nil {
+                return nil, fmt.Errorf("unable to load AWS SDK config: %w", err)
+            }
+
+            s3Client = s3.NewFromConfig(awsCfg)
+        } else {
+            // Standard AWS S3
+            awsCfg, err := awsconfig.LoadDefaultConfig(ctx,
+                awsconfig.WithRegion(cfg.S3.Region),
+                awsconfig.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(
+                    cfg.S3.AccessKeyID,
+                    cfg.S3.SecretAccessKey,
+                    "",
+                )),
+            )
+            if err != nil {
+                return nil, fmt.Errorf("unable to load AWS SDK config: %w", err)
+            }
+
+            s3Client = s3.NewFromConfig(awsCfg)
+        }
+
+        return NewS3Storage(s3Client, cfg.S3.Bucket, cfg.S3.CustomURL, cfg.S3.ProxyS3), nil
+    default:
+        return nil, fmt.Errorf("unsupported storage type: %s", cfg.Type)
+    }
+}