✨ Boost CRUD API

pkg/internal/fs/downloader.go

@@ -0,0 +1,52 @@
+package fs
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"git.solsynth.dev/hypernet/paperclip/pkg/internal/models"
+	jsoniter "github.com/json-iterator/go"
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+	"github.com/spf13/viper"
+)
+
+func DownloadFileToLocal(meta models.Attachment, dst int) (string, error) {
+	destMap := viper.GetStringMap(fmt.Sprintf("destinations.%d", dst))
+
+	var dest models.BaseDestination
+	rawDest, _ := jsoniter.Marshal(destMap)
+	_ = jsoniter.Unmarshal(rawDest, &dest)
+
+	switch dest.Type {
+	case models.DestinationTypeLocal:
+		var destConfigured models.LocalDestination
+		_ = jsoniter.Unmarshal(rawDest, &destConfigured)
+
+		return filepath.Join(destConfigured.Path, meta.Uuid), nil
+	case models.DestinationTypeS3:
+		var destConfigured models.S3Destination
+		_ = jsoniter.Unmarshal(rawDest, &destConfigured)
+
+		client, err := minio.New(destConfigured.Endpoint, &minio.Options{
+			Creds:  credentials.NewStaticV4(destConfigured.SecretID, destConfigured.SecretKey, ""),
+			Secure: destConfigured.EnableSSL,
+		})
+		if err != nil {
+			return "", fmt.Errorf("unable to configure s3 client: %v", err)
+		}
+
+		inDst := filepath.Join(os.TempDir(), meta.Uuid)
+
+		err = client.FGetObject(context.Background(), destConfigured.Bucket, meta.Uuid, inDst, minio.GetObjectOptions{})
+		if err != nil {
+			return "", fmt.Errorf("unable to upload file to s3: %v", err)
+		}
+
+		return inDst, nil
+	default:
+		return "", fmt.Errorf("invalid destination: unsupported protocol %s", dest.Type)
+	}
+}