视频保存

backend/go-service/pkg/storage/minio.go

@@ -5,6 +5,7 @@ package storage
 import (
 	"context"
 	"fmt"
+	"strings"
 
 	"github.com/echochat/backend/config"
 	"github.com/minio/minio-go/v7"
@@ -61,3 +62,28 @@ func ensureBucketPublicRead(ctx context.Context, client *minio.Client, bucket st
 }`, bucket)
 	return client.SetBucketPolicy(ctx, bucket, policy)
 }
+
+func BuildObjectURL(cfg *config.MinioConfig, objectName string) string {
+	objectName = strings.TrimLeft(strings.TrimSpace(objectName), "/")
+	if cfg == nil {
+		return objectName
+	}
+	bucket := strings.Trim(strings.TrimSpace(cfg.Bucket), "/")
+	if base := strings.TrimRight(strings.TrimSpace(cfg.PublicBaseURL), "/"); base != "" {
+		if bucket != "" && !strings.HasSuffix(base, "/"+bucket) {
+			base = fmt.Sprintf("%s/%s", base, bucket)
+		}
+		if objectName == "" {
+			return base
+		}
+		return fmt.Sprintf("%s/%s", base, objectName)
+	}
+	scheme := "http"
+	if cfg.UseSSL {
+		scheme = "https"
+	}
+	if objectName == "" {
+		return fmt.Sprintf("%s://%s/%s", scheme, cfg.Endpoint, bucket)
+	}
+	return fmt.Sprintf("%s://%s/%s/%s", scheme, cfg.Endpoint, bucket, objectName)
+}