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fix(storage): prevent duplicate COS resource uploads

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MasterChiefCN
2026-09-01 17:10:55 +08:00
parent e1f2f16e85
commit 2a33a20628
13 changed files with 339 additions and 64 deletions
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28
backend/internal/model/models_project.go
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@@ -19,25 +19,27 @@ const AssetIDMaxLength = 80
type Resource struct {
ID string `json:"id" gorm:"primaryKey;size:36"`
UserID string `json:"userId" gorm:"index;size:36;index:idx_resources_user_created,priority:1"`
UserID string `json:"userId" gorm:"index;size:36;index:idx_resources_user_created,priority:1;uniqueIndex:idx_resources_user_upload_key,priority:1"`
Kind string `json:"kind" gorm:"index;size:24"`
Status ResourceStatus `json:"status" gorm:"index;size:24"`
Provider string `json:"provider" gorm:"size:24"`
Endpoint string `json:"endpoint"`
Bucket string `json:"bucket" gorm:"size:160"`
// 用户 OSS 每次修改都会生成新版本，资源固定引用创建时的存储与密钥；只有同一存储位置才可复用当前 CDN。
StorageSettingID string `json:"-" gorm:"index;size:36"`
ObjectKey string `json:"objectKey" gorm:"index"`
PublicURL string `json:"publicUrl"`
MimeType string `json:"mimeType" gorm:"size:120"`
Size int64 `json:"size"`
Width int `json:"width"`
Height int `json:"height"`
DurationMs int64 `json:"durationMs"`
ETag string `json:"etag" gorm:"size:160"`
Error string `json:"error"`
CreatedAt time.Time `json:"createdAt" gorm:"index:idx_resources_user_created,priority:2"`
UpdatedAt time.Time `json:"updatedAt"`
StorageSettingID string `json:"-" gorm:"index;size:36"`
ObjectKey string `json:"objectKey" gorm:"index"`
PublicURL string `json:"publicUrl"`
MimeType string `json:"mimeType" gorm:"size:120"`
Size int64 `json:"size"`
Width int `json:"width"`
Height int `json:"height"`
DurationMs int64 `json:"durationMs"`
ETag string `json:"etag" gorm:"size:160"`
// UploadKey 是客户端逻辑上传身份的摘要；NULL 表示不参与幂等约束。
UploadKey *string `json:"-" gorm:"size:64;uniqueIndex:idx_resources_user_upload_key,priority:2"`
Error string `json:"error"`
CreatedAt time.Time `json:"createdAt" gorm:"index:idx_resources_user_created,priority:2"`
UpdatedAt time.Time `json:"updatedAt"`
}
// ResourceDeletionJob is the durable handoff between database deletion and