♻️ Fragment based multipart upload API

pkg/internal/models/attachments.go

@@ -12,6 +12,12 @@ const (
 	AttachmentDstTemporary = 0 // The destination 0 is a reserved config for pre-upload processing
 )
 
+const (
+	AttachmentTypeNormal = iota
+	AttachmentTypeThumbnail
+	AttachmentTypeCompressed
+)
+
 type Attachment struct {
 	cruda.BaseModel
 
@@ -35,15 +41,20 @@ type Attachment struct {
 	Metadata datatypes.JSONMap `json:"metadata"` // This field is analyzer auto generated metadata
 	Usermeta datatypes.JSONMap `json:"usermeta"` // This field is user set metadata
 
-	Thumbnail     string `json:"thumbnail"`      // The cover image of audio / video attachment
-	ContentRating int    `json:"content_rating"` // This field use to filter mature content or not
-	QualityRating int    `json:"quality_rating"` // This field use to filter good content or not
+	ContentRating int `json:"content_rating"` // This field use to filter mature content or not
+	QualityRating int `json:"quality_rating"` // This field use to filter good content or not
 
 	IsAnalyzed  bool `json:"is_analyzed"`
-	IsUploaded  bool `json:"is_uploaded"`
 	IsSelfRef   bool `json:"is_self_ref"`
 	IsIndexable bool `json:"is_indexable"` // Show this attachment in the public directory api or not
 
+	UsedCount int `json:"used_count"`
+
+	Thumbnail    *Attachment `json:"thumbnail"`
+	ThumbnailID  *uint       `json:"thumbnail_id"`
+	Compressed   *Attachment `json:"compressed"`
+	CompressedID *uint       `json:"compressed_id"`
+
 	Ref   *Attachment `json:"ref"`
 	RefID *uint       `json:"ref_id"`
 
@@ -53,5 +64,50 @@ type Attachment struct {
 	AccountID uint `json:"account_id"`
 
 	// Outdated fields, just for backward compatibility
-	IsMature bool `json:"is_mature"`
+	IsMature bool `json:"is_mature" gorm:"-"`
+}
+
+// Data model for in progress multipart attachments
+type AttachmentFragment struct {
+	cruda.BaseModel
+
+	// Random ID is for accessing (appear in URL)
+	Rid string `json:"rid" gorm:"uniqueIndex"`
+	// Unique ID is for storing (appear in local file name or object name)
+	Uuid string `json:"uuid"`
+
+	Size        int64   `json:"size"`
+	Name        string  `json:"name"`
+	Alternative string  `json:"alt"`
+	MimeType    string  `json:"mimetype"`
+	HashCode    string  `json:"hash"`
+	Fingerprint *string `json:"fingerprint"` // Client side generated hash, for continue uploading
+
+	FileChunks datatypes.JSONMap `json:"file_chunks"`
+
+	Metadata datatypes.JSONMap `json:"metadata"` // This field is analyzer auto generated metadata
+	Usermeta datatypes.JSONMap `json:"usermeta"` // This field is user set metadata
+
+	Pool   *AttachmentPool `json:"pool"`
+	PoolID *uint           `json:"pool_id"`
+
+	AccountID uint `json:"account_id"`
+}
+
+func (v AttachmentFragment) ToAttachment() Attachment {
+	return Attachment{
+		Rid:         v.Rid,
+		Uuid:        v.Uuid,
+		Size:        v.Size,
+		Name:        v.Name,
+		Alternative: v.Alternative,
+		MimeType:    v.MimeType,
+		HashCode:    v.HashCode,
+		Metadata:    v.Metadata,
+		Usermeta:    v.Usermeta,
+		Destination: AttachmentDstTemporary,
+		Pool:        v.Pool,
+		PoolID:      v.PoolID,
+		AccountID:   v.AccountID,
+	}
 }