reference to previous ID

Author: jessegeens

share/model.go

@@ -42,6 +42,7 @@ type ProtoShare struct {
 	Permissions  uint8
 	Orphan       bool
 	Expiration   datatypes.NullTime
+	PreviousID   uint `gorm:"uniqueIndex"`
 }
 
 type Share struct {
@@ -65,10 +66,10 @@ type PublicLink struct {
 
 type ShareState struct {
 	gorm.Model
-	ShareID uint  `gorm:"foreignKey:ShareID;references:ID"` // Define the foreign key field
+	ShareID uint  `gorm:"foreignKey:ShareID;references:ID;uniqueIndex:compositeindex"` // Define the foreign key field
 	Share   Share // Define the association
 	// Can not be uid because of lw accs
-	User   string
+	User   string `gorm:"uniqueIndex:compositeindex"`
 	Synced bool
 	Hidden bool
 	Alias  string