a41f938cec
As we have seen, dependencies version can prevent the build. We should user lock versions on dependencies that we know work: * Packages are vendored * Add Godep support * Added addtional install step in readme * Fix travis build error
99 lignes
3,2 Kio
Go
99 lignes
3,2 Kio
Go
package gorm
|
|
|
|
import "reflect"
|
|
|
|
func beginTransactionCallback(scope *Scope) {
|
|
scope.Begin()
|
|
}
|
|
|
|
func commitOrRollbackTransactionCallback(scope *Scope) {
|
|
scope.CommitOrRollback()
|
|
}
|
|
|
|
func saveFieldAsAssociation(scope *Scope, field *Field) (bool, *Relationship) {
|
|
if scope.changeableField(field) && !field.IsBlank && !field.IsIgnored {
|
|
if value, ok := field.TagSettings["SAVE_ASSOCIATIONS"]; !ok || (value != "false" && value != "skip") {
|
|
if relationship := field.Relationship; relationship != nil {
|
|
return true, relationship
|
|
}
|
|
}
|
|
}
|
|
return false, nil
|
|
}
|
|
|
|
func saveBeforeAssociationsCallback(scope *Scope) {
|
|
if !scope.shouldSaveAssociations() {
|
|
return
|
|
}
|
|
for _, field := range scope.Fields() {
|
|
if ok, relationship := saveFieldAsAssociation(scope, field); ok && relationship.Kind == "belongs_to" {
|
|
fieldValue := field.Field.Addr().Interface()
|
|
scope.Err(scope.NewDB().Save(fieldValue).Error)
|
|
if len(relationship.ForeignFieldNames) != 0 {
|
|
// set value's foreign key
|
|
for idx, fieldName := range relationship.ForeignFieldNames {
|
|
associationForeignName := relationship.AssociationForeignDBNames[idx]
|
|
if foreignField, ok := scope.New(fieldValue).FieldByName(associationForeignName); ok {
|
|
scope.Err(scope.SetColumn(fieldName, foreignField.Field.Interface()))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func saveAfterAssociationsCallback(scope *Scope) {
|
|
if !scope.shouldSaveAssociations() {
|
|
return
|
|
}
|
|
for _, field := range scope.Fields() {
|
|
if ok, relationship := saveFieldAsAssociation(scope, field); ok &&
|
|
(relationship.Kind == "has_one" || relationship.Kind == "has_many" || relationship.Kind == "many_to_many") {
|
|
value := field.Field
|
|
|
|
switch value.Kind() {
|
|
case reflect.Slice:
|
|
for i := 0; i < value.Len(); i++ {
|
|
newDB := scope.NewDB()
|
|
elem := value.Index(i).Addr().Interface()
|
|
newScope := newDB.NewScope(elem)
|
|
|
|
if relationship.JoinTableHandler == nil && len(relationship.ForeignFieldNames) != 0 {
|
|
for idx, fieldName := range relationship.ForeignFieldNames {
|
|
associationForeignName := relationship.AssociationForeignDBNames[idx]
|
|
if f, ok := scope.FieldByName(associationForeignName); ok {
|
|
scope.Err(newScope.SetColumn(fieldName, f.Field.Interface()))
|
|
}
|
|
}
|
|
}
|
|
|
|
if relationship.PolymorphicType != "" {
|
|
scope.Err(newScope.SetColumn(relationship.PolymorphicType, relationship.PolymorphicValue))
|
|
}
|
|
|
|
scope.Err(newDB.Save(elem).Error)
|
|
|
|
if joinTableHandler := relationship.JoinTableHandler; joinTableHandler != nil {
|
|
scope.Err(joinTableHandler.Add(joinTableHandler, newDB, scope.Value, newScope.Value))
|
|
}
|
|
}
|
|
default:
|
|
elem := value.Addr().Interface()
|
|
newScope := scope.New(elem)
|
|
if len(relationship.ForeignFieldNames) != 0 {
|
|
for idx, fieldName := range relationship.ForeignFieldNames {
|
|
associationForeignName := relationship.AssociationForeignDBNames[idx]
|
|
if f, ok := scope.FieldByName(associationForeignName); ok {
|
|
scope.Err(newScope.SetColumn(fieldName, f.Field.Interface()))
|
|
}
|
|
}
|
|
}
|
|
|
|
if relationship.PolymorphicType != "" {
|
|
scope.Err(newScope.SetColumn(relationship.PolymorphicType, relationship.PolymorphicValue))
|
|
}
|
|
scope.Err(scope.NewDB().Save(elem).Error)
|
|
}
|
|
}
|
|
}
|
|
}
|