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model_table_slice.go
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model_table_slice.go
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package orm
import "reflect"
type sliceTableModel struct {
structTableModel
slice reflect.Value
sliceOfPtr bool
}
var _ tableModel = (*sliceTableModel)(nil)
func (m *sliceTableModel) init(sliceType reflect.Type) {
switch sliceType.Elem().Kind() {
case reflect.Ptr, reflect.Interface:
m.sliceOfPtr = true
}
}
func (sliceTableModel) useQueryOne() {}
func (m *sliceTableModel) Join(name string, apply func(*Query) (*Query, error)) (bool, *join) {
return m.join(m.Value(), name, apply)
}
func (m *sliceTableModel) Bind(bind reflect.Value) {
m.slice = bind.Field(m.index[len(m.index)-1])
}
func (m *sliceTableModel) Value() reflect.Value {
return m.slice
}
func (m *sliceTableModel) Init() error {
if m.slice.IsValid() && m.slice.Len() > 0 {
m.slice.Set(m.slice.Slice(0, 0))
}
return nil
}
func (m *sliceTableModel) NewModel() ColumnScanner {
m.strct = m.nextElem()
m.structInited = false
m.structTableModel.NewModel()
return m
}
func (m *sliceTableModel) AfterQuery(db DB) error {
if !m.table.HasFlag(AfterQueryHookFlag) {
return nil
}
return callAfterQueryHookSlice(m.slice, m.sliceOfPtr, db)
}
func (m *sliceTableModel) AfterSelect(db DB) error {
if !m.table.HasFlag(AfterSelectHookFlag) {
return nil
}
return callAfterSelectHookSlice(m.slice, m.sliceOfPtr, db)
}
func (m *sliceTableModel) BeforeInsert(db DB) error {
if !m.table.HasFlag(BeforeInsertHookFlag) {
return nil
}
return callBeforeInsertHookSlice(m.slice, m.sliceOfPtr, db)
}
func (m *sliceTableModel) AfterInsert(db DB) error {
if !m.table.HasFlag(AfterInsertHookFlag) {
return nil
}
return callAfterInsertHookSlice(m.slice, m.sliceOfPtr, db)
}
func (m *sliceTableModel) BeforeUpdate(db DB) error {
if !m.table.HasFlag(BeforeUpdateHookFlag) {
return nil
}
return callBeforeUpdateHookSlice(m.slice, m.sliceOfPtr, db)
}
func (m *sliceTableModel) AfterUpdate(db DB) error {
if !m.table.HasFlag(AfterUpdateHookFlag) {
return nil
}
return callAfterUpdateHookSlice(m.slice, m.sliceOfPtr, db)
}
func (m *sliceTableModel) BeforeDelete(db DB) error {
if !m.table.HasFlag(BeforeDeleteHookFlag) {
return nil
}
return callBeforeDeleteHookSlice(m.slice, m.sliceOfPtr, db)
}
func (m *sliceTableModel) AfterDelete(db DB) error {
if !m.table.HasFlag(AfterDeleteHookFlag) {
return nil
}
return callAfterDeleteHookSlice(m.slice, m.sliceOfPtr, db)
}
func (m *sliceTableModel) nextElem() reflect.Value {
if m.slice.Len() < m.slice.Cap() {
m.slice.Set(m.slice.Slice(0, m.slice.Len()+1))
elem := m.slice.Index(m.slice.Len() - 1)
if m.sliceOfPtr {
if elem.IsNil() {
elem.Set(reflect.New(elem.Type().Elem()))
}
return elem.Elem()
}
return elem
}
if m.sliceOfPtr {
elem := reflect.New(m.table.Type)
m.slice.Set(reflect.Append(m.slice, elem))
return elem.Elem()
}
m.slice.Set(reflect.Append(m.slice, m.table.zeroStruct))
return m.slice.Index(m.slice.Len() - 1)
}