/
model_table_slice.go
151 lines (125 loc) · 3.62 KB
/
model_table_slice.go
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package orm
import (
"context"
"reflect"
"github.com/gui774ume/pg/v10/internal"
)
type sliceTableModel struct {
structTableModel
slice reflect.Value
sliceLen int
sliceOfPtr bool
nextElem func() reflect.Value
}
var _ TableModel = (*sliceTableModel)(nil)
func newSliceTableModel(slice reflect.Value, elemType reflect.Type) *sliceTableModel {
m := &sliceTableModel{
structTableModel: structTableModel{
table: GetTable(elemType),
root: slice,
},
slice: slice,
sliceLen: slice.Len(),
nextElem: internal.MakeSliceNextElemFunc(slice),
}
m.init(slice.Type())
return m
}
func (m *sliceTableModel) init(sliceType reflect.Type) {
switch sliceType.Elem().Kind() {
case reflect.Ptr, reflect.Interface:
m.sliceOfPtr = true
}
}
//nolint
func (*sliceTableModel) useQueryOne() {}
func (m *sliceTableModel) IsNil() bool {
return false
}
func (m *sliceTableModel) AppendParam(fmter QueryFormatter, b []byte, name string) ([]byte, bool) {
if field, ok := m.table.FieldsMap[name]; ok {
b = append(b, "_data."...)
b = append(b, field.Column...)
return b, true
}
return m.structTableModel.AppendParam(fmter, b, name)
}
func (m *sliceTableModel) Join(name string, apply func(*Query) (*Query, error)) *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) Kind() reflect.Kind {
return reflect.Slice
}
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) NextColumnScanner() ColumnScanner {
m.strct = m.nextElem()
m.structInited = false
return m
}
func (m *sliceTableModel) AddColumnScanner(_ ColumnScanner) error {
return nil
}
// Inherit these hooks from structTableModel.
var _ BeforeScanHook = (*sliceTableModel)(nil)
var _ AfterScanHook = (*sliceTableModel)(nil)
func (m *sliceTableModel) AfterSelect(ctx context.Context) error {
if m.table.hasFlag(afterSelectHookFlag) {
return callAfterSelectHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return nil
}
func (m *sliceTableModel) BeforeInsert(ctx context.Context) (context.Context, error) {
if m.table.hasFlag(beforeInsertHookFlag) {
return callBeforeInsertHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return ctx, nil
}
func (m *sliceTableModel) AfterInsert(ctx context.Context) error {
if m.table.hasFlag(afterInsertHookFlag) {
return callAfterInsertHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return nil
}
func (m *sliceTableModel) BeforeUpdate(ctx context.Context) (context.Context, error) {
if m.table.hasFlag(beforeUpdateHookFlag) && !m.IsNil() {
return callBeforeUpdateHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return ctx, nil
}
func (m *sliceTableModel) AfterUpdate(ctx context.Context) error {
if m.table.hasFlag(afterUpdateHookFlag) {
return callAfterUpdateHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return nil
}
func (m *sliceTableModel) BeforeDelete(ctx context.Context) (context.Context, error) {
if m.table.hasFlag(beforeDeleteHookFlag) && !m.IsNil() {
return callBeforeDeleteHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return ctx, nil
}
func (m *sliceTableModel) AfterDelete(ctx context.Context) error {
if m.table.hasFlag(afterDeleteHookFlag) && !m.IsNil() {
return callAfterDeleteHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return nil
}
func (m *sliceTableModel) setSoftDeleteField() {
sliceLen := m.slice.Len()
for i := 0; i < sliceLen; i++ {
strct := indirect(m.slice.Index(i))
fv := m.table.SoftDeleteField.Value(strct)
m.table.SetSoftDeleteField(fv)
}
}