mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-01 06:50:00 +00:00
115 lines
2.2 KiB
Go
115 lines
2.2 KiB
Go
package bun
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"reflect"
|
|
"time"
|
|
|
|
"github.com/uptrace/bun/schema"
|
|
)
|
|
|
|
type sliceTableModel struct {
|
|
structTableModel
|
|
|
|
slice reflect.Value
|
|
sliceLen int
|
|
sliceOfPtr bool
|
|
nextElem func() reflect.Value
|
|
}
|
|
|
|
var _ tableModel = (*sliceTableModel)(nil)
|
|
|
|
func newSliceTableModel(
|
|
db *DB, dest interface{}, slice reflect.Value, elemType reflect.Type,
|
|
) *sliceTableModel {
|
|
m := &sliceTableModel{
|
|
structTableModel: structTableModel{
|
|
db: db,
|
|
table: db.Table(elemType),
|
|
dest: dest,
|
|
root: slice,
|
|
},
|
|
|
|
slice: slice,
|
|
sliceLen: slice.Len(),
|
|
nextElem: 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
|
|
}
|
|
}
|
|
|
|
func (m *sliceTableModel) Join(name string) *relationJoin {
|
|
return m.join(m.slice, name)
|
|
}
|
|
|
|
func (m *sliceTableModel) Bind(bind reflect.Value) {
|
|
m.slice = bind.Field(m.index[len(m.index)-1])
|
|
}
|
|
|
|
func (m *sliceTableModel) SetCap(cap int) {
|
|
if cap > 100 {
|
|
cap = 100
|
|
}
|
|
if m.slice.Cap() < cap {
|
|
m.slice.Set(reflect.MakeSlice(m.slice.Type(), 0, cap))
|
|
}
|
|
}
|
|
|
|
func (m *sliceTableModel) ScanRows(ctx context.Context, rows *sql.Rows) (int, error) {
|
|
columns, err := rows.Columns()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
m.columns = columns
|
|
dest := makeDest(m, len(columns))
|
|
|
|
if m.slice.IsValid() && m.slice.Len() > 0 {
|
|
m.slice.Set(m.slice.Slice(0, 0))
|
|
}
|
|
|
|
var n int
|
|
|
|
for rows.Next() {
|
|
m.strct = m.nextElem()
|
|
m.structInited = false
|
|
|
|
if err := m.scanRow(ctx, rows, dest); err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
n++
|
|
}
|
|
if err := rows.Err(); err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return n, nil
|
|
}
|
|
|
|
// Inherit these hooks from structTableModel.
|
|
var (
|
|
_ schema.BeforeScanHook = (*sliceTableModel)(nil)
|
|
_ schema.AfterScanHook = (*sliceTableModel)(nil)
|
|
)
|
|
|
|
func (m *sliceTableModel) updateSoftDeleteField(tm time.Time) error {
|
|
sliceLen := m.slice.Len()
|
|
for i := 0; i < sliceLen; i++ {
|
|
strct := indirect(m.slice.Index(i))
|
|
fv := m.table.SoftDeleteField.Value(strct)
|
|
if err := m.table.UpdateSoftDeleteField(fv, tm); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|