yintai2/app/common/dao/page.go

88 lines
1.9 KiB
Go

package dao
import (
"errors"
"fmt"
"yintai-api/app/common/model"
"gorm.io/gorm"
)
type Page struct {
db *gorm.DB
}
func NewPage(db ...*gorm.DB) *Page {
return &Page{db: getDB(db...)}
}
func (r *Page) TableName() string {
return "yt_page"
}
func (r *Page) Create(m *model.Page) error {
return r.db.Table(r.TableName()).Create(m).Error
}
func (r *Page) Update(m *model.Page) error {
return r.db.Table(r.TableName()).Save(m).Error
}
func (r *Page) Delete(id int64) error {
return r.db.Table(r.TableName()).Where("id = ?", id).Delete(&Page{}).Error
}
func (r *Page) Get(id int64) (*model.Page, error) {
var res model.Page
if err := r.db.Table(r.TableName()).Where("id = ?", id).First(&res).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, nil
}
return nil, err
}
return &res, nil
}
func (r *Page) Exists(id int64) (bool, error) {
var count int64
if err := r.db.Table(r.TableName()).Where("id = ?", id).Count(&count).Error; err != nil {
return false, err
}
return count > 0, nil
}
func (r *Page) List(name string, page, size int, sort string) ([]*model.Page, int64, error) {
var list []*model.Page
var count int64
tx := r.db.Table(r.TableName()).Where("name LIKE ?", fmt.Sprintf("%%%s%%", name))
if err := tx.Count(&count).Error; err != nil {
return nil, 0, err
}
if sort != "" {
tx = tx.Order(sort)
} else {
tx = tx.Order("id,pid,weight desc")
}
if err := tx.Offset((page - 1) * size).Limit(size).Find(&list).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, 0, err
}
return nil, 0, err
}
return list, count, nil
}
func (r *Page) GetByPath(path string) ([]*model.Page, error) {
var list []*model.Page
tx := r.db.Table(r.TableName()).Where("path LIKE ?", fmt.Sprintf("%s%%", path)).Find(&list)
if tx.Error != nil {
if errors.Is(tx.Error, gorm.ErrRecordNotFound) {
return nil, nil
}
return nil, tx.Error
}
return list, nil
}