yintai2/app/common/dao/document.go

122 lines
3.3 KiB
Go

package dao
import (
"errors"
"fmt"
"yintai-api/app/common/model"
"github.com/spf13/cast"
"gorm.io/gorm"
)
type Document struct {
db *gorm.DB
}
func NewDocument(db ...*gorm.DB) *Document {
return &Document{db: getDB(db...)}
}
func (r *Document) TableName() string {
return "yt_document"
}
func (r *Document) Create(m *model.Document) error {
return r.db.Table(r.TableName()).Create(m).Error
}
func (r *Document) Update(m *model.Document) error {
return r.db.Table(r.TableName()).Save(m).Error
}
func (r *Document) Delete(id int64) error {
return r.db.Table(r.TableName()).Where("id = ?", id).Delete(&Document{}).Error
}
func (r *Document) Get(id int64) (*model.Document, error) {
var res model.Document
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 *Document) 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 *Document) List(lang string, categoryID int64, fileName, title, subTitle, desc string, page, size int, sort string) ([]*model.DocumentPage, int64, error) {
var list []*model.DocumentPage
var count int64
tx := r.db.Table(r.TableName() + " AS p ")
tx = tx.Joins(fmt.Sprintf(" LEFT JOIN %s AS t ON p.id = t.document_id ", NewDocumentTranslations().TableName()))
tx = tx.Joins(fmt.Sprintf(" LEFT JOIN %s l ON l.biz_id = p.id AND l.type = ?", NewCategoryRelation().TableName()), model.CateTypeFile)
tx = tx.Joins(fmt.Sprintf(" LEFT JOIN %s c ON c.id = l.category_id", NewCategory().TableName()))
if lang != "" {
tx = tx.Where("t.lang = ?", lang)
}
if fileName != "" {
tx = tx.Where("t.name LIKE ?", "%"+fileName+"%")
}
if title != "" {
tx = tx.Where("t.title LIKE ?", "%"+title+"%")
}
if subTitle != "" {
tx = tx.Where("t.sub_title LIKE ?", "%"+subTitle+"%")
}
if desc != "" {
tx = tx.Where("t.description LIKE ?", "%"+desc+"%")
}
if cast.ToInt64(categoryID) != 0 {
tx = tx.Where("c.id = ?", cast.ToInt64(categoryID))
}
if err := tx.Count(&count).Error; err != nil {
return nil, 0, err
}
if sort == "" {
tx = tx.Order("p.weight DESC")
} else {
tx = tx.Order(sort)
}
if err := tx.Offset((page - 1) * size).Limit(size).Select("p.*,t.*,c.name as category_name,c.name_en as category_en,c.id as category_id").Find(&list).Error; err != nil {
return nil, 0, err
}
return list, count, nil
}
func (r *Document) GetLang(lang string, id int64) (*model.DocumentPage, error) {
var res *model.DocumentPage
tx := r.db.Table(r.TableName() + " AS p ")
tx = tx.Joins(fmt.Sprintf(" LEFT JOIN %s AS t ON p.id = t.document_id ", NewDocumentTranslations().TableName()))
tx = tx.Joins(fmt.Sprintf(" LEFT JOIN %s l ON l.biz_id = p.id AND l.type = ?", NewCategoryRelation().TableName()), model.CateTypeFile)
tx = tx.Joins(fmt.Sprintf(" LEFT JOIN %s c ON c.id = l.category_id", NewCategory().TableName()))
tx = tx.Where("t.lang = ?", lang)
tx = tx.Where("p.id = ?", id)
field := "p.*,t.*,c.name as category_name,c.name_en as category_en,c.id as category_id"
if err := tx.Select(field).Find(&res).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, nil
}
return nil, err
}
return res, nil
}