60 lines
2.0 KiB
Go
60 lines
2.0 KiB
Go
package book
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import (
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"github.com/flipped-aurora/gin-vue-admin/server/global"
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"github.com/flipped-aurora/gin-vue-admin/server/model/book"
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bookReq "github.com/flipped-aurora/gin-vue-admin/server/model/book/request"
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bookRes "github.com/flipped-aurora/gin-vue-admin/server/model/book/response"
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commonReq "github.com/flipped-aurora/gin-vue-admin/server/model/common/request"
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)
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type BookAuthorRelationService struct{}
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func (s *BookAuthorRelationService) CreateBookAuthorRelation(item book.BookAuthorRelation) error {
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item = applyBookAuthorRelationDefaults(item)
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if err := validateBookAuthorRelation(item); err != nil {
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return err
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}
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return global.GVA_DB.Create(&item).Error
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}
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func (s *BookAuthorRelationService) DeleteBookAuthorRelation(item book.BookAuthorRelation) error {
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return global.GVA_DB.Delete(&item).Error
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}
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func (s *BookAuthorRelationService) DeleteBookAuthorRelationByIds(ids commonReq.IdsReq) error {
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return deleteByIDs[book.BookAuthorRelation](ids.Ids)
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}
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func (s *BookAuthorRelationService) UpdateBookAuthorRelation(item book.BookAuthorRelation) error {
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if err := validateBookAuthorRelation(item); err != nil {
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return err
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}
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return global.GVA_DB.Save(&item).Error
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}
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func (s *BookAuthorRelationService) GetBookAuthorRelation(id uint) (item book.BookAuthorRelation, err error) {
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err = global.GVA_DB.Where("id = ?", id).First(&item).Error
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return
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}
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func (s *BookAuthorRelationService) GetBookAuthorRelationInfoList(info bookReq.BookAuthorRelationSearch) (list []bookRes.BookAuthorRelationListItem, total int64, err error) {
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db := global.GVA_DB.Table("book_author_relation AS bar")
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if info.BookID != nil {
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db = db.Where("bar.book_id = ?", *info.BookID)
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}
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if info.AuthorID != nil {
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db = db.Where("bar.author_id = ?", *info.AuthorID)
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}
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err = db.Count(&total).Error
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if err != nil {
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return
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}
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err = db.Select("bar.*, ba.name AS author_name").
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Joins("LEFT JOIN book_author AS ba ON ba.id = bar.author_id").
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Scopes(paginate(info.PageInfo)).
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Order("bar.book_id asc, bar.author_sort asc, bar.id desc").
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Scan(&list).Error
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return
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}
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