基础项目

server/service/book/book_author_relation.go

@@ -0,0 +1,54 @@
+package book
+
+import (
+	"github.com/flipped-aurora/gin-vue-admin/server/global"
+	"github.com/flipped-aurora/gin-vue-admin/server/model/book"
+	bookReq "github.com/flipped-aurora/gin-vue-admin/server/model/book/request"
+	commonReq "github.com/flipped-aurora/gin-vue-admin/server/model/common/request"
+)
+
+type BookAuthorRelationService struct{}
+
+func (s *BookAuthorRelationService) CreateBookAuthorRelation(item book.BookAuthorRelation) error {
+	item = applyBookAuthorRelationDefaults(item)
+	if err := validateBookAuthorRelation(item); err != nil {
+		return err
+	}
+	return global.GVA_DB.Create(&item).Error
+}
+
+func (s *BookAuthorRelationService) DeleteBookAuthorRelation(item book.BookAuthorRelation) error {
+	return global.GVA_DB.Delete(&item).Error
+}
+
+func (s *BookAuthorRelationService) DeleteBookAuthorRelationByIds(ids commonReq.IdsReq) error {
+	return deleteByIDs[book.BookAuthorRelation](ids.Ids)
+}
+
+func (s *BookAuthorRelationService) UpdateBookAuthorRelation(item book.BookAuthorRelation) error {
+	if err := validateBookAuthorRelation(item); err != nil {
+		return err
+	}
+	return global.GVA_DB.Save(&item).Error
+}
+
+func (s *BookAuthorRelationService) GetBookAuthorRelation(id uint) (item book.BookAuthorRelation, err error) {
+	err = global.GVA_DB.Where("id = ?", id).First(&item).Error
+	return
+}
+
+func (s *BookAuthorRelationService) GetBookAuthorRelationInfoList(info bookReq.BookAuthorRelationSearch) (list []book.BookAuthorRelation, total int64, err error) {
+	db := global.GVA_DB.Model(&book.BookAuthorRelation{})
+	if info.BookID != nil {
+		db = db.Where("book_id = ?", *info.BookID)
+	}
+	if info.AuthorID != nil {
+		db = db.Where("author_id = ?", *info.AuthorID)
+	}
+	err = db.Count(&total).Error
+	if err != nil {
+		return
+	}
+	err = db.Scopes(paginate(info.PageInfo)).Order("book_id asc, author_sort asc, id desc").Find(&list).Error
+	return
+}