forked from vckai/novel
/
cate.go
100 lines (80 loc) · 2.02 KB
/
cate.go
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// Copyright 2017 Vckai Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package services
import (
"errors"
"github.com/astaxie/beego/validation"
"github.com/vckai/novel/app/models"
)
// 定义CateService
type Cate struct {
}
func NewCate() *Cate {
return &Cate{}
}
// 获取单个分类信息
func (this *Cate) Get(id uint32) *models.Cate {
if id < 0 {
return nil
}
cate := &models.Cate{Id: id}
err := cate.Read()
if err != nil {
return nil
}
return cate
}
// 批量获取小说分类列表
func (this *Cate) GetAll() []*models.Cate {
cates := models.CateModel.GetAll()
return cates
}
// 批量删除小说分类
func (this *Cate) DeleteBatch(ids []string) error {
if len(ids) == 0 {
return errors.New("params error")
}
return models.CateModel.DeleteBatch(ids)
}
// 删除小说分类
func (this *Cate) Delete(id uint32) error {
if id < 0 {
return errors.New("params error")
}
cate := models.Cate{Id: id}
err := cate.Delete(true)
if err != nil {
return err
}
return nil
}
// 添加/修改
func (this *Cate) Save(cate *models.Cate) error {
// 参数校验
valid := validation.Validation{}
valid.Required(cate.Name, "nameEmpty").Message("分类名称不能为空")
valid.MaxSize(cate.Name, 20, "nameMax").Message("分类名称长度不能超过20个字符")
if valid.HasErrors() {
for _, err := range valid.Errors {
return err
}
}
var err error
if cate.Id > 0 {
err = cate.Update("name", "is_home", "is_menu")
} else {
err = cate.Insert()
}
return err
}