Files
novel_server/internal/logic/category/category.go

124 lines
2.9 KiB
Go

package category
import (
"context"
"server/internal/dao"
"server/internal/model"
"server/internal/model/do"
"server/internal/service"
"server/utility/ecode"
)
type sCategory struct {
}
func New() service.ICategory {
return &sCategory{}
}
func init() {
service.RegisterCategory(New())
}
// List retrieves a paginated list of categories
func (s *sCategory) List(ctx context.Context, in *model.CategoryListIn) (out *model.CategoryListOut, err error) {
out = &model.CategoryListOut{}
m := dao.Categories.Ctx(ctx)
if in.Type != 0 {
m = m.Where(dao.Categories.Columns().Type, in.Type)
}
if err = m.Page(in.Page, in.Size).ScanAndCount(&out.List, &out.Total, false); err != nil {
return
}
return
}
func (s *sCategory) Create(ctx context.Context, in *model.CategoryAddIn) (out *model.CategoryCRUDOut, err error) {
if in.Type != 1 && in.Type != 2 {
return nil, ecode.Params.Sub("category_type_invalid")
}
exist, err := dao.Categories.Ctx(ctx).
Where(dao.Categories.Columns().Name, in.Name).
Exist()
if err != nil {
return nil, ecode.Fail.Sub("category_query_failed")
}
if exist {
return nil, ecode.Params.Sub("category_exists")
}
if _, err := dao.Categories.Ctx(ctx).Data(do.Categories{
Name: in.Name,
Type: in.Type,
}).Insert(); err != nil {
return nil, ecode.Fail.Sub("category_create_failed")
}
return &model.CategoryCRUDOut{
Success: true,
}, nil
}
func (s *sCategory) Update(ctx context.Context, in *model.CategoryEditIn) (out *model.CategoryCRUDOut, err error) {
if in.Type != 1 && in.Type != 2 {
return nil, ecode.Params.Sub("category_type_invalid")
}
exist, err := dao.Categories.Ctx(ctx).
WherePri(in.Id).
Exist()
if err != nil {
return nil, ecode.Fail.Sub("category_query_failed")
}
if !exist {
return nil, ecode.NotFound.Sub("category_not_found")
}
exist, err = dao.Categories.Ctx(ctx).
Where(dao.Categories.Columns().Name, in.Name).
Where("id != ?", in.Id).
Exist()
if err != nil {
return nil, ecode.Fail.Sub("category_query_failed")
}
if exist {
return nil, ecode.Params.Sub("category_exists")
}
// Update category
_, err = dao.Categories.Ctx(ctx).
WherePri(in.Id).
Data(do.Categories{
Name: in.Name,
Type: in.Type,
}).Update()
if err != nil {
return nil, ecode.Fail.Sub("category_update_failed")
}
return &model.CategoryCRUDOut{
Success: true,
}, nil
}
func (s *sCategory) Delete(ctx context.Context, in *model.CategoryDelIn) (out *model.CategoryCRUDOut, err error) {
exist, err := dao.Categories.Ctx(ctx).
WherePri(in.Id).
Exist()
if err != nil {
return nil, ecode.Fail.Sub("category_query_failed")
}
if !exist {
return nil, ecode.NotFound.Sub("category_not_found")
}
// Soft delete category
_, err = dao.Categories.Ctx(ctx).WherePri(in.Id).Delete()
if err != nil {
return nil, ecode.Fail.Sub("category_delete_failed")
}
return &model.CategoryCRUDOut{
Success: true,
}, nil
}