go17/vblog/apps/blog/impl/impl.go
2025-01-19 09:33:31 +08:00

111 lines
2.8 KiB
Go

package impl
import (
"context"
"fmt"
"time"
"github.com/infraboard/mcube/v2/ioc"
"github.com/infraboard/mcube/v2/ioc/config/datasource"
"gitlab.com/go-course-project/go17/vblog/apps/blog"
"gitlab.com/go-course-project/go17/vblog/middleware"
)
func init() {
ioc.Controller().Registry(&BlogServiceImpl{})
}
// 定义一个struct, 用于实现 UserService就是刚才定义的接口
// 怎么才能判断这个结构体没有实现这个接口
type BlogServiceImpl struct {
ioc.ObjectImpl
}
func (i *BlogServiceImpl) Name() string {
return blog.AppName
}
// CreateBlog implements blog.Service.
func (b *BlogServiceImpl) CreateBlog(ctx context.Context, in *blog.CreateBlogRequest) (*blog.Blog, error) {
ins, err := blog.NewBlog(in)
if err != nil {
return nil, err
}
// 冲上下文中补充 创建人
tk := middleware.GetTokenFromCtx(ctx)
if tk != nil {
ins.CreateBy = tk.RefUserName
}
err = datasource.DBFromCtx(ctx).Create(ins).Error
if err != nil {
return nil, err
}
return ins, nil
}
// QueryBlog implements blog.Service.
func (b *BlogServiceImpl) QueryBlog(ctx context.Context, in *blog.QueryBlogRequest) (*blog.BlogSet, error) {
query := datasource.DBFromCtx(ctx).Model(&blog.Blog{})
if in.Keywords != "" {
query = query.Where("title LIKE ?", "%"+in.Keywords+"%")
}
if in.Stage != nil {
query = query.Where("stage = ?", in.Stage)
}
if in.CreateBy != "" {
query = query.Where("create_by = ?", in.CreateBy)
}
if in.Category != "" {
query = query.Where("category = ?", in.Category)
}
for k, v := range in.Tags {
query = query.Where(fmt.Sprintf("tags->>'$.%s' = ?", k), v)
}
set := blog.NewBlogSet()
// COUNT
if err := query.Count(&set.Total).Error; err != nil {
return nil, err
}
// 处理分页
err := query.Order("created_at DESC").Offset(int(in.Offset())).Limit(int(in.PageSize)).Find(&set.Items).Error
if err != nil {
return nil, err
}
return set, nil
}
// DeleteBlog implements blog.Service.
func (b *BlogServiceImpl) DeleteBlog(ctx context.Context, in *blog.DeleteBlogRequest) error {
time.Sleep(2 * time.Second)
ins, err := b.DescribeBlog(ctx, blog.NewDescribeBlogRequest(in.Id))
if err != nil {
return err
}
return datasource.DBFromCtx(ctx).Where("id = ?", ins.Id).Delete(ins).Error
}
// DescribeBlog implements blog.Service.
func (b *BlogServiceImpl) DescribeBlog(ctx context.Context, in *blog.DescribeBlogRequest) (*blog.Blog, error) {
ins := &blog.Blog{}
err := datasource.DBFromCtx(ctx).Where("id = ?", in.Id).First(ins).Error
if err != nil {
return nil, err
}
return ins, nil
}
// PublishBlog implements blog.Service.
func (b *BlogServiceImpl) PublishBlog(context.Context, *blog.PublishBlogRequest) (*blog.Blog, error) {
panic("unimplemented")
}
// UpdateBlog implements blog.Service.
func (b *BlogServiceImpl) UpdateBlog(context.Context, *blog.UpdateBlogRequest) (*blog.Blog, error) {
panic("unimplemented")
}