Files
Blog/app/internal/logic/createpostlogic.go
2025-10-25 12:21:17 +08:00

60 lines
1.5 KiB
Go

package logic
import (
"context"
"database/sql"
"fmt"
"git.cialloo.com/CiallooWeb/Blog/app/internal/svc"
"git.cialloo.com/CiallooWeb/Blog/app/internal/types"
"github.com/zeromicro/go-zero/core/logx"
)
type CreatePostLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
// Create a new blog post
func NewCreatePostLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CreatePostLogic {
return &CreatePostLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
func (l *CreatePostLogic) CreatePost(req *types.CreatePostReq) (resp *types.CreatePostResp, err error) {
var coverID sql.NullInt64
// If cover image key is provided, get the file ID from files table
if req.CoverImageKey != "" {
query := `SELECT id FROM files WHERE file_key = $1`
err := l.svcCtx.DB.QueryRowContext(l.ctx, query, req.CoverImageKey).Scan(&coverID.Int64)
if err != nil {
if err == sql.ErrNoRows {
l.Errorf("Cover image file not found with key: %s", req.CoverImageKey)
return nil, fmt.Errorf("cover image not found")
}
l.Errorf("Failed to get cover image file: %v", err)
return nil, err
}
coverID.Valid = true
}
// Insert new post
var postID int64
query := `INSERT INTO posts (title, content, cover_id) VALUES ($1, $2, $3) RETURNING id`
err = l.svcCtx.DB.QueryRowContext(l.ctx, query, req.Title, req.Content, coverID).Scan(&postID)
if err != nil {
l.Errorf("Failed to create post: %v", err)
return nil, err
}
return &types.CreatePostResp{
PostId: fmt.Sprintf("%d", postID),
}, nil
}