Implement CRUD operations for blog posts with Create, Edit, and Delete handlers

app/internal/logic/deletepostlogic.go

@@ -0,0 +1,49 @@
+package logic
+
+import (
+	"context"
+	"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 DeletePostLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Delete a blog post
+func NewDeletePostLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DeletePostLogic {
+	return &DeletePostLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *DeletePostLogic) DeletePost(req *types.DeletePostReq) (resp *types.DeletePostResp, err error) {
+	// Delete post from database
+	query := `DELETE FROM posts WHERE id = $1`
+	result, err := l.svcCtx.DB.ExecContext(l.ctx, query, req.Post_id)
+	if err != nil {
+		l.Errorf("Failed to delete post: %v", err)
+		return nil, err
+	}
+
+	// Check if post exists
+	rowsAffected, err := result.RowsAffected()
+	if err != nil {
+		l.Errorf("Failed to get rows affected: %v", err)
+		return nil, err
+	}
+	if rowsAffected == 0 {
+		l.Errorf("Post not found with id: %s", req.Post_id)
+		return nil, fmt.Errorf("post not found")
+	}
+
+	return &types.DeletePostResp{}, nil
+}