feat: update handlers in posts

backend/internal/handlers/post_handlers.go

@@ -33,6 +33,9 @@ func (h *PostHandlers) GetPosts(c *gin.Context) {
 		h.logger.Error("error request: " + err.Error())
 		c.Status(500)
 	}
+	if result == nil {
+		c.JSON(200, gin.H{"Status": "No Post found"})
+	}
 	h.logger.Info("200 OK GET /posts")
 	c.JSON(200, result)
 }
@@ -46,15 +49,25 @@ func (h *PostHandlers) GetPosts(c *gin.Context) {
 // @Produce  json
 // @Success 200 {object} storage.PostReq
 // @Failure 400 {object} map[string]string "Invalid ID format"
+// @Failure 404 {object} map[string]string "Post not found"
 // @Failure 500 {object} map[string]string "Internal server error"
 // @Router /posts/{id} [get]
 func (h *PostHandlers) GetPost(c *gin.Context) {
 	var result storage.PostReq
+	last_id, err := h.repo.GetLastID(c.Request.Context())
+	if err != nil {
+		h.logger.Error("error request: " + err.Error())
+		c.Status(500)
+	}
 	id_p := c.Param("id")
 	id, err := strconv.Atoi(id_p)
 	if err != nil {
 		h.logger.Error("error request: " + err.Error())
-		c.Status(500)
+		c.JSON(400, gin.H{"error": "Invalid ID format"})
+	}
+	if id > last_id {
+		c.JSON(404, gin.H{"error": "Post not found"})
+		return
 	}
 	result, err = h.repo.GetByID(c.Request.Context(), id)
 	if err != nil {
@@ -63,7 +76,7 @@ func (h *PostHandlers) GetPost(c *gin.Context) {
 	}
 	h.logger.Info("200 OK GET /posts/" + id_p)
 	c.JSON(200, result)
-	// TODO: added validaton for 400 response
+
 }
 
 // CreatePost godoc
@@ -133,9 +146,29 @@ func (h *PostHandlers) UpdatePost(c *gin.Context) {
 // @Summary Delete post
 // @Description Delete post
 // @Tags posts
+// @Param id path int true "Post ID"
 // @Accept  json
 // @Produce  json
 // @Success 200 {object} storage.Post
 // @Router /posts/{id} [delete]
-func DeletePost(c *gin.Context) {
+func (h *PostHandlers) DeletePost(c *gin.Context) {
+	id_p := c.Param("id")
+	id, err := strconv.Atoi(id_p)
+	if err != nil {
+		h.logger.Error("error request: " + err.Error())
+		c.JSON(400, gin.H{"error": "Invalid ID format"})
+	}
+	exsist := h.repo.IsExist(c.Request.Context(), id)
+	if !exsist {
+		c.JSON(404, gin.H{"error": "Post not found"})
+		return
+	}
+	err = h.repo.Delete(c.Request.Context(), id)
+	if err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
+	h.logger.Info("200 OK DELETE /posts/" + id_p)
+	c.JSON(200, gin.H{"Status": "Post deleted"})
+
 }

backend/internal/handlers/registry_handlers.go

@@ -3,6 +3,7 @@ package handlers
 import (
 	"database/sql"
 
+	"gitea.d3m0k1d.ru/d3m0k1d/d3m0k1d.ru/backend/internal/auth"
 	"gitea.d3m0k1d.ru/d3m0k1d/d3m0k1d.ru/backend/internal/repositories"
 	"github.com/gin-gonic/gin"
 )
@@ -16,10 +17,11 @@ func Register(router *gin.Engine, db *sql.DB) {
 	v1.GET("/auth/github", handler_auth.LoginGithub)
 	posts := v1.Group("posts")
 	{
+
 		posts.GET("/", handler_posts.GetPosts)
 		posts.GET("/:id", handler_posts.GetPost)
 		posts.POST("/", handler_posts.CreatePost)
 		posts.PUT("/:id", handler_posts.UpdatePost)
-		posts.DELETE("/:id", DeletePost)
+		posts.DELETE("/:id", handler_posts.DeletePost).Use(auth.JWTMiddleware())
 	}
 }

backend/internal/repositories/interface.go

@@ -9,6 +9,8 @@ import (
 type PostRepository interface {
 	GetAll(ctx context.Context) ([]storage.PostReq, error)
 	GetByID(ctx context.Context, id int) (storage.PostReq, error)
+	GetLastID(ctx context.Context) (int, error)
+	IsExist(ctx context.Context, id int) bool
 	Create(ctx context.Context, post storage.Post) error
 	Update(ctx context.Context, id int, post storage.Post) error
 	Delete(ctx context.Context, id int) error

backend/internal/repositories/post_repository.go

@@ -92,6 +92,33 @@ func (p *postRepository) Update(ctx context.Context, id int, post storage.Post)
 }
 
 func (p *postRepository) Delete(ctx context.Context, id int) error {
-
+	_, err := p.db.Exec("DELETE FROM posts WHERE id = ?", id)
+	if err != nil {
+		return err
+	}
+	p.logger.Info("Post deleted:", "id", id)
 	return nil
 }
+
+func (p *postRepository) GetLastID(ctx context.Context) (int, error) {
+	var id int
+	row := p.db.QueryRow("SELECT id FROM posts ORDER BY id DESC LIMIT 1")
+	err := row.Scan(&id)
+	if err != nil {
+		p.logger.Error("error scan: " + err.Error())
+	}
+	return id, nil
+}
+
+func (p *postRepository) IsExist(ctx context.Context, id int) bool {
+	var exists int
+	err := p.db.QueryRowContext(ctx, "SELECT 1 FROM posts WHERE id = ? LIMIT 1", id).Scan(&exists)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return false
+		}
+		p.logger.Error("error checking post existence: " + err.Error())
+		return false
+	}
+	return true
+}