feat(api): add endpoints to edit and delete cover letters

backend/controllers/cover/cover.go

@@ -142,8 +142,83 @@ func Post(c *gin.Context) {
 	res.Success(c, gin.H{"message": "Successfully created " + coverName})
 }
 
+type CoverPut struct {
+	Name   string `json:"name" validate:"required,min=1"`
+	Letter string `json:"letter" validate:"required,min=50"`
+}
+
 func Put(c *gin.Context) {
+	// Get request data
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	var data CoverPut
+	if err := utils.BindAndValidate(&data, c); err != nil {
+		res.Error(c, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	user, err := jwt.GetUser(c)
+	if err != nil {
+		res.NeedsToLogin(c)
+		return
+	}
+
+	// Find cover letter in database, verify it exists, and update it
+	letters, err := cover.Get("user_id = $1 AND id = $2", user.Id, id)
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	if len(letters) == 0 {
+		res.Error(c, "Cover letter not found", http.StatusNotFound)
+		return
+	}
+
+	err = cover.Update(data.Name, data.Letter, id)
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	res.Success(c, gin.H{"message": "Successfully updated cover letter"})
 }
 
 func Delete(c *gin.Context) {
+	// Get request data
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	user, err := jwt.GetUser(c)
+	if err != nil {
+		res.NeedsToLogin(c)
+		return
+	}
+
+	// Find cover letter in database, verify it exists, and delete it
+	letters, err := cover.Get("user_id = $1 AND id = $2", user.Id, id)
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	if len(letters) == 0 {
+		res.Error(c, "Cover letter not found", http.StatusNotFound)
+		return
+	}
+
+	err = cover.Delete(id)
+	if err != nil {
+		res.Error(c, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	res.Success(c, gin.H{"message": "Successfully deleted cover letter"})
 }

backend/models/cover/cover.go

@@ -61,3 +61,23 @@ func Create(name string, letter string, userId float64) error {
 
 	return err
 }
+
+func Update(name string, letter string, id int) error {
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	query := `UPDATE cover_letters SET name = $1, letter = $2 WHERE id = $3`
+	_, err := db.Pool.Exec(ctx, query, name, letter, id)
+
+	return err
+}
+
+func Delete(id int) error {
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	query := `DELETE FROM cover_letters WHERE id = $1`
+	_, err := db.Pool.Exec(ctx, query, id)
+
+	return err
+}

backend/routes/routes.go

@@ -32,9 +32,11 @@ func SetupRoutes() *gin.Engine {
 
 	// Cover letter routes
 	covers := auth.Group("/cover")
-	covers.GET("", cover.Get)
-	covers.GET("/:id", cover.GetID)
-	covers.POST("", cover.Post)
+	covers.GET("", cover.Get)           // Get all letters
+	covers.GET("/:id", cover.GetID)     // get single letter
+	covers.POST("", cover.Post)         // create new letter
+	covers.PUT("/:id", cover.Put)       // edit letter
+	covers.DELETE("/:id", cover.Delete) // delete letter
 
 	return r
 }