item and location names will be shown instead of their ids

handlers/api.go

@@ -214,6 +214,34 @@ func Item(w http.ResponseWriter, r *http.Request) {
 
 	switch r.Method {
 	case http.MethodGet:
+
+		idStr := r.URL.Query().Get("id")
+
+		if idStr != "" {
+			id, err := strconv.Atoi(idStr)
+			if err != nil {
+				http.Error(w, "Invalid ID parameter", http.StatusBadRequest)
+				return
+			}
+
+			var item models.Item
+			err = storage.DB.QueryRow("SELECT id, name, category, description, total_quantity FROM items WHERE id = ?", id).Scan(&item.ID, &item.Name, &item.Category, &item.Description, &item.TotalQuantity)
+			if err != nil {
+				if err == sql.ErrNoRows {
+					log.Println("GET [api/locations] " + r.RemoteAddr + ": Location not found (ID " + idStr + ")")
+					http.Error(w, "Location not found", http.StatusNotFound)
+					return
+				}
+				log.Println("GET [api/item] DB Error: " + err.Error())
+				http.Error(w, "Internal server error", http.StatusInternalServerError)
+				return
+			}
+
+			json.NewEncoder(w).Encode(item)
+			log.Println("GET [api/item] " + r.RemoteAddr + ": Successfully retrieved item ID " + idStr)
+			return
+		}
+
 		query := `
 		SELECT 
 			i.id, i.name, i.category, i.description,