feat: order get requests

api/controllers/itemController.go

@@ -231,3 +231,53 @@ func AddItemToOrder(pool *pgxpool.Pool) gin.HandlerFunc {
 		ctx.JSON(http.StatusOK, order_item_price)
 	}
 }
+
+func GetOrderItems(pool *pgxpool.Pool) gin.HandlerFunc {
+	return func(ctx *gin.Context) {
+		conn, conn_err := pool.Acquire(ctx)
+		if conn_err != nil {
+			log.Printf("GetOrderItems(): ERROR: Failed to connect... %s", conn_err.Error())
+			ctx.AbortWithStatus(http.StatusInternalServerError)
+			return
+		}
+		defer conn.Release()
+
+		order_id := ctx.Query("order_id")
+
+		if order_id == "" {
+			ctx.String(http.StatusBadRequest, "GetOrderItems(): ERROR: order id not supplied")
+			return
+		}
+
+		_, parse_err := strconv.ParseInt(order_id, 10, 64)
+
+		if parse_err != nil {
+			ctx.String(http.StatusBadRequest, "GetOrderItem(): ERROR...  order id not an integer")
+			return
+		}
+
+		rows, query_err := conn.Query(context.Background(), queries.GET_ORDER_ITEMS, order_id)
+		if query_err != nil {
+			ctx.String(http.StatusInternalServerError, "GetOrderItems(): ERROR... failed to query database.")
+			log.Printf("GetOrderItems(): ERROR... Failed to query database... %s", query_err.Error())
+			return
+		}
+		defer rows.Close()
+
+		var items []dto.OrderItemPriceResponse
+
+		for rows.Next() {
+			var item dto.OrderItemPriceResponse
+			scan_err := rows.Scan(&item.ItemId, &item.OrderId, &item.ItemName, &item.Quantity, &item.Made, &item.CreatedAt, &item.TotalPrice, &item.UnitPrice)
+			if scan_err != nil {
+				ctx.String(http.StatusInternalServerError, "GetOrderItems(): ERROR... Failed to scan data...")
+				log.Printf("GetOrderItems(): ERROR... failed to scan data... %s", scan_err.Error())
+				return
+			}
+
+			items = append(items, item)
+		}
+
+		ctx.JSON(http.StatusOK, items)
+	}
+}