feat: add getmovementstock on backend

backend/handlers/stock_handler.go

@@ -114,3 +114,21 @@ func StockOut(c *gin.Context) {
 
 	c.JSON(http.StatusOK, gin.H{"message": "Уход оформлен"})
 }
+
+func GetStockMovements(c *gin.Context) {
+	itemID := c.Query("item_id")
+
+	var movements []models.StockMovement
+	query := database.DB.Preload("Item").Order("created_at desc")
+
+	if itemID != "" {
+		query = query.Where("item_id = ?", itemID)
+	}
+
+	if err := query.Find(&movements).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Не удалось получить историю"})
+		return
+	}
+
+	c.JSON(http.StatusOK, movements)
+}