grocy/public/viewjs/purchase.js

$('#save-purchase-button').on('click', function(e)
{
	e.preventDefault();

	var jsonForm = $('#purchase-form').serializeJSON();
	Grocy.FrontendHelpers.BeginUiBusy("purchase-form");

	Grocy.Api.Get('stock/products/' + jsonForm.product_id,
		function(productDetails)
		{
			var amount = jsonForm.amount * productDetails.product.qu_factor_purchase_to_stock;

			var price = "";
			if (!jsonForm.price.toString().isEmpty())
			{
				price = parseFloat(jsonForm.price).toFixed(2);
			}

			var jsonData = {};
			jsonData.amount = amount;
			jsonData.best_before_date = Grocy.Components.DateTimePicker.GetValue();
			jsonData.price = price;

			Grocy.Api.Post('stock/products/' + jsonForm.product_id + '/add', jsonData,
				function(result)
				{
					var addBarcode = GetUriParam('addbarcodetoselection');
					if (addBarcode !== undefined)
					{
						var existingBarcodes = productDetails.product.barcode || '';
						if (existingBarcodes.length === 0)
						{
							productDetails.product.barcode = addBarcode;
						}
						else
						{
							productDetails.product.barcode += ',' + addBarcode;
						}

						Grocy.Api.Put('objects/products/' + productDetails.product.id, productDetails.product,
							function (result) { },
							function(xhr)
							{
								Grocy.FrontendHelpers.EndUiBusy("purchase-form");
								console.error(xhr);
							}
						);
					}

					var successMessage = L('Added #1 #2 of #3 to stock', amount, Pluralize(amount, productDetails.quantity_unit_stock.name, productDetails.quantity_unit_stock.name_plural), productDetails.product.name) + '<br><a class="btn btn-secondary btn-sm mt-2" href="#" onclick="UndoStockBooking(' + result.booking_id + ')"><i class="fas fa-undo"></i> ' + L("Undo") + '</a>';

					if (addBarcode !== undefined)
					{
						window.location.href = U('/purchase');
					}
					else if (GetUriParam("flow") === "shoppinglistitemtostock" && typeof GetUriParam("embedded") !== undefined)
					{
						window.parent.postMessage(WindowMessageBag("AfterItemAdded", GetUriParam("listitemid")), Grocy.BaseUrl);
						window.parent.postMessage(WindowMessageBag("ShowSuccessMessage", successMessage), Grocy.BaseUrl);
						window.parent.postMessage(WindowMessageBag("Ready"), Grocy.BaseUrl);
					}
					else
					{
						Grocy.FrontendHelpers.EndUiBusy("purchase-form");
						toastr.success(successMessage);
						$('#amount').val(0);
						$('#price').val('');
						Grocy.Components.DateTimePicker.Clear();
						Grocy.Components.ProductPicker.SetValue('');
						Grocy.Components.ProductPicker.GetInputElement().focus();
						Grocy.FrontendHelpers.ValidateForm('purchase-form');
					}
				},
				function(xhr)
				{
					Grocy.FrontendHelpers.EndUiBusy("purchase-form");
					console.error(xhr);
				}
			);
		},
		function(xhr)
		{
			Grocy.FrontendHelpers.EndUiBusy("purchase-form");
			console.error(xhr);
		}
	);
});

Grocy.Components.ProductPicker.GetPicker().on('change', function(e)
{
	var productId = $(e.target).val();

	if (productId)
	{
		Grocy.Components.ProductCard.Refresh(productId);

		Grocy.Api.Get('stock/products/' + productId,
			function(productDetails)
			{
				$('#amount_qu_unit').text(productDetails.quantity_unit_purchase.name);
				$('#price').val(productDetails.last_price);

				if (productDetails.product.default_best_before_days.toString() !== '0')
				{
					if (productDetails.product.default_best_before_days == -1)
					{
						if (!$("#datetimepicker-shortcut").is(":checked"))
						{
							$("#datetimepicker-shortcut").click();
						}
					}
					else
					{
						Grocy.Components.DateTimePicker.SetValue(moment().add(productDetails.product.default_best_before_days, 'days').format('YYYY-MM-DD'));
					}
					$('#amount').focus();

					Grocy.FrontendHelpers.ValidateForm('purchase-form');
					if (GetUriParam("flow") === "shoppinglistitemtostock" && BoolVal(Grocy.UserSettings.shopping_list_to_stock_workflow_auto_submit_when_prefilled) && document.getElementById("purchase-form").checkValidity() === true)
					{
						$("#save-purchase-button").click();
					}
				}
				else
				{
					Grocy.Components.DateTimePicker.GetInputElement().focus();
				}
			},
			function(xhr)
			{
				console.error(xhr);
			}
		);
	}
});

$('#amount').val(0);
Grocy.FrontendHelpers.ValidateForm('purchase-form');

if (Grocy.Components.ProductPicker.InProductAddWorkflow() === false)
{
	Grocy.Components.ProductPicker.GetInputElement().focus();
}
else
{
	Grocy.Components.ProductPicker.GetPicker().trigger('change');
}

$('#amount').on('focus', function(e)
{
	if (Grocy.Components.ProductPicker.GetValue().length === 0)
	{
		Grocy.Components.ProductPicker.GetInputElement().focus();
	}
	else
	{
		$(this).select();
	}
});

$('#purchase-form input').keyup(function(event)
{
	Grocy.FrontendHelpers.ValidateForm('purchase-form');
});

$('#purchase-form input').keydown(function(event)
{
	if (event.keyCode === 13) //Enter
	{
		event.preventDefault();

		if (document.getElementById('purchase-form').checkValidity() === false) //There is at least one validation error
		{
			return false;
		}
		else
		{
			$('#save-purchase-button').click();
		}
	}
});

Grocy.Components.DateTimePicker.GetInputElement().on('change', function(e)
{
	Grocy.FrontendHelpers.ValidateForm('purchase-form');
});

Grocy.Components.DateTimePicker.GetInputElement().on('keypress', function(e)
{
	Grocy.FrontendHelpers.ValidateForm('purchase-form');
});

$('#amount').on('change', function(e)
{
	Grocy.FrontendHelpers.ValidateForm('purchase-form');
});

if (GetUriParam("flow") === "shoppinglistitemtostock")
{
	$('#amount').val(GetUriParam("amount"));
}

function UndoStockBooking(bookingId)
{
	Grocy.Api.Post('stock/bookings/' + bookingId.toString() + '/undo', { },
		function(result)
		{
			toastr.success(L("Booking successfully undone"));
		},
		function(xhr)
		{
			console.error(xhr);
		}
	);
};