chrone: sperate client and server to different repos.

src/containers/Entries/utils.js

@@ -0,0 +1,133 @@
+import React from 'react';
+import * as R from 'ramda';
+import { sumBy, isEmpty, last } from 'lodash';
+
+import { useItem } from 'hooks/query';
+import { toSafeNumber, saveInvoke } from 'utils';
+
+/**
+ * Retrieve item entry total from the given rate, quantity and discount.
+ * @param {number} rate
+ * @param {number} quantity
+ * @param {number} discount
+ * @return {number}
+ */
+export const calcItemEntryTotal = (discount, quantity, rate) => {
+  const _quantity = toSafeNumber(quantity);
+  const _rate = toSafeNumber(rate);
+  const _discount = toSafeNumber(discount);
+
+  return _quantity * _rate - (_quantity * _rate * _discount) / 100;
+};
+
+/**
+ * Updates the items entries total.
+ */
+export function updateItemsEntriesTotal(rows) {
+  return rows.map((row) => ({
+    ...row,
+    amount: calcItemEntryTotal(row.discount, row.quantity, row.rate),
+  }));
+}
+
+export const ITEM_TYPE = {
+  SELLABLE: 'SELLABLE',
+  PURCHASABLE: 'PURCHASABLE',
+};
+
+/**
+ * Retrieve total of the given items entries.
+ */
+export function getEntriesTotal(entries) {
+  return sumBy(entries, 'amount');
+}
+
+/**
+ * Ensure the given entries have enough empty line on the last.
+ * @param {Object} defaultEntry - Default entry.
+ * @param {Array} entries - Entries.
+ * @return {Array}
+ */
+export const ensureEntriesHaveEmptyLine = R.curry((defaultEntry, entries) => {
+  const lastEntry = last(entries);
+
+  if (isEmpty(lastEntry.account_id) || isEmpty(lastEntry.amount)) {
+    return [...entries, defaultEntry];
+  }
+  return entries;
+});
+
+export const isLandedCostDisabled = (item) =>
+  ['service', 'non-inventory'].indexOf(item.type) !== -1;
+
+/**
+ * Handle fetch item row details and retrieves the new table row.
+ */
+export function useFetchItemRow({ landedCost, itemType, notifyNewRow }) {
+  const [itemRow, setItemRow] = React.useState(null);
+  const [cellsLoading, setCellsLoading] = React.useState(null);
+
+  // Fetches the item details.
+  const {
+    data: item,
+    isFetching: isItemFetching,
+    isSuccess: isItemSuccess,
+  } = useItem(itemRow && itemRow.itemId, {
+    enabled: !!(itemRow && itemRow.itemId),
+  });
+
+  // Once the item start loading give the table cells loading state.
+  React.useEffect(() => {
+    if (itemRow && isItemFetching) {
+      setCellsLoading([
+        [itemRow.rowIndex, 'rate'],
+        [itemRow.rowIndex, 'description'],
+        [itemRow.rowIndex, 'quantity'],
+        [itemRow.rowIndex, 'discount'],
+      ]);
+    } else {
+      setCellsLoading(null);
+    }
+  }, [isItemFetching, setCellsLoading, itemRow]);
+
+  // Once the item selected and fetched set the initial details to the table.
+  React.useEffect(() => {
+    if (isItemSuccess && item && itemRow) {
+      const { rowIndex } = itemRow;
+      const price =
+        itemType === ITEM_TYPE.PURCHASABLE ? item.cost_price : item.sell_price;
+
+      const description =
+        itemType === ITEM_TYPE.PURCHASABLE
+          ? item.cost_description
+          : item.sell_description;
+
+      // Detarmines whether the landed cost checkbox should be disabled.
+      const landedCostDisabled = isLandedCostDisabled(item);
+
+      // The new row.
+      const newRow = {
+        rate: price,
+        description,
+        quantity: 1,
+        ...(landedCost
+          ? {
+              landed_cost: false,
+              landed_cost_disabled: landedCostDisabled,
+            }
+          : {}),
+      };
+      setItemRow(null);
+      saveInvoke(notifyNewRow, newRow, rowIndex);
+    }
+  }, [item, itemRow, itemType, isItemSuccess, landedCost, notifyNewRow]);
+
+  return {
+    isItemFetching,
+    isItemSuccess,
+    item,
+    setItemRow,
+    itemRow,
+    cellsLoading,
+  };
+}