chrone: sperate client and server to different repos.

src/containers/Expenses/ExpenseForm/ExpenseFloatingActions.js

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+import React from 'react';
+import {
+  Intent,
+  Button,
+  ButtonGroup,
+  Popover,
+  PopoverInteractionKind,
+  Position,
+  Menu,
+  MenuItem,
+} from '@blueprintjs/core';
+import { useFormikContext } from 'formik';
+import { FormattedMessage as T } from 'components';
+import { useHistory } from 'react-router-dom';
+
+import { CLASSES } from 'common/classes';
+import classNames from 'classnames';
+import { Icon, If } from 'components';
+import { useExpenseFormContext } from './ExpenseFormPageProvider';
+
+/**
+ * Expense form floating actions.
+ */
+export default function ExpenseFloatingFooter() {
+  const history = useHistory();
+
+  // Formik context.
+  const { isSubmitting, submitForm, resetForm } = useFormikContext();
+
+  // Expense form context.
+  const { setSubmitPayload, isNewMode } = useExpenseFormContext();
+
+  // Handle submit & publish button click.
+  const handleSubmitPublishBtnClick = (event) => {
+    setSubmitPayload({ redirect: true, publish: true});
+    submitForm();
+  };
+
+  // Handle submit, publish & new button click.
+  const handleSubmitPublishAndNewBtnClick = (event) => {
+    setSubmitPayload({ redirect: false, publish: true, resetForm: true });
+    submitForm();
+  };
+
+  // Handle submit, publish & continue editing button click.
+  const handleSubmitPublishContinueEditingBtnClick = (event) => {
+    setSubmitPayload({ redirect: false, publish: true });
+    submitForm();
+  };
+
+  // Handle submit as draft button click.
+  const handleSubmitDraftBtnClick = (event) => {
+    setSubmitPayload({ redirect: true, publish: false });
+    submitForm();
+  };
+
+  // Handle submit as draft & new button click.
+  const handleSubmitDraftAndNewBtnClick = (event) => {
+    setSubmitPayload({ redirect: false, publish: false, resetForm: true });
+    submitForm();
+  };
+
+  // Handles submit as draft & continue editing button click.
+  const handleSubmitDraftContinueEditingBtnClick = (event) => {
+    setSubmitPayload({ redirect: false, publish: false });
+    submitForm();
+  };
+
+  // Handle cancel button click.
+  const handleCancelBtnClick = (event) => {
+    history.goBack();
+  };
+
+  // Handles clear form button click.
+  const handleClearBtnClick = (event) => {
+    resetForm();
+  };
+
+  return (
+    <div className={classNames(CLASSES.PAGE_FORM_FLOATING_ACTIONS)}>
+      {/* ----------- Save And Publish ----------- */}
+      <If condition={isNewMode}>
+        <ButtonGroup>
+          <Button
+            disabled={isSubmitting}
+            loading={isSubmitting}
+            intent={Intent.PRIMARY}
+            onClick={handleSubmitPublishBtnClick}
+            text={<T id={'save_publish'} />}
+          />
+          <Popover
+            content={
+              <Menu>
+                <MenuItem
+                  text={<T id={'publish_and_new'} />}
+                  onClick={handleSubmitPublishAndNewBtnClick}
+                />
+                <MenuItem
+                  text={<T id={'publish_continue_editing'} />}
+                  onClick={handleSubmitPublishContinueEditingBtnClick}
+                />
+              </Menu>
+            }
+            minimal={true}
+            interactionKind={PopoverInteractionKind.CLICK}
+            position={Position.BOTTOM_LEFT}
+          >
+            <Button
+              disabled={isSubmitting}
+              intent={Intent.PRIMARY}
+              rightIcon={<Icon icon="arrow-drop-up-16" iconSize={20} />}
+            />
+          </Popover>
+        </ButtonGroup>
+        {/* ----------- Save As Draft ----------- */}
+        <ButtonGroup>
+          <Button
+            disabled={isSubmitting}
+            className={'ml1'}
+            onClick={handleSubmitDraftBtnClick}
+            text={<T id={'save_as_draft'} />}
+          />
+          <Popover
+            content={
+              <Menu>
+                <MenuItem
+                  text={<T id={'save_and_new'} />}
+                  onClick={handleSubmitDraftAndNewBtnClick}
+                />
+                <MenuItem
+                  text={<T id={'save_continue_editing'} />}
+                  onClick={handleSubmitDraftContinueEditingBtnClick}
+                />
+              </Menu>
+            }
+            minimal={true}
+            interactionKind={PopoverInteractionKind.CLICK}
+            position={Position.BOTTOM_LEFT}
+          >
+            <Button
+              disabled={isSubmitting}
+              rightIcon={<Icon icon="arrow-drop-up-16" iconSize={20} />}
+            />
+          </Popover>
+        </ButtonGroup>
+      </If>
+      {/* ----------- Save and New ----------- */}
+      <If condition={!isNewMode}>
+        <ButtonGroup>
+          <Button
+            disabled={isSubmitting}
+            loading={isSubmitting}
+            intent={Intent.PRIMARY}
+            onClick={handleSubmitPublishBtnClick}
+            text={<T id={'save'} />}
+          />
+          <Popover
+            content={
+              <Menu>
+                <MenuItem
+                  text={<T id={'save_and_new'} />}
+                  onClick={handleSubmitPublishAndNewBtnClick}
+                />
+              </Menu>
+            }
+            minimal={true}
+            interactionKind={PopoverInteractionKind.CLICK}
+            position={Position.BOTTOM_LEFT}
+          >
+            <Button
+              disabled={isSubmitting}
+              intent={Intent.PRIMARY}
+              rightIcon={<Icon icon="arrow-drop-up-16" iconSize={20} />}
+            />
+          </Popover>
+        </ButtonGroup>
+      </If>
+      {/* ----------- Clear & Reset----------- */}
+      <Button
+        className={'ml1'}
+        disabled={isSubmitting}
+        onClick={handleClearBtnClick}
+        text={!isNewMode ? <T id={'reset'} /> : <T id={'clear'} />}
+      />
+      {/* ----------- Cancel ----------- */}
+      <Button
+        className={'ml1'}
+        onClick={handleCancelBtnClick}
+        text={<T id={'cancel'} />}
+      />
+    </div>
+  );
+}

src/containers/Expenses/ExpenseForm/ExpenseForm.js

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+import React, { useMemo } from 'react';
+import { Intent } from '@blueprintjs/core';
+import intl from 'react-intl-universal';
+import { defaultTo, sumBy, isEmpty } from 'lodash';
+import { Formik, Form } from 'formik';
+import classNames from 'classnames';
+import { useHistory } from 'react-router-dom';
+import { CLASSES } from 'common/classes';
+import * as R from 'ramda';
+
+import ExpenseFormHeader from './ExpenseFormHeader';
+import ExpenseFormBody from './ExpenseFormBody';
+import ExpenseFloatingFooter from './ExpenseFloatingActions';
+import ExpenseFormFooter from './ExpenseFormFooter';
+
+import { useExpenseFormContext } from './ExpenseFormPageProvider';
+
+import withDashboardActions from 'containers/Dashboard/withDashboardActions';
+import withMediaActions from 'containers/Media/withMediaActions';
+import withSettings from 'containers/Settings/withSettings';
+import withCurrentOrganization from 'containers/Organization/withCurrentOrganization';
+
+import AppToaster from 'components/AppToaster';
+import {
+  CreateExpenseFormSchema,
+  EditExpenseFormSchema,
+} from './ExpenseForm.schema';
+import { transformErrors, defaultExpense, transformToEditForm } from './utils';
+import { compose, orderingLinesIndexes } from 'utils';
+
+/**
+ * Expense form.
+ */
+function ExpenseForm({
+  // #withSettings
+  preferredPaymentAccount,
+  // #withCurrentOrganization
+  organization: { base_currency },
+}) {
+  // Expense form context.
+  const {
+    editExpenseMutate,
+    createExpenseMutate,
+    expense,
+    expenseId,
+    submitPayload,
+  } = useExpenseFormContext();
+
+  const isNewMode = !expenseId;
+
+  // History context.
+  const history = useHistory();
+
+  // Form initial values.
+  const initialValues = useMemo(
+    () => ({
+      ...(!isEmpty(expense)
+        ? {
+            ...transformToEditForm(expense, defaultExpense),
+          }
+        : {
+            ...defaultExpense,
+            currency_code: base_currency,
+            payment_account_id: defaultTo(preferredPaymentAccount, ''),
+          }),
+    }),
+    [expense, base_currency, preferredPaymentAccount],
+  );
+
+  //  Handle form submit.
+  const handleSubmit = (values, { setSubmitting, setErrors, resetForm }) => {
+    setSubmitting(true);
+    const totalAmount = sumBy(values.categories, 'amount');
+
+    if (totalAmount <= 0) {
+      AppToaster.show({
+        message: intl.get('amount_cannot_be_zero_or_empty'),
+        intent: Intent.DANGER,
+      });
+      return;
+    }
+    // Filter expense entries that has no amount or expense account.
+    const categories = values.categories.filter(
+      (category) => category.amount && category.expense_account_id,
+    );
+
+    const form = {
+      ...values,
+      publish: submitPayload.publish,
+      categories: R.compose(orderingLinesIndexes)(categories),
+    };
+    // Handle request success.
+    const handleSuccess = (response) => {
+      AppToaster.show({
+        message: intl.get(
+          isNewMode
+            ? 'the_expense_has_been_created_successfully'
+            : 'the_expense_has_been_edited_successfully',
+          { number: values.payment_account_id },
+        ),
+        intent: Intent.SUCCESS,
+      });
+      setSubmitting(false);
+
+      if (submitPayload.redirect) {
+        history.push('/expenses');
+      }
+      if (submitPayload.resetForm) {
+        resetForm();
+      }
+    };
+
+    // Handle the request error.
+    const handleError = ({
+      response: {
+        data: { errors },
+      },
+    }) => {
+      transformErrors(errors, { setErrors });
+      setSubmitting(false);
+    };
+    if (isNewMode) {
+      createExpenseMutate(form).then(handleSuccess).catch(handleError);
+    } else {
+      editExpenseMutate([expense.id, form])
+        .then(handleSuccess)
+        .catch(handleError);
+    }
+  };
+
+  return (
+    <div
+      className={classNames(
+        CLASSES.PAGE_FORM,
+        CLASSES.PAGE_FORM_STRIP_STYLE,
+        CLASSES.PAGE_FORM_EXPENSE,
+      )}
+    >
+      <Formik
+        validationSchema={
+          isNewMode ? CreateExpenseFormSchema : EditExpenseFormSchema
+        }
+        initialValues={initialValues}
+        onSubmit={handleSubmit}
+      >
+        <Form>
+          <ExpenseFormHeader />
+          <ExpenseFormBody />
+          <ExpenseFormFooter />
+          <ExpenseFloatingFooter />
+        </Form>
+      </Formik>
+    </div>
+  );
+}
+
+export default compose(
+  withDashboardActions,
+  withMediaActions,
+  withSettings(({ expenseSettings }) => ({
+    preferredPaymentAccount: parseInt(
+      expenseSettings?.preferredPaymentAccount,
+      10,
+    ),
+  })),
+  withCurrentOrganization(),
+)(ExpenseForm);

src/containers/Expenses/ExpenseForm/ExpenseForm.schema.js

@@ -0,0 +1,41 @@
+import * as Yup from 'yup';
+import intl from 'react-intl-universal';
+import { DATATYPES_LENGTH } from 'common/dataTypes';
+import { isBlank } from 'utils';
+
+const Schema = Yup.object().shape({
+  beneficiary: Yup.string().label(intl.get('beneficiary')),
+  payment_account_id: Yup.number()
+    .required()
+    .label(intl.get('payment_account_')),
+  payment_date: Yup.date().required().label(intl.get('payment_date_')),
+  reference_no: Yup.string().min(1).max(DATATYPES_LENGTH.STRING).nullable(),
+  currency_code: Yup.string()
+    .nullable()
+    .max(3)
+    .label(intl.get('currency_code')),
+  description: Yup.string()
+    .trim()
+    .min(1)
+    .max(DATATYPES_LENGTH.TEXT)
+    .nullable()
+    .label(intl.get('description')),
+  publish: Yup.boolean(),
+  categories: Yup.array().of(
+    Yup.object().shape({
+      index: Yup.number().min(1).max(DATATYPES_LENGTH.INT_10).nullable(),
+      amount: Yup.number().nullable(),
+      expense_account_id: Yup.number()
+        .nullable()
+        .when(['amount'], {
+          is: (amount) => !isBlank(amount),
+          then: Yup.number().required(),
+        }),
+      landed_cost: Yup.boolean(),
+      description: Yup.string().max(DATATYPES_LENGTH.TEXT).nullable(),
+    }),
+  ),
+});
+
+export const CreateExpenseFormSchema = Schema;
+export const EditExpenseFormSchema = Schema;

src/containers/Expenses/ExpenseForm/ExpenseFormBody.js

@@ -0,0 +1,12 @@
+import React from 'react';
+import classNames from 'classnames';
+import { CLASSES } from 'common/classes';
+import ExpenseFormEntriesField from './ExpenseFormEntriesField';
+
+export default function ExpenseFormBody() {
+  return (
+    <div className={classNames(CLASSES.PAGE_FORM_BODY)}>
+      <ExpenseFormEntriesField />
+    </div>
+  );
+}

src/containers/Expenses/ExpenseForm/ExpenseFormEntriesField.js

@@ -0,0 +1,38 @@
+import { FastField } from 'formik';
+import React from 'react';
+import ExpenseFormEntriesTable from './ExpenseFormEntriesTable';
+import { useExpenseFormContext } from './ExpenseFormPageProvider';
+import { defaultExpenseEntry, accountsFieldShouldUpdate } from './utils';
+
+/**
+ * Expense form entries field.
+ */
+export default function ExpenseFormEntriesField({ linesNumber = 4 }) {
+  // Expense form context.
+  const { accounts } = useExpenseFormContext();
+
+  return (
+    <FastField
+      name={'categories'}
+      accounts={accounts}
+      shouldUpdate={accountsFieldShouldUpdate}
+    >
+      {({
+        form: { values, setFieldValue },
+        field: { value },
+        meta: { error, touched },
+      }) => (
+        <ExpenseFormEntriesTable
+          entries={value}
+          error={error}
+          onChange={(entries) => {
+            setFieldValue('categories', entries);
+          }}
+          defaultEntry={defaultExpenseEntry}
+          linesNumber={linesNumber}
+          currencyCode={values.currency_code}
+        />
+      )}
+    </FastField>
+  );
+}

src/containers/Expenses/ExpenseForm/ExpenseFormEntriesTable.js

@@ -0,0 +1,81 @@
+import React, { useCallback } from 'react';
+
+import { DataTableEditable } from 'components';
+import { useExpenseFormContext } from './ExpenseFormPageProvider';
+import { useExpenseFormTableColumns } from './components';
+import {
+  saveInvoke,
+  compose,
+  updateTableCell,
+  updateMinEntriesLines,
+  updateAutoAddNewLine,
+  updateRemoveLineByIndex,
+  orderingLinesIndexes,
+} from 'utils';
+
+/**
+ * Expenses form entries.
+ */
+export default function ExpenseFormEntriesTable({
+  // #ownPorps
+  entries,
+  defaultEntry,
+  error,
+  onChange,
+  currencyCode,
+  landedCost = true,
+}) {
+  // Expense form context.
+  const { accounts } = useExpenseFormContext();
+
+  // Memorized data table columns.
+  const columns = useExpenseFormTableColumns({ landedCost });
+
+  // Handles update datatable data.
+  const handleUpdateData = useCallback(
+    (rowIndex, columnId, value) => {
+      const newRows = compose(
+        // Update auto-adding new line.
+        updateAutoAddNewLine(defaultEntry, ['expense_account_id']),
+        // Update the row value of the given row index and column id.
+        updateTableCell(rowIndex, columnId, value),
+      )(entries);
+
+      saveInvoke(onChange, newRows);
+    },
+    [entries, defaultEntry, onChange],
+  );
+
+  // Handles click remove datatable row.
+  const handleRemoveRow = useCallback(
+    (rowIndex) => {
+      const newRows = compose(
+        // Ensure minimum lines count.
+        updateMinEntriesLines(4, defaultEntry),
+        // Remove the line by the given index.
+        updateRemoveLineByIndex(rowIndex),
+      )(entries);
+
+      saveInvoke(onChange, newRows);
+    },
+    [entries, defaultEntry, onChange],
+  );
+
+  return (
+    <DataTableEditable
+      name={'expense-form'}
+      columns={columns}
+      data={entries}
+      sticky={true}
+      payload={{
+        accounts: accounts,
+        errors: error,
+        updateData: handleUpdateData,
+        removeRow: handleRemoveRow,
+        autoFocus: ['expense_account_id', 0],
+        currencyCode
+      }}
+      footer={true}
+    />
+  );
+}

src/containers/Expenses/ExpenseForm/ExpenseFormFooter.js

@@ -0,0 +1,41 @@
+import React from 'react';
+import { FastField } from 'formik';
+import { FormGroup, TextArea } from '@blueprintjs/core';
+import { FormattedMessage as T } from 'components';
+import classNames from 'classnames';
+import { inputIntent } from 'utils';
+import { Row, Dragzone, Col, Postbox } from 'components';
+import { CLASSES } from 'common/classes';
+
+export default function ExpenseFormFooter() {
+  return (
+    <div className={classNames(CLASSES.PAGE_FORM_FOOTER)}>
+      <Postbox title={<T id={'expense_details'} />} defaultOpen={false}>
+        <Row>
+          <Col md={8}>
+            <FastField name={'description'}>
+              {({ field, meta: { error, touched } }) => (
+                <FormGroup
+                  label={<T id={'description'} />}
+                  className={'form-group--description'}
+                  intent={inputIntent({ error, touched })}
+                >
+                  <TextArea growVertically={true} {...field} />
+                </FormGroup>
+              )}
+            </FastField>
+          </Col>
+
+          <Col md={4}>
+            <Dragzone
+              initialFiles={[]}
+              // onDrop={handleDropFiles}
+              // onDeleteFile={handleDeleteFile}
+              hint={<T id={'attachments_maximum'} />}
+            />
+          </Col>
+        </Row>
+      </Postbox>
+    </div>
+  );
+}

src/containers/Expenses/ExpenseForm/ExpenseFormHeader.js

@@ -0,0 +1,31 @@
+import React, { useMemo } from 'react';
+import classNames from 'classnames';
+import { sumBy } from 'lodash';
+import { useFormikContext } from 'formik';
+import { FormattedMessage as T } from 'components';
+
+import { CLASSES } from 'common/classes';
+
+import ExpenseFormHeaderFields from './ExpenseFormHeaderFields';
+import { PageFormBigNumber } from 'components';
+
+// Expense form header.
+export default function ExpenseFormHeader() {
+  const { values } = useFormikContext();
+
+  // Calculates the expense entries amount.
+  const totalExpenseAmount = useMemo(() => sumBy(values.categories, 'amount'), [
+    values.categories,
+  ]);
+
+  return (
+    <div className={classNames(CLASSES.PAGE_FORM_HEADER)}>
+      <ExpenseFormHeaderFields />
+      <PageFormBigNumber
+        label={<T id={'expense_amount'}/>}
+        amount={totalExpenseAmount}
+        currencyCode={values?.currency_code}
+      />
+    </div>
+  );
+}

src/containers/Expenses/ExpenseForm/ExpenseFormHeaderFields.js

@@ -0,0 +1,153 @@
+import React from 'react';
+import { InputGroup, FormGroup, Position, Classes } from '@blueprintjs/core';
+import { DateInput } from '@blueprintjs/datetime';
+import { FastField, ErrorMessage } from 'formik';
+import { FormattedMessage as T } from 'components';
+import classNames from 'classnames';
+import { CLASSES } from 'common/classes';
+import {
+  momentFormatter,
+  tansformDateValue,
+  inputIntent,
+  handleDateChange,
+} from 'utils';
+import { customersFieldShouldUpdate, accountsFieldShouldUpdate } from './utils';
+import {
+  CurrencySelectList,
+  ContactSelecetList,
+  AccountsSelectList,
+  FieldRequiredHint,
+  Hint,
+} from 'components';
+import { ACCOUNT_PARENT_TYPE } from 'common/accountTypes';
+import { useExpenseFormContext } from './ExpenseFormPageProvider';
+
+/**
+ * Expense form header.
+ */
+export default function ExpenseFormHeader() {
+  const { currencies, accounts, customers } = useExpenseFormContext();
+
+  return (
+    <div className={classNames(CLASSES.PAGE_FORM_HEADER_FIELDS)}>
+      <FastField name={'payment_date'}>
+        {({ form, field: { value }, meta: { error, touched } }) => (
+          <FormGroup
+            label={<T id={'payment_date'} />}
+            labelInfo={<Hint />}
+            className={classNames('form-group--select-list', Classes.FILL)}
+            intent={inputIntent({ error, touched })}
+            helperText={<ErrorMessage name="payment_date" />}
+            inline={true}
+          >
+            <DateInput
+              {...momentFormatter('YYYY/MM/DD')}
+              value={tansformDateValue(value)}
+              onChange={handleDateChange((formattedDate) => {
+                form.setFieldValue('payment_date', formattedDate);
+              })}
+              popoverProps={{ position: Position.BOTTOM, minimal: true }}
+            />
+          </FormGroup>
+        )}
+      </FastField>
+
+      <FastField
+        name={'payment_account_id'}
+        accounts={accounts}
+        shouldUpdate={accountsFieldShouldUpdate}
+      >
+        {({ form, field: { value }, meta: { error, touched } }) => (
+          <FormGroup
+            label={<T id={'payment_account'} />}
+            className={classNames(
+              'form-group--payment_account',
+              'form-group--select-list',
+              Classes.FILL,
+            )}
+            labelInfo={<FieldRequiredHint />}
+            intent={inputIntent({ error, touched })}
+            helperText={<ErrorMessage name={'payment_account_id'} />}
+            inline={true}
+          >
+            <AccountsSelectList
+              accounts={accounts}
+              onAccountSelected={(account) => {
+                form.setFieldValue('payment_account_id', account.id);
+              }}
+              defaultSelectText={<T id={'select_payment_account'} />}
+              selectedAccountId={value}
+              filterByParentTypes={[ACCOUNT_PARENT_TYPE.CURRENT_ASSET]}
+            />
+          </FormGroup>
+        )}
+      </FastField>
+
+      <FastField name={'currency_code'}>
+        {({ form, field: { value }, meta: { error, touched } }) => (
+          <FormGroup
+            label={<T id={'currency'} />}
+            className={classNames(
+              'form-group--select-list',
+              'form-group--currency',
+              Classes.FILL,
+            )}
+            intent={inputIntent({ error, touched })}
+            helperText={<ErrorMessage name="currency_code" />}
+            inline={true}
+          >
+            <CurrencySelectList
+              currenciesList={currencies}
+              selectedCurrencyCode={value}
+              onCurrencySelected={(currencyItem) => {
+                form.setFieldValue('currency_code', currencyItem.currency_code);
+              }}
+              defaultSelectText={value}
+              disabled={true}
+            />
+          </FormGroup>
+        )}
+      </FastField>
+
+      <FastField name={'reference_no'}>
+        {({ form, field, meta: { error, touched } }) => (
+          <FormGroup
+            label={<T id={'reference_no'} />}
+            className={classNames('form-group--ref_no', Classes.FILL)}
+            intent={inputIntent({ error, touched })}
+            helperText={<ErrorMessage name="reference_no" />}
+            inline={true}
+          >
+            <InputGroup minimal={true} {...field} />
+          </FormGroup>
+        )}
+      </FastField>
+
+      <FastField
+        name={'customer_id'}
+        customers={customers}
+        shouldUpdate={customersFieldShouldUpdate}
+      >
+        {({ form, field: { value }, meta: { error, touched } }) => (
+          <FormGroup
+            label={<T id={'customer'} />}
+            className={classNames('form-group--select-list', Classes.FILL)}
+            labelInfo={<Hint />}
+            intent={inputIntent({ error, touched })}
+            helperText={<ErrorMessage name={'assign_to_customer'} />}
+            inline={true}
+          >
+            <ContactSelecetList
+              contactsList={customers}
+              selectedContactId={value}
+              defaultSelectText={<T id={'select_customer_account'} />}
+              onContactSelected={(customer) => {
+                form.setFieldValue('customer_id', customer.id);
+              }}
+            />
+          </FormGroup>
+        )}
+      </FastField>
+    </div>
+  );
+}

src/containers/Expenses/ExpenseForm/ExpenseFormPage.js

@@ -0,0 +1,22 @@
+import React from 'react';
+import { useParams } from 'react-router-dom';
+
+import 'style/pages/Expense/PageForm.scss';
+
+import ExpenseForm from './ExpenseForm';
+import { ExpenseFormPageProvider } from './ExpenseFormPageProvider';
+
+/**
+ * Expense page form.
+ */
+export default function ExpenseFormPage() {
+  const { id } = useParams();
+  const expenseId = parseInt(id, 10);
+
+  return (
+    <ExpenseFormPageProvider expenseId={expenseId}>
+      <ExpenseForm />
+    </ExpenseFormPageProvider>
+  );
+}
+ 

src/containers/Expenses/ExpenseForm/ExpenseFormPageProvider.js

@@ -0,0 +1,85 @@
+import React, { createContext } from 'react';
+import DashboardInsider from 'components/Dashboard/DashboardInsider';
+import {
+  useCurrencies,
+  useCustomers,
+  useExpense,
+  useAccounts,
+  useCreateExpense,
+  useEditExpense,
+} from 'hooks/query';
+
+const ExpenseFormPageContext = createContext();
+
+/**
+ * Accounts chart data provider.
+ */
+function ExpenseFormPageProvider({ expenseId, ...props }) {
+  const { data: currencies, isLoading: isCurrenciesLoading } = useCurrencies();
+
+  // Fetches customers list.
+  const {
+    data: { customers },
+    isLoading: isCustomersLoading,
+  } = useCustomers();
+
+  // Fetch the expense details.
+  const { data: expense, isLoading: isExpenseLoading } = useExpense(
+    expenseId,
+    {
+      enabled: !!expenseId,
+    },
+  );
+
+  // Fetch accounts list.
+  const { data: accounts, isLoading: isAccountsLoading } = useAccounts();
+
+  // Create and edit expense mutate.
+  const { mutateAsync: createExpenseMutate } = useCreateExpense();
+  const { mutateAsync: editExpenseMutate } = useEditExpense();
+
+  // Submit form payload.
+  const [submitPayload, setSubmitPayload] = React.useState({});
+
+  // 
+  const isNewMode = !expenseId;
+
+  // Provider payload.
+  const provider = {
+    isNewMode,
+    expenseId,
+    submitPayload,
+
+    currencies,
+    customers,
+    expense,
+    accounts,
+
+    isCurrenciesLoading,
+    isExpenseLoading,
+    isCustomersLoading,
+    isAccountsLoading,
+
+    createExpenseMutate,
+    editExpenseMutate,
+    setSubmitPayload,
+  };
+
+  return (
+    <DashboardInsider
+      loading={
+        isCurrenciesLoading ||
+        isExpenseLoading ||
+        isCustomersLoading ||
+        isAccountsLoading
+      }
+      name={'expense-form'}
+    >
+      <ExpenseFormPageContext.Provider value={provider} {...props} />
+    </DashboardInsider>
+  );
+}
+
+const useExpenseFormContext = () => React.useContext(ExpenseFormPageContext);
+
+export { ExpenseFormPageProvider, useExpenseFormContext };

src/containers/Expenses/ExpenseForm/components.js

@@ -0,0 +1,159 @@
+import React from 'react';
+import { Button, Tooltip, Intent, Position, Checkbox } from '@blueprintjs/core';
+import { FormattedMessage as T } from 'components';
+import { Icon, Hint } from 'components';
+import intl from 'react-intl-universal';
+import {
+  InputGroupCell,
+  MoneyFieldCell,
+  AccountsListFieldCell,
+  CheckBoxFieldCell,
+} from 'components/DataTableCells';
+import { formattedAmount, safeSumBy } from 'utils';
+
+/**
+ * Expense category header cell.
+ */
+const ExpenseCategoryHeaderCell = () => {
+  return (
+    <>
+      <T id={'expense_category'} />
+      <Hint />
+    </>
+  );
+};
+
+/**
+ * Actions cell renderer.
+ */
+const ActionsCellRenderer = ({
+  row: { index },
+  column: { id },
+  cell: { value: initialValue },
+  data,
+  payload,
+}) => {
+  const onClickRemoveRole = () => {
+    payload.removeRow(index);
+  };
+  return (
+    <Tooltip content={<T id={'remove_the_line'} />} position={Position.LEFT}>
+      <Button
+        icon={<Icon icon="times-circle" iconSize={14} />}
+        iconSize={14}
+        className="ml2"
+        minimal={true}
+        intent={Intent.DANGER}
+        onClick={onClickRemoveRole}
+      />
+    </Tooltip>
+  );
+};
+
+/**
+ * Landed cost header cell.
+ */
+const LandedCostHeaderCell = () => {
+  return (
+    <>
+      <T id={'Landed'} />
+      <Hint
+        content={
+          'This options allows you to be able to add additional cost eg. freight then allocate cost to the items in your bills.'
+        }
+      />
+    </>
+  );
+};
+
+/**
+ * Amount footer cell.
+ */
+function AmountFooterCell({ payload: { currencyCode }, rows }) {
+  const total = safeSumBy(rows, 'original.amount');
+  return <span>{formattedAmount(total, currencyCode)}</span>;
+}
+
+/**
+ * Expense amount header cell.
+ */
+export function ExpenseAmountHeaderCell({ payload: { currencyCode } }) {
+  return intl.get('amount_currency', { currency: currencyCode });
+}
+
+/**
+ * Expense account footer cell.
+ */
+function ExpenseAccountFooterCell() {
+  return <T id={'total'} />;
+}
+
+/**
+ * Retrieve expense form table entries columns.
+ */
+export function useExpenseFormTableColumns({ landedCost }) {
+  return React.useMemo(
+    () => [
+      {
+        Header: '#',
+        accessor: 'index',
+        Cell: ({ row: { index } }) => <span>{index + 1}</span>,
+        className: 'index',
+        width: 40,
+        disableResizing: true,
+        disableSortBy: true,
+      },
+      {
+        Header: ExpenseCategoryHeaderCell,
+        id: 'expense_account_id',
+        accessor: 'expense_account_id',
+        Cell: AccountsListFieldCell,
+        Footer: ExpenseAccountFooterCell,
+        className: 'expense_account_id',
+        disableSortBy: true,
+        width: 40,
+        filterAccountsByRootTypes: ['expense'],
+      },
+      {
+        Header: ExpenseAmountHeaderCell,
+        accessor: 'amount',
+        Cell: MoneyFieldCell,
+        Footer: AmountFooterCell,
+        disableSortBy: true,
+        width: 40,
+        className: 'amount',
+      },
+      {
+        Header: intl.get('description'),
+        accessor: 'description',
+        Cell: InputGroupCell,
+        disableSortBy: true,
+        className: 'description',
+        width: 100,
+      },
+      ...(landedCost
+        ? [
+            {
+              Header: LandedCostHeaderCell,
+              accessor: 'landed_cost',
+              Cell: CheckBoxFieldCell,
+              disableSortBy: true,
+              disableResizing: true,
+              width: 100,
+              className: 'landed-cost',
+            },
+          ]
+        : []),
+      {
+        Header: '',
+        accessor: 'action',
+        Cell: ActionsCellRenderer,
+        className: 'actions',
+        disableSortBy: true,
+        disableResizing: true,
+        width: 45,
+      },
+    ],
+    [],
+  );
+}

src/containers/Expenses/ExpenseForm/utils.js

@@ -0,0 +1,95 @@
+import { AppToaster } from 'components';
+import moment from 'moment';
+import intl from 'react-intl-universal';
+import * as R from 'ramda';
+import {
+  defaultFastFieldShouldUpdate,
+  transformToForm,
+  repeatValue,
+  ensureEntriesHasEmptyLine
+} from 'utils';
+
+const ERROR = {
+  EXPENSE_ALREADY_PUBLISHED: 'EXPENSE.ALREADY.PUBLISHED',
+};
+
+// Transform API errors in toasts messages.
+export const transformErrors = (errors, { setErrors }) => {
+  const hasError = (errorType) => errors.some((e) => e.type === errorType);
+
+  if (hasError(ERROR.EXPENSE_ALREADY_PUBLISHED)) {
+    setErrors(
+      AppToaster.show({
+        message: intl.get('the_expense_is_already_published'),
+      }),
+    );
+  }
+};
+
+export const MIN_LINES_NUMBER = 4;
+
+export const defaultExpenseEntry = {
+  amount: '',
+  expense_account_id: '',
+  description: '',
+  landed_cost: 0,
+};
+
+export const defaultExpense = {
+  payment_account_id: '',
+  beneficiary: '',
+  payment_date: moment(new Date()).format('YYYY-MM-DD'),
+  description: '',
+  reference_no: '',
+  currency_code: '',
+  publish: '',
+  categories: [...repeatValue(defaultExpenseEntry, MIN_LINES_NUMBER)],
+};
+
+/**
+ * Transformes the expense to form initial values in edit mode.
+ */
+export const transformToEditForm = (
+  expense,
+  defaultExpense,
+  linesNumber = 4,
+) => {
+  const expenseEntry = defaultExpense.categories[0];
+  const initialEntries = [
+    ...expense.categories.map((category) => ({
+      ...transformToForm(category, expenseEntry),
+    })),
+    ...repeatValue(
+      expenseEntry,
+      Math.max(linesNumber - expense.categories.length, 0),
+    ),
+  ];
+  const categories = R.compose(
+    ensureEntriesHasEmptyLine(MIN_LINES_NUMBER, expenseEntry),
+  )(initialEntries);
+
+  return {
+    ...transformToForm(expense, defaultExpense),
+    categories,
+  };
+};
+
+/**
+ * Detarmine cusotmers fast-field should update.
+ */
+export const customersFieldShouldUpdate = (newProps, oldProps) => {
+  return (
+    newProps.customers !== oldProps.customers ||
+    defaultFastFieldShouldUpdate(newProps, oldProps)
+  );
+};
+
+/**
+ * Detarmine accounts fast-field should update.
+ */
+export const accountsFieldShouldUpdate = (newProps, oldProps) => {
+  return (
+    newProps.accounts !== oldProps.accounts ||
+    defaultFastFieldShouldUpdate(newProps, oldProps)
+  );
+};