chore: refactor ledger CSV extract - update wording, pass errors messages

apps/trading-e2e/src/integration/withdraw-key-to-key-validation.cy.ts

@@ -1,91 +0,0 @@
-import { selectAsset } from '../support/helpers';
-
-const amountField = 'input[name="amount"]';
-const transferText = 'transfer-intro-text';
-const errorText = 'input-error-text';
-const formFieldError = 'input-error-text';
-const keyID = `[data-testid="${transferText}"] > .rounded-md`;
-const manageVegaWallet = 'manage-vega-wallet';
-const submitTransferBtn = '[type="submit"]';
-const toAddressField = '[name="toAddress"]';
-const transferForm = 'transfer-form';
-const walletTransfer = 'wallet-transfer';
-
-const ASSET_EURO = 1;
-const ASSET_SEPOLIA_TBTC = 2;
-
-describe(
-  'transfer form validation',
-  { tags: '@regression', testIsolation: true },
-  () => {
-    beforeEach(() => {
-      cy.mockWeb3Provider();
-      cy.mockTradingPage();
-      cy.mockSubscription();
-      cy.setVegaWallet();
-
-      cy.visit('/#/portfolio');
-      cy.getByTestId(manageVegaWallet).click();
-      cy.getByTestId(walletTransfer).click();
-
-      cy.wait('@Accounts');
-      cy.wait('@Assets');
-
-      cy.mockVegaWalletTransaction();
-    });
-
-    it('transfer Text', () => {
-      // 1003-TRAN-003
-      cy.getByTestId(transferText)
-        .should('exist')
-        .get(keyID)
-        .invoke('text')
-        .should('match', /[\w.]{6}…[\w.]{6}/);
-    });
-
-    it('invalid vega key validation', () => {
-      //1003-TRAN-013
-      //1003-TRAN-004
-      cy.getByTestId(transferForm).should('be.visible');
-      cy.contains('Enter manually').click();
-      cy.getByTestId(transferForm).find(toAddressField).type('asd');
-      cy.getByTestId(transferForm).find(submitTransferBtn).click();
-      cy.getByTestId(formFieldError).should('contain.text', 'Invalid Vega key');
-      cy.contains('label', 'Vega key').should('be.visible');
-      cy.contains('label', 'Asset').should('be.visible');
-      cy.contains('label', 'Amount').should('be.visible');
-    });
-
-    it('empty fields', () => {
-      // 1003-TRAN-012
-      cy.getByTestId(transferForm).find(submitTransferBtn).click();
-      cy.getByTestId(formFieldError).should('contain.text', 'Required');
-      cy.getByTestId(formFieldError).should('have.length', 3);
-    });
-
-    it('min amount', () => {
-      // 1002-WITH-010
-      // 1003-TRAN-014
-      selectAsset(ASSET_SEPOLIA_TBTC);
-      cy.get(amountField).clear().type('0');
-      cy.getByTestId(transferForm).find(submitTransferBtn).click();
-      cy.getByTestId(errorText).should(
-        'contain.text',
-        'Value is below minimum'
-      );
-    });
-
-    it('max amount', () => {
-      // 1003-TRAN-002
-      // 1003-TRAN-011
-      // 1003-TRAN-002
-      selectAsset(ASSET_EURO); // Will be above maximum because the vega wallet doesn't have any collateral
-      cy.get(amountField).clear().type('1001', { delay: 100 });
-      cy.getByTestId(transferForm).find(submitTransferBtn).click();
-      cy.getByTestId(errorText).should(
-        'contain.text',
-        'You cannot transfer more than your available collateral'
-      );
-    });
-  }
-);

apps/trading/components/telemetry/telemetry.tsx

@@ -6,7 +6,7 @@ import { TelemetryApproval } from './telemetry-approval';
 import { t } from '@vegaprotocol/i18n';
 import { useOnboardingStore } from '../welcome-dialog/use-get-onboarding-step';
 
-const TELEMETRY_APPROVAL_TOAST_ID = 'telemetry_tost_id';
+const TELEMETRY_APPROVAL_TOAST_ID = 'telemetry_toast_id';
 
 export const Telemetry = () => {
   const onboardingDissmissed = useOnboardingStore((store) => store.dismissed);

apps/trading/pages/transaction-handlers.tsx

@@ -7,6 +7,7 @@ import {
   useEthTransactionUpdater,
   useEthWithdrawApprovalsManager,
 } from '@vegaprotocol/web3';
+import { useLedgerDownloadManager } from '@vegaprotocol/ledger';
 
 export const TransactionHandlers = () => {
   useVegaTransactionManager();
@@ -14,5 +15,6 @@ export const TransactionHandlers = () => {
   useEthTransactionManager();
   useEthTransactionUpdater();
   useEthWithdrawApprovalsManager();
+  useLedgerDownloadManager();
   return null;
 };

libs/accounts/src/lib/transfer-form.spec.tsx

@@ -88,6 +88,9 @@ describe('TransferForm', () => {
   });
 
   it('validates a manually entered address', async () => {
+    // 1003-TRAN-012
+    // 1003-TRAN-013
+    // 1003-TRAN-004
     render(<TransferForm {...props} />);
     submit();
     expect(await screen.findAllByText('Required')).toHaveLength(3);
@@ -116,6 +119,11 @@ describe('TransferForm', () => {
   });
 
   it('validates fields and submits', async () => {
+    // 1003-TRAN-002
+    // 1003-TRAN-003
+    // 1002-WITH-010
+    // 1003-TRAN-011
+    // 1003-TRAN-014
     render(<TransferForm {...props} />);
 
     // check current pubkey not shown

libs/deal-ticket/src/components/deal-ticket/deal-ticket-fee-details.tsx

@@ -37,6 +37,7 @@ import {
   AccordionChevron,
   AccordionPanel,
   Intent,
+  ExternalLink,
   Pill,
   Tooltip,
 } from '@vegaprotocol/ui-toolkit';
@@ -385,7 +386,21 @@ export const DealTicketMarginDetails = ({
         value={liquidationPriceEstimateRange}
         formattedValue={liquidationPriceEstimate}
         symbol={quoteName}
-        labelDescription={LIQUIDATION_PRICE_ESTIMATE_TOOLTIP_TEXT}
+        labelDescription={
+          <>
+            <span>{LIQUIDATION_PRICE_ESTIMATE_TOOLTIP_TEXT}</span>{' '}
+            <span>
+              {t('For full details please see ')}
+              <ExternalLink
+                href={
+                  'https://github.com/vegaprotocol/specs/blob/master/non-protocol-specs/0012-NP-LIPE-liquidation-price-estimate.md'
+                }
+              >
+                {t('liquidation price estimate documentation.')}
+              </ExternalLink>
+            </span>
+          </>
+        }
       />
       {partyId && (
         <AccountBreakdownDialog

libs/deal-ticket/src/constants.ts

@@ -60,7 +60,7 @@ export const EST_FEES_TOOLTIP_TEXT = t(
 );
 
 export const LIQUIDATION_PRICE_ESTIMATE_TOOLTIP_TEXT = t(
-  'This is an approximation (or a range) for the liquidation price for that particular contract position, assuming nothing else changes, which may affect your margin and collateral balances.'
+  'This is an approximation for the liquidation price for that particular contract position, assuming nothing else changes, which may affect your margin and collateral balances.'
 );
 
 export const EST_SLIPPAGE = t(

libs/ledger/src/index.ts

@@ -1 +1,2 @@
 export * from './lib/ledger-export-form';
+export * from './lib/ledger-download-store';

libs/ledger/src/lib/ledger-download-store.tsx

@@ -0,0 +1,142 @@
+import { create } from 'zustand';
+import type { ReactNode } from 'react';
+import { useCallback, useEffect } from 'react';
+import type { Toast } from '@vegaprotocol/ui-toolkit';
+import { useToasts, Intent } from '@vegaprotocol/ui-toolkit';
+import { t } from '@vegaprotocol/i18n';
+import { subscribeWithSelector } from 'zustand/middleware';
+
+type DownloadSettings = {
+  title: string;
+  link: string;
+  filename?: string;
+  isDownloaded?: boolean;
+  isChanged?: boolean;
+  isError?: boolean;
+  errorMessage?: string;
+  isDelayed?: boolean;
+  intent?: Intent;
+  blob?: Blob;
+};
+
+export type LedgerDownloadFileStore = {
+  queue: DownloadSettings[];
+  hasItem: (link: string) => boolean;
+  removeItem: (link: string) => void;
+  updateQueue: (item: DownloadSettings) => void;
+};
+
+export const useLedgerDownloadFile = create<LedgerDownloadFileStore>()(
+  subscribeWithSelector((set, get) => ({
+    queue: [],
+    hasItem: (link: string) =>
+      get().queue.findIndex((item) => item.link === link) > -1,
+    removeItem: (link: string) => {
+      const queue = get().queue;
+      const index = queue.findIndex((item) => item.link === link);
+      if (index > -1) {
+        queue.splice(index, 1);
+        set({ queue: [...queue] });
+      }
+    },
+    updateQueue: (newitem: DownloadSettings) => {
+      const queue = get().queue;
+      const index = queue.findIndex((item) => item.link === newitem.link);
+      if (index > -1) {
+        queue[index] = { ...queue[index], ...newitem };
+        set({ queue: [...queue] });
+      } else {
+        set({ queue: [newitem, ...queue] });
+      }
+    },
+  }))
+);
+
+const ErrorContent = ({ message }: { message?: string }) => (
+  <>
+    <h4 className="mb-1 text-sm">{t('Something went wrong')}</h4>
+    <p>{message || t('Try again later')}</p>
+  </>
+);
+
+const InfoContent = ({ progress = false }) => (
+  <>
+    <p>{t('Please note this can take several minutes.')}</p>
+    <p>{t('You will be notified here when your file is ready.')}</p>
+    <h4 className="my-2">
+      {progress ? t('Still in progress') : t('Download has been started')}
+    </h4>
+  </>
+);
+
+export const useLedgerDownloadManager = () => {
+  const queue = useLedgerDownloadFile((store) => store.queue);
+  const updateQueue = useLedgerDownloadFile((store) => store.updateQueue);
+  const removeItem = useLedgerDownloadFile((store) => store.removeItem);
+  const [setToast, updateToast, hasToast, removeToast] = useToasts((store) => [
+    store.setToast,
+    store.update,
+    store.hasToast,
+    store.remove,
+  ]);
+
+  const onDownloadClose = useCallback(
+    (id: string) => {
+      removeToast(id);
+      removeItem(id);
+    },
+    [removeToast, removeItem]
+  );
+
+  const createToast = (item: DownloadSettings) => {
+    let content: ReactNode;
+    switch (true) {
+      case item.isError:
+        content = <ErrorContent message={item.errorMessage} />;
+        break;
+      case Boolean(item.blob):
+        content = (
+          <>
+            <h4 className="mb-1 text-sm">{t('Your file is ready')}</h4>
+            <a
+              onClick={() => onDownloadClose(item.link)}
+              href={URL.createObjectURL(item.blob as Blob)}
+              download={item.filename}
+              className="underline"
+            >
+              {t('Get file here')}
+            </a>
+          </>
+        );
+        break;
+      default:
+        content = <InfoContent progress={item.isDelayed} />;
+    }
+    const toast: Toast = {
+      id: item.link,
+      intent: item.intent || Intent.Primary,
+      content: (
+        <>
+          <h3 className="mb-1 text-md uppercase">{item.title}</h3>
+          {content}
+        </>
+      ),
+      onClose: () => onDownloadClose(item.link),
+      loader: !item.isDownloaded && !item.isError,
+    };
+    if (hasToast(toast.id)) {
+      updateToast(toast.id, toast);
+    } else {
+      setToast(toast);
+    }
+  };
+
+  useEffect(() => {
+    queue.forEach((item) => {
+      if (item.isChanged) {
+        createToast(item);
+        updateQueue({ ...item, isChanged: false });
+      }
+    });
+  }, [queue, createToast, updateQueue]);
+};

libs/ledger/src/lib/ledger-export-form.spec.tsx

@@ -1,10 +1,21 @@
 import { render, screen, waitFor, fireEvent } from '@testing-library/react';
 import { createDownloadUrl, LedgerExportForm } from './ledger-export-form';
 import { formatForInput, toNanoSeconds } from '@vegaprotocol/utils';
+import {
+  useLedgerDownloadManager,
+  useLedgerDownloadFile,
+} from './ledger-download-store';
+import { Intent } from '@vegaprotocol/ui-toolkit';
 
+const mockSetToast = jest.fn();
+jest.mock('@vegaprotocol/ui-toolkit', () => ({
+  ...jest.requireActual('@vegaprotocol/ui-toolkit'),
+  useToasts: jest.fn(() => [mockSetToast, jest.fn(), jest.fn(() => false)]),
+}));
 const vegaUrl = 'https://vega-url.co.uk/querystuff';
 
 const mockResponse = {
+  ok: true,
   headers: { get: jest.fn() },
   blob: () => '',
 };
@@ -28,6 +39,7 @@ describe('LedgerExportForm', () => {
 
   afterAll(() => {
     jest.useRealTimers();
+    jest.clearAllMocks();
   });
 
   it('should be properly rendered', async () => {
@@ -43,8 +55,6 @@ describe('LedgerExportForm', () => {
     // userEvent does not work with faked timers
     fireEvent.click(screen.getByTestId('ledger-download-button'));
 
-    expect(screen.getByTestId('download-spinner')).toBeInTheDocument();
-
     await waitFor(() => {
       expect(global.fetch).toHaveBeenCalledWith(
         `https://vega-url.co.uk/api/v2/ledgerentry/export?partyId=${partyId}&assetId=${
@@ -52,9 +62,6 @@ describe('LedgerExportForm', () => {
         }&dateRange.startTimestamp=1691057410000000000`
       );
     });
-    await waitFor(() => {
-      expect(screen.queryByTestId('download-spinner')).not.toBeInTheDocument();
-    });
   });
 
   it('assetID should be properly change request url', async () => {
@@ -75,8 +82,6 @@ describe('LedgerExportForm', () => {
 
     fireEvent.click(screen.getByTestId('ledger-download-button'));
 
-    expect(screen.getByTestId('download-spinner')).toBeInTheDocument();
-
     await waitFor(() => {
       expect(global.fetch).toHaveBeenCalledWith(
         `https://vega-url.co.uk/api/v2/ledgerentry/export?partyId=${partyId}&assetId=${
@@ -84,9 +89,6 @@ describe('LedgerExportForm', () => {
         }&dateRange.startTimestamp=1691057410000000000`
       );
     });
-    await waitFor(() => {
-      expect(screen.queryByTestId('download-spinner')).not.toBeInTheDocument();
-    });
   });
 
   it('date-from should properly change request url', async () => {
@@ -110,8 +112,6 @@ describe('LedgerExportForm', () => {
 
     fireEvent.click(screen.getByTestId('ledger-download-button'));
 
-    expect(screen.getByTestId('download-spinner')).toBeInTheDocument();
-
     await waitFor(() => {
       expect(global.fetch).toHaveBeenCalledWith(
         `https://vega-url.co.uk/api/v2/ledgerentry/export?partyId=${partyId}&assetId=${
@@ -119,10 +119,6 @@ describe('LedgerExportForm', () => {
         }&dateRange.startTimestamp=${toNanoSeconds(newDate)}`
       );
     });
-
-    await waitFor(() => {
-      expect(screen.queryByTestId('download-spinner')).not.toBeInTheDocument();
-    });
   });
 
   it('date-to should properly change request url', async () => {
@@ -156,10 +152,6 @@ describe('LedgerExportForm', () => {
         )}`
       );
     });
-
-    await waitFor(() => {
-      expect(screen.queryByTestId('download-spinner')).not.toBeInTheDocument();
-    });
   });
 
   it('Time zone sentence should be properly displayed', () => {
@@ -205,6 +197,50 @@ describe('LedgerExportForm', () => {
       screen.queryByText(/^The downloaded file uses the UTC/)
     ).not.toBeInTheDocument();
   });
+
+  it('A toast notification should be displayed', async () => {
+    useLedgerDownloadFile.setState({ queue: [] });
+    const TestWrapper = () => {
+      useLedgerDownloadManager();
+      return (
+        <LedgerExportForm
+          partyId={partyId}
+          vegaUrl={vegaUrl}
+          assets={assetsMock}
+        />
+      );
+    };
+
+    render(<TestWrapper />);
+    expect(screen.getByText('symbol asset-id')).toBeInTheDocument();
+
+    fireEvent.click(screen.getByTestId('ledger-download-button'));
+
+    const link = `https://vega-url.co.uk/api/v2/ledgerentry/export?partyId=${partyId}&assetId=${
+      Object.keys(assetsMock)[0]
+    }&dateRange.startTimestamp=1691057410000000000`;
+
+    await waitFor(() => {
+      expect(mockSetToast).toHaveBeenCalledWith({
+        id: link,
+        content: expect.any(Object),
+        onClose: expect.any(Function),
+        intent: Intent.Primary,
+        loader: true,
+      });
+
+      expect(global.fetch).toHaveBeenCalledWith(link);
+    });
+
+    mockSetToast.mockClear();
+    (global.fetch as jest.Mock).mockClear();
+    fireEvent.click(screen.getByTestId('ledger-download-button')); // click again
+
+    await waitFor(() => {
+      expect(mockSetToast).toHaveBeenCalled();
+      expect(global.fetch).not.toHaveBeenCalled();
+    });
+  });
 });
 
 describe('createDownloadUrl', () => {

libs/ledger/src/lib/ledger-export-form.tsx

@@ -1,17 +1,22 @@
 import { useRef, useState } from 'react';
-import { z } from 'zod';
+import { format, subDays } from 'date-fns';
 import {
-  TradingButton,
+  Intent,
   Loader,
+  TradingButton,
   TradingFormGroup,
   TradingInput,
   TradingSelect,
 } from '@vegaprotocol/ui-toolkit';
-import { toNanoSeconds, VEGA_ID_REGEX } from '@vegaprotocol/utils';
+import { z } from 'zod';
+import {
+  formatForInput,
+  toNanoSeconds,
+  VEGA_ID_REGEX,
+} from '@vegaprotocol/utils';
 import { t } from '@vegaprotocol/i18n';
 import { localLoggerFactory } from '@vegaprotocol/logger';
-import { formatForInput } from '@vegaprotocol/utils';
-import { subDays } from 'date-fns';
+import { useLedgerDownloadFile } from './ledger-download-store';
 
 const DEFAULT_EXPORT_FILE_NAME = 'ledger_entries.csv';
 
@@ -73,10 +78,14 @@ export const LedgerExportForm = ({ partyId, vegaUrl, assets }: Props) => {
   const maxFromDate = formatForInput(new Date(dateTo || now.current));
   const maxToDate = formatForInput(now.current);
 
-  const [isDownloading, setIsDownloading] = useState(false);
   const [assetId, setAssetId] = useState(Object.keys(assets)[0]);
   const protohost = getProtoHost(vegaUrl);
-  const disabled = Boolean(!assetId || isDownloading);
+  const disabled = Boolean(!assetId);
+
+  const hasItem = useLedgerDownloadFile((store) => store.hasItem);
+  const updateDownloadQueue = useLedgerDownloadFile(
+    (store) => store.updateQueue
+  );
 
   const assetDropDown = (
     <TradingSelect
@@ -87,7 +96,6 @@ export const LedgerExportForm = ({ partyId, vegaUrl, assets }: Props) => {
       }}
       className="w-full"
       data-testid="select-ledger-asset"
-      disabled={isDownloading}
     >
       {Object.keys(assets).map((assetKey) => (
         <option key={assetKey} value={assetKey}>
@@ -97,32 +105,78 @@ export const LedgerExportForm = ({ partyId, vegaUrl, assets }: Props) => {
     </TradingSelect>
   );
 
+  const link = createDownloadUrl({
+    protohost,
+    partyId,
+    assetId,
+    dateFrom,
+    dateTo,
+  });
+
   const startDownload = async (event: React.FormEvent<HTMLFormElement>) => {
     event.preventDefault();
-    try {
-      const link = createDownloadUrl({
-        protohost,
-        partyId,
-        assetId,
-        dateFrom,
-        dateTo,
+
+    const title = t('Downloading for %s from %s till %s', [
+      assets[assetId],
+      format(new Date(dateFrom), 'dd MMMM yyyy HH:mm'),
+      format(new Date(dateTo || Date.now()), 'dd MMMM yyyy HH:mm'),
+    ]);
+
+    const downloadStoreItem = {
+      title,
+      link,
+      isChanged: true,
+    };
+    if (hasItem(link)) {
+      updateDownloadQueue(downloadStoreItem);
+      return;
+    }
+    const ts = setTimeout(() => {
+      updateDownloadQueue({
+        ...downloadStoreItem,
+        intent: Intent.Warning,
+        isDelayed: true,
+        isChanged: true,
       });
-      setIsDownloading(true);
+    }, 1000 * 30);
+
+    try {
+      updateDownloadQueue(downloadStoreItem);
       const resp = await fetch(link);
+      if (!resp?.ok) {
+        if (resp?.status === 429) {
+          throw new Error('Too many requests. Try again later.');
+        }
+        throw new Error('Download of ledger entries failed');
+      }
       const { headers } = resp;
       const nameHeader = headers.get('content-disposition');
       const filename = nameHeader?.split('=').pop() ?? DEFAULT_EXPORT_FILE_NAME;
+      updateDownloadQueue({
+        ...downloadStoreItem,
+        filename,
+      });
       const blob = await resp.blob();
       if (blob) {
-        const link = document.createElement('a');
-        link.href = URL.createObjectURL(blob);
-        link.download = filename;
-        link.click();
+        updateDownloadQueue({
+          ...downloadStoreItem,
+          blob,
+          isDownloaded: true,
+          isChanged: true,
+          intent: Intent.Success,
+        });
       }
     } catch (err) {
       localLoggerFactory({ application: 'ledger' }).error('Download file', err);
+      updateDownloadQueue({
+        ...downloadStoreItem,
+        intent: Intent.Danger,
+        isError: true,
+        isChanged: true,
+        errorMessage: (err as Error).message || undefined,
+      });
     } finally {
-      setIsDownloading(false);
+      clearTimeout(ts);
     }
   };
 
@@ -145,7 +199,6 @@ export const LedgerExportForm = ({ partyId, vegaUrl, assets }: Props) => {
           id="date-from"
           value={dateFrom}
           onChange={(e) => setDateFrom(e.target.value)}
-          disabled={disabled}
           max={maxFromDate}
         />
       </TradingFormGroup>
@@ -156,19 +209,10 @@ export const LedgerExportForm = ({ partyId, vegaUrl, assets }: Props) => {
           id="date-to"
           value={dateTo}
           onChange={(e) => setDateTo(e.target.value)}
-          disabled={disabled}
           max={maxToDate}
         />
       </TradingFormGroup>
       <div className="relative text-sm" title={t('Download all to .csv file')}>
-        {isDownloading && (
-          <div
-            className="absolute flex items-center justify-center w-full h-full"
-            data-testid="download-spinner"
-          >
-            <Loader size="small" />
-          </div>
-        )}
         <TradingButton
           fill
           disabled={disabled}

libs/wallet/src/connectors/snap-connector.ts

@@ -41,7 +41,7 @@ const ethereumRequest = <T>(args: RequestArguments): Promise<T> => {
 
 export const LOCAL_SNAP_ID = 'local:http://localhost:8080';
 export const DEFAULT_SNAP_ID = 'npm:@vegaprotocol/snap';
-export const DEFAULT_SNAP_VERSION = '0.3.1';
+export const DEFAULT_SNAP_VERSION = '0.2.0';
 
 type GetSnapsResponse = Record<string, Snap>;
 

specs/7007-LEEN-ledger-entries.md

@@ -8,5 +8,13 @@ When I enter on ledger entries tab in portfolio page
 - in the form **Must** see a dropdown for select an asset, in which reports will be downloaded (<a name="7007-LEEN-002" href="#7007-LEEN-002">7007-LEEN-002</a>)
 - in the form **Must** see inputs for select time period, in which reports will be downloaded (<a name="7007-LEEN-003" href="#7007-LEEN-003">7007-LEEN-003</a>)
 - default preselected period **Must** be the last 7 days (<a name="7007-LEEN-004" href="#7007-LEEN-004">7007-LEEN-004</a>)
-- during download a loader component **Must** be visible and all interactive elements in the form **Must** be disabled (<a name="7007-LEEN-005" href="#7007-LEEN-005">7007-LEEN-005</a>)
 - **Must** see a note about time in file are in UTC and timezone of the user relative to UTC (<a name="7007-LEEN-006" href="#7007-LEEN-006">7007-LEEN-006</a>)
+- As a user, I **must** see a message saying that this can take several minutes (<a name="7007-LEEN-007" href="#7007-LEEN-007">7007-LEEN-007</a>)
+- After half a minute, the message is updated to say something like 'Still in progress' (<a name="7007-LEEN-008" href="#7007-LEEN-008">7007-LEEN-008</a>)
+- A toast is shown when the download is complete (<a name="7007-LEEN-009" href="#7007-LEEN-009">7007-LEEN-009</a>)
+- The download button should never be disabled
+  - If user tries to download file which is already in download: (<a name="7007-LEEN-010" href="#7007-LEEN-010">7007-LEEN-010</a>)
+    - if notification stayed open, nothing happens
+    - If notification was closed, will be open, no any new request will be fired
+    - If something has changed in the form (asset, dates, `Date.now`) new download will start.
+- The state of the download form should be in sync with the download itself if you navigate away from the page or reload (<a name="7007-LEEN-011" href="#7007-LEEN-011">7007-LEEN-011</a>)