vega-frontend-monorepo/apps/trading/components/market-banner/market-update-banner.tsx

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import sortBy from 'lodash/sortBy';
import { format } from 'date-fns';
import {
DApp,
TOKEN_PROPOSAL,
TOKEN_PROPOSALS,
useLinks,
} from '@vegaprotocol/environment';
import { type ProposalFragment } from '@vegaprotocol/proposals';
import { ExternalLink } from '@vegaprotocol/ui-toolkit';
import { ProposalState } from '@vegaprotocol/types';
import { useT } from '../../lib/use-t';
export const MarketUpdateBanner = ({
proposals,
}: {
proposals: ProposalFragment[];
}) => {
const governanceLink = useLinks(DApp.Governance);
const t = useT();
const openProposals = sortBy(
proposals.filter((p) => p.state === ProposalState.STATE_OPEN),
(p) => p.terms?.enactmentDatetime
);
const passedProposals = sortBy(
proposals.filter((p) => p.state === ProposalState.STATE_PASSED),
(p) => p.terms?.enactmentDatetime
);
let content = null;
if (openProposals.length > 1) {
content = (
<p>
{t('There are {{count}} open proposals to change this market', {
count: openProposals.length,
})}
<ExternalLink href={governanceLink(TOKEN_PROPOSALS)}>
{t('View proposals')}
</ExternalLink>
</p>
);
} else if (passedProposals.length) {
const proposal = passedProposals[0];
const proposalLink = governanceLink(
TOKEN_PROPOSAL.replace(':id', proposal?.id || '')
);
content = (
<p>
{t('Proposal set to change market on {{date}}.', {
date: format(new Date(proposal.terms?.enactmentDatetime), 'dd MMMM'),
})}
<ExternalLink href={proposalLink}>{t('View proposal')}</ExternalLink>,
</p>
);
} else {
const proposal = openProposals[0];
const proposalLink = governanceLink(
TOKEN_PROPOSAL.replace(':id', proposal?.id || '')
);
content = (
<p>
{t('Changes have been proposed for this market.')}{' '}
<ExternalLink href={proposalLink}>{t('View proposal')}</ExternalLink>
</p>
);
}
return <div data-testid="market-proposal-notification">{content}</div>;
};