65 lines
1.7 KiB
JavaScript
65 lines
1.7 KiB
JavaScript
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const { URL, SITE_NAME } = require('../../config.js');
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const { getChannelClaim, getClaimsFromChannel } = require('./chainquery');
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const Feed = require('feed').Feed;
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async function getChannelClaimFromChainquery(claimId) {
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const rows = await getChannelClaim(claimId);
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if (rows && rows.length) {
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const claim = rows[0];
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return claim;
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}
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return undefined;
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}
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async function getFeed(channelClaim) {
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const replaceLineFeeds = (str) => str.replace(/(?:\r\n|\r|\n)/g, '<br>');
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const options = {
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title: channelClaim.title + ' on ' + SITE_NAME,
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description: channelClaim.description ? replaceLineFeeds(channelClaim.description) : '',
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link: `${URL}/${channelClaim.name}:${channelClaim.claim_id}`,
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favicon: URL + '/public/favicon.png',
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generator: SITE_NAME + ' RSS Feed',
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image: channelClaim.thumbnail_url,
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author: {
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name: channelClaim.name,
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link: URL + '/' + channelClaim.name + ':' + channelClaim.claim_id,
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},
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};
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const feed = new Feed(options);
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const latestClaims = await getClaimsFromChannel(channelClaim.claim_id, 10);
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latestClaims.forEach((c) => {
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feed.addItem({
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guid: c.claim_id,
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id: c.claim_id,
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title: c.title,
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description: c.description ? replaceLineFeeds(c.description) : '',
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image: c.thumbnail_url,
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link: URL + '/' + c.name + ':' + c.claim_id,
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date: new Date(c.created_at),
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});
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});
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return feed;
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}
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async function getRss(ctx) {
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if (!ctx.params.claimName || !ctx.params.claimId) {
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return 'Invalid URL';
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}
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const channelClaim = await getChannelClaimFromChainquery(ctx.params.claimId);
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if (channelClaim) {
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const feed = await getFeed(channelClaim);
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return feed.rss2();
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}
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return 'Invalid channel';
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}
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module.exports = { getRss };
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