52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
const db = require('server/models');
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const {
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getInformationFromValues,
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getZScore,
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getFastPValue,
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getWeight,
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} = require('server/models/utils/trendingAnalysis');
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module.exports = async () => {
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const claims = await db.Trending.getTrendingClaims();
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const claimViews = await db.Views.getUniqueViews();
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if(claimViews.length <= 1) {
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return;
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}
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const time = Date.now();
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// Must create statistical analytics before we can process zScores, etc
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const viewsNumArray = claimViews.map((claimViewsEntry) => claimViewsEntry.views);
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const {
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mean,
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standardDeviation,
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} = getInformationFromValues(viewsNumArray);
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for(let i = 0; i < claimViews.length; i++) {
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let claimViewsEntry = claimViews[i];
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const {
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isChannel,
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claimId,
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publisherId,
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} = claimViewsEntry;
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const zScore = getZScore(claimViewsEntry.views, mean, standardDeviation);
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const pValue = getFastPValue(zScore);
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const weight = getWeight(zScore, pValue);
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const trendingData = {
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time,
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isChannel: claimViewsEntry.isChannel,
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claimId: claimViewsEntry.claimId,
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publisherId: claimViewsEntry.publisherId,
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intervalViews: claimViewsEntry.views,
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weight,
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zScore,
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pValue,
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};
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db.Trending.create(trendingData);
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}
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}
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