44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
'use strict';
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module.exports = function setLastUpdatedTimeToLayergroup () {
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return function setLastUpdatedTimeToLayergroupMiddleware (req, res, next) {
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const { mapConfigProvider, analysesResults } = res.locals;
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const layergroup = res.body;
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mapConfigProvider.createAffectedTables((err, affectedTables) => {
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if (err) {
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return next(err);
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}
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if (!affectedTables) {
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return next();
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}
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var lastUpdateTime = affectedTables.getLastUpdatedAt();
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lastUpdateTime = getLastUpdatedTime(analysesResults, lastUpdateTime) || lastUpdateTime;
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// last update for layergroup cache buster
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layergroup.layergroupid = layergroup.layergroupid + ':' + lastUpdateTime;
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layergroup.last_updated = new Date(lastUpdateTime).toISOString();
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res.locals.cache_buster = lastUpdateTime;
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next();
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});
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};
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};
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function getLastUpdatedTime (analysesResults, lastUpdateTime) {
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if (!Array.isArray(analysesResults)) {
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return lastUpdateTime;
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}
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return analysesResults.reduce(function (lastUpdateTime, analysis) {
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return analysis.getNodes().reduce(function (lastNodeUpdatedAtTime, node) {
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var nodeUpdatedAtDate = node.getUpdatedAt();
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var nodeUpdatedTimeAt = (nodeUpdatedAtDate && nodeUpdatedAtDate.getTime()) || 0;
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return nodeUpdatedTimeAt > lastNodeUpdatedAtTime ? nodeUpdatedTimeAt : lastNodeUpdatedAtTime;
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}, lastUpdateTime);
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}, lastUpdateTime);
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}
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