25 lines
670 B
JavaScript
25 lines
670 B
JavaScript
module.exports = function setCacheChannelHeader () {
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return function setCacheChannelHeaderMiddleware (req, res, next) {
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if (req.method !== 'GET') {
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return next();
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}
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const { mapConfigProvider } = res.locals;
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mapConfigProvider.getAffectedTables((err, affectedTables) => {
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if (err) {
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global.logger.warn('ERROR generating Cache Channel Header:', err);
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return next();
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}
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if (!affectedTables) {
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return next();
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}
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res.set('X-Cache-Channel', affectedTables.getCacheChannel());
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next();
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});
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};
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};
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