35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
'use strict';
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const NamedMapsCacheEntry = require('../../cache/model/named-maps-entry');
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const NamedMapMapConfigProvider = require('../../models/mapconfig/provider/named-map-provider');
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module.exports = function setSurrogateKeyHeader ({ surrogateKeysCache }) {
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return function setSurrogateKeyHeaderMiddleware (req, res, next) {
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const { user, mapConfigProvider, logger } = res.locals;
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if (mapConfigProvider instanceof NamedMapMapConfigProvider) {
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surrogateKeysCache.tag(res, new NamedMapsCacheEntry(user, mapConfigProvider.getTemplateName()));
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}
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if (req.method !== 'GET') {
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return next();
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}
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mapConfigProvider.getAffectedTables((err, affectedTables) => {
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if (err) {
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err.message = `Erros generating Surrogate Key Header. ${err.message}`;
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logger.warn({ error: err });
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return next();
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}
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if (!affectedTables || !affectedTables.tables || affectedTables.tables.length === 0) {
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return next();
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}
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surrogateKeysCache.tag(res, affectedTables);
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next();
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});
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};
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};
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