35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
'use strict';
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module.exports = function getNamedMapProvider ({ namedMapProviderCache, label, forcedFormat = null }) {
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return function getNamedMapProviderMiddleware (req, res, next) {
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const { user, token, cache_buster, api_key } = res.locals;
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const { dbuser, dbname, dbpassword, dbhost, dbport } = res.locals;
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const { template_id, layer: layerFromParams, z, x, y, format } = req.params;
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const { layer: layerFromQuery } = req.query;
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const params = {
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user, token, cache_buster, api_key,
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dbuser, dbname, dbpassword, dbhost, dbport,
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template_id, layer: (layerFromQuery || layerFromParams), z, x, y, format
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};
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if (forcedFormat) {
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params.format = forcedFormat;
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params.layer = params.layer || 'all';
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}
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const { config, auth_token } = req.query;
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namedMapProviderCache.get(user, template_id, config, auth_token, params, (err, namedMapProvider) => {
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if (err) {
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err.label = label;
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return next(err);
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}
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res.locals.mapConfigProvider = namedMapProvider;
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next();
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});
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};
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};
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