Windshaft-cartodb/lib/cartodb/routers/layergroup/attributes.js
2018-04-06 18:20:33 +02:00

86 lines
3.0 KiB
JavaScript

const layergroupToken = require('../middlewares/layergroup-token');
const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
const credentials = require('../middlewares/credentials');
const dbConnSetup = require('../middlewares/db-conn-setup');
const authorize = require('../middlewares/authorize');
const rateLimit = require('../middlewares/rate-limit');
const { RATE_LIMIT_ENDPOINTS_GROUPS } = rateLimit;
const createMapStoreMapConfigProvider = require('./middlewares/map-store-map-config-provider');
const cacheControlHeader = require('../middlewares/cache-control-header');
const cacheChannelHeader = require('../middlewares/cache-channel-header');
const surrogateKeyHeader = require('../middlewares/surrogate-key-header');
const lastModifiedHeader = require('../middlewares/last-modified-header');
module.exports = class AttributesLayergroupController {
constructor (
attributesBackend,
pgConnection,
mapStore,
userLimitsApi,
layergroupAffectedTablesCache,
authApi,
surrogateKeysCache
) {
this.attributesBackend = attributesBackend;
this.pgConnection = pgConnection;
this.mapStore = mapStore;
this.userLimitsApi = userLimitsApi;
this.layergroupAffectedTablesCache = layergroupAffectedTablesCache;
this.authApi = authApi;
this.surrogateKeysCache = surrogateKeysCache;
}
register (mapRouter) {
mapRouter.get(
`/:token/:layer/attributes/:fid`,
layergroupToken(),
credentials(),
authorize(this.authApi),
dbConnSetup(this.pgConnection),
rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.ATTRIBUTES),
cleanUpQueryParams(),
createMapStoreMapConfigProvider(
this.mapStore,
this.userLimitsApi,
this.pgConnection,
this.layergroupAffectedTablesCache
),
getFeatureAttributes(this.attributesBackend),
cacheControlHeader(),
cacheChannelHeader(),
surrogateKeyHeader({ surrogateKeysCache: this.surrogateKeysCache }),
lastModifiedHeader()
);
}
};
function getFeatureAttributes (attributesBackend) {
return function getFeatureAttributesMiddleware (req, res, next) {
req.profiler.start('windshaft.maplayer_attribute');
const { mapConfigProvider } = res.locals;
const { token } = res.locals;
const { dbuser, dbname, dbpassword, dbhost, dbport } = res.locals;
const { layer, fid } = req.params;
const params = {
token,
dbuser, dbname, dbpassword, dbhost, dbport,
layer, fid
};
attributesBackend.getFeatureAttributes(mapConfigProvider, params, false, (err, tile, stats = {}) => {
req.profiler.add(stats);
if (err) {
err.label = 'GET ATTRIBUTES';
return next(err);
}
res.body = tile;
next();
});
};
}