97 lines
3.3 KiB
JavaScript
97 lines
3.3 KiB
JavaScript
'use strict';
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const tag = require('../middlewares/tag');
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const layergroupToken = require('../middlewares/layergroup-token');
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const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
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const credentials = require('../middlewares/credentials');
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const dbConnSetup = require('../middlewares/db-conn-setup');
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const authorize = require('../middlewares/authorize');
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const rateLimit = require('../middlewares/rate-limit');
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const { RATE_LIMIT_ENDPOINTS_GROUPS } = rateLimit;
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const createMapStoreMapConfigProvider = require('../middlewares/map-store-map-config-provider');
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const cacheControlHeader = require('../middlewares/cache-control-header');
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const cacheChannelHeader = require('../middlewares/cache-channel-header');
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const surrogateKeyHeader = require('../middlewares/surrogate-key-header');
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const lastModifiedHeader = require('../middlewares/last-modified-header');
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module.exports = class AttributesLayergroupController {
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constructor (
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attributesBackend,
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pgConnection,
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mapStore,
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userLimitsBackend,
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layergroupAffectedTablesCache,
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authBackend,
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surrogateKeysCache
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) {
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this.attributesBackend = attributesBackend;
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this.pgConnection = pgConnection;
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this.mapStore = mapStore;
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this.userLimitsBackend = userLimitsBackend;
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this.layergroupAffectedTablesCache = layergroupAffectedTablesCache;
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this.authBackend = authBackend;
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this.surrogateKeysCache = surrogateKeysCache;
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}
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route (mapRouter) {
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mapRouter.get('/:token/:layer/attributes/:fid', this.middlewares());
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}
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middlewares () {
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return [
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tag({ tags: ['attributes'] }),
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layergroupToken(),
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credentials(),
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authorize(this.authBackend),
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dbConnSetup(this.pgConnection),
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rateLimit(this.userLimitsBackend, RATE_LIMIT_ENDPOINTS_GROUPS.ATTRIBUTES),
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cleanUpQueryParams(),
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createMapStoreMapConfigProvider(
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this.mapStore,
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this.userLimitsBackend,
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this.pgConnection,
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this.layergroupAffectedTablesCache
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),
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getFeatureAttributes(this.attributesBackend),
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cacheControlHeader(),
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cacheChannelHeader(),
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surrogateKeyHeader({ surrogateKeysCache: this.surrogateKeysCache }),
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lastModifiedHeader()
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];
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}
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};
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function getFeatureAttributes (attributesBackend) {
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return function getFeatureAttributesMiddleware (req, res, next) {
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const { mapConfigProvider } = res.locals;
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const { token } = res.locals;
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const { dbuser, dbname, dbpassword, dbhost, dbport } = res.locals;
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const { layer, fid } = req.params;
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const params = {
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token,
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dbuser,
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dbname,
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dbpassword,
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dbhost,
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dbport,
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layer,
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fid
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};
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attributesBackend.getFeatureAttributes(mapConfigProvider, params, false, (err, tile, stats = {}) => {
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req.profiler.add(stats);
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if (err) {
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err.label = 'GET ATTRIBUTES';
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return next(err);
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}
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res.statusCode = 200;
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res.body = tile;
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next();
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});
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};
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}
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