Simplify folder structure

2019-10-07 09:40:50 +02:00
parent 0d638e6bad
commit 281a079a62
221 changed files with 175 additions and 175 deletions
@@ -0,0 +1,144 @@
+'use strict';
+
+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');
+
+const ALLOWED_DATAVIEW_QUERY_PARAMS = [
+    'filters', // json
+    'own_filter', // 0, 1
+    'no_filters', // 0, 1
+    'bbox', // w,s,e,n
+    'start', // number
+    'end', // number
+    'column_type', // string
+    'bins', // number
+    'aggregation', //string
+    'offset', // number
+    'q', // widgets search
+    'categories', // number
+];
+
+module.exports = class DataviewLayergroupController {
+    constructor (
+        dataviewBackend,
+        pgConnection,
+        mapStore,
+        userLimitsBackend,
+        layergroupAffectedTablesCache,
+        authBackend,
+        surrogateKeysCache
+    ) {
+        this.dataviewBackend = dataviewBackend;
+        this.pgConnection = pgConnection;
+        this.mapStore = mapStore;
+        this.userLimitsBackend = userLimitsBackend;
+        this.layergroupAffectedTablesCache = layergroupAffectedTablesCache;
+        this.authBackend = authBackend;
+        this.surrogateKeysCache = surrogateKeysCache;
+    }
+
+    route (mapRouter) {
+        // Undocumented/non-supported API endpoint methods.
+        // Use at your own peril.
+
+        mapRouter.get('/:token/dataview/:dataviewName', this.middlewares({
+            action: 'get',
+            rateLimitGroup: RATE_LIMIT_ENDPOINTS_GROUPS.DATAVIEW
+        }));
+
+        mapRouter.get('/:token/:layer/widget/:dataviewName', this.middlewares({
+            action: 'get',
+            rateLimitGroup: RATE_LIMIT_ENDPOINTS_GROUPS.DATAVIEW
+        }));
+
+        mapRouter.get('/:token/dataview/:dataviewName/search', this.middlewares({
+            action: 'search',
+            rateLimitGroup: RATE_LIMIT_ENDPOINTS_GROUPS.DATAVIEW_SEARCH
+        }));
+
+        mapRouter.get('/:token/:layer/widget/:dataviewName/search', this.middlewares({
+            action: 'search',
+            rateLimitGroup: RATE_LIMIT_ENDPOINTS_GROUPS.DATAVIEW_SEARCH
+        }));
+    }
+
+    middlewares ({ action, rateLimitGroup }) {
+        return [
+            layergroupToken(),
+            credentials(),
+            authorize(this.authBackend),
+            dbConnSetup(this.pgConnection),
+            rateLimit(this.userLimitsBackend, rateLimitGroup),
+            cleanUpQueryParams(ALLOWED_DATAVIEW_QUERY_PARAMS),
+            createMapStoreMapConfigProvider(
+                this.mapStore,
+                this.userLimitsBackend,
+                this.pgConnection,
+                this.layergroupAffectedTablesCache
+            ),
+            action === 'search' ? dataviewSearch(this.dataviewBackend) : getDataview(this.dataviewBackend),
+            cacheControlHeader(),
+            cacheChannelHeader(),
+            surrogateKeyHeader({ surrogateKeysCache: this.surrogateKeysCache }),
+            lastModifiedHeader()
+        ];
+    }
+};
+
+function getDataview (dataviewBackend) {
+    return function getDataviewMiddleware (req, res, next) {
+        const { user, mapConfigProvider } = res.locals;
+        const { dataviewName } = req.params;
+        const { dbuser, dbname, dbpassword, dbhost, dbport } = res.locals;
+
+        const params = Object.assign({ dataviewName, dbuser, dbname, dbpassword, dbhost, dbport }, req.query);
+
+        dataviewBackend.getDataview(mapConfigProvider, user, params, (err, dataview, stats = {}) => {
+            req.profiler.add(stats);
+
+            if (err) {
+                err.label = 'GET DATAVIEW';
+                return next(err);
+            }
+
+            res.statusCode = 200;
+            res.body = dataview;
+
+            next();
+        });
+    };
+}
+
+function dataviewSearch (dataviewBackend) {
+    return function dataviewSearchMiddleware (req, res, next) {
+        const { user, mapConfigProvider } = res.locals;
+        const { dataviewName } = req.params;
+        const { dbuser, dbname, dbpassword, dbhost, dbport } = res.locals;
+
+        const params = Object.assign({ dbuser, dbname, dbpassword, dbhost, dbport }, req.query);
+
+        dataviewBackend.search(mapConfigProvider, user, dataviewName, params, (err, searchResult, stats = {}) => {
+            req.profiler.add(stats);
+
+            if (err) {
+                err.label = 'GET DATAVIEW SEARCH';
+                return next(err);
+            }
+
+            res.statusCode = 200;
+            res.body = searchResult;
+
+            next();
+        });
+    };
+}