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 +1,97 @@
+'use strict';
+
+const coordinates = require('../middlewares/coordinates');
+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 namedMapProvider = require('../middlewares/named-map-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 vectorError = require('../middlewares/vector-error');
+const rateLimit = require('../middlewares/rate-limit');
+const { RATE_LIMIT_ENDPOINTS_GROUPS } = rateLimit;
+
+module.exports = class TileTemplateController {
+    constructor (
+        namedMapProviderCache,
+        tileBackend,
+        surrogateKeysCache,
+        pgConnection,
+        authBackend,
+        userLimitsBackend
+    ) {
+        this.namedMapProviderCache = namedMapProviderCache;
+        this.tileBackend = tileBackend;
+        this.surrogateKeysCache = surrogateKeysCache;
+        this.pgConnection = pgConnection;
+        this.authBackend = authBackend;
+        this.userLimitsBackend = userLimitsBackend;
+    }
+
+    route (templateRouter) {
+        templateRouter.get('/:template_id/:layer/:z/:x/:y.(:format)', this.middlewares());
+    }
+
+    middlewares () {
+        return [
+            coordinates(),
+            credentials(),
+            authorize(this.authBackend),
+            dbConnSetup(this.pgConnection),
+            rateLimit(this.userLimitsBackend, RATE_LIMIT_ENDPOINTS_GROUPS.NAMED_TILES),
+            cleanUpQueryParams(),
+            namedMapProvider({
+                namedMapProviderCache: this.namedMapProviderCache,
+                label: 'NAMED_MAP_TILE'
+            }),
+            getTile({
+                tileBackend: this.tileBackend,
+                label: 'NAMED_MAP_TILE'
+            }),
+            setContentTypeHeader(),
+            cacheControlHeader(),
+            cacheChannelHeader(),
+            surrogateKeyHeader({ surrogateKeysCache: this.surrogateKeysCache }),
+            lastModifiedHeader(),
+            vectorError()
+        ];
+    }
+};
+
+function getTile ({ tileBackend, label }) {
+    return function getTileMiddleware (req, res, next) {
+        const { mapConfigProvider } = res.locals;
+        const { layer, z, x, y, format } = req.params;
+        const params = { layer, z, x, y, format };
+
+        tileBackend.getTile(mapConfigProvider, params, (err, tile, headers, stats) => {
+            req.profiler.add(stats);
+            req.profiler.done('render-' + format);
+
+            if (err) {
+                err.label = label;
+                return next(err);
+            }
+
+            if (headers) {
+                res.set(headers);
+            }
+
+            res.statusCode = 200;
+            res.body = tile;
+
+            next();
+        });
+    };
+}
+
+function setContentTypeHeader () {
+    return function setContentTypeHeaderMiddleware(req, res, next) {
+        res.set('Content-Type', res.get('content-type') || res.get('Content-Type') || 'image/png');
+
+        next();
+    };
+}