feat(landing): Load config into debug pages.

packages/lambda-tiler/src/index.ts

@@ -4,6 +4,7 @@ import { arcgisInfoGet } from './arcgis/arcgis.info.js';
 import { arcgisStyleJsonGet } from './arcgis/arcgis.style.json.js';
 import { arcgisTileServerGet } from './arcgis/vector.tile.server.js';
 import { tileAttributionGet } from './routes/attribution.js';
+import { configImageryGet, configTileSetGet } from './routes/config.js';
 import { fontGet, fontList } from './routes/fonts.js';
 import { healthGet } from './routes/health.js';
 import { imageryGet } from './routes/imagery.js';
@@ -70,6 +71,10 @@ handler.router.get('/v1/version', versionGet);
 // Image Metadata
 handler.router.get('/v1/imagery/:imageryId/:fileName', imageryGet);
 
+// Config
+handler.router.get('/v1/config/:tileSet.json', configTileSetGet);
+handler.router.get('/v1/config/:tileSet/:imageryId.json', configImageryGet);
+
 // Sprites
 handler.router.get('/v1/sprites/:spriteName', spriteGet);
 

packages/lambda-tiler/src/routes/config.ts

@@ -0,0 +1,83 @@
+import { standardizeLayerName } from '@basemaps/config';
+import { GoogleTms, TileMatrixSets } from '@basemaps/geo';
+import { HttpHeader, LambdaHttpRequest, LambdaHttpResponse } from '@linzjs/lambda';
+import { ConfigLoader } from '../util/config.loader.js';
+import { Etag } from '../util/etag.js';
+import { NotFound, NotModified } from '../util/response.js';
+
+async function sendJson(req: LambdaHttpRequest, toSend: unknown): Promise<LambdaHttpResponse> {
+  const data = Buffer.from(JSON.stringify(toSend));
+
+  const cacheKey = Etag.key(data);
+  if (Etag.isNotModified(req, cacheKey)) return NotModified();
+
+  const response = new LambdaHttpResponse(200, 'ok');
+  response.header(HttpHeader.ETag, cacheKey);
+  response.header(HttpHeader.CacheControl, 'no-store');
+  response.buffer(data, 'application/json');
+  req.set('bytes', data.byteLength);
+  return response;
+}
+
+interface ConfigTileSetGet {
+  Params: {
+    tileSet: string;
+  };
+}
+
+export async function configTileSetGet(req: LambdaHttpRequest<ConfigTileSetGet>): Promise<LambdaHttpResponse> {
+  const config = await ConfigLoader.load(req);
+
+  req.timer.start('tileset:load');
+  const tileSet = await config.TileSet.get(config.TileSet.id(req.params.tileSet));
+  req.timer.end('tileset:load');
+  if (tileSet == null) return NotFound();
+
+  return sendJson(req, tileSet);
+}
+
+interface ConfigImageryGet {
+  Params: {
+    tileSet: string;
+    imageryId: string;
+  };
+}
+
+/**
+ * Load the imagery configuration by either name or id
+ *
+ * @param req
+ * @returns
+ */
+export async function configImageryGet(req: LambdaHttpRequest<ConfigImageryGet>): Promise<LambdaHttpResponse> {
+  const config = await ConfigLoader.load(req);
+
+  req.timer.start('tileset:load');
+  const tileSet = await config.TileSet.get(config.TileSet.id(req.params.tileSet));
+  req.timer.end('tileset:load');
+  if (tileSet == null) return NotFound();
+
+  req.timer.start('imagery:load');
+  let imagery = await config.Imagery.get(config.Imagery.id(req.params.imageryId));
+  req.timer.end('imagery:load');
+
+  if (imagery == null) {
+    const imageryLayer = tileSet.layers.find(
+      (f) => f.name === req.params.imageryId || standardizeLayerName(f.name) === req.params.imageryId,
+    );
+    if (imageryLayer == null) return NotFound();
+
+    const tileMatrix = TileMatrixSets.find(req.query.get('tileMatrix') ?? GoogleTms.identifier);
+    if (tileMatrix == null) return NotFound();
+
+    const imageryId = imageryLayer[tileMatrix.projection.code];
+    if (imageryId == null) return NotFound();
+
+    req.timer.start('imagery:load:sub');
+    imagery = await config.Imagery.get(config.Imagery.id(imageryId));
+    req.timer.end('imagery:load:sub');
+  }
+
+  if (imagery == null) return NotFound();
+  return sendJson(req, imagery);
+}

packages/landing/package.json

@@ -29,6 +29,7 @@
   ],
   "devDependencies": {
     "@basemaps/attribution": "^6.32.1",
+    "@basemaps/config": "^6.34.0",
     "@basemaps/geo": "^6.32.1",
     "@basemaps/infra": "^6.34.0",
     "@basemaps/shared": "^6.34.0",