Some error handling + change DN and DO filename parsing

routes/index.mjs

@@ -6,30 +6,56 @@ import express from 'express';
 
 let router = express.Router();
 
+// TODO Log errors
+
 /* GET manifest JSON */
 router.get('/iiif/:manifestid/manifest', async function(req, res) {
-	const manifest = await generateManifest(req.params.manifestid)
+	let manifest = {};
 	res.set('Access-Control-Allow-Origin', '*');
+	try {
+		manifest = await generateManifest(req.params.manifestid)
+	} catch(error) {
+		res.status(500).json({
+			status: 500,
+			message: 'There was an error processing this request',
+			details: error
+		});
+	}
 	res.json(manifest);
 });
 
 /* GET canvas JSON */
 router.get('/iiif/:manifestid/canvas/:name', async function(req, res) {
-	const canvas = await generateCanvas(req.params.manifestid, req.params.name)
+	let canvas = {};
 	res.set('Access-Control-Allow-Origin', '*');
+	try {
+		canvas = await generateCanvas(req.params.manifestid, req.params.name)
+	} catch(error) {
+		res.status(500).json({status: 500, message: 'There was an error processing this request'});
+	}
 	res.json(canvas);
 });
 
 /* GET sequence JSON */
 router.get('/iiif/:manifestid/sequence/:name', async function(req, res) {
-	const sequence = await generateSequence(req.params.manifestid, req.params.name)
+	let sequence = {};
 	res.set('Access-Control-Allow-Origin', '*');
+	try {
+		sequence = await generateSequence(req.params.manifestid, req.params.name)
+	} catch(error) {
+		res.status(500).json({status: 500, message: 'There was an error processing this request'});
+	}
 	res.json(sequence);
 });
 
 /* GET possible params for manifest responses */
 router.get('/params', async function(req, res) {
-	res.json(await exposeParams());
+	res.set('Access-Control-Allow-Origin', '*');
+	try {
+		res.json(await exposeParams());
+	} catch(error) {
+		res.status(500).json({status: 500, message: 'There was an error processing this request'});
+	}
 });
 
 export default router;