feat: pdf support

src/endpoints.ts

@@ -2,6 +2,7 @@ import meta from "./meta";
 import midi from "./midi";
 import musicxml from "./musicxml";
 import audio from "./audio";
+import sheet from "./sheet";
 
 import { RequestHandler } from "express";
 import LocalError, { handleHTTP } from "./error";
@@ -17,7 +18,9 @@ const endpointDefs = {
     "mp3": audio,
     "ogg": audio,
     "flac": audio,
-    "wav": audio
+    "wav": audio,
+
+    "pdf": sheet
 };
 
 export default (async (req, res) => {

src/sheet.ts

@@ -0,0 +1,24 @@
+import winston from "winston";
+import webmscore from "webmscore";
+import { RequestHandler } from "express";
+import * as mscore from "./mscore";
+import * as error from "./error";
+
+export default (async (req, res) => {
+    winston.http("SHEET accessed.");
+
+    let score: webmscore;
+    try { score = await mscore.mkScore(req.body, req.params.eid, false); }
+    catch (e) {
+        return error.handleHTTP(res, e);
+    }
+
+    const sheet = await (score.savePdf());
+
+    // Send it off.
+    res.setHeader("Content-Disposition", `attachement; filename=${await score.titleFilenameSafe()}_${req.params.eid || "FULLSCORE"}.pdf`);
+    res.contentType("application/pdf");
+    res.send(Buffer.from(sheet));
+
+    score.destroy();
+}) as RequestHandler;