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import formidable from "formidable";
import {DOMParser} from "xmldom";
import {MIDI} from "@k-l-lambda/music-widgets";
import * as lilyCommands from "./lilyCommands";
import * as staffSvg from "../inc/staffSvg";
import loadLilyParser from "./loadLilyParserNode";
import {LilyDocument} from "../inc/lilyParser";
import LogRecorder from "../inc/logRecorder";
import * as ScoreMaker from "./scoreMaker";
import * as constants from "./constants";
import {advancedEngrave} from "./advancedEngraver";
const formidableHandle = (name, req, res, handle) =>
new formidable.IncomingForm().parse(req, async (err, fields, files) => {
try {
if (err)
throw err;
const result = await handle(fields, files);
const resultObj = (typeof result === "string" || result instanceof Buffer) ? {body: result} : result;
res.writeHead(resultObj.body ? 200 : 404, resultObj.header);
res.write(resultObj.body);
res.end();
}
catch (error) {
console.error(`${name} error:`, error);
res.writeHead(500);
res.write(error.toString());
res.end();
}
});
const service = {
"/musicxml2ly": {
post: (req, res) => formidableHandle("musicxml2ly", req, res,
({xml, options}) => lilyCommands.xml2ly(xml, options && JSON.parse(options))),
},
"/midi2ly": {
post: (req, res) => formidableHandle("midi2ly", req, res,
({options}, {midi}) => lilyCommands.midi2ly(midi, options && JSON.parse(options))),
},
"/engrave": {
post: (req, res) => formidableHandle("engrave", req, res,
async ({source, tokenize = false, log = false}) => {
const result = await lilyCommands.engraveSvg(source, {includeFolders: constants.LY_INCLUDE_FOLDERS});
if (!tokenize)
return JSON.stringify(result);
const lilyParser = await loadLilyParser();
const lilyDocument = new LilyDocument(lilyParser.parse(source));
//const attributes = lilyDocument.globalAttributes({readonly: true});
//console.log("attributes:", attributes);
lilyDocument.interpret();
const logger = new LogRecorder({enabled: log});
const {doc, hashTable} = staffSvg.createSheetDocumentFromSvgs(result.svgs, source, lilyDocument, {logger, DOMParser});
return JSON.stringify({
...result,
doc,
hashTable,
logger,
});
}),
},
"/engraveScm": {
post: (req, res) => formidableHandle("engraveScm", req, res,
async ({source}) => {
const result = await lilyCommands.engraveScm(source, {includeFolders: constants.LY_INCLUDE_FOLDERS});
return JSON.stringify(result);
}),
},
"/engraveMIDI": {
post: (req, res) => formidableHandle("engraveMIDI", req, res,
async ({source, articulate = false}) => {
const lilyParser = await loadLilyParser();
const midi = await (articulate ? ScoreMaker.makeArticulatedMIDI(source, lilyParser, {includeFolders: constants.LY_INCLUDE_FOLDERS})
: ScoreMaker.makeMIDI(source, lilyParser, {includeFolders: constants.LY_INCLUDE_FOLDERS}));
const buffer = Buffer.from(MIDI.encodeMidiFile(midi));
return {
header: {
"Content-Type": "audio/midi",
},
body: buffer,
};
}),
},
"/advanced-engrave": {
post: (req, res) => new formidable.IncomingForm().parse(req, async (err, fields) => {
try {
if (err)
throw err;
const logger = new LogRecorder({enabled: !!fields.log});
const lilyParser = await loadLilyParser();
const task = advancedEngrave(fields.source, lilyParser, res, {
includeFolders: constants.LY_INCLUDE_FOLDERS,
withMIDI: !!fields.withMIDI,
withNotation: !!fields.withNotation,
withLilyDoc: !!fields.withLilyDoc,
withLilyNotation: !!fields.withLilyNotation,
logger,
});
res.writeHead(200);
await task;
res.end();
}
catch (err) {
console.warn("advanced-engrave error:", err);
res.writeHead(500);
res.write(err.toString());
res.end();
}
}),
},
};
const setEnvironment = env => lilyCommands.setEnvironment(env);
export {
setEnvironment,
service,
lilyCommands,
ScoreMaker,
advancedEngrave,
};
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