file parsing!!

you can now just drop in a zip in /upload and it'll parse, handle and upload everything for you

right now only the metadata is saved, so the actual file downloads aren't available, but that shouldn't be too hard to implement

this is really hacky however, and dropping in a file with a malformed .sm or 2 .sms will likely make it have a panic attack

definetly needs lots and lots of testing, it barely works

src/index.ts

@@ -58,15 +58,13 @@ db.then(() => {
 
 	app.get('/list', async (req, res) => { // only for testing
 		const docs = await File.find({});
-		const map = docs.map(d => {
-			const keys = Object.keys(d.toObject()).filter(k => !k.startsWith('_'));
-			const obj = {};
-			for (const key of keys) obj[key] = d[key];
-
-			return obj;
-		});
-
-		res.send(JSON.stringify(map));
+		
+		res.send(docs.map((doc: any) => 
+			`${doc.artist} - ${doc.title} by ${doc.credit}<br>` +
+			doc.charts.map(ch =>
+				`- ${ch.difficulty} ${ch.rating}: ${ch.name}`
+			).join('<br>')
+		).join('<br><br>'));
 	});
 
 	app.get('/', (req, res) => {

src/lib/smparse.ts

@@ -0,0 +1,57 @@
+export function parseSM(data: string) {
+	data = data.replace(/[\n\r]/g,'');
+
+	// steps
+	const difficulties = [];
+	const steps = data.split('#NOTES:');
+	steps.slice(1);
+
+	for (const step of steps) {
+		if (step.includes(';')) {
+			const diff: any = {};
+			const stepsSplit = step.split(';')[0].split(':').map(seg => seg.trim());
+
+			if (stepsSplit.length === 6) {
+				diff.type = stepsSplit[0];
+				diff.name = stepsSplit[1];
+				diff.difficulty = stepsSplit[2];
+				diff.rating = Number(stepsSplit[3]);
+				diff.radarvalues = stepsSplit[4].split(',').map(v => Number(v));
+
+				difficulties.push(diff);
+			}
+		}
+	}
+
+	// metadata
+	const lines = data.split(';').filter(l => l.startsWith('#'));
+	const obj: any = {};
+
+	for (const l of lines) {
+		const key = l.split(':')[0].slice(1);
+		let value: any = l.split(':')[1];
+
+		if (value !== '' && !(key === 'FGCHANGES' || key === 'BGCHANGES' || key === 'BETTERBGCHANGES' || key === 'SPELLCARDS')) { // no
+			if (!isNaN(value)) value = Number(value);
+			if (value === 'YES') value = true;
+			if (value === 'NO') value = false;
+			if (typeof value === 'string' && value.includes('=')) { // likely a map
+				const keys = value.split(',').map(v => v.split('=')[0]);
+				const values = value.split(',').map(v => v.split('=')[1]);
+				const map = {};
+
+				for (const i in keys) {
+					map[Number(keys[i])] = Number(values[i]); // afaik maps are only numbers?
+				}
+
+				value = map;
+			}
+	
+			obj[key.toLowerCase()] = value;
+		}
+	}
+
+	obj.charts = difficulties;
+
+	return obj;
+}

src/schema.ts

@@ -1,17 +1,18 @@
 import * as mongoose from 'mongoose';
-import * as Int32 from 'mongoose-int32';
 
 const Schema = mongoose.Schema;
  
 const Sample = new Schema({
-	start: {type: Int32, default: new Int32(0)},
-	length: {type: Int32, default: new Int32(0)}
+	start: {type: Number, default: 0},
+	length: {type: Number, default: 0}
 });
 
 const Chart = new Schema({
+	type: {type: String, default: 'dance-single'},
 	name: {type: String, default: ''},
-	rating: {type: Int32, default: new Int32(0)},
-	type: {type: String, default: 'Challenge'}
+	difficulty: {type: String, default: 'Challenge'},
+	rating: {type: Number, default: 0},
+	radarvalues: [Number]
 });
 
 const FileSchema = new Schema({
@@ -24,7 +25,7 @@ const FileSchema = new Schema({
 	credit: String,
 	uploader: {type: String, default: '00000000-0000-4000-a000-000000000000'},
 	sample: Sample,
-	bpms: {type: [Number], default: 0},
+	bpms: {type: Object, default: {'0': 0}},
 	charts: [Chart]
 });
 

src/upload.ts

@@ -1,11 +1,53 @@
+import { tmpdir } from 'os';
+import * as fs from 'fs';
+const StreamZip = require('node-stream-zip');
+
 import { returnStatic } from './lib/util';
+import { parseSM } from './lib/smparse';
+import { File } from './schema';
 
 export function run(app) {
+	const logger = app.get('logger');
+
 	app.get('/upload', returnStatic('upload.html'));
 	
 	app.post('/upload', async (req, res) => { // only for testing, very abusable
-		console.log(req.files);
-		
-		res.send('ok, i got something');
+		const file = req.files.file;
+		if (file.mimetype !== 'application/zip') return res.status(400).send('Invalid filetype');
+
+		const dir = tmpdir() + '/' + file.md5;
+		fs.writeFile(dir, file.data, (err) => {
+			if (err) throw err;
+
+			const zip = new StreamZip({
+				file: dir,
+				storeEntries: true
+			});
+
+			zip.on('ready', () => {
+				const smFile = Object.values(zip.entries()).find((f: any) =>
+					!f.isDirectory && (f.name.endsWith('.sm'))
+				);
+
+				if (!smFile) {
+					res.status(400).send('No .sm found');
+				} else {
+					const data = zip.entryDataSync((smFile as any).name);
+					const chart = parseSM(data.toString());
+
+					logger.info(`${chart.artist} - ${chart.title} was just uploaded`);
+
+					const file = new File(chart);
+					file.save();
+
+					res.send(`your file "${chart.artist} - ${chart.title}" has been uploaded! check <a href="http://0.0.0.0:8080/list">the listing</a>`); // todo: change to actual url
+				}
+
+				zip.close();
+				fs.unlink(dir, (err) => {
+					if (err) throw err;
+				});
+			});
+		});
 	});
 }