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mturk.js
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mturk.js
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// -*- mode: js; indent-tabs-mode: nil; js-basic-offset: 4 -*-
//
// This file is part of ThingEngine
//
// Copyright 2018 The Board of Trustees of the Leland Stanford Junior University
//
// Author: Silei Xu <silei@cs.stanford.edu>
//
// See COPYING for details
"use strict";
const fs = require('fs');
const util = require('util');
const csv = require('csv');
const express = require('express');
const db = require('../util/db');
const ThingTalk = require('thingtalk');
const multer = require('multer');
const csurf = require('csurf');
const user = require('../util/user');
const platform = require('../util/platform');
const model = require('../model/mturk');
const example = require('../model/example');
const AdminThingpediaClient = require('../util/admin-thingpedia-client');
const TokenizerService = require('../util/tokenizer_service');
const iv = require('../util/input_validation');
const { BadRequestError } = require('../util/errors');
var router = express.Router();
async function uploadBatch(dbClient, req) {
const batch = await model.create(dbClient, { name: req.body.name, submissions_per_hit: req.body.submissions_per_hit });
let minibatch = [];
let columns = ['batch'];
for (let i = 1; i < 5; i ++ ) {
columns.push(`id${i}`);
columns.push(`thingtalk${i}`);
columns.push(`sentence${i}`);
}
columns = columns.join(',');
function doInsert() {
let data = minibatch;
minibatch = [];
return db.insertOne(dbClient, `insert into mturk_input(${columns}) values ?`, [data]);
}
function finish() {
if (minibatch.length === 0)
return Promise.resolve();
return doInsert();
}
function insertOneHIT(programs) {
let row = [batch.id];
programs.forEach((p) => {
row.push(p.id);
row.push(p.code);
row.push(p.sentence);
});
minibatch.push(row);
if (minibatch.length < 100)
return Promise.resolve();
return doInsert();
}
const parser = csv.parse({ columns: true, delimiter: '\t' });
fs.createReadStream(req.files.upload[0].path).pipe(parser);
let promises = [];
let programs = [];
await new Promise((resolve, reject) => {
parser.on('data', (row) => {
programs.push(row);
if (programs.length === 4) {
promises.push(insertOneHIT(programs));
programs = [];
}
});
parser.on('error', reject);
parser.on('end', resolve);
});
await Promise.all(promises);
await finish();
}
async function createBatch(req, res) {
try {
await db.withTransaction((dbClient) => {
return uploadBatch(dbClient, req);
});
} finally {
await util.promisify(fs.unlink)(req.files.upload[0].path);
}
res.redirect(303, '/mturk');
}
router.post('/create', multer({ dest: platform.getTmpDir() }).fields([
{ name: 'upload', maxCount: 1 }
]), csurf({ cookie: false }),
user.requireLogIn, user.requireRole(user.Role.NLP_ADMIN),
iv.validatePOST({ body: 'string', submissions_per_hit: 'integer' }), (req, res, next) => {
if (!req.files.upload || !req.files.upload.length) {
res.status(400).render('error', { page_title: req._("Thingpedia - Error"),
message: req._("Must upload the CSV file")
});
return;
}
createBatch(req, res).catch(next);
});
router.use(csurf({ cookie: false }));
router.get('/', user.requireLogIn, user.requireRole(user.Role.NLP_ADMIN), (req, res, next) => {
db.withClient((dbClient) => {
return model.getBatches(dbClient);
}).then((batches) => {
res.render('mturk_batch_list', {
page_title: req._("Thingpedia - MTurk Batches"),
batches: batches,
csrfToken: req.csrfToken()
});
}).catch(next);
});
router.get('/csv/:batch', user.requireLogIn, user.requireRole(user.Role.NLP_ADMIN), (req, res, next) => {
db.withClient((dbClient) => {
return new Promise((resolve, reject) => {
res.set('Content-disposition', 'attachment; filename=mturk.csv');
res.status(200).set('Content-Type', 'text/csv');
let output = csv.stringify({ header: true });
output.pipe(res);
let query = model.streamHITs(dbClient, req.params.batch);
query.on('result', (row) => {
output.write({url: `https://almond.stanford.edu/submit/mturk/${req.params.batch}/${row.id}` });
});
query.on('end', () => {
output.end();
});
query.on('error', reject);
output.on('error', reject);
res.on('finish', resolve);
});
}).catch(next);
});
router.get('/validation/csv/:batch', user.requireLogIn, user.requireRole(user.Role.NLP_ADMIN), (req, res, next) => {
db.withClient((dbClient) => {
return new Promise((resolve, reject) => {
res.set('Content-disposition', 'attachment; filename=validate.csv');
res.status(200).set('Content-Type', 'text/csv');
let output = csv.stringify({ header: true });
output.pipe(res);
let query = model.streamHITsToValidate(dbClient, req.params.batch);
query.on('result', (row) => {
output.write({url: `https://almond.stanford.edu/validate/mturk/${req.params.batch}/${row.id}` });
});
query.on('end', () => {
output.end();
});
query.on('error', reject);
output.on('error', reject);
res.on('finish', resolve);
});
}).catch(next);
});
function validateOne(dbClient, batchId, language, schemas, utterance, thingtalk) {
return Promise.all([ThingTalk.Grammar.parseAndTypecheck(thingtalk, schemas),
TokenizerService.tokenize(language, utterance)]).then(([program, { tokens: preprocessed, entities }]) => {
let target_code = ThingTalk.NNSyntax.toNN(program, entities);
for (let name in entities) {
if (name === '$used') continue;
throw new BadRequestError('Unused entity ' + name);
}
return example.create(dbClient, {
utterance: utterance,
preprocessed: preprocessed.join(' '),
target_code: target_code.join(' '),
target_json: '', // FIXME
type: 'turking' + batchId,
language: language,
is_base: 0
});
});
}
function validateSubmission(req, res, next) {
for (let i = 1; i < 5; i++) {
let program_id = req.body[`program_id${i}`];
let thingtalk = req.body[`thingtalk${i}`];
if (!iv.checkKey(program_id, 'string')) {
iv.failKey(req, res, `program_id${i}`, {});
return;
}
if (!iv.checkKey(thingtalk, 'string')) {
iv.failKey(req, res, `thingtalk${i}`, {});
return;
}
for (let j = 1; j < 3; j ++) {
let paraphrase = req.body[`paraphrase${i}-${j}`];
if (!iv.checkKey(paraphrase, 'string')) {
iv.failKey(req, res, `paraphrase${i}-${j}`, {});
return;
}
}
}
next();
}
router.post('/submit', iv.validatePOST({ batch: 'string' }), validateSubmission, (req, res, next) => {
let submissionId = (Math.random() + 1).toString(36).substring(2, 10) + (Math.random() + 1).toString(36).substring(2, 10);
db.withTransaction((dbClient) => {
let submissions = [];
return model.getBatchDetails(dbClient, req.body.batch).then((batch) => {
const schemas = new ThingTalk.SchemaRetriever(new AdminThingpediaClient(batch.language, dbClient), null, true);
let examples = [];
for (let i = 1; i < 5; i ++) {
let program_id = req.body[`program_id${i}`];
let thingtalk = req.body[`thingtalk${i}`];
//let sentence = req.body[`sentence${i}`];
for (let j = 1; j < 3; j ++) {
let paraphrase = req.body[`paraphrase${i}-${j}`];
if (paraphrase.toLowerCase().replace(/\./g, '').trim() === 'no idea')
continue;
examples.push(validateOne(dbClient, req.body.batch, batch.language, schemas, paraphrase, thingtalk));
submissions.push({
submission_id: submissionId,
program_id: program_id,
target_count: 3,
accept_count: 0,
reject_count: 0
});
}
}
return Promise.all(examples);
}).then((examples) => {
for (let i = 0; i < examples.length; i++)
submissions[i].example_id = examples[i];
return model.insertSubmission(dbClient, submissions);
}).then(() => {
return model.logSubmission(dbClient, submissionId, req.body.batch, req.body.hit, req.body.worker);
});
}).then(() => {
res.render('mturk-submit', { page_title: req._('Thank you'), token: submissionId });
}).catch(next);
});
router.get(`/submit/:batch/:hit`, (req, res, next) => {
const batch = req.params.batch;
const id = req.params.hit;
db.withClient((dbClient) => {
return model.getHIT(dbClient, batch, id);
}).then((hit) => {
let program_id = [];
let sentences = [];
let code = [];
for (let i = 1; i < 5; i ++) {
program_id.push(hit[`id${i}`]);
code.push(hit[`thingtalk${i}`]);
sentences.push(hit[`sentence${i}`]);
}
res.render('mturk', { page_title: req._('Paraphrase'),
hit: id,
batch: batch,
program_id: program_id,
code: code,
sentences: sentences,
csrfToken: req.csrfToken() });
}).catch(next);
});
module.exports = router;