server: Use database for userssync-with-db

1 files changed, 97 insertions, 0 deletions

diff --git a/src/sync/index.js b/src/sync/index.js
new file mode 100644
index 0000000..3ccbad9
--- /dev/null
+++ b/src/sync/index.js
@@ -0,0 +1,97 @@
+/**
+ * Copyright (C) 2018 Noah Loomans
+ *
+ * This file is part of rooster.hetmml.nl.
+ *
+ * rooster.hetmml.nl is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * rooster.hetmml.nl is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with rooster.hetmml.nl.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+const moment = require('moment');
+
+const axios = require('../shared/lib/axios');
+const { insertUsers } = require('../shared/lib/db');
+const getUrlOfUser = require('../shared/lib/getURLOfUser');
+const { scrapeUsers, scrapeAltName } = require('./scrapeScheduleData');
+
+moment.locale('nl');
+
+const delay = ms => new Promise(resolve => setTimeout(resolve, ms));
+
+async function fetchUsers() {
+  const navBar = await axios.get('/dagroosters/frames/navbar.htm');
+  const users = scrapeUsers(navBar.data);
+
+  return users;
+}
+
+async function fetchAltNameOfUser(user) {
+  const url = getUrlOfUser('dag', user.type, user.index, moment().week());
+  const schedule = await axios.get(url);
+  const altName = scrapeAltName(schedule.data);
+  return altName;
+}
+
+function simplifyNameOfUser(user) {
+  if (user.type === 'class') {
+    return {
+      ...user,
+      name: user.name.slice(2),
+    };
+  }
+
+  return user;
+}
+
+async function sync() {
+  const users = (await fetchUsers()).map(simplifyNameOfUser);
+
+  const alts = [];
+
+  /* eslint-disable no-restricted-syntax, no-await-in-loop */
+  const teachers = users.filter(user => user.type === 'teacher')
+    .slice(0, 3); // TODO: Remove this.
+  for (const teacher of teachers) {
+    await delay(500);
+    const altName = await fetchAltNameOfUser(teacher);
+    console.log(`${teacher.key}: ${altName}`);
+    if (altName) {
+      alts.push({ key: teacher.key, altName });
+    }
+  }
+  /* eslint-enable no-restricted-syntax, no-await-in-loop */
+
+  const usersWithAlts = users.map((user) => {
+    const { altName } = (
+      alts.find(altUser => altUser.key === user.key) || { altName: undefined }
+    );
+
+    return {
+      ...user,
+      altName,
+    };
+  });
+
+  await insertUsers(usersWithAlts);
+  console.log(usersWithAlts.filter(user => user.type === 'teacher'));
+}
+
+sync()
+  .then(() => {
+    process.exit();
+  })
+  .catch((error) => {
+    console.error(error);
+    process.exit(1);
+  });