Made a seperate function for ripping, to add more clarity
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140
spider.js
140
spider.js
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@ -10,82 +10,31 @@ var scheduletypes = [
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'Lokaalrooster'
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];
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var schoolid;
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var database;
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//Function for getting pages with http requests.
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function get(database) {
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var collection = database.collection('index');
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collection.drop();
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function get() {
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database.collection('index').drop();
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for (scheduletype of scheduletypes) {
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(function (scheduletype) {
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var link = 'http://roosters5.gepro-osi.nl/roosters/rooster.php?school=' + schoolid + '&type=' + scheduletype;
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scheduletype = scheduletype.replace(/rooster/g, '').toLowerCase();
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http.get(link, function (res) {
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var _download = '';
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var _download = {};
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_download.type = scheduletype;
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res.on('data', function (data) {
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_download += data;
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_download.data += data;
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});
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res.on('end', function () {
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var list = extract(_download);
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if (scheduletype == 'leerling') {
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for(studentcategory of list) {
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(function (studentcategory) {
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http.get('http://' + res.req.socket._host + res.req.path + '&afdeling=' + studentcategory, function (res) {
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var _download = '';
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res.on('data', function (data) {
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_download += iconv.decode(data, 'binary');
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rip(_download);
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});
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res.on('end', function () {
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var list_students = cheerio('select', _download).children();
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for (student in list_students) {
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if (!isNaN(student)) {
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var name = cheerio(list_students[student]).text().split(' - ')[1];
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var id = parseInt(cheerio(list_students[student]).val());
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var database_entry = {
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'id' : id,
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'username' : id + name.split(' ')[0].toLowerCase(),
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'full_name' : name,
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'first_name' : name.split(' ')[0],
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'last_name' : name.split(' ').splice(1).join(' '),
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'studentcategory' : studentcategory,
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'type' : scheduletype
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}
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collection.insert(database_entry, showOutput);
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if (studentcategory == list[list.length - 1] && student == list_students.length - 1) {
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database.close();
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}
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}
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}
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});
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});
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})(studentcategory);
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}
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}
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else {
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for (entry of list) {
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var database_entry = {
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'name' : entry,
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'type' : scheduletype
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}
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collection.insert(database_entry, showOutput);
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}
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}
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});
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});
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})(scheduletype);
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}
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@ -98,15 +47,80 @@ function extract(page) {
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return array.splice(1, array.length - 2);
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}
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//Function for ripping all of the information
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function rip(data) {
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var list = extract(data.data);
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var collection = database.collection('index');
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if (data.type == 'Leerlingrooster') {
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for(studentcategory of list) {
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(function (studentcategory) {
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http.get('http://roosters5.gepro-osi.nl/roosters/rooster.php?school=' + schoolid + '&type=' + data.type + '&afdeling=' + studentcategory, function (res) {
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var _download = '';
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res.on('data', function (data) {
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_download += iconv.decode(data, 'binary');
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});
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res.on('end', function () {
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var list_students = cheerio('select', _download).children();
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for (student in list_students) {
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if (!isNaN(student)) {
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var name = cheerio(list_students[student]).text().split(' - ')[1];
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var id = parseInt(cheerio(list_students[student]).val());
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data.type = data.type.replace(/rooster/g, '').toLowerCase();
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var database_entry = {
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'id' : id,
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'username' : id + name.split(' ')[0].toLowerCase(),
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'full_name' : name,
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'first_name' : name.split(' ')[0],
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'last_name' : name.split(' ').splice(1).join(' '),
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'studentcategory' : studentcategory,
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'type' : data.type
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}
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collection.insert(database_entry, showOutput);
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if (studentcategory == list[list.length - 1] && student == list_students.length - 1) {
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database.close();
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}
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}
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}
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});
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});
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})(studentcategory);
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}
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}
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else {
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for (entry of list) {
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var database_entry = {
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'name' : entry,
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'type' : data.type
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}
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collection.insert(database_entry, showOutput);
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}
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}
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}
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//Function being called to access functionality from this module.
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function crawl(sid) {
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schoolid = sid;
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mongodb.connect('mongodb://wallpiece/roosterio', function (error, database) {
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mongodb.connect('mongodb://wallpiece/roosterio', function (error, db) {
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if (error) console.warn(error);
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get(database);
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})
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database = db;
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get();
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});
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}
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//Redundant function for draining native-mongodb-driver output
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function showOutput(error, message) {
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if (process.argv[3] == '-v') {
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