forked from adrianbarbe/EDBOParse
-
Notifications
You must be signed in to change notification settings - Fork 0
/
parser.js
177 lines (149 loc) · 5.7 KB
/
parser.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
const phantom = require('phantom');
const cheerio = require('cheerio');
const fs = require('fs');
const argv = require('minimist')(process.argv.slice(2));
const Abiturient = require('./models').Abiturient;
const AbiturientSubjects = require('./models').AbiturientSubjects;
const University = require('./models').University;
// You need to pass -s or -speciality argument in order to parse data (Eg. -s 442756 or -speciality 442756)
let specialityParam = 0;
if (argv.s === undefined && argv.speciality === undefined) {
console.error("Please, provide -s or -speciality paramater");
return;
}
if (argv.s !== undefined) {
specialityParam = argv.s;
}
if (argv.speciality !== undefined) {
specialityParam = argv.speciality;
}
if (isNaN(specialityParam)) {
console.error("Please provide a valid integer in -s or -speciality paramater");
}
console.log("Speciality param: ", specialityParam);
(async function () {
const instance = await phantom.create();
const page = await instance.createPage();
await page.on("onResourceRequested", function (requestData) { /*console.info('Requesting', requestData.url); */
});
const status = await page.open(`http://vstup.edbo.gov.ua/offer/${specialityParam}/`);
const allApplications = await getCountAll();
const allApplicationsCeil = Math.ceil(allApplications / 100) * 100;
console.log("Count all applications: ", allApplications, "Count all applications ceiled: ", allApplicationsCeil);
let counter = 0;
for (let i = 0; i <= (allApplicationsCeil); i = i + 100) {
counter++;
console.log("Page counter: ", counter);
console.log("Items counter: ", i);
const buttonExists = await checkButonExists();
if (buttonExists > 0) {
await sleep(2000);
await clickButton();
}
}
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function checkButonExists() {
return await page.evaluate(function () {
return $("#button-load-extra-requests").length;
});
}
async function clickButton() {
console.log("=click button");
return await page.evaluate(function () {
$("#button-load-extra-requests").click();
});
}
async function getCountAll() {
return await page.evaluate(function () {
return parseInt($("#offer-requests-count").text());
});
}
console.log("Page load status: ", status);
const content = await page.property('content');
let $ = cheerio.load(content);
const abiturientsData = [];
$('#offer-requests-body').find('.offer-request').each((i, element) => {
let name = $(element).children('.offer-request-fio').children('span').text();
let status = $(element).children('.offer-request-status').children('span').text();
let priority = parseFloat($(element).children('.offer-request-pr').children('span').text());
let points = parseFloat($(element).children('.offer-request-kb').children('span').first().text());
let subjectsEl = $(element).children('.offer-subjects');
const subjectsData = [];
subjectsEl.find('div').not('.olimp').not('.coeff').each((j, el) => {
let points = parseFloat($(el).find('.ball').text());
subjectsData.push({
name: $(el).find('.subject-name').text(),
points: !isNaN(points) ? points : null,
});
});
let olimp = 0;
let olimpEl = $(subjectsEl).find('.olimp');
if (olimpEl.length > 0) {
olimp = parseFloat(olimpEl.find('.ball').text());
}
let coefficient = 1.0;
let coefficientEl = $(subjectsEl).find('.coeff');
if (coefficientEl.length > 0) {
coefficient = parseFloat(coefficientEl.find('.ball').text());
}
abiturientsData.push({
name,
status,
priority,
points,
olimp,
coefficient,
subjects: subjectsData,
});
});
console.log("Abiturients saved: ", abiturientsData.length);
try {
console.log("Removing old items...");
await Abiturient.destroy({
where: {
uidSpeciality: specialityParam,
},
});
}
catch (err) {
console.log("err drop DB", err);
}
try {
let i = 0;
const university = await University.findOne({
where: {"externalId": specialityParam}
});
for (let ab of abiturientsData) {
i++;
if (i % 50 === 0) {
console.log(`Saving item ${i} from ${abiturientsData.length}`);
}
const dbResponse = await Abiturient.create({
name: ab.name,
status: ab.status,
priority: !isNaN(ab.priority) ? ab.priority : null,
points: !isNaN(ab.points) ? ab.points : null,
olimp: !isNaN(ab.olimp) ? ab.olimp : null,
coefficient: !isNaN(ab.coefficient) ? ab.coefficient : null,
uidSpeciality: specialityParam,
UniversityId: university.id,
AbiturientSubjects: ab.subjects
}, {
include: [AbiturientSubjects]
});
}
}
catch (err) {
console.log("err DB", err);
}
const fileName = `abiturients_${specialityParam}.json`;
fs.writeFile(`data/${fileName}`, JSON.stringify(abiturientsData, null, 4), function (err) {
if (err) {
return console.log("Error occurred while saving file: ", err);
}
console.log(`The file ${fileName} was successfully saved!`);
});
await instance.exit();
}());