app.py

import requests
from bs4 import BeautifulSoup, SoupStrainer
import concurrent.futures
from flask import Flask, request, render_template
from flask import jsonify
from attendance import *
import time

MAIN = {}

app = Flask(__name__)

def generate_course_links(request_object, huid, passw):
    course_links = []
    Only_parse = SoupStrainer('script', attrs={'language': 'JavaScript'})
    totalcourses_soup = BeautifulSoup(request_object, 'lxml', parse_only=Only_parse)

    for x in totalcourses_soup.find_all('script',language='JavaScript'):
        if 'var PFieldList_win4' in str(x):
            TOTAL_COURSES = str(x)
            break
    
    TOTAL_COURSES = int(TOTAL_COURSES[TOTAL_COURSES.find('DESCR1')+8:len(TOTAL_COURSES)-79])

    For_Codes = SoupStrainer('a',class_='PSHYPERLINK')
    code_soup = BeautifulSoup(request_object, 'lxml', parse_only=For_Codes)

    for link in range(TOTAL_COURSES):
        code = code_soup.find('a',class_='PSHYPERLINK',id='SELECT$'+str(link)).get_text()
        url = "https://pscs.habib.edu.pk/psc/ps_4/EMPLOYEE/PSFT_HR/c/MANAGE_ACADEMIC_RECORDS.STDNT_ATTENDANCE.GBL?Page=STDNT_ATTND_SRCH&Action=U&ACAD_CAREER=UGRD&CLASS_NBR="+code+"&DESCR=HCPPALL&EMPLID="+huid[2:]+"&INSTITUTION=HUNIV&STRM=2211&TargetFrameName=None"
        course_links.append(url)

    return course_links

def Info_and_Courses(url, huid, passw):
    main_dict = {}

    login_data = {'userid':huid, 'pwd':passw}
    request_return = requests.post(url, data=login_data, verify=False).text
    Parse_only = SoupStrainer(class_=['PSEDITBOX_DISPONLY'])
    name_soup = BeautifulSoup(request_return, 'lxml', parse_only=Parse_only)
    Name = name_soup.find('span',class_='PSEDITBOX_DISPONLY',id='PERSONAL_DTSAVW_NAME').get_text()
    # print(Name)
    main_dict['username'] = Name
    main_dict['id'] = huid
    # print(main_dict)
    links = generate_course_links(request_return, huid, passw)
    main_dict['coursedata'] = multithreading(links, huid, passw)


    main_dict['last_updated'] = time.time()

    return main_dict
    

@app.route("/")
def greetings():
    return "Hazir HU API"

@app.route('/logincheck')
def login_check():

    ID = request.args.get('id')
    PASS = request.args.get('pwd')
    
    URL = 'https://pscs.habib.edu.pk/psc/ps_4/EMPLOYEE/PSFT_HR/c/X_ATTEND_TRACKING.STDNT_ATTEND_TERM.GBL?Page=STDNT_ATTDNCE1&Action=U&EMPLID='+ID[2:]+'&INSTITUTION=HUNIV&STRM=2011&TargetFrameName=None'
    login_data = {'userid':ID, 'pwd':PASS}
    print(login_data)
    r = requests.post(URL, data=login_data, verify=False)
    if r.status_code == 200:
        request_return = r.text
        Parse_only = SoupStrainer(class_=['PSEDITBOX_DISPONLY'])
        try:
            name_soup = BeautifulSoup(request_return, 'lxml', parse_only=Parse_only)
            Name = name_soup.find('span',class_='PSEDITBOX_DISPONLY',id='PERSONAL_DTSAVW_NAME').get_text()
            if ',' in Name:
                first_name = Name.split(',')[1]
            else:
                first_name = Name
            return jsonify(
                status = "success",
                name = first_name)
        except Exception as e:
            print(e)
            return jsonify(
                status = 'invalid credentials')
    else:
        return jsonify(
            status = 'network error')


@app.route("/login")
def login():
    
    ID = request.args.get('id')
    PASS = request.args.get('pwd')

    print(ID, PASS)
    if isinstance(ID, str) == False or isinstance(PASS, str) == False:
        return jsonify(
            status = "null id or password"
        )
        
    if ID[2:].isdigit() == False:
        return jsonify(
            status = "incorrect id"
        )

    URL = 'https://pscs.habib.edu.pk/psc/ps_4/EMPLOYEE/PSFT_HR/c/X_ATTEND_TRACKING.STDNT_ATTEND_TERM.GBL?Page=STDNT_ATTDNCE1&Action=U&EMPLID='+ID[2:]+'&INSTITUTION=HUNIV&STRM=2011&TargetFrameName=None'

    try:
        return_main = Info_and_Courses(URL, ID, PASS)
    except Exception as e:
        print(e)
        return jsonify(
            status = "network error"
        )

    return jsonify(return_main)

if __name__ == '__main__':
    app.run(debug=False)
    app.run('0.0.0.0',80)