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views.py
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views.py
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from app import app, db
from flask import session, redirect, url_for, render_template, abort, request, flash
from forms import LoginForm
from models import Student, Teacher, Course, Class, Attendance
import os
from werkzeug.utils import secure_filename
from face_match import give_match
ALLOWED_EXTENSIONS = ['png', 'jpg', 'jpeg', 'gif']
@app.route('/index', methods=['GET'])
@app.route('/', methods=['GET'])
def index():
if session.get('logged_in') and session.get('username'):
if session.get('role') == 'teacher':
return redirect(url_for('teacher_dashboard'))
elif session.get('role') == 'student':
return redirect((url_for('student_dashboard')))
else:
return redirect(url_for('login'))
@app.route('/login', methods=['GET'])
def login():
if session.get('logged_in') and session.get('username'):
return redirect(url_for('dashboard'))
else:
return render_template('main_login.html')
@app.route('/login/<role>', methods=['GET', 'POST'])
def login_role(role):
form = LoginForm()
if form.validate_on_submit():
username, password = form.username.data, form.password.data
# TODO: Actually verify password
if role == 'student':
student = Student.query.filter_by(username=username).first()
if student:
session['logged_in'] = True
session['username'] = username
session['role'] = 'student'
return redirect(url_for('student_dashboard'))
else:
form.username.errors.append('Unknown username')
return render_template('student_login.html', form=form)
elif role == 'teacher':
teacher = Teacher.query.filter_by(username=username).first()
if teacher:
session['logged_in'] = True
session['username'] = username
session['role'] = 'teacher'
return redirect(url_for('teacher_dashboard'))
else:
form.username.errors.append('Unknown username')
return render_template('teacher_login.html', form=form)
else:
return abort(403)
else:
if role == 'student':
return render_template('student_login.html', form=form)
elif role == 'teacher':
return render_template('teacher_login.html', form=form)
else:
return abort(404)
@app.route('/logout', methods=['GET', 'POST'])
def logout():
session.clear()
return redirect(url_for('login'))
def allowed_file(filename):
return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
@app.route('/teacher', methods=['GET'])
def teacher_dashboard():
if session.get('role') == 'teacher':
username = session.get('username')
teacher = Teacher.query.filter_by(username=username).first()
courses = teacher.courses_taught
return render_template('teacher_dashboard.html', courses=courses)
else:
return abort(403)
@app.route('/teacher/course/<course_name>', methods=['GET', 'POST'])
def get_course(course_name):
if session.get('role') == 'teacher':
username = session.get('username')
teacher = Teacher.query.filter_by(username=username).first()
course = Course.query.filter_by(teacher=teacher).filter_by(course_name=course_name).first()
if course:
classes = course.classes
return render_template('course_timings.html', course=course, classes=classes)
else:
return abort(403)
else:
return abort(403)
@app.route('/teacher/course/<course_name>/<class_date>', methods=['GET', 'POST'])
def get_class(course_name, class_date):
if request.method == 'POST':
# check if the post request has the file part
if 'file' not in request.files:
flash('No file part')
return redirect(request.url)
file = request.files['file']
# if user does not select file, browser also
# submit an empty part without filename
if file.filename == '':
flash('No selected file')
return redirect(request.url)
if file and allowed_file(file.filename):
filename = secure_filename(file.filename)
file.save(os.path.join(os.getcwd() + '/' + app.config['UPLOAD_FOLDER'], filename))
people_found = give_match(os.path.join(os.getcwd() + '/' + app.config['UPLOAD_FOLDER'], filename))
username = session.get('username')
teacher = Teacher.query.filter_by(username=username).first()
course = Course.query.filter_by(teacher=teacher).filter_by(course_name=course_name).first()
the_class = Class.query.filter_by(course=course).filter_by(date=class_date).first()
for people in people_found:
people = people.strip()
print(people)
student = Student.query.filter_by(full_name=people).first()
if student:
attendance = Attendance(course.id, the_class.id, student.id, True)
db.session.add(attendance)
db.session.commit()
else:
print('Student not detected')
return redirect(request.url)
else:
if session.get('role') == 'teacher':
username = session.get('username')
teacher = Teacher.query.filter_by(username=username).first()
course = Course.query.filter_by(teacher=teacher).filter_by(course_name=course_name).first()
if course:
the_class = Class.query.filter_by(course=course).filter_by(date=class_date).first()
attendance = the_class.attendance
return render_template('class.html', course=course, the_class=the_class, attendances=attendance)
else:
return abort(403)
else:
return abort(403)