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from django import forms
from exam.models import Profile,Quiz,Question
from django.contrib.auth import authenticate
from django.contrib.auth.models import User
from taggit.managers import TaggableManager
from taggit.forms import TagField
from taggit_autocomplete_modified.managers import TaggableManagerAutocomplete
from taggit_autocomplete_modified.widgets import TagAutocomplete
from taggit_autocomplete_modified import settings
from string import letters, punctuation, digits
import datetime
QUESTION_TYPE_CHOICES = (
("python", "Python"),
("bash", "Bash"),
("mcq", "MCQ"),
)
UNAME_CHARS = letters + "._" + digits
PWD_CHARS = letters + punctuation + digits
class UserRegisterForm(forms.Form):
"""A Class to create new form for User's Registration. It has the various fields and functions required to register a new user to the system"""
username = forms.CharField(max_length=30, help_text='Letters, digits, period and underscores only.')
email = forms.EmailField()
password = forms.CharField(max_length=30, widget=forms.PasswordInput())
confirm_password = forms.CharField(max_length=30, widget=forms.PasswordInput())
first_name = forms.CharField(max_length=30)
last_name = forms.CharField(max_length=30)
roll_number = forms.CharField(max_length=30, help_text="Use a dummy if you don't have one.")
institute = forms.CharField(max_length=128, help_text='Institute/Organization')
department = forms.CharField(max_length=64, help_text='Department you work/study at')
position = forms.CharField(max_length=64, help_text='Student/Faculty/Researcher/Industry/etc.')
def clean_username(self):
u_name = self.cleaned_data["username"]
if u_name.strip(UNAME_CHARS):
msg = "Only letters, digits, period and underscore characters are "\
"allowed in username"
raise forms.ValidationError(msg)
try:
User.objects.get(username__exact = u_name)
raise forms.ValidationError("Username already exists.")
except User.DoesNotExist:
return u_name
def clean_password(self):
pwd = self.cleaned_data['password']
if pwd.strip(PWD_CHARS):
raise forms.ValidationError("Only letters, digits and punctuation are \
allowed in password")
return pwd
def clean_confirm_password(self):
c_pwd = self.cleaned_data['confirm_password']
pwd = self.data['password']
if c_pwd != pwd:
raise forms.ValidationError("Passwords do not match")
return c_pwd
def save(self):
u_name = self.cleaned_data["username"]
u_name = u_name.lower()
pwd = self.cleaned_data["password"]
email = self.cleaned_data['email']
new_user = User.objects.create_user(u_name, email, pwd)
new_user.first_name = self.cleaned_data["first_name"]
new_user.last_name = self.cleaned_data["last_name"]
new_user.save()
cleaned_data = self.cleaned_data
new_profile = Profile(user=new_user)
new_profile.roll_number = cleaned_data["roll_number"]
new_profile.institute = cleaned_data["institute"]
new_profile.department = cleaned_data["department"]
new_profile.position = cleaned_data["position"]
new_profile.save()
return u_name, pwd
class UserLoginForm(forms.Form):
"""Creates a form which will allow the user to log into the system."""
username = forms.CharField(max_length = 30)
password = forms.CharField(max_length=30, widget=forms.PasswordInput())
def clean(self):
super(UserLoginForm, self).clean()
try:
u_name, pwd = self.cleaned_data["username"], self.cleaned_data["password"]
user = authenticate(username = u_name, password = pwd)
except Exception:
raise forms.ValidationError("Username and/or Password is not entered")
if not user:
raise forms.ValidationError("Invalid username/password")
return user
class QuizForm(forms.Form):
"""Creates a form to add or edit a Quiz. It has the related fields and functions required."""
start_date = forms.DateField(initial=datetime.date.today)
duration = forms.IntegerField()
active = forms.BooleanField(required = False)
tags = TagField(widget=TagAutocomplete())
description = forms.CharField(max_length=256, widget=forms.Textarea(attrs={'cols':20,'rows':1}))
def save(self):
start_date = self.cleaned_data["start_date"]
duration = self.cleaned_data["duration"]
active = self.cleaned_data['active']
description = self.cleaned_data["description"]
new_quiz = Quiz()
new_quiz.start_date=start_date
new_quiz.duration=duration
new_quiz.active=active
new_quiz.description=description
new_quiz.save()
class QuestionForm(forms.Form):
"""Creates a form to add or edit a Question. It has the related fields and functions required."""
summary = forms.CharField(widget = forms.Textarea(attrs={'cols': 40, 'rows': 1}))
description = forms.CharField(widget = forms.Textarea(attrs={'cols': 40, 'rows': 1}))
points = forms.FloatField()
test = forms.CharField(widget = forms.Textarea(attrs={'cols': 40, 'rows': 1}))
options = forms.CharField(widget = forms.Textarea(attrs={'cols': 40, 'rows': 1}),required=False)
type = forms.CharField(max_length=8, widget=forms.Select(choices=QUESTION_TYPE_CHOICES))
active = forms.BooleanField(required=False)
tags = TagField(widget=TagAutocomplete(),required=False)
def save(self):
summary = self.cleaned_data["summary"]
description = self.cleaned_data["description"]
points = self.cleaned_data['points']
test = self.cleaned_data["test"]
options = self.cleaned_data['options']
type = self.cleaned_data["type"]
active = self.cleaned_data["active"]
new_question = Question()
new_question.summary = summary
new_question.description = description
new_question.points = points
new_question.test = test
new_question.options = options
new_question.type = type
new_question.active = active
new_question.save()
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