Merge pull request #55 from ankitjavalkar/yaksh

Change app name to yaksh

1 files changed, 258 insertions, 0 deletions

diff --git a/testapp/yaksh_app/forms.py b/testapp/yaksh_app/forms.py
new file mode 100644
index 0000000..c0b5cdc
--- /dev/null
+++ b/testapp/yaksh_app/forms.py
@@ -0,0 +1,258 @@
+from django import forms
+from testapp.yaksh_app.models import Profile, Quiz, Question, TestCase
+
+from django.contrib.auth import authenticate
+from django.contrib.auth.models import User
+from taggit.managers import TaggableManager
+from taggit.forms import TagField
+from django.forms.models import inlineformset_factory
+
+from string import letters, punctuation, digits
+import datetime
+
+languages = (
+    ("select", "Select Language"),
+    ("python", "Python"),
+    ("bash", "Bash"),
+    ("c", "C Language"),
+    ("cpp", "C++ Language"),
+    ("java", "Java Language"),
+    ("scilab", "Scilab"),
+    )
+
+question_types = (
+    ("select", "Select Question Type"),
+    ("mcq", "Multiple Choice"),
+    ("mcc", "Multiple Correct Choices"),
+    ("code", "Code"),
+    ("upload", "Assignment Upload"),
+    )
+
+UNAME_CHARS = letters + "._" + digits
+PWD_CHARS = letters + punctuation + digits
+
+attempts = [(i, i) for i in range(1, 6)]
+attempts.append((-1, 'Infinite'))
+days_between_attempts = ((j, j) for j in range(401))
+
+
+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."""
+
+    def __init__(self, *args, **kwargs):
+        super(QuizForm, self).__init__(*args, **kwargs)
+        quizzes = [('', 'Select a prerequisite quiz')]
+        quizzes = quizzes + \
+                       list(Quiz.objects.values_list('id', 'description'))
+        self.fields['prerequisite'] = forms.CharField(required=False,
+                                   widget=forms.Select(choices=quizzes))
+
+    start_date = forms.DateField(initial=datetime.date.today)
+    duration = forms.IntegerField(help_text='Will be taken in minutes')
+    active = forms.BooleanField(required=False)
+    description = forms.CharField(max_length=256, widget=forms.Textarea\
+                                  (attrs={'cols': 20, 'rows': 1}))
+    pass_criteria = forms.FloatField(initial=40,
+                                     help_text='Will be taken as percentage')
+    language = forms.CharField(widget=forms.Select(choices=languages))
+    attempts_allowed = forms.IntegerField(widget=forms.Select(choices=attempts))
+    time_between_attempts = forms.IntegerField\
+            (widget=forms.Select(choices=days_between_attempts),
+                    help_text='Will be in days')
+
+    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"]
+        pass_criteria = self.cleaned_data["pass_criteria"]
+        language = self.cleaned_data["language"]
+        prerequisite = self.cleaned_data["prerequisite"]
+        attempts_allowed = self.cleaned_data["attempts_allowed"]
+        time_between_attempts = self.cleaned_data["time_between_attempts"]
+        new_quiz = Quiz()
+        new_quiz.start_date = start_date
+        new_quiz.duration = duration
+        new_quiz.active = active
+        new_quiz.description = description
+        new_quiz.pass_criteria = pass_criteria
+        new_quiz.language = language
+        new_quiz.prerequisite_id = prerequisite
+        new_quiz.attempts_allowed = attempts_allowed
+        new_quiz.time_between_attempts = time_between_attempts
+        new_quiz.save()
+
+
+class QuestionForm(forms.ModelForm):
+    """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}), required=False)
+    options = forms.CharField(widget=forms.Textarea\
+                              (attrs={'cols': 40, 'rows': 1}), required=False)
+    language = forms.CharField(max_length=20, widget=forms.Select\
+                               (choices=languages))
+    type = forms.CharField(max_length=8, widget=forms.Select\
+                           (choices=question_types))
+    active = forms.BooleanField(required=False)
+    tags = TagField(required=False)
+    snippet = forms.CharField(widget=forms.Textarea\
+                              (attrs={'cols': 40, 'rows': 1}), required=False)
+    ref_code_path = forms.CharField(widget=forms.Textarea\
+                          (attrs={'cols': 40, 'rows': 1}), required=False)
+
+    def save(self, commit=True):
+        summary = self.cleaned_data.get("summary")
+        description = self.cleaned_data.get("description")
+        points = self.cleaned_data.get("points")
+        test = self.cleaned_data.get("test")
+        options = self.cleaned_data.get("options")
+        language = self.cleaned_data.get("language")
+        type = self.cleaned_data.get("type")
+        active = self.cleaned_data.get("active")
+        snippet = self.cleaned_data.get("snippet")
+
+        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.language = language
+        new_question.type = type
+        new_question.active = active
+        new_question.snippet = snippet
+        new_question = super(QuestionForm, self).save(commit=False)
+        if commit:
+            new_question.save()
+
+        return new_question
+
+    class Meta:
+        model = Question
+
+
+class RandomQuestionForm(forms.Form):
+    question_type = forms.CharField(max_length=8, widget=forms.Select\
+                                    (choices=question_types))
+    marks = forms.CharField(max_length=8, widget=forms.Select\
+            (choices=(('select', 'Select Marks'),)))
+    shuffle_questions = forms.BooleanField(required=False)
+
+
+class QuestionFilterForm(forms.Form):
+    def __init__(self, *args, **kwargs):
+        super(QuestionFilterForm, self).__init__(*args, **kwargs)
+        questions = Question.objects.all()
+        points_list = questions.values_list('points', flat=True).distinct()
+        points_options = [('select', 'Select Marks')]
+        points_options.extend([(point, point) for point in points_list])
+        self.fields['marks'] = forms.FloatField(widget=forms.Select\
+                                                    (choices=points_options))
+
+    language = forms.CharField(max_length=8, widget=forms.Select\
+                                (choices=languages))
+    question_type = forms.CharField(max_length=8, widget=forms.Select\
+                                    (choices=question_types))
+
+
+TestCaseFormSet = inlineformset_factory(Question, TestCase,\
+                        can_order=False, can_delete=False, extra=1)