Source code for quiz.models

from django.db import models
from django.contrib.auth.models import User
import datetime
from django.utils import timezone

[docs]class Permission(models.Model): """This class is used to create the userspermission table in database.Defines the permission of the user default permission is Student the admin can provide staff permission""" userId=models.ForeignKey(to=User, on_delete=models.CASCADE) role=models.CharField(max_length=1,default="S")
[docs]class quiz(models.Model): """This class is used to create the quiz table in database.Contains information about the quiz time,length,code and instructor who has created it""" quizId=models.AutoField(primary_key=True) #primary key startTime=models.TimeField() date=models.DateField(default=datetime.date.today) length=models.FloatField(max_length=10) quizCode=models.CharField(max_length=100,default='Code') ##quiz Code set by instructor quizDone=models.BooleanField(default=False) quizInfo=models.CharField(max_length=100,default="No Info Available") quizInstructor=models.ForeignKey(to=User, on_delete=models.CASCADE) @property def end_datetime( self ): starttime = datetime.datetime.combine( self.date, self.startTime if self.startTime is not None else datetime.time.min ) endtime = starttime + datetime.timedelta(minutes=self.length) return endtime def __str__(self): return str(self.quizId)
[docs]class Questions(models.Model): """ This class is used to create the Questions table in database.Contains info about the questions within a particular quiz and its attributes like socre and negative marks and correct answer""" question = models.TextField() option1 = models.CharField(max_length=100) option2 = models.CharField(max_length=100) option3 = models.CharField(max_length=100) option4 = models.CharField(max_length=100) answer = models.CharField(max_length=100) type=models.CharField(max_length=10,default=1) marks =models.IntegerField(default=1) negative = models.FloatField(max_length=10,default=0) explainations=models.TextField(max_length=1000,default='No Explaination Given') questionId=models.AutoField(primary_key=True,) quizCode =models.CharField(max_length=100,default='Code') quizId=models.ForeignKey(quiz,to_field='quizId',on_delete=models.CASCADE)#unique quiz identification def __str__(self): return str(self.questionId) class Meta: db_table="Questions"
[docs]class submission(models.Model): """ This class is used to create the Submission table in database.Contains info about each questions answer submitted by each student""" questionId=models.ForeignKey(Questions,to_field='questionId',on_delete=models.CASCADE) option=models.CharField(max_length=100) studentId=models.ForeignKey(to=User, on_delete=models.CASCADE) quizId=models.ForeignKey(quiz,to_field='quizId',on_delete=models.CASCADE)#unique quiz identification
[docs]class cribs(models.Model): """ This class is used to create the cribs table in database.Contains cribs raised by students""" studentId=models.ForeignKey(to=User, on_delete=models.CASCADE) cribs=models.CharField(max_length=1000) quizId=models.ForeignKey(quiz,to_field='quizId',on_delete=models.CASCADE) questionId=models.ForeignKey(Questions,to_field='questionId',on_delete=models.CASCADE) class Meta: db_table="cribs"
[docs]class result(models.Model): """This class is used to create the result table in database.Stores cumulative score by each student in each quiz""" studentId = models.ForeignKey(to=User, on_delete=models.CASCADE) quizId = models.ForeignKey(quiz, to_field='quizId', on_delete=models.CASCADE) marks=models.IntegerField(default=0)
[docs]class log(models.Model): """This class is used to create the log table in database.stores the student activity information for monitoring the students""" quizId=models.ForeignKey(quiz,to_field='quizId',on_delete=models.CASCADE, default="") studentId = models.ForeignKey(to=User, on_delete=models.CASCADE, default="") logtime = models.DateTimeField(default=timezone.now) fullscreen=models.CharField(max_length=20, default="") questions=models.CharField(max_length=20, default="")