diff options
Diffstat (limited to 'yaksh/models.py')
| -rw-r--r-- | yaksh/models.py | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/yaksh/models.py b/yaksh/models.py index 826c0e8..d011bb0 100644 --- a/yaksh/models.py +++ b/yaksh/models.py @@ -35,7 +35,7 @@ from yaksh.code_server import ( from yaksh.settings import SERVER_POOL_PORT, SERVER_HOST_NAME from django.conf import settings from django.forms.models import model_to_dict - +from grades.models import GradingSystem languages = ( ("python", "Python"), @@ -331,7 +331,8 @@ class Quiz(models.Model): allow_skip = models.BooleanField("Allow students to skip questions", default=True) - weightage = models.FloatField(default=1.0) + weightage = models.FloatField(help_text='Will be considered as percentage', + default=100) is_exercise = models.BooleanField(default=False) @@ -605,6 +606,8 @@ class Course(models.Model): null=True ) + grading_system = models.ForeignKey(GradingSystem, null=True, blank=True) + objects = CourseManager() def _create_duplicate_instance(self, creator, course_name=None): @@ -775,6 +778,14 @@ class Course(models.Model): percent = round((count / len(modules))) return percent + def get_grade(self, user): + course_status = CourseStatus.objects.filter(course=self, user=user) + if course_status.exists(): + grade = course_status.first().get_grade() + else: + grade = "NA" + return grade + def days_before_start(self): """ Get the days remaining for the start of the course """ if timezone.now() < self.start_enroll_time: @@ -796,7 +807,44 @@ class CourseStatus(models.Model): course = models.ForeignKey(Course) user = models.ForeignKey(User) grade = models.CharField(max_length=255, null=True, blank=True) - total_marks = models.FloatField(default=0.0) + percentage = models.FloatField(default=0.0) + + def get_grade(self): + return self.grade + + def set_grade(self): + if self.is_course_complete(): + self.calculate_percentage() + if self.course.grading_system is None: + grading_system = GradingSystem.objects.get(name='default') + else: + grading_system = self.course.grading_system + grade = grading_system.get_grade(self.percentage) + self.grade = grade + self.save() + + def calculate_percentage(self): + if self.is_course_complete(): + quizzes = self.course.get_quizzes() + total_weightage = 0 + sum = 0 + for quiz in quizzes: + total_weightage += quiz.weightage + marks = AnswerPaper.objects.get_user_best_of_attempts_marks( + quiz, self.user.id, self.course.id) + out_of = quiz.questionpaper_set.first().total_marks + sum += (marks/out_of)*quiz.weightage + self.percentage = (sum/total_weightage)*100 + self.save() + + def is_course_complete(self): + modules = self.course.get_learning_modules() + complete = False + for module in modules: + complete = module.get_status(self.user, self.course) == 'completed' + if not complete: + break + return complete ############################################################################### |