diff options
Diffstat (limited to 'yaksh/models.py')
| -rw-r--r-- | yaksh/models.py | 64 |
1 files changed, 62 insertions, 2 deletions
diff --git a/yaksh/models.py b/yaksh/models.py index 813453d..64489b8 100644 --- a/yaksh/models.py +++ b/yaksh/models.py @@ -1,5 +1,6 @@ from __future__ import unicode_literals, division from datetime import datetime, timedelta +import uuid import json import random import ruamel.yaml @@ -10,6 +11,7 @@ from collections import Counter, defaultdict from django.db import models from django.contrib.auth.models import User, Group, Permission +from django.core.exceptions import ValidationError from django.contrib.contenttypes.models import ContentType from taggit.managers import TaggableManager from django.utils import timezone @@ -232,6 +234,19 @@ def render_template(template_path, data=None): return render +def validate_image(image): + file_size = image.file.size + limit_mb = 30 + if file_size > limit_mb * 1024 * 1024: + raise ValidationError("Max size of file is {0} MB".format(limit_mb)) + + +def get_image_dir(instance, filename): + return os.sep.join(( + 'post_%s' % (instance.uid), filename + )) + + ############################################################################### class CourseManager(models.Manager): @@ -841,6 +856,15 @@ class LearningModule(models.Model): write_templates_to_zip(zip_file, module_file_path, module_data, module_name, folder_name) + def get_unit_order(self, type, unit): + if type == "lesson": + order = self.get_learning_units().get( + type=type, lesson=unit).order + else: + order = self.get_learning_units().get( + type=type, quiz=unit).order + return order + def __str__(self): return self.name @@ -1153,7 +1177,9 @@ class CourseStatus(models.Model): if self.is_course_complete(): self.calculate_percentage() if self.course.grading_system is None: - grading_system = GradingSystem.objects.get(name__contains='default') + grading_system = GradingSystem.objects.get( + name__contains='default' + ) else: grading_system = self.course.grading_system grade = grading_system.get_grade(self.percentage) @@ -1376,7 +1402,7 @@ class Question(models.Model): testcases.append(case.get_field_value()) q_dict['testcase'] = testcases q_dict['files'] = file_names - q_dict['tags'] = [tags.tag.name for tags in q_dict['tags']] + q_dict['tags'] = [tag.name for tag in q_dict['tags']] questions_dict.append(q_dict) question._add_yaml_to_zip(zip_file, questions_dict) return zip_file_name @@ -2637,4 +2663,38 @@ class TestCaseOrder(models.Model): # Order of the test case for a question. order = models.TextField() + ############################################################################## +class ForumBase(models.Model): + uid = models.UUIDField(unique=True, default=uuid.uuid4, editable=False) + creator = models.ForeignKey(User, on_delete=models.CASCADE) + description = models.TextField() + created_at = models.DateTimeField(auto_now_add=True) + modified_at = models.DateTimeField(auto_now=True) + image = models.ImageField(upload_to=get_image_dir, blank=True, + null=True, validators=[validate_image]) + active = models.BooleanField(default=True) + + +class Post(ForumBase): + title = models.CharField(max_length=200) + course = models.ForeignKey(Course, + on_delete=models.CASCADE, related_name='post') + + def __str__(self): + return self.title + + def get_last_comment(self): + return self.comment.last() + + def get_comments_count(self): + return self.comment.filter(active=True).count() + + +class Comment(ForumBase): + post_field = models.ForeignKey(Post, on_delete=models.CASCADE, + related_name='comment') + + def __str__(self): + return 'Comment by {0}: {1}'.format(self.creator.username, + self.post_field.title) |