move some files from lms/djangoapps/django_comment_client to common/djangoapps/django_comment_common

lms/djangoapps/django_comment_client/models.py

@@ -1,64 +0,0 @@
-import logging
-
-from django.db import models
-from django.contrib.auth.models import User
-
-from django.dispatch import receiver
-from django.db.models.signals import post_save
-
-from student.models import CourseEnrollment
-
-from courseware.courses import get_course_by_id
-
-FORUM_ROLE_ADMINISTRATOR = 'Administrator'
-FORUM_ROLE_MODERATOR = 'Moderator'
-FORUM_ROLE_COMMUNITY_TA = 'Community TA'
-FORUM_ROLE_STUDENT = 'Student'
-
-
-@receiver(post_save, sender=CourseEnrollment)
-def assign_default_role(sender, instance, **kwargs):
-    if instance.user.is_staff:
-        role = Role.objects.get_or_create(course_id=instance.course_id, name="Moderator")[0]
-    else:
-        role = Role.objects.get_or_create(course_id=instance.course_id, name="Student")[0]
-
-    logging.info("assign_default_role: adding %s as %s" % (instance.user, role))
-    instance.user.roles.add(role)
-
-
-class Role(models.Model):
-    name = models.CharField(max_length=30, null=False, blank=False)
-    users = models.ManyToManyField(User, related_name="roles")
-    course_id = models.CharField(max_length=255, blank=True, db_index=True)
-
-    def __unicode__(self):
-        return self.name + " for " + (self.course_id if self.course_id else "all courses")
-
-    def inherit_permissions(self, role):   # TODO the name of this method is a little bit confusing,
-                                         # since it's one-off and doesn't handle inheritance later
-        if role.course_id and role.course_id != self.course_id:
-            logging.warning("%s cannot inherit permissions from %s due to course_id inconsistency", \
-                            self, role)
-        for per in role.permissions.all():
-            self.add_permission(per)
-
-    def add_permission(self, permission):
-        self.permissions.add(Permission.objects.get_or_create(name=permission)[0])
-
-    def has_permission(self, permission):
-        course = get_course_by_id(self.course_id)
-        if self.name == FORUM_ROLE_STUDENT and \
-           (permission.startswith('edit') or permission.startswith('update') or permission.startswith('create')) and \
-           (not course.forum_posts_allowed):
-            return False
-
-        return self.permissions.filter(name=permission).exists()
-
-
-class Permission(models.Model):
-    name = models.CharField(max_length=30, null=False, blank=False, primary_key=True)
-    roles = models.ManyToManyField(Role, related_name="permissions")
-
-    def __unicode__(self):
-        return self.name