Files
edx-platform/lms/djangoapps/teams/serializers.py
2015-06-03 18:04:17 +00:00

116 lines
3.7 KiB
Python

"""Defines serializers used by the Team API."""
from django.contrib.auth.models import User
from rest_framework import serializers
from openedx.core.lib.api.serializers import CollapsedReferenceSerializer
from openedx.core.lib.api.fields import ExpandableField
from .models import CourseTeam, CourseTeamMembership
from openedx.core.djangoapps.user_api.serializers import UserSerializer
class UserMembershipSerializer(serializers.ModelSerializer):
"""Serializes CourseTeamMemberships with only user and date_joined
Used for listing team members.
"""
user = ExpandableField(
collapsed_serializer=CollapsedReferenceSerializer(
model_class=User,
id_source='username',
view_name='accounts_api',
read_only=True,
),
expanded_serializer=UserSerializer(),
)
class Meta(object):
"""Defines meta information for the ModelSerializer."""
model = CourseTeamMembership
fields = ("user", "date_joined")
read_only_fields = ("date_joined",)
class CourseTeamSerializer(serializers.ModelSerializer):
"""Serializes a CourseTeam with membership information."""
id = serializers.CharField(source='team_id', read_only=True) # pylint: disable=invalid-name
membership = UserMembershipSerializer(many=True, read_only=True)
class Meta(object):
"""Defines meta information for the ModelSerializer."""
model = CourseTeam
fields = (
"id",
"name",
"is_active",
"course_id",
"topic_id",
"date_created",
"description",
"country",
"language",
"membership",
)
read_only_fields = ("course_id", "date_created")
class CourseTeamCreationSerializer(serializers.ModelSerializer):
"""Deserializes a CourseTeam for creation."""
class Meta(object):
"""Defines meta information for the ModelSerializer."""
model = CourseTeam
fields = (
"name",
"course_id",
"description",
"topic_id",
"country",
"language",
)
def restore_object(self, attrs, instance=None):
"""Restores a CourseTeam instance from the given attrs."""
return CourseTeam.create(
name=attrs.get("name", ''),
course_id=attrs.get("course_id"),
description=attrs.get("description", ''),
topic_id=attrs.get("topic_id", ''),
country=attrs.get("country", ''),
language=attrs.get("language", ''),
)
class MembershipSerializer(serializers.ModelSerializer):
"""Serializes CourseTeamMemberships with information about both teams and users."""
user = ExpandableField(
collapsed_serializer=CollapsedReferenceSerializer(
model_class=User,
id_source='username',
view_name='accounts_api',
read_only=True,
),
expanded_serializer=UserSerializer(read_only=True)
)
team = ExpandableField(
collapsed_serializer=CollapsedReferenceSerializer(
model_class=CourseTeam,
id_source='team_id',
view_name='teams_detail',
read_only=True,
),
expanded_serializer=CourseTeamSerializer(read_only=True)
)
class Meta(object):
"""Defines meta information for the ModelSerializer."""
model = CourseTeamMembership
fields = ("user", "team", "date_joined")
read_only_fields = ("date_joined",)
class TopicSerializer(serializers.Serializer):
"""Serializes a topic."""
description = serializers.CharField()
name = serializers.CharField()
id = serializers.CharField() # pylint: disable=invalid-name