[Classroom Status] Add urls for classroom_report

Signed-off-by: Matheus Miranda <matheusmirandalacerda@gmail.com>

courses/reports/serializers.py

 from django.contrib.auth import get_user_model
-from django.contrib.auth.models import Group, CourseStudent, Course, User
+from django.contrib.auth.models import User
 
 from rest_framework import serializers
 

courses/reports/views.py

 from django.contrib.auth import get_user_model
+from django.contrib.auth.models import User
 from django.db.models import Count
 
-from rest_framework import viewsets
+from rest_framework import viewsets, filters
 from rest_framework.response import Response
 from rest_framework.permissions import IsAuthenticated
+from rest_framework.pagination import PageNumberPagination
+
+from django_filters.rest_framework import DjangoFilterBackend
 
 from rest_pandas import PandasViewSet
 from rest_pandas.renderers import PandasCSVRenderer, PandasJSONRenderer
@@ -11,7 +15,7 @@ import pandas as pd
 
 from discussion.models import Comment, CommentLike, Topic, TopicLike
 
-from courses.models import Course, CourseStudent, StudentProgress, User
+from courses.models import Course, CourseStudent, StudentProgress
 from courses.classes.models import Class
 
 from courses_learning_objects.models import LearningObject, Answer
@@ -305,10 +309,10 @@ class ReportPagination(PageNumberPagination):
     max_page_size = 100
 
 
-class UserCourseStats(viewsets.ReadOnlyModelViewSet):
+class UserClassRoomStats(viewsets.ReadOnlyModelViewSet):
     model = User
     queryset = User.objects.all().order_by('name')
-    serializer_class = UserCourseStatsSerializer
+    serializer_class = UserClassRoomStatsSerializer
     filter_fields = ('group',)
     permission_classes = [IsAuthenticated]
     pagination_class = ReportPagination
@@ -328,7 +332,7 @@ class UserCourseStats(viewsets.ReadOnlyModelViewSet):
         ## MANTER O FILTER ABAIXO?
         queryset = super(User, self).get_queryset().filter(is_active=True)
         user = self.request.user
-        course_id = self.request.query_params.get('course')
+        classroom_id = self.request.query_params.get('classroom')
         role = None
         try:
             role = self.request.user.teaching_courses.get(course__id=course_id).role

courses/urls.py

@@ -24,6 +24,7 @@ from courses.reports.views import (
     SummaryViewSet,
     UsersByGroupViewSet,
     UsersByClassViewSet,
+    UserClassRoomStats
 )
 from courses.classroom.views import (
     BasicClassroomViewSet,
@@ -54,6 +55,7 @@ router.register(r'class_basic', BasicClassViewSet)
 router.register(r'summary', SummaryViewSet, base_name='summary')
 router.register(r'users-by-group', UsersByGroupViewSet, base_name='users-by-group')
 router.register(r'users-by-class', UsersByClassViewSet, base_name='users-by-class')
+router.register(r'classroom-reports', UserClassRoomStats, base_name='classroom-reports')
 
 # router.register(r'course_carousel', views.CarouselCourseView, base_name='course_carousel')