reading submission viewset

Author: rockstarr-programmerr

classroom/filters/__init__.py

@@ -1,3 +1,4 @@
 from .classroom import ClassroomFilter
 from .exercise import ReadingExerciseFilter
 from .question import ReadingQuestionFilter
+from .reading_submission import ReadingSubmissionFilter

classroom/filters/reading_submission.py

@@ -0,0 +1,28 @@
+from django_filters import rest_framework as filters
+
+from classroom.models import ReadingSubmission
+
+
+class ReadingSubmissionFilter(filters.FilterSet):
+    class Meta:
+        model = ReadingSubmission
+        fields = {
+            'exercise': ['exact'],
+            'submitter': ['exact'],
+            'submit_datetime': ['gte', 'lte'],
+        }
+
+    @property
+    def qs(self):
+        parent = super().qs
+        user = self.request.user
+
+        if user.is_teacher():
+            classrooms = user.classrooms_teaching.all()
+            qs = parent.filter(exercise__classrooms__in=classrooms)
+        else:
+            qs = parent.filter(submitter=user)
+        qs = qs.select_related('exercise__creator')\
+               .prefetch_related('answers')
+
+        return qs

classroom/migrations/0012_auto_20211006_2118.py

@@ -0,0 +1,22 @@
+# Generated by Django 3.2.7 on 2021-10-06 14:18
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('classroom', '0011_readingsubmission_readingsubmissionanswer'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='readingsubmission',
+            options={'ordering': ['exercise', 'submitter', 'submit_datetime']},
+        ),
+        migrations.AlterField(
+            model_name='readingsubmission',
+            name='submit_datetime',
+            field=models.DateTimeField(auto_now_add=True),
+        ),
+    ]

classroom/models/reading_submission.py

@@ -1,6 +1,5 @@
 from django.contrib.auth import get_user_model
 from django.db import models
-from django.utils import timezone
 
 from .reading_exercise import ReadingExercise
 
@@ -10,7 +9,7 @@
 class ReadingSubmission(models.Model):
     exercise = models.ForeignKey(ReadingExercise, on_delete=models.CASCADE, related_name='submissions')
     submitter = models.ForeignKey(User, on_delete=models.CASCADE, related_name='reading_submissions')
-    submit_datetime = models.DateTimeField(default=timezone.now)
+    submit_datetime = models.DateTimeField(auto_now_add=True)
 
     class Meta:
-        ordering = ['exercise', 'submitter']
+        ordering = ['exercise', 'submitter', 'submit_datetime']

classroom/serializers/__init__.py

@@ -1,6 +1,6 @@
 from .classroom import (AddReadingExerciseSerializer, AddStudentSerializer,
-                        ClassroomSerializer,
-                        RemoveReadingExerciseSerializer,
+                        ClassroomSerializer, RemoveReadingExerciseSerializer,
                         RemoveStudentSerializer)
 from .exercise import ReadingExerciseSerializer
 from .question import ReadingQuestionSerializer
+from .reading_submission import ReadingSubmissionSerializer

classroom/serializers/reading_submission.py

@@ -0,0 +1,12 @@
+from rest_framework import serializers
+from classroom.models import ReadingSubmission
+
+
+class ReadingSubmissionSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = ReadingSubmission
+        fields = ['pk', 'url', 'exercise', 'submitter', 'submit_datetime']
+        extra_kwargs = {
+            'url': {'view_name': 'reading-submission-detail'},
+            'exercise': {'view_name': 'reading-exercise-detail'},
+        }

classroom/urls.py

@@ -13,5 +13,6 @@
 router.register('classrooms', views.ClassroomViewSet, basename='classroom')
 router.register('reading-exercises', views.ReadingExerciseViewSet, basename='reading-exercise')
 router.register('reading-questions', views.ReadingQuestionViewSet, basename='reading-question')
+router.register('reading-submissions', views.ReadingSubmissionViewSet, basename='reading-submission')
 
 urlpatterns.extend(router.urls)

classroom/views/__init__.py

@@ -1,3 +1,4 @@
 from .classroom import ClassroomViewSet
 from .exercise import ReadingExerciseViewSet
 from .question import ReadingQuestionViewSet
+from .reading_submission import ReadingSubmissionViewSet

classroom/views/reading_submission.py

@@ -0,0 +1,13 @@
+from rest_framework.viewsets import ReadOnlyModelViewSet
+
+from classroom.filters import ReadingSubmissionFilter
+from classroom.models import ReadingSubmission
+from classroom.serializers import ReadingSubmissionSerializer
+
+
+class ReadingSubmissionViewSet(ReadOnlyModelViewSet):
+    queryset = ReadingSubmission.objects.all()
+    serializer_class = ReadingSubmissionSerializer
+    filterset_class = ReadingSubmissionFilter
+    ordering_fields = ['exercise', 'submitter', 'submit_datetime']
+    ordering = ['exercise', 'submitter', 'submit_datetime']