Uploading chapter 11 remaining files

Chapter11/grades_ms/grades/grades_svc/__init__.py

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+#empty file

Chapter11/grades_ms/grades/grades_svc/admin.py

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+from django.contrib import admin
+from .models import Grade
+
+admin.site.register(Grade)

Chapter11/grades_ms/grades/grades_svc/apps.py

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+from django.apps import AppConfig
+
+
+class GradesSvcConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'grades_svc'

Chapter11/grades_ms/grades/grades_svc/migrations/0001_initial.py

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+# Generated by Django 3.2.5 on 2021-07-03 10:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Grade',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('grade_id', models.CharField(max_length=20)),
+                ('building', models.CharField(max_length=200)),
+                ('teacher', models.CharField(max_length=200)),
+            ],
+        ),
+    ]

Chapter11/grades_ms/grades/grades_svc/migrations/__init__.py

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+#empty file

Chapter11/grades_ms/grades/grades_svc/models.py

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+from django.db import models
+class Grade(models.Model):
+    grade_id = models.CharField(max_length=20)
+    building = models.CharField(max_length=200)
+    teacher = models.CharField(max_length=200)
+
+    def __str__(self):
+        return self.grade_id

Chapter11/grades_ms/grades/grades_svc/serializers.py

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+from rest_framework import serializers
+from .models import Grade
+
+class GradeSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Grade #
+        fields = ('grade_id', 'building', 'teacher')

Chapter11/grades_ms/grades/grades_svc/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

Chapter11/grades_ms/grades/grades_svc/urls.py

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+from django.urls import path
+from .views import GradeViewSet
+
+urlpatterns = [
+    path('grades/', GradeViewSet.as_view({
+        'get':'list',
+        'post':'create'
+
+        })),
+    path('grades/<str:id>', GradeViewSet.as_view({
+        'get': 'retrieve'
+    }))
+]

Chapter11/grades_ms/grades/grades_svc/views.py

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+from rest_framework import viewsets, status
+from rest_framework.response import Response
+from .models import Grade
+from .serializers import GradeSerializer
+
+class GradeViewSet(viewsets.ViewSet):
+
+    def list(self, request):
+        grades_list = Grade.objects.all()
+        serializer = GradeSerializer(grades_list, many=True)
+        return Response(serializer.data)
+
+    def create(self, request):
+        serializer = GradeSerializer(data=request.data)
+        if serializer.is_valid():
+            serializer.save()  # save to db
+            return Response(serializer.data, status=status.HTTP_201_CREATED)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+    def retrieve(self, request, id=None):
+        myclass = Grade.objects.get(grade_id= id)
+        serializer = GradeSerializer(myclass)
+        return Response(serializer.data)