set up api endpoints

api/serializers.py

@@ -0,0 +1,8 @@
+from rest_framework import serializers 
+from .models import Session 
+
+class SessionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Session
+        fields = ('id', 'seconds', 'created_at',)
+

api/urls.py

@@ -0,0 +1,7 @@
+from django.urls import path
+from . import views
+
+urlpatterns = [
+    path('api/sessions', views.SessionList.as_view(), name='session__list'),
+    path('api/sessions/<int:pk>', views.SessionDetail.as_view(), name='session_detail'),
+]

api/views.py

@@ -1,3 +1,11 @@
-from django.shortcuts import render
+from rest_framework import generics
+from .serializers import SessionSerializer 
+from .models import Session
 
-# Create your views here.
+class SessionList(generics.ListCreateAPIView):
+    queryset = Session.objects.all() # tell django how to retrieve all objects from the DB
+    serializer_class = SessionSerializer # tell django what serializer to use
+
+class SessionDetail(generics.RetrieveUpdateDestroyAPIView):
+    queryset = Session.objects.all()
+    serializer_class = SessionSerializer

timer_backend/settings.py

@@ -31,6 +31,7 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
+    'rest_framework',
     'api',
     'django.contrib.admin',
     'django.contrib.auth',

timer_backend/urls.py

@@ -15,7 +15,9 @@ Including another URLconf
 """
 from django.contrib import admin
 from django.urls import path
+from django.conf.urls import include
 
 urlpatterns = [
+    path('', include('api.urls')), # add this
     path('admin/', admin.site.urls),
 ]