Rest API Basics Break #1

Author: codingforentrepreneurs

src/cfehome/urls.py

@@ -13,9 +13,10 @@
 1. Import the include() function: from django.conf.urls import url, include
 2. Add a URL to urlpatterns: url(r'^blog/', include('blog.urls'))
 """
-from django.conf.urls import url
+from django.conf.urls import url, include
 from django.contrib import admin
 
 urlpatterns = [
 url(r'^admin/', admin.site.urls),
+url(r'^api/postings/', include('postings.api.urls', namespace='api-postings')),
 ]

src/db.sqlite3

@@ -1,3 +1,6 @@
 from django.contrib import admin
 
-# Register your models here.
+
+from .models import BlogPost
+
+admin.site.register(BlogPost)

src/postings/admin.py

@@ -0,0 +1,10 @@
+1. API Endpoint(s) uri (url)
+- Retrieve Update Delete
+- Create & List & Search
+
+2. HTTP methods
+- GET, POST, PUT, , DELETE
+
+3. Data Types & Validation
+- JSON -> Serializer
+- Validation -> Serializer

src/postings/api/__init__.py

@@ -0,0 +1,18 @@
+from rest_framework import serializers
+
+from postings.models import BlogPost
+
+
+class BlogPostSerializer(serializers.ModelSerializer): # forms.ModelForm
+class Meta:
+model = BlogPost
+fields = [
+'pk',
+'user',
+'title',
+'content',
+'timestamp',
+]
+
+# converts to JSON
+# validations for data passed

src/postings/api/notes.md

@@ -0,0 +1,7 @@
+from django.conf.urls import url
+
+
+from .views import BlogPostRudView
+urlpatterns = [
+url(r'^(?P<pk>\d+)/$', BlogPostRudView.as_view(), name='post-rud')
+]

src/postings/api/serializers.py

@@ -0,0 +1,19 @@
+# generic
+
+
+from rest_framework import generics
+
+from postings.models import BlogPost
+from .serializers import BlogPostSerializer
+
+class BlogPostRudView(generics.RetrieveUpdateDestroyAPIView): # DetailView CreateView FormView
+lookup_field = 'pk' # slug, id # url(r'?P<pk>\d+')
+serializer_class = BlogPostSerializer
+#queryset = BlogPost.objects.all()
+
+def get_queryset(self):
+return BlogPost.objects.all()
+
+# def get_object(self):
+# pk = self.kwargs.get("pk")
+# return BlogPost.objects.get(pk=pk)

src/postings/api/urls.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.8 on 2017-12-19 22:13
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+initial = True
+
+dependencies = [
+migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+]
+
+operations = [
+migrations.CreateModel(
+name='BlogPost',
+fields=[
+('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+('title', models.CharField(blank=True, max_length=120, null=True)),
+('content', models.TextField(blank=True, max_length=120, null=True)),
+('timestamp', models.DateTimeField(auto_now_add=True)),
+('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+],
+),
+]

src/postings/api/views.py

@@ -1,3 +1,14 @@
+from django.conf import settings
 from django.db import models
 
-# Create your models here.
+
+
+class BlogPost(models.Model):
+# pk aka id --> numbers
+user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
+title = models.CharField(max_length=120, null=True, blank=True)
+content = models.TextField(max_length=120, null=True, blank=True)
+timestamp = models.DateTimeField(auto_now_add=True)
+
+def __str__(self):
+return str(self.user.username)