From 858c2fe0c3100c1dcf296d2f4ab9cb70b5cf733b Mon Sep 17 00:00:00 2001
From: Oliver <ohofmann@gmx.net>
Date: Mon, 11 Dec 2023 13:04:28 +0100
Subject: [PATCH] Messages REST

---
 create_notice.http   | 12 +++++++++++
 delete_notice.http   |  6 ++++++
 mysite/settings.py   |  1 +
 polls/serializers.py |  9 ++++++++
 polls/urls.py        |  3 +++
 polls/views.py       | 51 ++++++++++++++++++++++++++++++++++++++++++--
 requirements.txt     |  1 +
 7 files changed, 81 insertions(+), 2 deletions(-)
 create mode 100644 create_notice.http
 create mode 100644 delete_notice.http
 create mode 100644 polls/serializers.py

diff --git a/create_notice.http b/create_notice.http
new file mode 100644
index 0000000..6515599
--- /dev/null
+++ b/create_notice.http
@@ -0,0 +1,12 @@
+POST http://127.0.0.1:8000/polls/notices/ HTTP/1.1
+Content-Type: application/json
+
+{
+    "notice_title": "Notice via API",
+    "notice_text": "This is a notice created via the API",
+    "pub_start": "2019-01-01T00:00:00Z",
+    "pub_end": "2119-12-31T23:59:59Z",
+    "user_id": 1
+}
+
+###
diff --git a/delete_notice.http b/delete_notice.http
new file mode 100644
index 0000000..b26efcb
--- /dev/null
+++ b/delete_notice.http
@@ -0,0 +1,6 @@
+DELETE http://127.0.0.1:8000/polls/notices/15/ HTTP/1.1
+Content-Type: application/json
+
+{}
+
+###
diff --git a/mysite/settings.py b/mysite/settings.py
index abf2b1b..4390791 100644
--- a/mysite/settings.py
+++ b/mysite/settings.py
@@ -29,6 +29,7 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
+    'rest_framework',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
diff --git a/polls/serializers.py b/polls/serializers.py
new file mode 100644
index 0000000..c2b41ea
--- /dev/null
+++ b/polls/serializers.py
@@ -0,0 +1,9 @@
+from rest_framework import serializers
+from .models import Notice
+
+class NoticeSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Notice
+        fields = ['id', 'notice_title', 'notice_text', 'pub_start', 'pub_end', 'user_id']
+
+
diff --git a/polls/urls.py b/polls/urls.py
index 8a3876b..1c08f93 100644
--- a/polls/urls.py
+++ b/polls/urls.py
@@ -5,6 +5,9 @@ urlpatterns = [
     path('', views.index, name='index'),
     path('new', views.new, name='new'),
     path('delete/<int:deleteId>', views.delete, name='delete'),
+
+    path('notices/', views.notice_list, name='notice_list'),
+    path('notices/<int:id>/', views.notice_detail, name='notice_detail'),
 ]
 
 
diff --git a/polls/views.py b/polls/views.py
index 6eae921..39a4f6c 100644
--- a/polls/views.py
+++ b/polls/views.py
@@ -1,10 +1,17 @@
-
+from django.http import JsonResponse
 from django.shortcuts import render, redirect
+from rest_framework.parsers import JSONParser
+
 from .models import Notice
 from django.utils import timezone
 from .forms import NoticeForm
 from django.contrib.auth.decorators import login_required
+from django.views.decorators.csrf import csrf_exempt
+
+
+
 from django.contrib import messages
+from .serializers import NoticeSerializer
 
 
 @login_required
@@ -34,13 +41,14 @@ def delete(request, deleteId=None):
             notice = Notice.objects.get(pk=deleteId)
             if request.user.id == notice.user_id or request.user.is_staff:
                 notice.delete()
-                messages.success(request, f"Nachricht gelöscht")
+                messages.success(request, f"Nachricht cht")
             else:
                 messages.warning(request, f"Keine Berechtigung")
         except:
             messages.warning(request, f"Nachricht nicht gefunden")
     return redirect('index')
 
+
 def index(request):
     notices = Notice.objects.all()
     notices = notices.filter(pub_start__lte=timezone.now())
@@ -48,3 +56,42 @@ def index(request):
     context = {'notices': notices}
     return render(request, 'polls/index.html', context)
 
+
+
+@csrf_exempt
+def notice_list(request):
+    if request.method == 'GET':
+        notices = Notice.objects.all()
+        serializer = NoticeSerializer(notices, many=True)
+        return JsonResponse(serializer.data, safe=False)
+    elif request.method == 'POST':
+        data = JSONParser().parse(request)
+        serializer = NoticeSerializer(data=data)
+        if serializer.is_valid():
+            serializer.save()
+            return JsonResponse(serializer.data, status=201)
+        return JsonResponse(serializer.errors)
+    else:
+        return JsonResponse({'error': 'GET or POST request required'}, status=400)
+
+@csrf_exempt
+def notice_detail(request, id):
+    try:
+        notice = Notice.objects.get(pk=id)
+    except Notice.DoesNotExist:
+        return JsonResponse({'error': 'Notice not found'}, status=404)
+    if request.method == 'GET':
+        serializer = NoticeSerializer(notice)
+        return JsonResponse(serializer.data)
+    elif request.method == 'PUT':
+        data = JSONParser().parse(request)
+        serializer = NoticeSerializer(notice, data=data)
+        if serializer.is_valid():
+            serializer.save()
+            return JsonResponse(serializer.data)
+        return JsonResponse(serializer.errors, status=400)
+    elif request.method == 'DELETE':
+        notice.delete()
+        return JsonResponse({'message': 'Notice was deleted successfully!'}, status=204)
+    else:
+        return JsonResponse({'error': 'GET, PUT or DELETE request required'}, status=400)
diff --git a/requirements.txt b/requirements.txt
index 41f0147..77149c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 Django>=4.2.6
+djangorestframework>=3.14.0