Solution of 08

.gitignore

@@ -0,0 +1,93 @@
+### OSX ###
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear on external disk
+.Spotlight-V100
+.Trashes
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.cache
+nosetests.xml
+coverage.xml
+
+# Translations
+*.mo
+*.pot
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+
+### Django ###
+*.log
+*.pot
+*.pyc
+**__pycache__/
+local_settings.py
+db.sqlite3
+
+.env
+**/db.sqlite3
+
+# PyCharm
+**/.idea/
+
+

MEIM_Lsg/settings.py

@@ -37,6 +37,9 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'posts.apps.PostsConfig',        #you could also add 'posts' to register everything in your app
+    'rest_framework'
+
 ]
 
 MIDDLEWARE = [
@@ -104,7 +107,7 @@ AUTH_PASSWORD_VALIDATORS = [
 # Internationalization
 # https://docs.djangoproject.com/en/2.1/topics/i18n/
 
-LANGUAGE_CODE = 'en-us'
+LANGUAGE_CODE = 'de-de'
 
 TIME_ZONE = 'UTC'
 

MEIM_Lsg/urls.py

@@ -15,9 +15,11 @@ Including another URLconf
 """
 from django.contrib import admin
 from django.urls import include, path
-import posts
+from . import views
 
 urlpatterns = [
     path('admin/', admin.site.urls),
-    path('posts/', include('posts.urls'), name='posts')
+    path('', views.index),
+    path('posts/', include('posts.urls')),
+    path('accounts/', include('django.contrib.auth.urls'))
 ]

MEIM_Lsg/views.py

@@ -0,0 +1,5 @@
+from django.shortcuts import render
+# Create your views here.
+
+def index(request):
+    return render(request, 'index.html')

posts/forms.py

@@ -0,0 +1,9 @@
+from django import forms
+import datetime
+
+class NoticeForm(forms.Form):
+    date_formats = ['%d.%m.%Y', '%d.%m.%y']
+    title = forms.CharField(label='Titel', max_length=80)
+    text = forms.CharField(label='Text', max_length=400)
+    start = forms.DateField(label='Von', input_formats=date_formats, initial=datetime.date.today)
+    end = forms.DateField(label='Bis', input_formats=date_formats, initial=datetime.date.today)

posts/migrations/0001_initial.py

@@ -0,0 +1,24 @@
+# Generated by Django 2.1.3 on 2018-11-23 11:25
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Notice',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('notice_title', models.CharField(max_length=80)),
+                ('notice_text', models.CharField(max_length=400)),
+                ('pub_start', models.DateTimeField()),
+                ('pub_end', models.DateTimeField()),
+            ],
+        ),
+    ]

posts/models.py

@@ -1,3 +1,7 @@
 from django.db import models
 
-# Create your models here.
+class Notice(models.Model):
+    notice_title = models.CharField(max_length=80)
+    notice_text = models.CharField(max_length=400)
+    pub_start = models.DateTimeField()
+    pub_end = models.DateTimeField()

posts/serializers.py

@@ -0,0 +1,7 @@
+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')

posts/urls.py

@@ -3,6 +3,9 @@ from django.urls import path, re_path
 
 urlpatterns = [
     # use re_path for regex (.*) - this regex accepts anything - see https://docs.python.org/3/library/re.html for more
-    path('', views.home, name=''),
-    re_path('(?P<value>.*)/$', views.home, name='textwiedergabe')
+    path('', views.home, name='index'),
+    path('delete/<int:value>', views.delete, name='delete'),
+    path('new', views.new, name='new'),
+    path('notices/', views.notice_list, name='index'),
+    path('notices/<int:id>', views.notice_detail, name='delete'),
 ]

posts/views.py

@@ -1,6 +1,88 @@
-from django.http import HttpResponse
+from django.http import JsonResponse, HttpResponse
+from django.shortcuts import render, redirect
+from datetime import timedelta
+from django.utils import timezone
+from rest_framework.parsers import JSONParser
+from django.views.decorators.csrf import csrf_exempt
+
+from posts.models import Notice
+from posts.forms import NoticeForm
+from django.contrib.auth.decorators import login_required
+from django.contrib.admin.views.decorators import staff_member_required
+from posts.serializers import NoticeSerializer
 # Create your views here.
 
-# if no value is given use the default ''
-def home(request, value=''):
-    return HttpResponse(value)
+
+#Titel und die Texte aller Meldungen, deren Veröffentlichungsdatum vor und der Endedatum nach dem aktuellen Datum liegt.
+def home(request, value=""):
+    now = timezone.now()
+    notices = Notice.objects.all()
+    display_notices = list()
+    for notice in notices:
+        if notice.pub_start < now and notice.pub_end > now:
+            display_notices.append(notice)
+    context = {
+        "title": "Beboop",
+        "notices": display_notices
+    }
+    return render(request, 'index.html', context)
+
+@login_required
+def new(request):
+    if request.method == "POST":
+        form = NoticeForm(request.POST)
+        if form.is_valid():
+            newNotice = Notice(notice_title=form.cleaned_data['title'],
+                               notice_text=form.cleaned_data['text'],
+                               pub_start=form.cleaned_data['start'],
+                               pub_end=form.cleaned_data['end'])
+            newNotice.save()
+            return redirect('index')
+    context = {'form': NoticeForm()}
+    return render(request, 'edit.html', context)
+
+@staff_member_required
+def delete(request, value):
+    notice = Notice.objects.get(id = value)
+    notice.delete()
+    return redirect('index')
+
+@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, status=400)
+    return HttpResponse(status=405)
+
+@csrf_exempt
+def notice_detail(request, id):
+    try:
+        notice = Notice.objects.get(id=id)
+    except:
+        return HttpResponse(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 HttpResponse(status=204)
+
+    return HttpResponse(status=405)

templates/base.html

@@ -0,0 +1,53 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <!-- Required meta tags -->
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+    <!-- Bootstrap CSS -->
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
+
+    <title>{% block title %} {% endblock %}</title>
+  </head>
+  <body>
+    <nav class="navbar navbar-expand-lg navbar-light bg-light">
+  <a class="navbar-brand">MEIM</a>
+  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+    <span class="navbar-toggler-icon"></span>
+  </button>
+  <div class="collapse navbar-collapse" id="navbarNav">
+    <ul class="navbar-nav mr-auto mt-2 mt-lg-0">
+      <li class="nav-item active">
+        <a class="nav-link" href="/posts">Posts</a>
+      </li>
+      <li class="nav-item">
+        <a class="nav-link" href="https://www.th-nuernberg.de/fakultaeten/efi/">Efi</a>
+      </li>
+      <li class="nav-item">
+        <a class="nav-link" href="https://www.google.com/">Google</a>
+      </li>
+    </ul>
+  <ul class="navbar-nav">
+  {% if request.user.is_authenticated %}
+      <span class="navbar-text"> Willkommen {{ request.user.username }}! </span>
+         <li class="nav-item">
+             <a class="nav-link" href="{% url 'logout' %}?next=/posts">Abmelden</a>
+            </li>
+        {% else %}
+            <li class="nav-item">
+             <a class="nav-link" href="{% url 'login' %}?next=/posts">Anmelden</a>
+            </li>
+        {% endif %}
+  </ul>
+  </div>
+</nav>
+    {% block content %} {% endblock %}
+
+    <!-- Optional JavaScript -->
+    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
+    <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
+    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
+  </body>
+</html>

templates/edit.html

@@ -0,0 +1,12 @@
+{% extends "base.html" %}
+
+{% block title %} {{ title }} {% endblock title %}
+
+{% block content %}
+    <h1>Neue Nachricht</h1>
+    <form method="POST">
+        {% csrf_token %}
+        {{ form.as_p }}
+        <button type="submit" class="save btn btn-default">Speichern</button>
+    </form>
+{% endblock content %}

templates/index.html

@@ -0,0 +1,18 @@
+{% extends "base.html" %}
+
+{% block title %} {{ title }} {% endblock title %}
+
+{% block content %}
+    {%  for notice in notices %}
+        <div class="jumbotron">
+          <h1 class="display-6">{{ notice.notice_title }}</h1>
+          <p class="lead">{{notice.notice_text}}</p>
+            {% if user.is_staff %}
+                <p><a href="{% url 'delete' notice.id %}" class="btn btn-info" role="button">Nachricht löschen</a></p>
+            {% endif %}
+        </div>
+    {% endfor %}
+    {% if user.is_authenticated %}
+        <p><a href="{% url 'new' %}" class="btn btn-info" role="button">Neue Nachricht</a></p>
+    {% endif %}
+{% endblock content %}

templates/registration/login.html

@@ -0,0 +1,12 @@
+{% extends 'base.html' %}
+{% block title %} Login {% endblock %}
+{%  block content %}
+<div class="container"><form method="post" action="{% url 'login' %}">
+    {% csrf_token %}
+    Benutzername: {{ form.username }}
+    <br>Passwort: {{ form.password }} <br>
+    <button type="submit" class="btn btn-default">Anmelden</button>
+    <input type="hidden" name="next" value="{{ next }}" />
+</form>
+</div>
+{% endblock %}