Solution of 06

.gitignore

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+### 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

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+"""
+Django settings for MEIM_Lsg project.
+
+Generated by 'django-admin startproject' using Django 2.1.3.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/2.1/ref/settings/
+"""
+
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = ')xick@t1@bw8is(h)bxan0(m)vp7*y_7)@+*g_(cp8(ts5&zq-'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'posts.apps.PostsConfig'        #you could also add 'posts' to register everything in your app
+
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'MEIM_Lsg.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [os.path.join(BASE_DIR, 'templates')]
+        ,
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'MEIM_Lsg.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/2.1/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/2.1/topics/i18n/
+
+LANGUAGE_CODE = 'de-de'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/2.1/howto/static-files/
+
+STATIC_URL = '/static/'

MEIM_Lsg/urls.py

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+"""news URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/2.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import include, path
+from . import views
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('', views.index, name='posts'),
+    path('posts/', include('posts.urls'), name='posts')
+]

MEIM_Lsg/views.py

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

MEIM_Lsg/wsgi.py

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+"""
+WSGI config for MEIM_Lsg project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'MEIM_Lsg.settings')
+
+application = get_wsgi_application()

manage.py

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+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == '__main__':
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'MEIM_Lsg.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)

posts/admin.py

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+from django.contrib import admin
+
+# Register your models here.

posts/apps.py

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+from django.apps import AppConfig
+
+
+class PostsConfig(AppConfig):
+    name = 'posts'

posts/forms.py

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+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

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+# 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

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+from django.db import models
+
+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/tests.py

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

posts/urls.py

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+from . import views
+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='index'),
+    re_path('delete/(?P<value>\d+)/$', views.delete, name='delete'),
+    re_path('(?P<value>.*)/$', views.home, name='textausgabe'),
+    path('new', views.new, name='new'),
+    # only accept numbers ^[0-9]*$
+]

posts/views.py

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+from django.shortcuts import render, redirect
+from datetime import timedelta
+from django.utils import timezone
+from posts.models import Notice
+from posts.forms import NoticeForm
+from django.http import HttpResponse
+# Create your views here.
+
+
+#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)
+
+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)
+
+def delete(request, value):
+    notice = Notice.objects.get(id = value)
+    notice.delete()
+    return redirect('index')

templates/base.html

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+<!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">
+      <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>
+  </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

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+{% 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

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+{% 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>
+        <p><a href="{% url 'delete' notice.id %}" class="btn btn-info" role="button">Nachricht löschen</a></p>
+        </div>
+    {% endfor %}
+    <p><a href="{% url 'new' %}" class="btn btn-info" role="button">Neue Nachricht</a></p>
+{% endblock content %}