update

mensaviewer/admin.py

@@ -18,6 +18,6 @@ class LocationAdmin(admin.ModelAdmin):
     pass
 
 
-@admin.register(Day)
-class DayAdmin(admin.ModelAdmin):
+@admin.register(NewsArticle)
+class NewsArticleAdmin(admin.ModelAdmin):
     pass

mensaviewer/forms.py

@@ -9,9 +9,7 @@ from datetime import date
 class MenuForm(forms.ModelForm):
     class Meta:
         model = Menu
-        fields = ['art', 'name', 'price', 'allergens', 'types', 'day']
+        fields = ['location', 'art', 'name', 'price', 'allergens', 'types', 'day']
         widgets = {
-            'types': forms.CheckboxSelectMultiple(choices=TYPES_CHOICES),
-            'allergens': forms.CheckboxSelectMultiple(choices=ALLERGENS_CHOICES),
-            'day': forms.DateInput(attrs={'type': 'date'}, format="%d.%m.%Y"),
+            'day': forms.DateInput(attrs={'type': 'date'}),
         }

mensaviewer/helpers.py

@@ -20,46 +20,39 @@ example_json = [
 
 def load_data(locations, checked_types, status):
     current_week = datetime.date.today().isocalendar().week
-    days = Day.objects.filter(date__week=current_week)
-
     for location in locations:
-        menus = Menu.objects.filter(days__in=days, locations=location)
+        menus = Menu.objects.filter(day__week=current_week, location=location)
         if not menus.exists():
             fetched_data = fetch(location.mensa_id)
             store(fetched_data, location)
-
     data = formatted_menu_data(locations, checked_types, status)
     return data
 
 
 def formatted_menu_data(locations, checked_types, status):
     current_week = datetime.date.today().isocalendar().week
-    days = Day.objects.filter(date__week=current_week)
+    today = datetime.date.today()
+    days = [today + datetime.timedelta(days=i)
+            for i in range(0 - today.weekday(), 5 - today.weekday())]
 
     formatted_data = {}
-
-    for day in days:
-        formatted_data[str(day.date)] = []
-
     for day in days:
+        if day not in formatted_data:
+            formatted_data[day] = []
         for location in locations:
-            menus = Menu.objects.filter(days=day, locations=location)
+            menus = Menu.objects.filter(location=location, day=day)
             for menu in menus:
-
-
                 # AND or OR filter ???
                 if set(checked_types).issubset(set(menu.types)): # <-- AND
-
-
-
-                    formatted_data[str(day.date)].append({
+                    formatted_data[day].append({
                         'art': menu.art,
                         'name': menu.name,
-                        'price': menu.price if status is None else menu.get_price[status],
+                        'price': menu.price if status is None
+                                            else menu.get_price[status],
                         'allergens': menu.get_allergens,
                         'types': menu.get_types,
                         'likes': menu.likes,
-                        'location': location.name,
+                        'location': location,
                         'pk': menu.pk,
                     })
     return formatted_data
@@ -67,32 +60,21 @@ def formatted_menu_data(locations, checked_types, status):
 
 def store(data, location):
     for day_json in data:
-        date_string= day_json['day']
+        date_string = day_json['day']
         menus_json = day_json['menus']
-
-        date = parse_date(date_string)
-
-        if not Day.objects.filter(date=date).exists():
-            Day(date=date).save()
-
-        day = Day.objects.get(date=date)
-
+        day = parse_date(date_string)
         for menu_json in menus_json:
             art = menu_json['art']
             name = menu_json['name']
-            price = menu_json['price'] or "0,00€ / 0,00€ / 0,00€"
+            price = menu_json['price'] or "0,00 € / 0,00 € / 0,00 €"
             allergens = menu_json['allergens']
             types = menu_json['types']
-
-            menu_exists = Menu.objects.filter(art=art, name=name, price=price, allergens=allergens, types=types).exists()
-
+            menu_exists = Menu.objects.filter(art=art, name=name, price=price,
+                                              allergens=allergens, types=types,
+                                              day=day).exists()
             if not menu_exists:
-                Menu(art=art, name=name, price=price, allergens=allergens, types=types).save()
-
-            menu = Menu.objects.get(art=art, name=name, price=price, allergens=allergens, types=types)
-            menu.locations.add(location)
-            menu.days.add(day)
-            menu.save()
+                Menu(art=art, name=name, price=price, allergens=allergens,
+                            types=types, day=day, location=location).save()
 
 
 def fetch(mensa_id: int):
@@ -100,43 +82,3 @@ def fetch(mensa_id: int):
     if res.status_code != 200:
         raise Exception('request failed')
     return res.json()
-
-
-def models_from_json(mensa_id: int):
-    for day_json in fetch_menus(mensa_id):
-        day_date = datetime.datetime.strptime(day_json['day'], '%Y-%m-%d').date()
-
-        if not Day.objects.filter(mensa_id=mensa_id, date__contains=day_date):
-            # create new day model ONLY if it does not yet exist for the given
-            # day_date(s) and mensa_id.
-
-            Day(mensa_id=mensa_id, date=day_date).save()
-        day = Day.objects.get(mensa_id=mensa_id, date=day_date)
-
-        for menu_json in day_json['menus']:
-            # if meal already exists, simply add day to related menus.
-            # otherwise, build new meal model from json with the specified menu
-            # as the first related menu.
-
-            if not Menu.objects.filter(name=menu_json['name']):
-                Menu.from_json(menu_json, day).save()
-
-            day.menus.add(Menu.objects.get(name=menu_json['name']))
-
-
-def days_as_json(mensa_ids: list, types_filter: list, price_filter: str):
-    cw = datetime.date.today().isocalendar().week
-    dates = list(dict.fromkeys([day.date for day in Day.objects.filter(date__week=cw)]))
-
-    days_list = []
-    for date in dates:
-        day_json = { 'day': date, 'menus': [] }
-        for mensa_id in mensa_ids:
-            try:
-                day = Day.objects.get(mensa_id=mensa_id, date=date)
-                for menu in Menu.objects.filter(day=day, related_types__in=Type.objects.filter(type__in=types_filter) if types_filter else Type.objects.all()).distinct():
-                    day_json['menus'].append({ 'menu': menu, 'mensa_id': mensa_id })
-            except ObjectDoesNotExist:
-                pass
-        days_list.append(day_json)
-    return days_list

mensaviewer/migrations/0016_remove_menu_days_delete_day_menu_days.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.1.4 on 2023-01-06 00:06
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mensaviewer', '0015_comment_timestamp'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='menu',
+            name='days',
+        ),
+        migrations.DeleteModel(
+            name='Day',
+        ),
+        migrations.AddField(
+            model_name='menu',
+            name='days',
+            field=models.JSONField(blank=True, null=True),
+        ),
+    ]

mensaviewer/migrations/0017_remove_menu_days_remove_menu_locations_location_city_and_more.py

@@ -0,0 +1,37 @@
+# Generated by Django 4.1.4 on 2023-01-06 22:11
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mensaviewer', '0016_remove_menu_days_delete_day_menu_days'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='menu',
+            name='days',
+        ),
+        migrations.RemoveField(
+            model_name='menu',
+            name='locations',
+        ),
+        migrations.AddField(
+            model_name='location',
+            name='city',
+            field=models.CharField(blank=True, max_length=144, null=True),
+        ),
+        migrations.AddField(
+            model_name='menu',
+            name='day',
+            field=models.DateField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='menu',
+            name='location',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='mensaviewer.location'),
+        ),
+    ]

mensaviewer/migrations/0018_rename_username_comment_author_and_more.py

@@ -0,0 +1,42 @@
+# Generated by Django 4.1.4 on 2023-01-06 22:32
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mensaviewer', '0017_remove_menu_days_remove_menu_locations_location_city_and_more'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='comment',
+            old_name='username',
+            new_name='author',
+        ),
+        migrations.RenameField(
+            model_name='comment',
+            old_name='related_menu',
+            new_name='menu',
+        ),
+        migrations.RemoveField(
+            model_name='comment',
+            name='comment',
+        ),
+        migrations.AddField(
+            model_name='comment',
+            name='text',
+            field=models.CharField(blank=True, max_length=512, null=True),
+        ),
+        migrations.CreateModel(
+            name='NewsArticle',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('author', models.CharField(default='anon', max_length=144)),
+                ('text', models.CharField(blank=True, max_length=8192, null=True)),
+                ('location', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='mensaviewer.location')),
+            ],
+        ),
+    ]

mensaviewer/migrations/0019_alter_comment_text_alter_newsarticle_text.py

@@ -0,0 +1,23 @@
+# Generated by Django 4.1.4 on 2023-01-06 22:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mensaviewer', '0018_rename_username_comment_author_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='comment',
+            name='text',
+            field=models.TextField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='newsarticle',
+            name='text',
+            field=models.TextField(blank=True, null=True),
+        ),
+    ]

mensaviewer/migrations/0020_newsarticle_timestamp.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.1.4 on 2023-01-08 01:01
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mensaviewer', '0019_alter_comment_text_alter_newsarticle_text'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='newsarticle',
+            name='timestamp',
+            field=models.DateTimeField(blank=True, default=django.utils.timezone.now),
+        ),
+    ]

mensaviewer/migrations/0021_newsarticle_title.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.4 on 2023-01-08 02:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mensaviewer', '0020_newsarticle_timestamp'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='newsarticle',
+            name='title',
+            field=models.CharField(blank=True, max_length=144),
+        ),
+    ]

mensaviewer/migrations/0022_alter_menu_allergens_alter_menu_art_alter_menu_name_and_more.py

@@ -0,0 +1,38 @@
+# Generated by Django 4.1.4 on 2023-01-08 03:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mensaviewer', '0021_newsarticle_title'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='menu',
+            name='allergens',
+            field=models.JSONField(blank=True, default=[]),
+        ),
+        migrations.AlterField(
+            model_name='menu',
+            name='art',
+            field=models.CharField(choices=[('M', 'Mensa'), ('C', 'Cafeteria')], default='M', max_length=1),
+        ),
+        migrations.AlterField(
+            model_name='menu',
+            name='name',
+            field=models.CharField(blank=True, default='', max_length=144),
+        ),
+        migrations.AlterField(
+            model_name='menu',
+            name='price',
+            field=models.CharField(blank=True, default='', max_length=144),
+        ),
+        migrations.AlterField(
+            model_name='menu',
+            name='types',
+            field=models.JSONField(blank=True, default=[]),
+        ),
+    ]

mensaviewer/migrations/0023_alter_menu_allergens_alter_menu_art_alter_menu_name_and_more.py

@@ -0,0 +1,38 @@
+# Generated by Django 4.1.4 on 2023-01-08 18:03
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mensaviewer', '0022_alter_menu_allergens_alter_menu_art_alter_menu_name_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='menu',
+            name='allergens',
+            field=models.JSONField(blank=True, default=list),
+        ),
+        migrations.AlterField(
+            model_name='menu',
+            name='art',
+            field=models.CharField(choices=[('Mensa', 'Mensa'), ('Cafeteria', 'Cafeteria')], default='M', max_length=24),
+        ),
+        migrations.AlterField(
+            model_name='menu',
+            name='name',
+            field=models.CharField(blank=True, default='---', max_length=144),
+        ),
+        migrations.AlterField(
+            model_name='menu',
+            name='price',
+            field=models.CharField(blank=True, default='---', max_length=144),
+        ),
+        migrations.AlterField(
+            model_name='menu',
+            name='types',
+            field=models.JSONField(blank=True, default=list),
+        ),
+    ]

mensaviewer/models.py

@@ -10,7 +10,7 @@ class Location(models.Model):
     mensa_id = models.CharField(max_length=2, null=True, blank=True)
 
     def __str__(self):
-        return f"{self.city} - {self.name} [{self.mensa_id}]"
+        return f"{self.city} - {self.name}"
 
     @property
     def menus(self):
@@ -33,7 +33,7 @@ class Menu(models.Model):
                                  blank=True)
 
     def __str__(self):
-        return f"{self.name}"
+        return f"{self.name} - {self.location} | {self.day}"
 
     @property
     def get_price(self):
@@ -69,6 +69,9 @@ class Comment(models.Model):
     author = models.CharField(max_length=144, default='anon')
     text = models.TextField(null=True, blank=True)
 
+    def __str__(self):
+        return f"{self.menu} - {self.author} | {self.timestamp}"
+
 
 class NewsArticle(models.Model):
     location = models.ForeignKey(Location, on_delete=models.CASCADE)
@@ -76,3 +79,6 @@ class NewsArticle(models.Model):
     author = models.CharField(max_length=144, default='anon')
     title = models.CharField(max_length=144, blank=True)
     text = models.TextField(null=True, blank=True)
+
+    def __str__(self):
+        return f"{self.title} | {self.title} - {self.author} | {self.timestamp}"

mensaviewer/templates/base.html

@@ -5,19 +5,28 @@
   <head>
     <meta charset="utf-8">
     <link rel="stylesheet" href="{% static 'base.css' %}">
-    <title>Mensaviewer | {% block title %}Home{%endblock%}</title>
+    <title>Mensaviewer | {% block title %}Home{% endblock %}</title>
   </head>
   <body>
     <header>
-      <h1>Header Title</h1>
+      {% block header %}<h1>Header Title</h1>{% endblock %}
     </header>
-    <nav>
-      <a href="{% url 'mensaviewer:home' %}">Home</a>
-      <a href="/admin">Admin</a>
-    </nav>
     <main>
-      {% block content %}
-      {% endblock %}
+      <nav>
+        <a href="{% url 'mensaviewer:flensburg' %}">Flensburg</a>
+        <a href="{% url 'mensaviewer:custom' %}">Custom</a>
+        <hr>
+        <a href="{% url 'mensaviewer:location_list' %}">Locations</a>
+        <a href="{% url 'mensaviewer:news_list' %}">News Articles</a>
+        <a href="{% url 'mensaviewer:menu_list' %}">Menus</a>
+        <a href="{% url 'mensaviewer:comment_list' %}">Comments</a>
+        <hr>
+        <a href="/admin">Admin</a>
+      </nav>
+      <div class="content">
+        {% block content %}
+        {% endblock %}
+      </div>
     </main>
   </body>
 </html>

mensaviewer/templates/comment/delete.html

@@ -0,0 +1,12 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<form class="model-form" method="post">
+  {% csrf_token %}
+  <p>Are you sure you want to delete "{{ object }}"?</p>
+  {{ form }}
+  <input type="submit" value="Confirm">
+</form>
+
+{% endblock %}

mensaviewer/templates/comment/detail.html

@@ -0,0 +1,12 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<div class="detail-container">
+  <h1>By {{ comment.author }}</h1>
+  <h3>Timestamp: {{ comment.timestamp }}</h3>
+  <h3>Menu: <a href="{% url 'mensaviewer:menu_detail' comment.menu.pk %}">{{ comment.menu.name }}</a></h3>
+  <h3>Text: {{ comment.text }}</h3>
+</div>
+
+{% endblock %}

mensaviewer/templates/comment/edit.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<form class="model-form" method="post">
+  {% csrf_token %}
+  {{ form }}
+  <input type="submit" value="Save">
+</form>
+
+{% endblock %}

mensaviewer/templates/comment/list.html

@@ -0,0 +1,31 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<h1>Comments</h1>
+
+<table class="comment-list">
+  <tr>
+    <td colspan="99" class="centered-td">
+      <a class="btn" href="{% url 'mensaviewer:comment_create' %}">Add Comment</a>
+    </td>
+  </tr>
+  <tr>
+    <th>Author</th>
+    <th>Timestamp</th>
+    <th>Menu</th>
+    <th></th>
+    <th></th>
+  </tr>
+  {% for comment in object_list %}
+  <tr>
+    <td>{{ comment.author }}</td>
+    <td>{{ comment.timestamp }}</td>
+    <td><a href="{% url 'mensaviewer:menu_detail' comment.menu.pk %}">{{ comment.menu }}</a></td>
+    <td class="fit-width"><a href="{% url 'mensaviewer:comment_update' comment.pk %}">Edit</a></td>
+    <td class="fit-width"><a href="{% url 'mensaviewer:comment_delete' comment.pk %}">Delete</a></td>
+  </tr>
+  {% endfor %}
+</table>
+
+{% endblock %}

mensaviewer/templates/custom.html

@@ -0,0 +1,60 @@
+{% extends 'base.html' %}
+
+{% block title %}Custom Locations{% endblock %}
+
+{% block header %}<h1>Show menus for custom location selection</h1>{% endblock %}
+
+{% block content %}
+
+<form class="filter-form" action="{% url 'mensaviewer:custom' %}" method="get">
+  <input type="hidden" name="filterform" value="filter">
+  <div class="type-filter">
+    {% for name, id in types %}
+    <label>
+      {{ name }}
+      <input type="checkbox" name="type" value={{ id }} {% if id in checked_types %} checked{% endif %}>
+    </label>
+    {% endfor %}
+  </div>
+  <div class="status-filter">
+    {% for status_value in status_values %}
+    <label>
+      {{ status_value }}
+      <input type="radio" name="status" value="{{ status_value }}" {% if status == status_value %} checked{% endif %}>
+    </label>
+    {% endfor %}
+  </div>
+  <div class="location-filter">
+    {% for location in locations %}
+    <label>
+      {{ location.name }}
+      <input type="checkbox" name="location" value="{{ location.mensa_id }}" {% if location.mensa_id in selected_locations %} checked{% endif %}>
+    </label>
+    {% endfor %}
+  </div>
+  <button type="submit">Filter</button>
+</form>
+
+<div class="container">
+  {% for day, menus in menu_data.items %}
+  <div class="column">
+    <h2>{{ day }}</h2>
+
+    {% for menu in menus %}
+    <div class="menu {% if menu.mensa_id == 1 %}a-mensa{% elif menu.mensa_id == 6 %}b-mensa{% endif %}">
+      <a href="{% url 'mensaviewer:menu_detail' menu.pk %}">{{ menu.name }}</a>
+      <p>{{ menu.art }}</p>
+      <p>{{ menu.price }}</p>
+      <p>{{ menu.types }}</p>
+      <p>{{ menu.allergens }}</p>
+      <p>{{ menu.likes }}</p>
+      <a href="{% url 'mensaviewer:like' menu.pk %}?next={{ request.path }}">Like</a>
+      <a href="{% url 'mensaviewer:dislike' menu.pk %}?next={{ request.path }}">Dislike</a>
+    </div>
+    {% endfor %}
+
+  </div>
+  {% endfor %}
+</div>
+
+{% endblock %}

mensaviewer/templates/flensburg.html

@@ -1,17 +1,18 @@
 {% extends 'base.html' %}
 
+{% block title %}Flensburg{% endblock %}
+
+{% block header %}<h1>Mensen in Flensburg</h1>{% endblock %}
+
 {% block content %}
 
-<form action="{% url 'mensaviewer:home' %}" method="get">
+<form class="filter-form" action="{% url 'mensaviewer:flensburg' %}" method="get">
   <input type="hidden" name="filterform" value="filter">
-  <div class="type-filters">
+  <div class="type-filter">
     {% for name, id in types %}
     <label>
       {{ name }}
-      <input type="checkbox"
-             name="type"
-             value={{ id }}
-             {% if id in checked_types %} checked{% endif %}>
+      <input type="checkbox" name="type" value={{ id }} {% if id in checked_types %} checked{% endif %}>
     </label>
     {% endfor %}
   </div>
@@ -19,25 +20,10 @@
     {% for status_value in status_values %}
     <label>
       {{ status_value }}
-      <input type="radio"
-             name="status"
-             value="{{ status_value }}"
-             {% if status == status_value %} checked{% endif %}>
+      <input type="radio" name="status" value="{{ status_value }}" {% if status == status_value %} checked{% endif %}>
     </label>
     {% endfor %}
   </div>
-  <div class="location-filter">
-    {% for location in locations %}
-    <label>
-      {{ location.name }}
-      <input type="checkbox"
-             name="location"
-             value="{{ location.mensa_id }}"
-             {% if location.mensa_id in selected_locations %} checked{% endif %}>
-    </label>
-    {% endfor %}
-  </div>
-  <a href="{% url 'mensaviewer:location_create' %}">New Location</a>
   <button type="submit">Filter</button>
 </form>
 
@@ -47,23 +33,21 @@
     <h2>{{ day }}</h2>
 
     {% for menu in menus %}
-    <div class="menu {% if menu.mensa_id == 1 %}a-mensa{% elif menu.mensa_id == 6 %}b-mensa{% endif %}">
-      <a href="{% url 'mensaviewer:menu_detail' menu.pk %}">{{ menu.name }}</a>
-      <p>{{ menu.art }}</p>
+    <div class="menu {% if menu.location.mensa_id == '1' %}a-mensa{% elif menu.location.mensa_id == '6' %}b-mensa{% endif %}">
+      <p>{{ menu.art }} - {{ menu.location.name }}</p>
+      <hr>
+      <h4><a href="{% url 'mensaviewer:menu_detail' menu.pk %}">{{ menu.name }}</a></h4>
       <p>{{ menu.price }}</p>
       <p>{{ menu.types }}</p>
       <p>{{ menu.allergens }}</p>
-      <p>{{ menu.likes }}</p>
       <a href="{% url 'mensaviewer:like' menu.pk %}?next={{ request.path }}">Like</a>
+      <span>{{ menu.likes }}</span>
       <a href="{% url 'mensaviewer:dislike' menu.pk %}?next={{ request.path }}">Dislike</a>
     </div>
     {% endfor %}
 
-
-
   </div>
   {% endfor %}
 </div>
 
-
 {% endblock %}

mensaviewer/templates/location/delete.html

@@ -0,0 +1,12 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<form class="model-form" method="post">
+  {% csrf_token %}
+  <p>Are you sure you want to delete "{{ object }}"?</p>
+  {{ form }}
+  <input type="submit" value="Confirm">
+</form>
+
+{% endblock %}

mensaviewer/templates/location/detail.html

@@ -0,0 +1,29 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<div class="detail-container">
+  <h1>{{ location.name }}</h1>
+  <h3>City: {{ location.city }}</h3>
+  <h3>ID: {{ location.mensa_id }}</h3>
+  <a href="{% url 'mensaviewer:news_add' location.pk %}">Add News</a>
+  <a href="{% url 'mensaviewer:menu_add' location.pk %}">Add Menu</a>
+  <div class="related-items">
+    <h2>News</h2>
+    {% for news_article in location.news_articles %}
+    <div class="news-article">
+      <h3><a href="{% url 'mensaviewer:news_detail' news_article.pk %}">{{ news_article.title }}</a></h3>
+    </div>
+    {% endfor %}
+  </div>
+  <div class="related-items">
+    <h2>Menus</h2>
+    {% for menu in location.menus %}
+    <div class="menu">
+      <h3><a href="{% url 'mensaviewer:menu_detail' menu.pk %}">{{ menu.name }}</a></h3>
+    </div>
+    {% endfor %}
+  </div>
+</div>
+
+{% endblock %}

mensaviewer/templates/location/edit.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<form class="model-form" method="post">
+  {% csrf_token %}
+  {{ form }}
+  <input type="submit" value="Save">
+</form>
+
+{% endblock %}

mensaviewer/templates/location/list.html

@@ -0,0 +1,31 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<h1>Locations</h1>
+
+<table class="location-list">
+  <tr>
+    <td colspan="99" class="centered-td">
+      <a class="btn" href="{% url 'mensaviewer:location_create' %}">New Location</a>
+    </td>
+  </tr>
+  <tr>
+    <th>Name</th>
+    <th>City</th>
+    <th>ID</th>
+    <th></th>
+    <th></th>
+  </tr>
+  {% for location in object_list %}
+  <tr>
+    <td><a href="{% url 'mensaviewer:location_detail' location.pk %}">{{ location.name }}</a></td>
+    <td>{{ location.city }}</td>
+    <td class="fit-width">{{ location.mensa_id }}</td>
+    <td class="fit-width"><a href="{% url 'mensaviewer:location_update' location.pk %}">Edit</a></td>
+    <td class="fit-width"><a href="{% url 'mensaviewer:location_delete' location.pk %}">Delete</a></td>
+  </tr>
+  {% endfor %}
+</table>
+
+{% endblock %}

mensaviewer/templates/menu/delete.html

@@ -0,0 +1,12 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<form class="model-form" method="post">
+  {% csrf_token %}
+  <p>Are you sure you want to delete "{{ object }}"?</p>
+  {{ form }}
+  <input type="submit" value="Confirm">
+</form>
+
+{% endblock %}

mensaviewer/templates/menu/detail.html

@@ -0,0 +1,28 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<div class="detail-container">
+  <h1>{{ menu.name }}</h1>
+  <p>Art: {{ menu.art }}</p>
+  <p>Price for Students: {{ menu.get_price.Student }}</p>
+  <p>Price for Employees: {{ menu.get_price.Employee }}</p>
+  <p>Price for Guests: {{ menu.get_price.Guest }}</p>
+  <p>Allergens: {{ menu.get_allergens }}</p>
+  <p>Types: {{ menu.get_types }}</p>
+  <p>Rating: {{ menu.likes }}</p>
+  <p>Location and Date: {{ menu.location.city }} {{ menu.location.name }} | {{ menu.day }}</p>
+  <a href="{% url 'mensaviewer:like' menu.id %}?next={{ request.path }}">Like</a>
+  <a href="{% url 'mensaviewer:dislike' menu.id %}?next={{ request.path }}">Dislike</a>
+  <a href="{% url 'mensaviewer:comment_add' menu.id %}">Comment</a>
+  <div class="related-items">
+    {% for comment in menu.comments %}
+    <div class="comment">
+      <h3>{{ comment.author }}</h3>
+      <p>{{ comment.text }}</p>
+    </div>
+    {% endfor %}
+  </div>
+</div>
+
+{% endblock %}

mensaviewer/templates/menu/edit.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<form class="model-form" method="post">
+  {% csrf_token %}
+  {{ form }}
+  <input type="submit" value="Save">
+</form>
+
+{% endblock %}

mensaviewer/templates/menu/list.html

@@ -0,0 +1,31 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<h1>Menus</h1>
+
+<table class="menu-list">
+  <tr>
+    <td colspan="99" class="centered-td">
+      <a class="btn" href="{% url 'mensaviewer:menu_create' %}">Add Menu</a>
+    </td>
+  </tr>
+  <tr>
+    <th>Name</th>
+    <th>Location</th>
+    <th>Day</th>
+    <th>Edit</th>
+    <th>Delete</th>
+  </tr>
+  {% for menu in object_list %}
+  <tr>
+    <td><a href="{% url 'mensaviewer:menu_detail' menu.pk %}">{{ menu.name }}</a></td>
+    <td><a href="{% url 'mensaviewer:location_detail' menu.location.pk %}">{{ menu.location.name }}</a></td>
+    <td>{{ menu.day }}</td>
+    <td class="fit-width"><a href="{% url 'mensaviewer:menu_update' menu.pk %}">Edit</a></td>
+    <td class="fit-width"><a href="{% url 'mensaviewer:menu_delete' menu.pk %}">Delete</a></td>
+  </tr>
+  {% endfor %}
+</table>
+
+{% endblock %}

mensaviewer/templates/news/delete.html

@@ -0,0 +1,12 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<form class="model-form" method="post">
+  {% csrf_token %}
+  <p>Are you sure you want to delete "{{ object }}"?</p>
+  {{ form }}
+  <input type="submit" value="Confirm">
+</form>
+
+{% endblock %}

mensaviewer/templates/news/detail.html

@@ -0,0 +1,12 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<div class="detail-container">
+  <h1>By {{ newsarticle.author }}</h1>
+  <h3>Timestamp: {{ newsarticle.timestamp }}</h3>
+  <h3>Location: <a href="{% url 'mensaviewer:location_detail' newsarticle.location.pk %}">{{ newsarticle.location.name }}</a></h3>
+  <h3>Text: {{ newsarticle.text }}</h3>
+</div>
+
+{% endblock %}

mensaviewer/templates/news/edit.html

@@ -0,0 +1,11 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<form class="model-form" method="post">
+  {% csrf_token %}
+  {{ form }}
+  <input type="submit" value="Save">
+</form>
+
+{% endblock %}

mensaviewer/templates/news/list.html

@@ -0,0 +1,33 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<h1>News Articles</h1>
+
+<table class="news-list">
+  <tr>
+    <td colspan="99" class="centered-td">
+      <a class="btn" href="{% url 'mensaviewer:news_create' %}">Add News Article</a>
+    </td>
+  </tr>
+  <tr>
+    <th>Title</th>
+    <th>Author</th>
+    <th>Timestamp</th>
+    <th>Menu</th>
+    <th></th>
+    <th></th>
+  </tr>
+  {% for newsarticle in object_list %}
+  <tr>
+    <td><a href="{% url 'mensaviewer:news_detail' newsarticle.pk %}">{{ newsarticle.title }}</a></td>
+    <td>{{ newsarticle.author }}</td>
+    <td>{{ newsarticle.timestamp }}</td>
+    <td><a href="{% url 'mensaviewer:location_detail' newsarticle.location.pk %}">{{ newsarticle.location.city }} - {{ newsarticle.location.name }}</a></td>
+    <td class="fit-width"><a href="{% url 'mensaviewer:news_update' newsarticle.pk %}">Edit</a></td>
+    <td class="fit-width"><a href="{% url 'mensaviewer:news_delete' newsarticle.pk %}">Delete</a></td>
+  </tr>
+  {% endfor %}
+</table>
+
+{% endblock %}

mensaviewer/urls.py

@@ -3,10 +3,46 @@ from . import views
 
 app_name = 'mensaviewer'
 urlpatterns = [
-    path('', views.home, name='home'),
+    # routes for overview
+    path('', views.flensburg, name='flensburg'),
+    path('custom-location', views.custom, name='custom'),
+
+    # raw create routes
+    path('add-location/', views.LocationCreateView.as_view(), name='location_create'),
+    path('add-news-article/', views.NewsArticleCreateView.as_view(), name='news_create'),
+    path('add-menu/', views.MenuCreateView.as_view(), name='menu_create'),
+    path('add-comment/', views.CommentCreateView.as_view(), name='comment_create'),
+
+    # relation-dependent create routes
+    path('location/<int:pk>/add-news-article/', views.NewsArticleCreateView.as_view(), name='news_add'),
+    path('location/<int:pk>/add-menu/', views.MenuCreateView.as_view(), name='menu_add'),
+    path('menu/<int:pk>/add-comment/', views.CommentCreateView.as_view(), name='comment_add'),
+
+    # list-view routes
+    path('locations/', views.LocationListView.as_view(), name='location_list'),
+    path('news-articles/', views.NewsArticleListView.as_view(), name='news_list'),
+    path('menus/', views.MenuListView.as_view(), name='menu_list'),
+    path('comments/', views.CommentListView.as_view(), name='comment_list'),
+
+    # detail-view routes
+    path('location/<int:pk>/', views.LocationDetailView.as_view(), name='location_detail'),
+    path('news-article/<int:pk>/', views.NewsArticleDetailView.as_view(), name='news_detail'),
     path('menu/<int:pk>/', views.MenuDetailView.as_view(), name='menu_detail'),
+    path('comment/<int:pk>/', views.CommentDetailView.as_view(), name='comment_detail'),
+
+    # update-view routes
+    path('location/<int:pk>/edit/', views.LocationUpdateView.as_view(), name='location_update'),
+    path('news-artice/<int:pk>/edit/', views.NewsArticleUpdateView.as_view(), name='news_update'),
+    path('menu/<int:pk>/edit/', views.MenuUpdateView.as_view(), name='menu_update'),
+    path('comment/<int:pk>/edit/', views.CommentUpdateView.as_view(), name='comment_update'),
+
+    # delete-view routes
+    path('location/<int:pk>/delete/', views.LocationDeleteView.as_view(), name='location_delete'),
+    path('news-artice/<int:pk>/delete/', views.NewsArticleDeleteView.as_view(), name='news_delete'),
+    path('menu/<int:pk>/delete/', views.MenuDeleteView.as_view(), name='menu_delete'),
+    path('comment/<int:pk>/delete/', views.CommentDeleteView.as_view(), name='comment_delete'),
+
+    # like / dislike routes
     path('menu/<int:pk>/like/', views.like, name='like'),
     path('menu/<int:pk>/dislike/', views.dislike, name='dislike'),
-    path('menu/<int:pk>/comment/', views.CommentCreateView.as_view(), name='comment'),
-    path('location/create/', views.LocationCreateView.as_view(), name='location_create')
 ]

mensaviewer/views.py

@@ -1,6 +1,7 @@
-from django.views.generic import DetailView
-from django.views.generic.edit import CreateView
+from django.views.generic import DetailView, ListView
+from django.views.generic.edit import CreateView, UpdateView, DeleteView
 from django.shortcuts import render, redirect, reverse
+from django.urls import reverse_lazy
 
 from .models import *
 from .helpers import *
@@ -8,16 +9,36 @@ from .forms import *
 from .data import *
 
 
-def home(request):
+def flensburg(request):
     filter_query = request.COOKIES.get('filter_query', '')
     if len(request.GET.getlist('filterform')) == 0 and filter_query != '':
-        return redirect(reverse('mensaviewer:home') + '?' + filter_query)
+        return redirect(reverse('mensaviewer:flensburg') + '?' + filter_query)
+
+    checked_types = request.GET.getlist('type')
+    status = request.GET.get('status')
+    selected_locations = Location.objects.filter(mensa_id__in=[1, 6])
+    context = {
+        'types': [(TYPES[type], type) for type in TYPES],
+        'checked_types': checked_types,
+        'status_values': STATUS_VALUES,
+        'status': status,
+        'locations': Location.objects.all(),
+        'menu_data': load_data(selected_locations, checked_types, status),
+    }
+    response = render(request, "flensburg.html", context)
+    response.set_cookie('filter_query', request.GET.urlencode())
+    return response
+
+
+def custom(request):
+    filter_query = request.COOKIES.get('filter_query', '')
+    if len(request.GET.getlist('filterform')) == 0 and filter_query != '':
+        return redirect(reverse('mensaviewer:custom') + '?' + filter_query)
 
     selected_location_ids = request.GET.getlist('location')
     checked_types = request.GET.getlist('type')
     status = request.GET.get('status')
     selected_locations = Location.objects.filter(mensa_id__in=selected_location_ids)
-
     context = {
         'types': [(TYPES[type], type) for type in TYPES],
         'checked_types': checked_types,
@@ -27,8 +48,7 @@ def home(request):
         'selected_locations': selected_location_ids,
         'menu_data': load_data(selected_locations, checked_types, status),
     }
-
-    response = render(request, "flensburg.html", context)
+    response = render(request, "custom.html", context)
     response.set_cookie('filter_query', request.GET.urlencode())
     return response
 
@@ -38,7 +58,7 @@ def like(request, pk):
         menu = Menu.objects.get(pk=pk)
         menu.likes += 1
         menu.save()
-        return redirect(reverse('mensaviewer:home') + '?' + request.GET.get('next'))
+        return redirect(request.GET.get('next'))
 
 
 def dislike(request, pk):
@@ -46,30 +66,155 @@ def dislike(request, pk):
         menu = Menu.objects.get(pk=pk)
         menu.likes -= 1
         menu.save()
-        return redirect(reverse('mensaviewer:home') + '?' + request.GET.get('next'))
+        return redirect(request.GET.get('next'))
 
 
-class MenuDetailView(DetailView):
-    model = Menu
-    template_name = "menu_detail.html"
-    queryset = Menu.objects.all()
 
 
 class LocationCreateView(CreateView):
     model = Location
+    template_name = "location/edit.html"
     fields = '__all__'
-    template_name = "create_location.html"
-    success_url = "/"
+    success_url = reverse_lazy("mensaviewer:location_list")
+
+
+class LocationUpdateView(UpdateView):
+    model = Location
+    template_name = "location/edit.html"
+    fields = '__all__'
+    success_url = reverse_lazy("mensaviewer:location_list")
+
+
+class LocationDeleteView(DeleteView):
+    model = Location
+    template_name = "location/delete.html"
+    success_url = reverse_lazy("mensaviewer:location_list")
+
+
+class LocationDetailView(DetailView):
+    model = Location
+    template_name = "location/detail.html"
+
+
+class LocationListView(ListView):
+    model = Location
+    template_name = "location/list.html"
+
+
+
+
+class NewsArticleCreateView(CreateView):
+    model = NewsArticle
+    template_name = "news/edit.html"
+    fields = ['location', 'title', 'author', 'text']
+    success_url = reverse_lazy("mensaviewer:news_list")
+
+    def get_initial(self):
+        if 'pk' in self.kwargs:
+            return { 'location': get_object_or_404(Location, pk=self.kwargs['pk']) }
+        else:
+            return { 'location': None }
+
+
+class NewsArticleUpdateView(UpdateView):
+    model = NewsArticle
+    template_name = "news/edit.html"
+    fields = ['location', 'title', 'author', 'text']
+    success_url = reverse_lazy("mensaviewer:news_list")
+
+
+class NewsArticleDeleteView(DeleteView):
+    model = NewsArticle
+    template_name = "news/delete.html"
+    success_url = reverse_lazy("mensaviewer:news_list")
+
+
+class NewsArticleDetailView(DetailView):
+    model = NewsArticle
+    template_name = "news/detail.html"
+
+
+class NewsArticleListView(ListView):
+    model = NewsArticle
+    template_name = "news/list.html"
+
+
+
+
+class MenuCreateView(CreateView):
+    model = Menu
+    form_class = MenuForm
+    template_name = "menu/edit.html"
+    success_url = reverse_lazy("mensaviewer:menu_list")
+
+    def get_initial(self):
+        if 'pk' in self.kwargs:
+            return { 'location': get_object_or_404(Location, pk=self.kwargs['pk']) }
+        else:
+            return { 'location': None }
+
+
+class MenuUpdateView(UpdateView):
+    model = Menu
+    form_class = MenuForm
+    template_name = "menu/edit.html"
+    success_url = reverse_lazy("mensaviewer:menu_list")
+
+    def get_initial(self):
+        menu = get_object_or_404(Menu, pk=self.kwargs['pk'])
+        print(menu.types)
+        return { 'types': menu.types }
+
+
+class MenuDeleteView(DeleteView):
+    model = Menu
+    template_name = "menu/delete.html"
+    success_url = reverse_lazy("mensaviewer:menu_list")
+
+
+class MenuDetailView(DetailView):
+    model = Menu
+    template_name = "menu/detail.html"
+
+
+class MenuListView(ListView):
+    model = Menu
+    template_name = "menu/list.html"
+
+
 
 
 class CommentCreateView(CreateView):
     model = Comment
-    fields = ['username', 'comment']
-    template_name = "comment.html"
-    success_url = '/menu/{pk}/'
+    fields = ['menu', 'author', 'text']
+    template_name = "comment/edit.html"
+    success_url = '/menu/{menu_id}/'
 
-    def form_valid(self, form):
-        self.menu = get_object_or_404(Menu, pk=self.kwargs['pk'])
-        form.instance.menu = self.menu
-        print(self.menu)
-        return super().form_valid(form)
+    def get_initial(self):
+        if 'pk' in self.kwargs:
+            return { 'menu': get_object_or_404(Menu, pk=self.kwargs['pk']) }
+        else:
+            return { 'menu': None }
+
+
+class CommentUpdateView(UpdateView):
+    model = Comment
+    fields = ['author', 'text']
+    template_name = "comment/edit.html"
+    success_url = '/menu/{menu_id}/'
+
+
+class CommentDeleteView(DeleteView):
+    model = Comment
+    template_name = "comment/delete.html"
+    success_url = '/menu/{menu_id}/'
+
+
+class CommentDetailView(DetailView):
+    model = Comment
+    template_name = "comment/detail.html"
+
+
+class CommentListView(ListView):
+    model = Comment
+    template_name = "comment/list.html"

static/base.css

@@ -1,15 +1,170 @@
 * {
-  font-family: monospace;
+  font-family: Tahoma;
   box-sizing: border-box;
-  outline: 1px solid green;
-  background-color: rgba(16, 16, 16, 0.1)
 }
 
 body {
   margin: 0;
+  background-color: #1D1D28;
+  color: #EEEDFF;
+}
+
+h1, h2, h3 {
+  margin: 0;
+  padding: 1em;
+}
+
+header {
+  padding-left: 12vw;
+  box-shadow: 0px 0px 32px rgba(0, 0, 0, 0.5);
+}
+
+main {
+  display: flex;
+  background-color: #3E3949;
+}
+
+nav {
+  border-right: 1px solid rgba(0, 0, 0, 0.2);
+  display: flex;
+  flex-direction: column;
+  width: 16vw;
+  min-width: 16em;
+  padding-top: 4em;
+}
+
+nav a {
+  text-align: center;
+  font-size: 18px;
+  padding: 0.6em;
+}
+
+nav a:hover {
+  transition: 250ms;
+  background-color: rgba(0, 0, 0, 0.2);
+}
+
+nav hr {
+  width: 16em;
+  opacity: 0.1;
+}
+
+a {
+  text-decoration: none;
+  color: #EEEDFF;
+}
+
+a:hover {
+  transition: 250ms;
+  color: #FFEFCA;
+}
+
+a:active {
+  color: #CEA716;
+}
+
+form {
+  padding: 1em;
+  margin: 0.5em;
+  border: 1px solid rgba(0, 0, 0, 0.3);
+  border-radius: 0.5em;
+  box-shadow: inset 0px 0px 1em rgba(0, 0, 0, 0.2);
+}
+
+table {
+  width: 100%;
+  padding: 1em;
+  margin: 0.5em;
+  border: 1px solid rgba(0, 0, 0, 0.3);
+  border-radius: 0.5em;
+  box-shadow: inset 0px 0px 1em rgba(0, 0, 0, 0.2);
+}
+
+th {
+  padding: 0.5em;
+  color: #CEA716;
+  text-align: left;
+}
+
+td {
+  padding: 0.5em;
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  border-radius: 0.2em;
+  max-width: 30vw;
+}
+
+.fit-width {
+  width: 1%;
+}
+
+.content {
+  margin-left: 4vw;
+  margin-right: 4vw;
+  flex: 1;
+}
+
+.centered-td {
+  text-align: center;
+  padding: 1em;
+}
+
+.btn {
+  padding: 0.4em;
+  background-color: rgba(0, 0, 0, 0.2);
+  border: 1px solid rgba(0, 0, 0, 0.3);
+  border-radius: 0.5em;
+}
+
+.model-form {
+  display: flex;
+  flex-direction: column;
+}
+
+.model-form input, .model-form textarea, .model-form select, button {
+  margin-top: 0.5em;
+  margin-bottom: 1em;
+  padding: 0.5em;
+  background-color: rgba(0, 0, 0, 0.5);
+  border: 1px solid rgba(0, 0, 0, 1);
+  border-radius: 0.5em;
+  color: #EEEDFF;
+}
+
+.filter-form {
+  display: flex;
+  flex-direction: column;
+}
+
+.filter-form .type-filter, .filter-form .status-filter, .filter-form .location-filter {
+  display: flex;
+  flex-direction: row;
+}
+
+.filter-form label {
+  background-color: rgba(0, 0, 0, 0.2);
+  border: 1px solid rgba(0, 0, 0, 0.3);
+  border-radius: 0.3em;
+  padding: 0.3em;
+  margin: 0.5em;
+  text-align: right;
+}
+
+input[type="submit"], button {
+  cursor: pointer;
+}
+
+input[type="submit"]:active, button:active {
+  transition: 200ms;
+  background-color: rgba(0, 0, 0, 0.7);
+  cursor: pointer;
 }
 
 .container {
+  padding: 0.3em;
+  margin: 0.3em;
+  border: 1px solid rgba(0, 0, 0, 0.3);
+  border-radius: 0.5em;
+  box-shadow: inset 0px 0px 1em rgba(0, 0, 0, 0.2);
   display: flex;
   flex-flow: row wrap;
 }
@@ -20,10 +175,31 @@ body {
 }
 
 .menu {
+  padding: 1em;
+  margin: 0.2em;
+  border-radius: 0.5em;
+  box-shadow: inset 0px 0px 1em rgba(0, 0, 0, 0.2);
+  background-color: rgba(0, 0, 0, 0.2);
   display: flex;
   flex-direction: column;
 }
 
+.menu * {
+  margin: 0;
+}
+
+.menu hr {
+  opacity: 0.2;
+}
+
+.menu p {
+  font-size: 12px;
+}
+
+.menu a {
+  display: inline-block;
+}
+
 .a-mensa {
   background-color: rgba(16, 64, 16, 0.2);
 }