Add basic support for tags on entries :3 cool beans

entries/migrations/0009_tag.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.7 on 2017-11-19 23:43
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entries', '0008_auto_20171116_2116'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Tag',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True)),
+                ('slug', models.CharField(max_length=255, unique=True)),
+            ],
+            options={
+                'ordering': ('name',),
+            },
+        ),
+    ]

entries/migrations/0010_entry_tags.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.7 on 2017-11-19 23:46
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entries', '0009_tag'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='entry',
+            name='tags',
+            field=models.ManyToManyField(related_name='entries', to='entries.Tag'),
+        ),
+    ]

entries/models.py

@@ -17,6 +17,25 @@ from lemoncurry import requests
 ENTRY_KINDS = [(k.id, k.id) for k in kinds.all]
 
 
+class TagManager(models.Manager):
+    def from_name(self, name):
+        tag, created = self.get_or_create(name=name, slug=slugify(name))
+        return tag
+
+
+class Tag(models.Model):
+    objects = TagManager()
+    name = models.CharField(max_length=255, unique=True)
+    slug = models.CharField(max_length=255, unique=True)
+
+    @property
+    def url(self):
+        return reverse('entries:tagged', args=(self.slug,))
+
+    class Meta:
+        ordering = ('name',)
+
+
 class EntryManager(models.Manager):
     def get_queryset(self):
         qs = super(EntryManager, self).get_queryset()
@@ -36,6 +55,8 @@ class Entry(ModelMeta, TimeStampedModel):
     photo = models.ImageField(blank=True)
     content = models.TextField()
 
+    tags = models.ManyToManyField(Tag, related_name='entries')
+
     in_reply_to = models.CharField(max_length=255, blank=True)
     like_of = models.CharField(max_length=255, blank=True)
     repost_of = models.CharField(max_length=255, blank=True)

entries/templates/entries/h-entry.html

@@ -17,6 +17,7 @@
 		{% if entry.name %}<h4 class="card-title p-name">{{ entry.name }}</h4>{% endif %}
 		<div class="e-content{% if not entry.name %} p-name{% endif %}">{{ entry.content | markdown }}</div>
 	</div>
+
 	<div class="card-footer">
 		<a class="p-author h-card" href="{{ entry.author.url }}">
 			<img class="u-photo" src="{{ entry.author.avatar.url }}" />
@@ -38,6 +39,21 @@
 			{{ entry.updated | naturaltime }}
 		</time>
 		{% endif %}
+	</div>
+
+	{% if entry.tags.exists %}
+	<div class="card-footer">
+		{% for t in entry.tags.all %}
+		<a class="p-category" href="{{ t.url }}">
+			<i class="fa fa-hashtag"></i>
+			{{ t.name }}
+		</a>
+		{% endfor %}
+	</div>
+	{% endif %}
+
+	{% if entry.syndications.exists %}
+	<div class="card-footer">
 		{% for s in entry.syndications.all %}
 		<a class="u-syndication" href="{{ s.url }}">
 			<i class="{{ s.profile.site.icon }}"></i>
@@ -45,5 +61,7 @@
 		</a>
 		{% endfor %}
 	</div>
+	{% endif %}
+
 	<script class="p-json-ld" type="application/ld+json">{{ entry.json_ld | jsonify }}</script>
 </article>

entries/urls.py

@@ -15,7 +15,10 @@ app_name = 'entries'
 urlpatterns = [
     url('^atom$', feeds.AtomHomeEntries(), name='atom'),
     url('^rss$', feeds.RssHomeEntries(), name='rss'),
+    url('^tags/(?P<slug>.+)$', views.tagged, name='tagged'),
 ]
+crumbs.add(prefix('tagged'), parent='home:index')
+
 for k in kinds.all:
     kind = k.plural
     id = r'/(?P<id>\d+)'

entries/views.py

@@ -1,6 +1,6 @@
 from annoying.decorators import render_to
-from django.shortcuts import redirect
-from .models import Entry
+from django.shortcuts import get_object_or_404, redirect
+from .models import Entry, Tag
 
 
 @render_to('entries/index.html')
@@ -14,6 +14,15 @@ def index(request, kind):
     }
 
 
+@render_to('entries/index.html')
+def tagged(request, slug):
+    tag = get_object_or_404(Tag, slug=slug)
+    return {
+        'entries': tag.entries.all(),
+        'title': '#' + tag.name,
+    }
+
+
 @render_to('entries/entry.html')
 def entry(request, id, slug=None):
     entry = Entry.objects.get(pk=id)