New models: TweetAuthor & Tweet

ede/migrations/0001_initial.py

@@ -0,0 +1,45 @@
+# Generated by Django 2.0.1 on 2018-07-08 06:54
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Tweet',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('content', models.TextField()),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='TweetAuthor',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=100)),
+                ('username', models.CharField(max_length=100)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.AddField(
+            model_name='tweet',
+            name='author',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tweets', to='ede.TweetAuthor'),
+        ),
+    ]

ede/mixins.py

@@ -0,0 +1,12 @@
+from django.db import models
+
+
+class TimestampsMixin(models.Model):
+    """
+    `created_at` and `updated_at`
+    """
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        abstract = True

ede/models.py

@@ -0,0 +1,18 @@
+from django.db import models
+from ede.mixins import TimestampsMixin
+
+
+class TweetAuthor(TimestampsMixin, models.Model):
+    """ The one who writes the tweets (or their minion) """
+    name = models.CharField(max_length=100)
+    username = models.CharField(max_length=100)
+
+    @property
+    def url(self):
+        """ e.g. https://twitter.com/jesus """
+        return "https://twitter.com/{username}".format(username=self.username)
+
+
+class Tweet(TimestampsMixin, models.Model):
+    author = models.ForeignKey(to="ede.TweetAuthor", related_name="tweets", on_delete=models.CASCADE)
+    content = models.TextField()