Adds twitter_username to Speaker

This change is based on the PyOhio fork located at: https://github.com/PyCon/pycon/search?utf8=%E2%9C%93&q=twitter_username

symposion/speakers/admin.py

@@ -5,5 +5,5 @@ from symposion.speakers.models import Speaker
 
 
 admin.site.register(Speaker,
-                    list_display=["name", "email", "created"],
+                    list_display=["name", "email", "created", "twitter_username"],
                     search_fields=["name"])

symposion/speakers/forms.py

@@ -12,4 +12,11 @@ class SpeakerForm(forms.ModelForm):
             "name",
             "biography",
             "photo",
+            "twitter_username",
         ]
+
+    def clean_twitter_username(self):
+        value = self.cleaned_data["twitter_username"]
+        if value.startswith("@"):
+            value = value[1:]
+        return value

symposion/speakers/migrations/0002_speaker_twitter_username.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.4 on 2016-03-15 03:16
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('symposion_speakers', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='speaker',
+            name='twitter_username',
+            field=models.CharField(blank=True, help_text='Your Twitter account', max_length=15),
+        ),
+    ]

symposion/speakers/models.py

@@ -30,6 +30,11 @@ class Speaker(models.Model):
                                                          "Markdown</a>."), verbose_name=_("Biography"))
     biography_html = models.TextField(blank=True)
     photo = models.ImageField(upload_to="speaker_photos", blank=True, verbose_name=_("Photo"))
+    twitter_username = models.CharField(
+        max_length=15,
+        blank=True,
+        help_text=_(u"Your Twitter account")
+    )
     annotation = models.TextField(verbose_name=_("Annotation"))  # staff only
     invite_email = models.CharField(max_length=200, unique=True, null=True, db_index=True, verbose_name=_("Invite_email"))
     invite_token = models.CharField(max_length=40, db_index=True, verbose_name=_("Invite token"))