add datebegin and dateend to travel

src/travel/admin.py

@@ -2,5 +2,10 @@ from django.contrib import admin
 
 from travel.models import Travel, Event
 
-admin.site.register(Travel)
+class TravelAdmin(admin.ModelAdmin):
+    model = Travel
+    
+    list_display = ('__str__', 'datebegin', 'dateend')
+
+admin.site.register(Travel, TravelAdmin)
 admin.site.register(Event)

src/travel/migrations/0004_auto_20160711_2000.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.7 on 2016-07-11 20:00
+from __future__ import unicode_literals
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('travel', '0003_auto_20160711_1956'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='travel',
+            name='datebegin',
+            field=models.DateField(default=datetime.datetime(2016, 7, 11, 20, 0, 41, 67609)),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='travel',
+            name='dateend',
+            field=models.DateField(blank=True, null=True),
+        ),
+    ]

src/travel/models.py

@@ -7,8 +7,13 @@ class Travel(models.Model):
     Initialize a new travel.
     """
     name = models.CharField(max_length=255)
+    datebegin = models.DateField()
+    dateend = models.DateField(null=True, blank=True)
     user = models.ManyToManyField(User)
     
+    def __str__(self):
+        return self.name
+    
 class Event(models.Model):
     """
     The set of event that compose your travel.