diff --git a/player/migrations/0001_initial.py b/player/migrations/0001_initial.py
new file mode 100644
index 0000000..22fd8e0
--- /dev/null
+++ b/player/migrations/0001_initial.py
@@ -0,0 +1,34 @@
+# Generated by Django 2.0.3 on 2018-03-24 19:03
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Link',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('url', models.URLField(verbose_name='Lien')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Playlist',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('date', models.DateTimeField(verbose_name='date')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='link',
+            name='playlist',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='player.Playlist', verbose_name='Playlist'),
+        ),
+    ]
diff --git a/player/models.py b/player/models.py
index 71a8362..de52e0f 100644
--- a/player/models.py
+++ b/player/models.py
@@ -1,3 +1,31 @@
 from django.db import models
 
-# Create your models here.
+PK_LENGTH = 23
+
+class Playlist(models.Model):
+    date = models.DateTimeField(verbose_name="date")
+
+    @staticmethod
+    def reverse_token(token):
+        return token & ((1 << PK_LENGTH) - 1)
+
+    def get_token(self):
+        return int(self.date.timestamp()) << PK_LENGTH | self.pk
+
+    def get_absolute_url(self):
+        pass
+
+    def __str__(self):
+        return "Playlist " + str(self.get_token())
+
+
+class Link(models.Model):
+    url = models.URLField(verbose_name="Lien")
+    playlist = models.ForeignKey(
+        Playlist,
+        on_delete=models.CASCADE,
+        verbose_name="Playlist",
+    )
+
+    def __str__(self):
+        return "Link : " + self.url + " of " + str(self.playlist)