From c0f19d41c8dfb6d499defcfc63c273bbc8918584 Mon Sep 17 00:00:00 2001
From: Alban Gruin
Date: Sat, 9 Sep 2017 19:37:12 +0200
Subject: Génération automatique d’un slug pour les modèles Year et Timetable

---
 admin.py  |  1 +
 models.py | 16 ++++++++++++++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/admin.py b/admin.py
index 2fc0e78..48930e0 100644
--- a/admin.py
+++ b/admin.py
@@ -21,6 +21,7 @@ from .models import Timetable, LastUpdate, Group, Room, Course, Year
 class YearAdmin(admin.ModelAdmin):
     prepopulated_fields = {"slug": ("name",)}
     list_display = ("name",)
+    ordering = ("name",)
 
 
 @admin.register(Timetable)
diff --git a/models.py b/models.py
index 6bb9733..c263510 100644
--- a/models.py
+++ b/models.py
@@ -21,7 +21,19 @@ from django.utils.text import slugify
 from .utils import parse_group
 
 
-class Year(models.Model):
+class SlugModel(models.Model):
+    def save(self):
+        if not self.slug:
+            self.slug = slugify(self.name)
+
+        super(SlugModel, self).save()
+
+
+    class Meta:
+        abstract = True
+
+
+class Year(SlugModel):
     name = models.CharField(max_length=16, verbose_name="année")
     slug = models.SlugField(max_length=16, unique=True, default="")
 
@@ -34,7 +46,7 @@ class Year(models.Model):
         verbose_name_plural = "années"
 
 
-class Timetable(models.Model):
+class Timetable(SlugModel):
     year = models.ForeignKey(Year, on_delete=models.CASCADE, verbose_name="année")
     name = models.CharField(max_length=64, verbose_name="nom")
     url = models.URLField(max_length=255, verbose_name="URL")
-- 
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