Use model for editor

manuels/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 
-from manuels.models import Teacher, Book, Level
+from manuels.models import Teacher, Book, Level, Editor
 
 
 @admin.register(Teacher)
@@ -16,3 +16,8 @@ class LevelAdmin(admin.ModelAdmin):
 @admin.register(Book)
 class BookAdmin(admin.ModelAdmin):
     pass
+
+
+@admin.register(Editor)
+class EditorAdmin(admin.ModelAdmin):
+    pass

manuels/migrations/0002_auto_20180522_0132.py

@@ -0,0 +1,30 @@
+# Generated by Django 2.0.5 on 2018-05-21 23:32
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('manuels', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Editor',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=50, verbose_name='nom')),
+            ],
+            options={
+                'verbose_name': 'éditeur',
+                'verbose_name_plural': 'éditeurs',
+            },
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='editor',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='manuels.Editor', verbose_name='éditeur'),
+        ),
+    ]

manuels/models.py

@@ -41,6 +41,16 @@ class Level(models.Model):
         return self.name
 
 
+class Editor(models.Model):
+    class Meta:
+        verbose_name = 'éditeur'
+        verbose_name_plural = 'éditeurs'
+    name = models.CharField('nom', max_length=50)
+
+    def __str__(self):
+        return self.name
+
+
 def isbn_validator(value):
     regex = re.compile(r'(\d-?){10,13}X?')
     if not regex.match(value):
@@ -57,7 +67,7 @@ class Book(models.Model):
     field = models.CharField('matière', max_length=100)
     title = models.TextField('titre')
     authors = models.TextField('auteurs')
-    editor = models.CharField('éditeur', max_length=200)
+    editor = models.ForeignKey(verbose_name='éditeur', to=Editor, on_delete=models.SET_NULL, null=True)
     collection = models.CharField('collection', max_length=200, blank=True)
     publication_year = models.PositiveIntegerField('année de publication')
     isbn = models.CharField('ISBN/EAN', max_length=20, validators=[isbn_validator])