add Assignable ISBN to book (#1626)

Author: mwvolo

books/migrations/0159_book_assignable_isbn_13.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.14 on 2025-05-19 14:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("books", "0158_alter_book_cover_color"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="book",
+            name="assignable_isbn_13",
+            field=models.CharField(blank=True, help_text="ISBN 13 for assignable version.", max_length=255, null=True),
+        ),
+    ]

books/models.py

@@ -655,6 +655,7 @@ def get_title_image_url(self):
     print_softcover_isbn_13 = models.CharField(max_length=255, blank=True, null=True,
                                                help_text='ISBN 13 for print version (black and white).')
     digital_isbn_13 = models.CharField(max_length=255, blank=True, null=True, help_text='ISBN 13 for digital version.')
+    assignable_isbn_13 = models.CharField(max_length=255, blank=True, null=True, help_text='ISBN 13 for assignable version.')
     ibook_isbn_13 = models.CharField(max_length=255, blank=True, null=True, help_text='ISBN 13 for iBook version.')
     ibook_volume_2_isbn_13 = models.CharField(max_length=255, blank=True, null=True,
                                               help_text='ISBN 13 for iBook v2 version.')