Populated Author and Books models

albertgagalac_reading/albertgagalac_reading/bookshelf/migrations/0002_rename_books_book.py

+# Generated by Django 4.1.7 on 2023-03-28 09:25
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookshelf", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name="Books",
+            new_name="Book",
+        ),
+    ]

albertgagalac_reading/albertgagalac_reading/bookshelf/migrations/0003_alter_book_blurb.py

+# Generated by Django 4.1.7 on 2023-03-28 10:32
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookshelf", "0002_rename_books_book"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="book",
+            name="blurb",
+            field=models.TextField(default="", max_length=700),
+        ),
+    ]

albertgagalac_reading/albertgagalac_reading/bookshelf/migrations/0004_alter_book_isbn.py

+# Generated by Django 4.1.7 on 2023-03-28 10:39
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookshelf", "0003_alter_book_blurb"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="book",
+            name="ISBN",
+            field=models.PositiveIntegerField(
+                validators=[
+                    django.core.validators.RegexValidator(
+                        "^[0-9]*$", message="Only numbers are allowed"
+                    ),
+                    django.core.validators.DecimalValidator(13, 0),
+                ]
+            ),
+        ),
+    ]

albertgagalac_reading/albertgagalac_reading/bookshelf/migrations/0005_alter_book_isbn.py

+# Generated by Django 4.1.7 on 2023-03-28 10:43
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookshelf", "0004_alter_book_isbn"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="book",
+            name="ISBN",
+            field=models.CharField(
+                max_length=13,
+                validators=[
+                    django.core.validators.RegexValidator(
+                        "^[0-9]*$", message="Only numbers are allowed"
+                    )
+                ],
+            ),
+        ),
+    ]

albertgagalac_reading/albertgagalac_reading/bookshelf/migrations/0006_alter_book_isbn.py

+# Generated by Django 4.1.7 on 2023-03-28 10:55
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookshelf", "0005_alter_book_isbn"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="book",
+            name="ISBN",
+            field=models.PositiveIntegerField(
+                max_length=13,
+                validators=[
+                    django.core.validators.RegexValidator(
+                        "^[0-9]*$", message="Only numbers are allowed"
+                    ),
+                    django.core.validators.MaxValueValidator(9999999999999),
+                ],
+            ),
+        ),
+    ]

albertgagalac_reading/albertgagalac_reading/bookshelf/migrations/0007_alter_book_isbn.py

+# Generated by Django 4.1.7 on 2023-03-28 10:56
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookshelf", "0006_alter_book_isbn"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="book",
+            name="ISBN",
+            field=models.PositiveIntegerField(
+                validators=[
+                    django.core.validators.RegexValidator(
+                        "^[0-9]*$", message="Only numbers are allowed"
+                    ),
+                    django.core.validators.MaxValueValidator(9999999999999),
+                ]
+            ),
+        ),
+    ]

albertgagalac_reading/albertgagalac_reading/bookshelf/migrations/0008_alter_book_isbn.py

+# Generated by Django 4.1.7 on 2023-03-28 10:58
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookshelf", "0007_alter_book_isbn"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="book",
+            name="ISBN",
+            field=models.PositiveIntegerField(
+                validators=[
+                    django.core.validators.RegexValidator(
+                        "^[0-9]*$", message="Only numbers are allowed"
+                    ),
+                    django.core.validators.MaxValueValidator(
+                        9999999999999, message="Ensure this value has 13 digits"
+                    ),
+                ]
+            ),
+        ),
+    ]

albertgagalac_reading/albertgagalac_reading/bookshelf/models.py

 from django.db import models
-from django.core.validators import RegexValidator, MinLengthValidator, MaxLengthValidator
+from django.core.validators import RegexValidator, MaxValueValidator
 
 # Create your models here.
 
@@ -22,10 +22,9 @@ class Book(models.Model):
     publisher = models.CharField(default="", max_length=100)
     ISBN = models.PositiveIntegerField(validators=
         [RegexValidator(r'^[0-9]*$', 
-        message='Only numbers are allowed'), 
-        MinLengthValidator(13), 
-        MaxLengthValidator(13)])
-    blurb = models.TextField(default="", max_length = 200)
+        message='Only numbers are allowed'),
+        MaxValueValidator(9999999999999, message="Ensure this value has 13 digits")])
+    blurb = models.TextField(default="", max_length = 700)
 
     def __str__(self):
         return '{}'.format(self.title)