edited Books class in models.py and admin.py

bellapanghulan_reading/bookshelf/admin.py

@@ -3,13 +3,13 @@ from .models import Author, Books
 # Register your models here.
 class AuthorAdmin(admin.ModelAdmin):
     model = Author
-    list_display = ('first_name', 'last_name', 'age', 'nationality', 'bio')
+    list_display = ('first_name', 'last_name', 'age', 'nationality',)
     search_fields = ['first_name', 'last_name',]
     list_filter = ('first_name', 'last_name',)
 
 class BooksAdmin(admin.ModelAdmin):
     model = Books
-    list_display = ('title', 'author', 'publisher', 'year_published', 'ISBN', 'blurb')
+    list_display = ('title', 'author', 'publisher', 'year_published', 'ISBN',)
     search_fields = ['title', 'author', 'publisher', 'ISBN']
     list_filter = ('author', 'publisher', 'year_published',)
 

bellapanghulan_reading/bookshelf/migrations/0002_alter_books_blurb_alter_books_year_published.py

+# Generated by Django 4.1.3 on 2023-03-27 07:23
+
+import bookshelf.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bookshelf', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='books',
+            name='blurb',
+            field=models.TextField(validators=[bookshelf.models.Books.validate_wordCount]),
+        ),
+        migrations.AlterField(
+            model_name='books',
+            name='year_published',
+            field=models.IntegerField(blank=True, null=True, validators=[bookshelf.models.Books.validate_year]),
+        ),
+    ]

bellapanghulan_reading/bookshelf/models.py

+from datetime import datetime
 from django.db import models
 from django.core.exceptions import ValidationError
-from django.core.validators import MinLengthValidator
 
 # Create your models here.
 class Author(models.Model):
@@ -17,16 +17,27 @@ class Books(models.Model):
     title = models.CharField(max_length = 100)
     author = models.ForeignKey(Author, on_delete = models.CASCADE)
     publisher = models.CharField(max_length = 100)
-    year_published = models.DateTimeField('date published')
     
+    def validate_year(value):
+        if value > int(datetime.now().strftime("%Y")) or value < 1000:
+            raise ValidationError('Please enter a valid year (e.g. 2023)')
+
     def validate_ISBN(value):
         if len(value) != 13:
             raise ValidationError('Must be exactly 13 digits.')
         if not value.isdigit():
             raise ValidationError('Must only be digits.')
+    
+    def validate_wordCount(value):
+        word_count = len(value.split())
+        if word_count < 100:
+            raise ValidationError('Word count is less than 100.')
+        if word_count > 200:
+            raise ValidationError('Word count is greater than 200.')
 
+    year_published = models.IntegerField(validators=[validate_year], blank=True, null=True)
     ISBN = models.CharField(max_length=13, validators=[validate_ISBN])
-    blurb = models.TextField(max_length = 200, validators=[MinLengthValidator(100)])
+    blurb = models.TextField(validators=[validate_wordCount])
     
     
     def __str__(self):