Built Author and Books models in bookshelf app

carlosoarde_reading/bookshelf/models.py

 from django.db import models
 
-# Create your models here.
+class Author(models.Model):
+        first_name = models.CharField(max_length=300, default="")
+        last_name = models.CharField(max_length=300, default="")
+        age = models.IntegerField(default="")
+        nationality = models.CharField(max_length=300, default="")
+        bio = models.CharField(max_length=700, default="")
+
+        def __str__(self):
+                return '{} {}'.format(self.first_name, self.last_name)
+        
+class Books(models.Model):
+        title = models.CharField(max_length=300, default="")
+        author = models.ForeignKey(Author, on_delete=models.CASCADE)
+        publisher = models.CharField(max_length=300, default="")
+        year_published = models.DateField(null=True, default="")
+        ISBN = models.IntegerField(max_length=13, unique=True, null=True, default="")
+        blurb = models.TextField()
+
+        def __str__(self):
+                return "\'{}\' by {}, {}".format(self.title, self.author.last_name, self.author.first_name)