Working on Object Relationships

university/models.py

@@ -1,25 +1,27 @@
 from django.db import models
 from classes.models import Classes
 
+
+    
+# Create your models here.
+class University(models.Model):
+    name = models.CharField(max_length=200)
+
+    def __str__(self) -> str:
+        return self.name
+
+class Agreement(models.Model):
+    major = models.CharField(max_length=200)
+    university = models.ForeignKey(University, on_delete=models.CASCADE)
+
+    def __str__(self) -> str:
+        return self.major
+
 class Section(models.Model):
     area_name = models.CharField(max_length=200)
     number_of_required_courses = models.IntegerField()
     classes = models.ManyToManyField(Classes)
+    agreement = models.ForeignKey(Agreement, on_delete=models.CASCADE)
 
     def __str__(self) -> str:
-        return self.area_name
-
-class Agreement(models.Model):
-    major = models.CharField(max_length=200)
-    sections = models.ManyToManyField(Section)
-
-    def __str__(self) -> str:
-        return self.major
-
-# Create your models here.
-class University(models.Model):
-    name = models.CharField(max_length=200)
-    agreements = models.ManyToManyField(Agreement)
-
-    def __str__(self) -> str:
-        return self.name
+        return self.area_name