feat: added ltipiitool model (openedx#32790)

* feat: added ltipiitool model

* feat: added ltipiitool model

* feat: created ltipiitool model

* chore: squashed ltipiitool mirgation files for agreements app.

* chore: fixed migration files

openedx/core/djangoapps/agreements/migrations/0002_ltipiitool.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.2.20 on 2023-08-01 14:06
+
+from django.db import migrations, models
+import opaque_keys.edx.django.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('agreements', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='LTIPIITool',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('course_key', opaque_keys.edx.django.models.CourseKeyField(db_index=True, max_length=255, unique=True)),
+                ('lti_tools', models.JSONField()),
+                ('lti_tools_hash', models.IntegerField()),
+            ],
+        ),
+    ]

openedx/core/djangoapps/agreements/models.py

@@ -22,3 +22,15 @@ class IntegritySignature(TimeStampedModel):
     class Meta:
         app_label = 'agreements'
         unique_together = ('user', 'course_key')
+
+
+class LTIPIITool(models.Model):
+    """
+    This model stores the relationship between a course and the LTI tools in the course that share PII.
+    """
+    course_key = CourseKeyField(max_length=255, unique=True, db_index=True)
+    lti_tools = models.JSONField()
+    lti_tools_hash = models.IntegerField()
+
+    class Meta:
+        app_label = 'agreements'