feat: add get_org_from_ccx_course_url function

tutoraspects/templates/aspects/apps/aspects/migrations/alembic/versions/0033_ccx_function.py

@@ -0,0 +1,27 @@
+"""
+Create the get_org_from_ccx_course_url function to support CCX courses
+"""
+from alembic import op
+
+
+revision = "0033"
+down_revision = "0032"
+branch_labels = None
+depends_on = None
+on_cluster = " ON CLUSTER '{{CLICKHOUSE_CLUSTER_NAME}}' " if "{{CLICKHOUSE_CLUSTER_NAME}}" else ""
+
+def upgrade():
+    op.execute(
+        f"""
+        CREATE OR REPLACE FUNCTION get_org_from_ccx_course_url {on_cluster}
+        AS (
+        course_url) ->
+           nullIf(EXTRACT(course_url, 'ccx-v1:([a-zA-Z0-9]*)'), '');
+
+        """
+    )
+
+
+
+def downgrade():
+    op.execute("DROP FUNCTION IF EXISTS get_org_from_ccx_course_url;")