check if a contributor has signed latest agreement

Author: SalmanAsh

api/views/check_agreement_signature.py

@@ -0,0 +1,70 @@
+"""
+© Ocado Group
+Created on 15/07/2024 at 12:52:50(+01:00).
+"""
+
+from typing import Dict
+
+import requests
+
+# from codeforlife.request import Request
+from codeforlife.response import Response
+
+# from codeforlife.user.models import User
+from codeforlife.views import ModelViewSet
+
+# from django.http import HttpResponse
+from rest_framework import status
+
+from ..models import AgreementSignature, Contributor
+
+
+class CheckAgreementSignatureViewSet(ModelViewSet):
+    """
+    An endpoint to check if a contributor has signed latest agreement,
+    return OKAY if he has otherwise return the latest commit ID.
+    """
+
+    def get(self, request):
+        """
+        Get the latest commit id and compare with contributor's
+        agreement signature.
+        """
+        # Repo information
+        github_id = 118008817  # TODO: Change later
+        owner = "ocadotechnology"
+        repo = "codeforlife-workshop"
+        file_name = "CONTRIBUTING.md"
+
+        params: Dict[str, str]
+        params = {"path": file_name, "per_page": 1}
+
+        url = f"https://api.github.com/repos/{owner}/{repo}/commits"
+
+        # Send an API request
+        response = requests.get(url, params=params, timeout=10)
+
+        # Check the result of the API call
+        if response.status_code == 200:
+            latest_commit_id = response.json()[0]["sha"]
+        else:
+            return Response(
+                status=status.HTTP_451_UNAVAILABLE_FOR_LEGAL_REASONS
+            )
+
+        # Retrieve contributor
+        contributor = Contributor.objects.get(id=github_id)
+        if not contributor:
+            return Response(status=status.HTTP_404_NOT_FOUND)
+
+        # Retrieve signature agreement IDs
+        signatures = AgreementSignature.objects.filter(contributor=contributor)
+        latest_signature = signatures.order_by("-signed_by").first()
+        if not latest_signature:
+            return Response(status=status.HTTP_404_NOT_FOUND)
+
+        # Compare agreement IDs
+        if latest_commit_id == latest_signature.agreement_id:
+            return Response(status=status.HTTP_200_OK)
+
+        return Response(status=status.HTTP_451_UNAVAILABLE_FOR_LEGAL_REASONS)