Fix: Expose endpoint with version/hash

pokemon_v2/api.py

@@ -1,4 +1,5 @@
 import re
+import subprocess
 from rest_framework import viewsets
 from rest_framework.response import Response
 from rest_framework.views import APIView
@@ -1058,3 +1059,62 @@ def get(self, request, pokemon_id):
             )
 
         return Response(encounters_list)
+
+
+@extend_schema(
+    description="Returns metadata about the current deployed version of the API, including the git commit hash, deploy date, and tag (if any).",
+    tags=["utility"],
+    responses={
+        200: {
+            "type": "object",
+            "properties": {
+                "deploy_date": {"type": "string", "nullable": True},
+                "hash": {"type": "string", "nullable": True},
+                "tag": {"type": "string", "nullable": True},
+            },
+        }
+    },
+)
+class APIMetaView(APIView):
+    def get(self, request):
+        try:
+            git_hash = (
+                subprocess.check_output(
+                    ["git", "rev-parse", "HEAD"], stderr=subprocess.DEVNULL
+                )
+                .decode()
+                .strip()
+            )
+        except Exception:
+            git_hash = None
+
+        try:
+            deploy_date = (
+                subprocess.check_output(
+                    ["git", "log", "-1", "--format=%cI"], stderr=subprocess.DEVNULL
+                )
+                .decode()
+                .strip()
+            )
+        except Exception:
+            deploy_date = None
+
+        try:
+            tag_output = (
+                subprocess.check_output(
+                    ["git", "tag", "--points-at", "HEAD"], stderr=subprocess.DEVNULL
+                )
+                .decode()
+                .strip()
+            )
+            tag = tag_output if tag_output else None
+        except Exception:
+            tag = None
+
+        return Response(
+            {
+                "deploy_date": deploy_date,
+                "hash": git_hash,
+                "tag": tag,
+            }
+        )

pokemon_v2/tests.py

@@ -5855,3 +5855,11 @@ def test_case_insensitive_api(self):
         self.assertEqual(uppercase_response.status_code, status.HTTP_200_OK)
 
         self.assertEqual(lowercase_response.data, uppercase_response.data)
+
+    # Meta Tests
+    def test_meta_api(self):
+        response = self.client.get("{}/meta".format(API_V2))
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn("deploy_date", response.data)
+        self.assertIn("hash", response.data)
+        self.assertIn("tag", response.data)

pokemon_v2/urls.py

@@ -76,4 +76,5 @@
         PokemonEncounterView.as_view(),
         name="pokemon_encounters",
     ),
+    path("api/v2/meta", APIMetaView.as_view(), name="api_meta"),
 ]