Add API endpoint for stats

isic/stats/api.py

@@ -0,0 +1,14 @@
+from django.http.request import HttpRequest
+from ninja import Router
+
+from isic.stats.views import get_archive_stats
+
+stats_router = Router()
+
+
+@stats_router.get("/", response=dict, summary="Return ISIC Archive statistics.")
+def stats(request: HttpRequest):
+    archive_stats = get_archive_stats()
+
+    del archive_stats["engagement"]["30_day_sessions_per_country"]
+    return archive_stats

isic/stats/templates/stats/stats.html

@@ -40,7 +40,7 @@
     <canvas id="canvas" width="1200" height="400"></canvas>
   </div>
 
-  {{ sessions_last_30_days_per_country|json_script:"country_data" }}
+  {{ 30_day_sessions_per_country|json_script:"country_data" }}
 
   <script type="text/javascript">
     const country_values = JSON.parse(document.getElementById("country_data").textContent);

isic/stats/tests/test_api.py

@@ -0,0 +1,8 @@
+from django.urls.base import reverse
+import pytest
+
+
+@pytest.mark.django_db
+def test_api_stats(client):
+    r = client.get(reverse("api:stats"))
+    assert r.status_code == 200

isic/stats/views.py

@@ -2,70 +2,69 @@
 from django.shortcuts import render
 
 from isic.core.models import Collection, Image
-from isic.ingest.models import Contributor, ZipUpload
+from isic.ingest.models import ZipUpload
 from isic.stats.models import GaMetrics
-from isic.studies.models import Annotation, Markup, Response, Study
+from isic.studies.models import Annotation, Study
 
 
 def get_archive_stats():
     latest_ga_metrics = GaMetrics.objects.last()
 
     ctx = {
-        "annotations_count": Annotation.objects.count(),
-        "collections_count": Collection.objects.count(),
-        "contributors_count": Contributor.objects.count(),
-        "images_count": Image.objects.count(),
-        "markups_count": Markup.objects.count(),
-        "public_images_count": Image.objects.public().count(),
-        "public_studies_count": Study.objects.public().count(),
-        "responses_count": Response.objects.count(),
-        "studies_count": Study.objects.count(),
-        "annotated_images_count": Annotation.objects.values("image").distinct().count(),
-        # TODO: keep?
-        "uploaders_count": ZipUpload.objects.values("creator").distinct().count(),
-        "annotating_users_count": Annotation.objects.values("annotator").distinct().count(),
-        "total_users_count": User.objects.count(),
+        "image": {
+            "images_count": Image.objects.count(),
+            "public_images_count": Image.objects.public().count(),
+            "annotated_images_count": Annotation.objects.values("image").distinct().count(),
+        },
+        "collection": {
+            "collections_count": Collection.objects.count(),
+            "public_collections_count": Collection.objects.public().count(),
+        },
+        "study": {
+            "studies_count": Study.objects.count(),
+            "public_studies_count": Study.objects.public().count(),
+            "study_annotations_count": Annotation.objects.count(),
+        },
+        "user": {
+            "users_count": User.objects.count(),
+            "uploading_users_count": ZipUpload.objects.values("creator").distinct().count(),
+            "annotating_users_count": Annotation.objects.values("annotator").distinct().count(),
+        },
+        "engagement": {
+            "30_day_sessions_count": latest_ga_metrics.num_sessions if latest_ga_metrics else 0,
+            "30_day_sessions_per_country": (
+                latest_ga_metrics.sessions_per_country if latest_ga_metrics else []
+            ),
+        },
     }
 
-    if latest_ga_metrics:
-        ctx["sessions_last_30_days_count"] = latest_ga_metrics.num_sessions
-        ctx["sessions_last_30_days_per_country"] = latest_ga_metrics.sessions_per_country
-    else:
-        ctx["sessions_last_30_days_count"] = 0
-        ctx["sessions_last_30_days_per_country"] = []
-
     return ctx
 
 
 def stats(request):
     archive_stats = get_archive_stats()
     ctx = {
-        "sessions_last_30_days_per_country": archive_stats["sessions_last_30_days_per_country"],
+        "30_day_sessions_per_country": archive_stats["engagement"]["30_day_sessions_per_country"],
         "stats": [
             [
-                ("Users", archive_stats["total_users_count"]),
-                ("Sessions (Last 30 days)", archive_stats["sessions_last_30_days_count"]),
-                ("Annotating Users", archive_stats["annotating_users_count"]),
-            ],
-            [
-                ("Contributing Institutions", archive_stats["contributors_count"]),
-                ("", ""),
-                ("Collections", archive_stats["collections_count"]),
+                ("Users", archive_stats["user"]["users_count"]),
+                ("Sessions (Last 30 days)", archive_stats["engagement"]["30_day_sessions_count"]),
+                ("Collections", archive_stats["collection"]["collections_count"]),
             ],
             [
-                ("Images", archive_stats["images_count"]),
-                ("Public Images", archive_stats["public_images_count"]),
-                ("Annotated Images", archive_stats["annotated_images_count"]),
+                ("Uploading Users", archive_stats["user"]["uploading_users_count"]),
+                ("Public Collections", archive_stats["collection"]["public_collections_count"]),
+                ("Annotating Users", archive_stats["user"]["annotating_users_count"]),
             ],
             [
-                ("Studies", archive_stats["studies_count"]),
-                ("Public Studies", archive_stats["public_studies_count"]),
-                ("", ""),
+                ("Images", archive_stats["image"]["images_count"]),
+                ("Public Images", archive_stats["image"]["public_images_count"]),
+                ("Annotated Images", archive_stats["image"]["annotated_images_count"]),
             ],
             [
-                ("Annotations", archive_stats["annotations_count"]),
-                ("Markups", archive_stats["markups_count"]),
-                ("Responses", archive_stats["responses_count"]),
+                ("Studies", archive_stats["study"]["studies_count"]),
+                ("Public Studies", archive_stats["study"]["public_studies_count"]),
+                ("Annotations", archive_stats["study"]["study_annotations_count"]),
             ],
         ],
     }

isic/urls.py

@@ -22,6 +22,7 @@
     lesion_router,
     metadata_file_router,
 )
+from isic.stats.api import stats_router
 from isic.studies.api import annotation_router, study_router, study_task_router
 from isic.zip_download.api import zip_router
 
@@ -46,6 +47,7 @@
 api.add_router("/lesions/", lesion_router, tags=["lesions"])
 api.add_router("/metadata-files/", metadata_file_router, tags=["metadata-files"])
 api.add_router("/quickfind/", quickfind_router, tags=["quickfind"])
+api.add_router("/stats/", stats_router, tags=["stats"])
 api.add_router("/studies/", study_router, tags=["studies"])
 api.add_router("/study-tasks/", study_task_router, tags=["study-tasks"])
 api.add_router("/users/", user_router, tags=["users"])