Re-connect a slimmed down page-load metrics to fix filtering out non-…

…logged in users in product metrics.

backend/src/appointment/database/schemas.py

@@ -482,17 +482,17 @@ class Config:
 
 
 class PageLoadIn(BaseModel):
-    browser: Optional[str]
-    browser_version: Optional[str]
-    os: Optional[str]
-    os_version: Optional[str]
-    device: Optional[str]
-    device_model: Optional[str]
-    resolution: Optional[str]
-    effective_resolution: Optional[str]
-    user_agent: Optional[str]
-    locale: Optional[str]
-    theme: Optional[str]
+    browser: Optional[str] = None
+    browser_version: Optional[str] = None
+    os: Optional[str] = None
+    os_version: Optional[str] = None
+    device: Optional[str] = None
+    device_model: Optional[str] = None
+    resolution: Optional[str] = None
+    effective_resolution: Optional[str] = None
+    user_agent: Optional[str] = None
+    locale: Optional[str] = None
+    theme: Optional[str] = None
 
 
 class FTUEStepIn(BaseModel):

backend/src/appointment/routes/metrics.py

@@ -21,6 +21,36 @@ def get_api_path(request: Request):
     return f'/api/v1{request.url.path}'
 
 
+@router.post('/get-id')
+async def get_id(
+    request: Request,
+    data: schemas.PageLoadIn,
+    posthog: Posthog | None = Depends(get_posthog),
+    subscriber: Subscriber | None = Depends(get_subscriber_or_none),
+):
+    if posthog is None:
+        return False
+
+    if not subscriber:
+        anon_id = '-'.join([request.client.host, data.browser_version, data.os_version])
+
+        hash_instance = hashlib.sha256()
+        hash_instance.update(anon_id.encode('utf-8'))
+        distinct_id = f'anon-{hash_instance.hexdigest()}'
+    else:
+        distinct_id = subscriber.unique_hash
+
+    # Set a display id
+    posthog.set(distinct_id=distinct_id, properties={
+        'display_id': distinct_id
+    })
+    posthog.set_once(distinct_id=distinct_id, properties={
+        'initial_service': APP_NAME_SHORT
+    })
+
+    return {'id': distinct_id}
+
+
 @router.post('/page-load')
 def page_load(
     request: Request,

frontend/src/App.vue

@@ -181,6 +181,18 @@ const onPageLoad = async () => {
   const { data } = response;
   return data.value?.id ?? false;
    */
+
+  // Only used for non-subscribers
+  const parser = new UAParser(navigator.userAgent);
+  const browser = parser.getBrowser();
+  const os = parser.getOS();
+
+  const response = await call('metrics/get-id').post({
+    browser_version: `${browser.name}:${browser.version}`,
+    os_version: `${os.name}:${os.version}`,
+  }).json();
+  const { data } = response;
+  return data.value?.id ?? false;
 };
 
 // provide refresh functions for components
@@ -276,9 +288,12 @@ onMounted(async () => {
       service: 'apmt',
     });
 
+    const id = await onPageLoad();
     if (isAuthenticated.value) {
       const profile = useUserStore();
       posthog.identify(profile.data.uniqueHash);
+    } else if (id) {
+      posthog.identify(id);
     }
   }
 });