Add sort dropdown for admin geo stats (minutes vs listeners)

- Add dropdown to admin template to choose sort order
- Update get-geo-stats to accept order-by parameter
- Update API endpoint to pass sort-by parameter
- Update ParenScript to read dropdown and pass to API
- Default sort is by minutes (engagement time)

asteroid.lisp

@@ -1403,10 +1403,11 @@
                                           ("avg_session_minutes" . ,(sixth row))))
                                       stats))))))
 
-(define-api asteroid/stats/geo (&optional (days "7")) ()
-  "Get geographic distribution of listeners (admin only)"
+(define-api asteroid/stats/geo (&optional (days "7") (sort-by "minutes")) ()
+  "Get geographic distribution of listeners (admin only).
+   SORT-BY can be 'minutes' (default) or 'listeners'."
   (require-role :admin)
-  (let ((stats (get-geo-stats (parse-integer days :junk-allowed t))))
+  (let ((stats (get-geo-stats (parse-integer days :junk-allowed t) sort-by)))
     (api-output `(("status" . "success")
                   ("geo" . ,(mapcar (lambda (row)
                                       `(("country_code" . ,(first row))

listener-stats.lisp

@@ -369,17 +369,21 @@
       (log:error "Failed to get daily stats: ~a" e)
       nil)))
 
-(defun get-geo-stats (&optional (days 7))
-  "Get geographic distribution for the last N days"
+(defun get-geo-stats (&optional (days 7) (order-by "minutes"))
+  "Get geographic distribution for the last N days.
+   ORDER-BY can be 'minutes' (default) or 'listeners'."
   (handler-case
       (with-db
+        (let ((order-column (if (string= order-by "listeners")
+                                "total_listeners"
+                                "total_minutes")))
           (postmodern:query
            (format nil "SELECT country_code, SUM(listener_count) as total_listeners, SUM(listen_minutes) as total_minutes
           FROM listener_geo_stats
           WHERE date > NOW() - INTERVAL '~a days'
           GROUP BY country_code
-          ORDER BY total_listeners DESC
-          LIMIT 20" days)))
+          ORDER BY ~a DESC
+          LIMIT 20" days order-column))))
     (error (e)
       (log:error "Failed to get geo stats: ~a" e)
       nil)))

parenscript/admin.lisp

@@ -970,8 +970,10 @@
     
     ;; Refresh geo stats from API
     (defun refresh-geo-stats ()
+      (let* ((sort-select (ps:chain document (get-element-by-id "geo-sort-by")))
+             (sort-by (if sort-select (ps:@ sort-select value) "minutes")))
         (ps:chain
-       (fetch "/api/asteroid/stats/geo?days=7")
+         (fetch (+ "/api/asteroid/stats/geo?days=7&sort-by=" sort-by))
        (then (lambda (response) (ps:chain response (json))))
        (then (lambda (result)
                (let ((data (or (ps:@ result data) result))
@@ -1009,7 +1011,7 @@
                 (let ((tbody (ps:chain document (get-element-by-id "geo-stats-body"))))
                   (when tbody
                     (setf (ps:@ tbody inner-h-t-m-l)
-                          "<tr><td colspan=\"3\" style=\"color: #ff6666;\">Error loading geo data</td></tr>")))))))
+                          "<tr><td colspan=\"3\" style=\"color: #ff6666;\">Error loading geo data</td></tr>"))))))))
     
     ;; Toggle city display for a country
     (defun toggle-country-cities (country)

template/admin.ctml

@@ -86,6 +86,13 @@
       
       <!-- Geo Stats -->
       <h3 style="margin-top: 20px;">🌍 Listener Locations (Last 7 Days)</h3>
+      <div style="margin-bottom: 10px;">
+        <label for="geo-sort-by">Sort by: </label>
+        <select id="geo-sort-by" class="sort-select" onchange="refreshGeoStats()">
+          <option value="minutes" selected>Minutes Listened</option>
+          <option value="listeners">Unique Listeners</option>
+        </select>
+      </div>
       <div id="geo-stats-container">
         <table class="listener-stats-table" id="geo-stats-table">
           <thead>