adding statistics page for admin

web/app.py

@@ -21,6 +21,7 @@ from web.db import (
     set_user_keywords,
     get_all_regions,
     get_all_keywords,
+    stats_overview,
     upsert_region,
     upsert_keyword,
     list_regions_full,
@@ -487,6 +488,34 @@ def admin_taxonomy():
     return render_template('admin/taxonomy.html', title='Taxonomy', regions=regions, keywords=keywords)
 
 
+@app.route('/admin/stats', methods=['GET'])
+def admin_stats():
+    if not require_admin():
+        return redirect(url_for('login'))
+    # Optional filters via query params
+    keyword = request.args.get('keyword')
+    region = request.args.get('region')
+    try:
+        stats = stats_overview()
+        # For detailed jobs table, reuse get_all_jobs() and filter
+        jobs = get_all_jobs()
+        if keyword:
+            jobs = [j for j in jobs if (j.get('keyword') or '') == keyword]
+        if region:
+            jobs = [j for j in jobs if (j.get('region') or '') == region]
+    except Exception as e:
+        flash(f'Error computing stats: {e}')
+        stats = {
+            'total_jobs': 0,
+            'total_keywords': 0,
+            'total_regions': 0,
+            'jobs_per_keyword': [],
+            'jobs_per_region': []
+        }
+        jobs = []
+    return render_template('admin/stats.html', title='Statistics', stats=stats, jobs=jobs, regions=get_all_regions(), keywords=get_all_keywords())
+
+
 def init():
     """Main function to run the Flask app."""
     # Ensure DB is initialized