major styling pass, artist list, and import processing improvements

app/main.py

@@ -14,7 +14,18 @@ main = Blueprint('main', __name__)
 
 @main.route('/')
 def index():
-    return render_template('index.html')
+    from random import choice
+    from app.models import ImageRecord
+
+    image = ImageRecord.query.order_by(func.random()).first()
+    background_url = None
+
+    if image:
+        filename = image.filepath.replace('/images/', '')
+        background_url = url_for('main.serve_image', filename=filename)
+
+    return render_template('index.html', background_url=background_url)
+
 
 @main.route('/gallery')
 @login_required
@@ -25,11 +36,12 @@ def gallery():
     ).limit(recent_images).all()
     return render_template('gallery.html', images=images)
 
-@main.route('/static/images/<path:filename>')
+@main.route('/images/<path:filename>')
 def serve_image(filename):
     return send_from_directory('/images', filename)
 
 @main.route('/artist/<artist_name>')
+@login_required
 def artist_gallery(artist_name):
     per_page=49
     page = request.args.get('page', 1, type=int)
@@ -38,6 +50,30 @@ def artist_gallery(artist_name):
     ).paginate(page=page, per_page=per_page)
     return render_template('artist_gallery.html', images=images, artist=artist_name)
 
+@main.route('/artists')
+@login_required
+def artist_list():
+    from app.models import ImageRecord
+    from sqlalchemy import func
+
+    # Define how many images to show per artist card
+    images_per_artist = 3  # Change this value to tweak
+
+    # Get all unique artist names
+    artists = db.session.query(ImageRecord.artist).distinct().all()
+    artist_data = []
+
+    for (artist,) in artists:
+        images = (
+            ImageRecord.query
+            .filter_by(artist=artist)
+            .order_by(ImageRecord.taken_at.desc().nullslast(), ImageRecord.imported_at.desc())
+            .limit(images_per_artist)
+            .all()
+        )
+        artist_data.append({'name': artist, 'images': images})
+
+    return render_template('artist_list.html', artist_data=artist_data, images_per_artist=images_per_artist)
 
 @main.route('/settings')
 @login_required
@@ -49,13 +85,9 @@ def settings():
 @main.route('/import-images')
 @login_required
 def trigger_image_import():
-    if not current_user.is_admin:
-        abort(403)
-    source_dir = '/import'
-    dest_dir = '/images'
-
-    result = import_images_task(source_dir, dest_dir)
-    flash(f"Image import completed: {result}")
+    with open('/import/trigger.flag', 'w') as f:
+        f.write('start')
+    flash("Image import triggered.")
     return redirect(url_for('main.settings'))
 
 @main.route('/reset-db', methods=['POST'])