Fix email logo: resize/compress to small JPEG, make path configurable in settings, add Pillow

app.py

@@ -300,21 +300,45 @@ def send_email(to, subject, body, attachments=None, inline_images=None):
 
 
 def build_signature_images():
-    """Return inline image tuple list for the Dionysis Media logo if present."""
-    logo_path = Path('/mnt/Storage/DM-Logo.png')
-    if logo_path.exists():
-        return [(str(logo_path), 'dm-logo')]
+    """
+    Return inline image tuple list for the Dionysis Media logo if present.
+    The logo path is configurable via /admin/settings. A downscaled, compressed
+    email-sized JPEG copy is generated in the upload folder so attachments stay small.
+    :return: list of (path, cid) tuples. Empty if no logo is configured or not found.
+    """
+    cfg = load_booth_settings()
+    logo_path = cfg.get('logo_path') or '/mnt/Storage/DM-Logo.png'
+    logo_file = Path(logo_path)
+    if not logo_file.exists():
         return []
+    # Cache a small email-friendly JPEG inside the upload folder.
+    cache_dir = Path(current_app.config['UPLOAD_FOLDER'])
+    cache_dir.mkdir(parents=True, exist_ok=True)
+    email_logo = cache_dir / 'dm-logo.email.jpg'
+    try:
+        from PIL import Image
+        with Image.open(logo_file) as im:
+            im.thumbnail((600, 600))
+            if im.mode in ('RGBA', 'LA', 'P'):
+                # Composite transparent images onto a white background for JPEG.
+                background = Image.new('RGB', im.size, (255, 255, 255))
+                if im.mode == 'P':
+                    im = im.convert('RGBA')
+                background.paste(im, mask=im.split()[-1] if im.mode == 'RGBA' else None)
+                im = background
+            else:
+                im = im.convert('RGB')
+            im.save(email_logo, format='JPEG', optimize=True, quality=85)
+    except Exception:
+        # If resize fails, fall back to the original file.
+        return [(str(logo_file), 'dm-logo')]
+    return [(str(email_logo), 'dm-logo')]
+
 
 # ---------------------------------------------------------------------------
 # Public customer routes
 # ---------------------------------------------------------------------------
 
-@app.route('/')
-def index():
-    """Root route: redirect customers straight to the request form."""
-    return redirect(url_for('request_form'))
-
 
 @app.route('/request', methods=['GET', 'POST'])
 @limiter.limit("5 per minute")
@@ -688,6 +712,7 @@ def admin_settings():
         'smtp_user': runtime_settings.get('smtp_user', current_app.config['SMTP_USER']),
         'smtp_from': runtime_settings.get('smtp_from', current_app.config['SMTP_FROM']),
         'smtp_pass_set': bool(runtime_settings.get('smtp_pass', '')),
+        'logo_path': runtime_settings.get('logo_path', '/mnt/Storage/DM-Logo.png'),
     }
 
     # Compute upload folder stats.
@@ -798,6 +823,7 @@ def admin_settings():
             cfg['smtp_port'] = request.form.get('smtp_port', '').strip() or None
             cfg['smtp_user'] = request.form.get('smtp_user', '').strip() or None
             cfg['smtp_from'] = request.form.get('smtp_from', '').strip() or None
+            cfg['logo_path'] = request.form.get('logo_path', '').strip() or None
             new_pass = request.form.get('smtp_pass', '').strip()
             # Only overwrite the stored password if a new value was provided.
             if new_pass:

booth_settings.json

@@ -0,0 +1,3 @@
+{
+  "logo_path": "/mnt/Storage/DM-Logo.png"
+}

requirements.txt

@@ -15,3 +15,4 @@ werkzeug
 mutagen
 flask-limiter
 cryptography
+Pillow

templates/admin/settings.html

@@ -263,6 +263,10 @@
                 <input type="password" id="smtp_pass" name="smtp_pass" placeholder="{% if email_form.smtp_pass_set %}Stored encrypted — type to replace{% else %}Enter password{% endif %}">
               </td>
             </tr>
+            <tr>
+              <td>Logo Path</td>
+              <td><input type="text" id="logo_path" name="logo_path" value="{{ email_form.logo_path }}" placeholder="e.g. /mnt/Storage/DM-Logo.png"></td>
+            </tr>
           </table>
           <button type="submit">Save Email Settings</button>
         </form>