feat(calendar): add attachment support to events

Adds file attachment capability to NordaEvent model (attachment_filename,
attachment_path columns). Admin can upload PDF/DOCX when creating events.
Users see a download link on the event detail page.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

blueprints/admin/routes.py

@@ -957,6 +957,19 @@ def admin_calendar_new():
                 source='manual'
             )
 
+            # Handle file attachment
+            attachment = request.files.get('attachment')
+            if attachment and attachment.filename:
+                from werkzeug.utils import secure_filename
+                import uuid
+                filename = secure_filename(attachment.filename)
+                stored_name = f"{uuid.uuid4().hex}_{filename}"
+                upload_dir = os.path.join('static', 'uploads', 'events')
+                os.makedirs(upload_dir, exist_ok=True)
+                attachment.save(os.path.join(upload_dir, stored_name))
+                event.attachment_filename = filename
+                event.attachment_path = f"static/uploads/events/{stored_name}"
+
             db.add(event)
             db.commit()
 

database.py

@@ -2170,6 +2170,10 @@ class NordaEvent(Base):
     # Media
     image_url = Column(String(1000))  # Banner/header image URL
 
+    # Attachment
+    attachment_filename = Column(String(255))   # Original filename
+    attachment_path = Column(String(1000))      # Server path (static/uploads/events/...)
+
     # Relationships
     speaker_company = relationship('Company')
     creator = relationship('User', foreign_keys=[created_by])

database/migrations/085_event_attachments.sql

@@ -0,0 +1,6 @@
+-- Migration: 085_event_attachments.sql
+-- Description: Add attachment support to norda_events (filename + server path)
+-- Date: 2026-03-18
+
+ALTER TABLE norda_events ADD COLUMN IF NOT EXISTS attachment_filename VARCHAR(255);
+ALTER TABLE norda_events ADD COLUMN IF NOT EXISTS attachment_path VARCHAR(1000);

templates/calendar/admin_new.html

@@ -103,7 +103,7 @@
     </div>
 
     <div class="form-card">
-        <form method="POST" action="{{ url_for('admin.admin_calendar_new') }}">
+        <form method="POST" action="{{ url_for('admin.admin_calendar_new') }}" enctype="multipart/form-data">
             <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
 
             <div class="form-group">
@@ -183,6 +183,12 @@
                 </div>
             </div>
 
+            <div class="form-group">
+                <label for="attachment">Załącznik (PDF, DOCX)</label>
+                <input type="file" id="attachment" name="attachment" accept=".pdf,.docx,.doc">
+                <div class="form-hint">Opcjonalny plik do pobrania przez uczestników (np. zaproszenie, agenda)</div>
+            </div>
+
             <div class="form-actions">
                 <button type="submit" class="btn btn-primary">Utworz wydarzenie</button>
                 <a href="{{ url_for('admin.admin_calendar') }}" class="btn btn-secondary">Anuluj</a>

templates/calendar/event.html

@@ -508,6 +508,21 @@
     </div>
     {% endif %}
 
+    {% if event.attachment_filename %}
+    <div style="display: flex; align-items: center; gap: var(--spacing-md); padding: var(--spacing-lg); background: linear-gradient(135deg, #fef3c7, #fefce8); border: 1px solid #fde68a; border-radius: var(--radius-lg); margin-bottom: var(--spacing-xl);">
+        <svg width="24" height="24" fill="none" stroke="#92400e" stroke-width="2" viewBox="0 0 24 24" style="flex-shrink: 0;">
+            <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
+            <polyline points="14 2 14 8 20 8"></polyline>
+            <line x1="16" y1="13" x2="8" y2="13"></line>
+            <line x1="16" y1="17" x2="8" y2="17"></line>
+        </svg>
+        <div style="flex: 1;">
+            <div style="font-weight: 600; color: #92400e;">Załącznik</div>
+            <a href="{{ url_for('static', filename=event.attachment_path.replace('static/', '')) }}" target="_blank" style="color: #b45309; text-decoration: underline;">{{ event.attachment_filename }}</a>
+        </div>
+    </div>
+    {% endif %}
+
     {% if not event.is_past %}
         {% if event.can_user_attend(current_user) %}
         <div class="rsvp-section">