from django.shortcuts import render, redirect from django.contrib import messages from django.db.models import Q from rest_framework import viewsets from rest_framework.decorators import action from .. models import TransferOrder from .base import DummySerializer def format_file_size(bytes_size): """Convert bytes to human readable format (KB, MB, GB, TB)""" if bytes_size == 0 or bytes_size is None: return "0 B" size_units = ['B', 'KB', 'MB', 'GB', 'TB'] size = float(bytes_size) unit_index = 0 while size >= 1024 and unit_index < len(size_units) - 1: size /= 1024 unit_index += 1 return f"{size:.2f} {size_units[unit_index]}" class ClientOrderStatusViewSet(viewsets.ModelViewSet): """Handles displaying order status and details to clients""" serializer_class = DummySerializer @action(detail=False, methods=['get']) # url_path=r'status/(?P[^/.]+)' def order_status(self, request, order_id=None): """Display comprehensive order status and details to client""" base_domain = request.build_absolute_uri('/') user = request.user if not user.is_authenticated: return redirect(f'{base_domain}login/') try: # Check if user is admin - can view any order if user.is_staff: order = TransferOrder.objects.get(order_number=order_id) else: # Regular user - can only view their own orders order = TransferOrder.objects.get( order_number=order_id, user=user ) # Prepare order context with all required information context = { 'base_domain': base_domain, 'user': user, 'order': order, 'order_details': self._get_order_details(order), 'status_info': self._get_status_information(order), 'progress_data': self._get_progress_data(order), 'timeline_events': self._get_timeline_events(order), 'file_details': self._get_file_details(order), # Add file details 'file_summary': self._get_file_summary(order), # Add file summary 'is_admin': user.is_staff, # Add admin flag 'status_choices': TransferOrder.STATUS_CHOICES if user.is_staff else None # Add status choices for admin } return render(request, 'client_detailed_order_status.html', context) except TransferOrder.DoesNotExist: messages.error(request, "Order not found or you don't have permission to view this order.") print("ERROR OCCURRED HERE") return redirect(f'{base_domain}transfer/orders/') except Exception as e: print(f"Error retrieving order: {e}") messages.error(request, "An error occurred while retrieving order details.") return redirect(f'{base_domain}transfer/orders/') def _get_order_details(self, order): """Extract and format comprehensive order details""" total_size_bytes = float(order.total_size) * (1024 ** 3) return { 'order_id': order.display_id, 'cloud_service': self._get_cloud_service_display(order.cloud_source), 'storage_device': self._get_storage_device_display(order), 'total_file_size': format_file_size(total_size_bytes), # Convert GB to bytes for formatting 'file_count': order.total_files, 'payment_currency': order.payment_currency, 'payment_status': self._get_payment_status(order), 'payment_amount': f"{order.payment_amount} {order.payment_currency}", 'download_status': self._get_download_status(order), 'shipping_address': order.shipping_address or "Not provided yet", 'created_date': order.created_at, 'last_updated': order.updated_at } def _get_status_information(self, order): """Get detailed status information with user-friendly messages""" status_messages = { 'cloud_connected': { 'title': 'Cloud Connected', 'message': 'Your cloud storage has been successfully connected.', 'icon': 'fas fa-cloud-check', 'color': 'text-blue-600', 'bg_color': 'bg-blue-50' }, 'files_selected': { 'title': 'Files Selected', 'message': f'You have selected {order.total_files} files totaling {order.total_size} GB.', 'icon': 'fas fa-file-check', 'color': 'text-green-600', 'bg_color': 'bg-green-50' }, 'storage_selected': { 'title': 'Storage Selected', 'message': f'{order.get_storage_type_display()} selected for your files.', 'icon': 'fas fa-hdd', 'color': 'text-purple-600', 'bg_color': 'bg-purple-50' }, 'payment_completed': { 'title': 'Payment Completed', 'message': f'Payment of {order.payment_amount} {order.payment_currency} has been processed successfully.', 'icon': 'fas fa-check-circle', 'color': 'text-green-600', 'bg_color': 'bg-green-50' }, 'payment_pending': { 'title': 'Payment Pending', 'message': 'Waiting for payment confirmation.', 'icon': 'fas fa-clock', 'color': 'text-yellow-600', 'bg_color': 'bg-yellow-50' }, 'download_in_progress': { 'title': 'Download in Progress', 'message': order.download_status or 'Your files are being downloaded from cloud storage.', 'icon': 'fas fa-download', 'color': 'text-blue-600', 'bg_color': 'bg-blue-50' }, 'download_completed': { 'title': 'Download Completed', 'message': f'All files downloaded successfully on {order.download_completed_at}.', 'icon': 'fas fa-check-double', 'color': 'text-green-600', 'bg_color': 'bg-green-50' }, 'download_failed': { 'title': 'Download Failed', 'message': order.download_status or 'There was an issue downloading your files. Our team has been notified.', 'icon': 'fas fa-exclamation-triangle', 'color': 'text-red-600', 'bg_color': 'bg-red-50' }, 'download_partial': { 'title': 'Partial Download', 'message': order.download_status or 'Some files were downloaded successfully, but others failed.', 'icon': 'fas fa-exclamation-circle', 'color': 'text-orange-600', 'bg_color': 'bg-orange-50' }, 'processing': { 'title': 'Processing Files', 'message': 'Your files are being processed and prepared for storage.', 'icon': 'fas fa-cogs', 'color': 'text-indigo-600', 'bg_color': 'bg-indigo-50' }, 'shipped': { 'title': 'Order Shipped', 'message': 'Your storage device has been shipped and is on its way to you.', 'icon': 'fas fa-shipping-fast', 'color': 'text-teal-600', 'bg_color': 'bg-teal-50' }, 'delivered': { 'title': 'Delivered', 'message': 'Your storage device has been delivered to your shipping address.', 'icon': 'fas fa-box-open', 'color': 'text-green-600', 'bg_color': 'bg-green-50' }, 'completed': { 'title': 'Order Completed', 'message': 'Your order has been successfully completed.', 'icon': 'fas fa-flag-checkered', 'color': 'text-green-600', 'bg_color': 'bg-green-50' }, 'cancelled': { 'title': 'Order Cancelled', 'message': 'This order has been cancelled.', 'icon': 'fas fa-ban', 'color': 'text-red-600', 'bg_color': 'bg-red-50' } } return status_messages.get(order.status, { 'title': order.get_status_display(), 'message': 'Your order is being processed.', 'icon': 'fas fa-info-circle', 'color': 'text-gray-600', 'bg_color': 'bg-gray-50' }) def _get_progress_data(self, order): """Calculate progress through order workflow with proper status mapping""" # Define the progress steps in order progress_steps = [ 'cloud_connected', 'files_selected', 'storage_selected', 'payment_completed', 'download_completed', 'processing', 'shipped', 'delivered', 'completed' ] # Map all possible statuses to their progress level status_to_step = { 'cloud_connected': 0, 'files_selected': 1, 'storage_selected': 2, 'payment_pending': 2, # Same as storage_selected 'payment_completed': 3, 'download_queued': 3, # Same as payment_completed 'download_in_progress': 3, 'download_completed': 4, 'download_failed': 3, # Back to payment_completed level 'download_partial': 3, # Back to payment_completed level 'processing': 5, 'shipped': 6, 'delivered': 7, 'completed': 8, 'cancelled': 0 # Or handle separately } # Get current step index current_step_index = status_to_step.get(order.status, 0) # Create steps list with names steps_with_names = [] step_names = { 'cloud_connected': 'Cloud Connected', 'files_selected': 'Files Selected', 'storage_selected': 'Storage Selected', 'payment_completed': 'Payment Completed', 'download_completed': 'Files Downloaded', 'processing': 'Processing', 'shipped': 'Shipped', 'delivered': 'Delivered', 'completed': 'Completed' } for step_status in progress_steps: steps_with_names.append({ 'name': step_names[step_status], 'status': step_status }) # Calculate progress percentage progress_percentage = int((current_step_index / (len(progress_steps) - 1)) * 100) if len(progress_steps) > 1 else 0 return { 'current_step': current_step_index, 'total_steps': len(progress_steps), 'percentage': progress_percentage, 'steps': steps_with_names, 'current_step_name': steps_with_names[current_step_index]['name'] if current_step_index < len(steps_with_names) else 'Processing' } def _get_timeline_events(self, order): """Generate comprehensive timeline of all order events""" timeline = [] # Format file size helper def format_size(bytes_size): if bytes_size == 0 or bytes_size is None: return "0 GB" size = float(bytes_size) * (1024 ** 3) if bytes_size < 1000 else float(bytes_size) if size < 1024: return f"{size:.2f} B" elif size < 1024 * 1024: return f"{size/1024:.2f} KB" elif size < 1024 * 1024 * 1024: return f"{size/(1024*1024):.2f} MB" else: return f"{size/(1024*1024*1024):.2f} GB" total_size_display = format_size(float(order.total_size)) # 1. Order Created timeline.append({ 'date': order.created_at, 'title': 'Order Created', 'description': f'Order {order.display_id} was created successfully.', 'icon': 'fa-shopping-cart', 'status': 'completed' }) # 2. Cloud Connected if order.status in ['cloud_connected', 'files_selected', 'storage_selected', 'payment_completed', 'payment_pending', 'download_in_progress', 'download_completed', 'download_failed', 'download_partial', 'processing', 'shipped', 'delivered', 'completed']: timeline.append({ 'date': order.created_at or order.updated_at, 'title': 'Cloud Storage Connected', 'description': f'{self._get_cloud_service_display(order.cloud_source)} was successfully connected to your account.', 'icon': 'fa-cloud', 'status': 'completed' }) # 3. Files Selected if order.status in ['files_selected', 'storage_selected', 'payment_completed', 'payment_pending', 'download_in_progress', 'download_completed', 'download_failed', 'download_partial', 'processing', 'shipped', 'delivered', 'completed'] and order.total_files > 0: timeline.append({ 'date': order.updated_at, 'title': 'Files Selected', 'description': f'{order.total_files} files ({total_size_display}) were selected for transfer.', 'icon': 'fa-file-import', 'status': 'completed' }) # 4. Storage Device Selected if order.status in ['storage_selected', 'payment_completed', 'payment_pending', 'download_in_progress', 'download_completed', 'download_failed', 'download_partial', 'processing', 'shipped', 'delivered', 'completed'] and order.storage_type: storage_display = dict(TransferOrder.STORAGE_CHOICES).get(order.storage_type, order.storage_type) timeline.append({ 'date': order.updated_at, 'title': 'Storage Device Selected', 'description': f'{storage_display} ({order.storage_size}) was selected for your files.', 'icon': 'fa-hdd', 'status': 'completed' }) # 5. Payment Status Events if order.status == 'payment_pending': timeline.append({ 'date': order.updated_at, 'title': 'Payment Pending', 'description': f'Payment of {order.payment_amount} {order.payment_currency} is awaiting confirmation.', 'icon': 'fa-clock', 'status': 'pending' }) if order.status in ['payment_completed', 'download_in_progress', 'download_completed', 'download_failed', 'download_partial', 'processing', 'shipped', 'delivered', 'completed'] and order.payment_amount > 0: timeline.append({ 'date': order.updated_at, 'title': 'Payment Completed', 'description': f'Payment of {order.payment_amount} {order.payment_currency} was successfully processed.', 'icon': 'fa-credit-card', 'status': 'completed' }) # 6. Download Events if order.download_started_at: timeline.append({ 'date': order.download_started_at, 'title': 'Document References Prepared', 'description': f'References to {order.total_files} files from {self._get_cloud_service_display(order.cloud_source)} have been successfully identified and queued for processing.', 'icon': 'fa-download', 'status': 'in_progress' }) if order.download_completed_at: timeline.append({ 'date': order.download_completed_at, 'title': 'File Reference Verification Completed', 'description': f'The system successfully finalized and verified references for {order.total_files} files with a total processed size of {total_size_display}.', 'icon': 'fa-check-circle', 'status': 'completed' }) # 7. Download Failed/Partial Events if order.status == 'download_failed': timeline.append({ 'date': order.updated_at, 'title': 'Download Failed', 'description': order.download_status or 'The download process encountered an error. Our team has been notified.', 'icon': 'fa-exclamation-triangle', 'status': 'failed' }) if order.status == 'download_partial': downloaded_count = order.total_downloaded_files timeline.append({ 'date': order.updated_at, 'title': 'Partial Download Completed', 'description': f'{downloaded_count} out of {order.total_files_count} files were downloaded successfully.', 'icon': 'fa-exclamation-circle', 'status': 'warning' }) # 8. Processing Events if order.status == 'processing': timeline.append({ 'date': order.updated_at, 'title': 'Processing Files', 'description': 'Your files are being processed and prepared for transfer to storage device.', 'icon': 'fa-cogs', 'status': 'in_progress' }) # 9. Shipping Events if order.status == 'shipped': timeline.append({ 'date': order.updated_at, 'title': 'Order Shipped', 'description': 'Your storage device has been shipped to your address.', 'icon': 'fa-shipping-fast', 'status': 'completed' }) # 10. Delivered Event if order.status == 'delivered': timeline.append({ 'date': order.updated_at, 'title': 'Order Delivered', 'description': 'Your storage device has been delivered to your shipping address.', 'icon': 'fa-box-open', 'status': 'completed' }) # 11. Completed Event if order.status == 'completed': timeline.append({ 'date': order.updated_at, 'title': 'Order Completed', 'description': 'Your order has been successfully completed. Thank you for using CloudTransfer!', 'icon': 'fa-flag-checkered', 'status': 'completed' }) # 12. Cancelled Event if order.status == 'cancelled': timeline.append({ 'date': order.updated_at, 'title': 'Order Cancelled', 'description': 'This order has been cancelled.', 'icon': 'fa-ban', 'status': 'cancelled' }) # Add retry events if any if order.retry_count > 0: timeline.append({ 'date': order.updated_at, 'title': f'Download Retry #{order.retry_count}', 'description': f'The download process was automatically retried {order.retry_count} time(s).', 'icon': 'fa-sync-alt', 'status': 'warning' }) # Remove duplicate events (keep the most recent of similar events) unique_timeline = [] seen_titles = set() for event in reversed(timeline): # Reverse to keep most recent if event['title'] not in seen_titles: seen_titles.add(event['title']) unique_timeline.append(event) # Reverse back to chronological order unique_timeline.reverse() # Sort by date unique_timeline.sort(key=lambda x: x['date']) return unique_timeline def _get_cloud_service_display(self, cloud_source): """Get user-friendly cloud service name""" cloud_services = { 'google_drive': 'Google Drive', 'dropbox': 'Dropbox', 'onedrive': 'OneDrive' } return cloud_services.get(cloud_source, cloud_source) def _get_storage_device_display(self, order): """Get user-friendly storage device name""" if order.storage_type: storage_devices = { 'flash_drive': f'USB Flash Drive ({order.storage_size})', 'memory_card': f'Memory Card ({order.storage_size})', 'external_hdd': f'External Hard Drive ({order.storage_size})' } return storage_devices.get(order.storage_type, order.get_storage_type_display()) return "Not selected yet" def _get_payment_status(self, order): """Determine payment status based on order status""" if order.status in ['payment_completed', 'download_in_progress', 'download_completed', 'download_failed', 'download_partial', 'processing', 'shipped', 'delivered', 'completed']: return 'Completed' elif order.status == 'payment_pending': return 'Pending' else: return 'Not Required Yet' def _get_download_status(self, order): """Get detailed download status""" if order.download_completed_at: return f'Completed on {order.download_completed_at}' elif order.download_started_at: return f'In Progress - Started {order.download_started_at}' elif order.status in ['payment_completed', 'storage_selected']: return 'Ready to Download' else: return 'Not Started' def _is_status_achieved(self, current_status, target_status): """Check if a status step has been achieved in the workflow""" status_hierarchy = [ 'cloud_connected', 'files_selected', 'storage_selected', 'payment_completed', 'download_completed', 'processing', 'shipped', 'delivered', 'completed' ] try: current_index = status_hierarchy.index(current_status) target_index = status_hierarchy.index(target_status) return current_index >= target_index except ValueError: return False @action(detail=False, methods=['get']) # url_path=r'transfer/orders' def user_orders(self, request): """Display all orders for the current user (or all orders for admin)""" base_domain = request.build_absolute_uri('/') user = request.user if not user.is_authenticated: return redirect(f'{base_domain}login/') # Admin can see all orders, regular users only see their own if user.is_staff: orders = TransferOrder.objects.all().order_by('-created_at') else: orders = TransferOrder.objects.filter(user=user).order_by('-created_at') context = { 'base_domain': base_domain, 'user': user, 'orders': orders, 'orders_count': orders.count(), 'is_admin': user.is_staff } return render(request, 'client_order_status.html', context) @action(detail=True, methods=['post']) def update_order_status(self, request, order_id=None): """Admin endpoint to update order status""" base_domain = request.build_absolute_uri('/') user = request.user if not user.is_authenticated: return redirect(f'{base_domain}login/') if not user.is_staff: messages.error(request, "Admin access required.") return redirect(f'{base_domain}transfer/status/{order_id}/') try: order = TransferOrder.objects.get(order_number=order_id) new_status = request.POST.get('status') if new_status in dict(TransferOrder.STATUS_CHOICES): order.status = new_status order.save() messages.success(request, f"Order status updated to {order.get_status_display()}") else: messages.error(request, "Invalid status selected.") except TransferOrder.DoesNotExist: messages.error(request, "Order not found.") return redirect(f'{base_domain}transfer/status/{order_id}/') def _get_file_details(self, order): """Get detailed file information with download status""" files = [] for file_selection in order.file_selections.all(): files.append({ 'id': str(file_selection.id), 'name': file_selection.file_name, 'size': file_selection.file_size, 'formatted_size': format_file_size(file_selection.file_size), 'status': file_selection.download_status, 'downloaded_at': file_selection.downloaded_at, 'error_message': file_selection.download_error, 'progress': file_selection.progress_percentage }) return files def _get_file_summary(self, order): """Get summary of file download status""" total_files = order.file_selections.count() downloaded = order.file_selections.filter(download_status='downloaded').count() failed = order.file_selections.filter(download_status='failed').count() pending = order.file_selections.filter(download_status='pending').count() in_progress = order.file_selections.filter(download_status='downloading').count() return { 'total': total_files, 'downloaded': downloaded, 'failed': failed, 'pending': pending, 'in_progress': in_progress, 'has_failed': failed > 0, 'has_pending': pending > 0, 'is_complete': downloaded == total_files and total_files > 0, 'is_partial': downloaded > 0 and downloaded < total_files }