it_manager/locations: редактор шаблона этикеток, раздельная печать QR/EAN и карточка поставщика.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/it_manager/views.py

@@ -752,27 +752,30 @@ def equipment_bulk_create_view(request):
 
 @login_required
 def equipment_labels_view(request):
-    """Печатная страница этикеток QR + EAN-13 для выбранного оборудования."""
+    """Печатная страница этикеток по шаблону; codes=qr|ean|both."""
     from django.shortcuts import render
 
-    from apps.it_manager.equipment_labels import label_payload_for_unit
+    from apps.it_manager.equipment_labels import (
+        get_default_template, label_payload_for_unit, parse_label_codes,
+    )
 
     if not _is_it_staff(request.user):
         return deny_section_access(request)
 
+    codes = parse_label_codes(request.GET.get('codes'))
     raw_ids = request.GET.getlist('ids') or request.GET.get('ids', '').split(',')
     ids = []
     for part in raw_ids:
         part = (part or '').strip()
         if part.isdigit():
             ids.append(int(part))
-    # порядок как в запросе, без дублей
     seen, ordered = set(), []
     for pk in ids:
         if pk not in seen:
             seen.add(pk)
             ordered.append(pk)
 
+    template = get_default_template()
     units_by_id = {
         u.pk: u
         for u in scoped_queryset(request.user, Equipment.objects.all())
@@ -785,9 +788,61 @@ def equipment_labels_view(request):
     for pk in ordered:
         unit = units_by_id.get(pk)
         if unit is not None:
-            labels.append(label_payload_for_unit(unit))
+            labels.append(label_payload_for_unit(unit, codes=codes, template=template))
 
-    return render(request, 'pages/it-equipment-labels.html', {'labels': labels})
+    return render(request, 'pages/it-equipment-labels.html', {
+        'labels': labels,
+        'codes': codes,
+        'template_width_mm': template.width_mm,
+        'template_height_mm': template.height_mm,
+    })
+
+
+@login_required
+def equipment_label_template_view(request):
+    """Редактор общего шаблона этикетки (GET страница / POST JSON)."""
+    import json
+
+    from django.http import JsonResponse
+    from django.shortcuts import render
+
+    from apps.it_manager.equipment_labels import get_default_template, normalize_layout
+
+    if not _is_it_staff(request.user):
+        return deny_section_access(request)
+
+    template = get_default_template()
+
+    if request.method == 'POST':
+        try:
+            payload = json.loads(request.body.decode('utf-8') or '{}')
+        except (json.JSONDecodeError, UnicodeDecodeError):
+            return JsonResponse({'ok': False, 'error': 'Некорректный JSON'}, status=400)
+        try:
+            width = float(payload.get('width_mm') or template.width_mm)
+            height = float(payload.get('height_mm') or template.height_mm)
+        except (TypeError, ValueError):
+            return JsonResponse({'ok': False, 'error': 'Некорректный размер'}, status=400)
+        if width < 20 or width > 200 or height < 15 or height > 200:
+            return JsonResponse({'ok': False, 'error': 'Размер вне диапазона 20–200 × 15–200 мм'}, status=400)
+        layout = normalize_layout(payload.get('layout'))
+        if not layout:
+            return JsonResponse({'ok': False, 'error': 'Добавьте хотя бы один блок'}, status=400)
+        template.width_mm = width
+        template.height_mm = height
+        template.layout = layout
+        template.updated_by = request.user
+        template.save()
+        return JsonResponse({'ok': True, 'updated_at': template.updated_at.isoformat()})
+
+    return render(request, 'pages/it-equipment-label-template.html', {
+        'template': template,
+        'template_json': json.dumps({
+            'width_mm': template.width_mm,
+            'height_mm': template.height_mm,
+            'layout': template.layout or [],
+        }, ensure_ascii=False),
+    })
 
 
 @login_required