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apps/core/context_processors.py

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+from django.conf import settings
+from django.db import OperationalError, ProgrammingError
+from django.utils.safestring import mark_safe
+from django.templatetags.static import static
+
+from .models import PageTitle, SiteBranding
+
+
+def site_branding(request):
+    """Expose editable branding and the title configured for the current route."""
+    try:
+        branding = SiteBranding.load()
+        route_name = getattr(getattr(request, "resolver_match", None), "view_name", "") or ""
+        configured = PageTitle.objects.filter(route_name=route_name, is_active=True).values_list("title", flat=True).first()
+    except (OperationalError, ProgrammingError, RuntimeError):
+        branding = SiteBranding()
+        configured = None
+    developer_credit = (
+        mark_safe(branding.developer_credit_html)
+        if branding.use_developer_credit_html and branding.developer_credit_html.strip()
+        else branding.developer_credit_text
+    )
+    staff_sidebar_credit = (
+        mark_safe(branding.staff_sidebar_credit_html)
+        if branding.use_staff_sidebar_credit_html and branding.staff_sidebar_credit_html.strip()
+        else branding.staff_sidebar_credit_text
+    )
+    def asset_url(field, fallback):
+        try:
+            return field.url if field else static(fallback)
+        except (ValueError, OSError):
+            return static(fallback)
+    branding_version = str(int(branding.updated_at.timestamp())) if branding.pk and branding.updated_at else "default"
+    return {
+        "site_branding": branding,
+        "page_title": configured or branding.site_title,
+        "developer_credit": developer_credit,
+        "staff_sidebar_credit": staff_sidebar_credit,
+        "branding_version": branding_version,
+        "company_logo_url": asset_url(branding.company_logo, "images/company-logo.png"),
+        "favicon_url": asset_url(branding.favicon, "images/favicon.ico"),
+        "pwa_icon_url": asset_url(branding.pwa_icon, "images/pwa-icon.png"),
+    }
+
+
+def static_asset_version(request):
+    """Change frontend and worker versions whenever static files or templates change."""
+    roots = (settings.BASE_DIR / "static", settings.BASE_DIR / "templates")
+    mtimes = (path.stat().st_mtime_ns for root in roots if root.exists() for path in root.rglob("*") if path.is_file())
+    return {"static_asset_version": str(max(mtimes, default=0))}
+
+
+def staff_operations_access(request):
+    """Expose unit-scoped navigation capabilities without hardcoded roles."""
+    user = request.user
+    if not getattr(user, "is_authenticated", False) or getattr(user, "account_type", "") != "STAFF":
+        return {}
+    from apps.tickets.policies import TicketPolicy
+    memberships = list(user.unit_memberships.filter(is_active=True, unit__is_active=True).select_related("unit"))
+    def allowed(permission):
+        return user.is_superuser or user.has_perm(permission) or any(TicketPolicy.has_unit_permission(user, item.unit, permission) for item in memberships)
+    return {"staff_operations_access": {
+        "create_ticket": user.has_perm("tickets.add_ticket") or allowed("tickets.add_ticket"),
+        "contacts": allowed("customers.view_customerprofile"),
+        "dispatches": allowed("tickets.create_bulk_dispatch") or allowed("tickets.create_inquiry") or allowed("tickets.dispatch_group_tickets"),
+        "templates": allowed("notifications.view_smstemplate") or allowed("notifications.add_smstemplate"),
+        "audit": user.has_perm("accounts.view_all_magic_links") or allowed("accounts.view_ticketmagiclink"),
+    }}