Виджет с усреднёнными точками на карте

dbapp/mainapp/views/source.py

@@ -6,13 +6,14 @@ from datetime import datetime
 from django.contrib import messages
 from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
 from django.core.paginator import Paginator
-from django.db.models import Count
+from django.db.models import Count, Q
+from django.http import JsonResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
 from django.views import View
 
 from ..forms import SourceForm
-from ..models import Source
+from ..models import Source, Satellite
 from ..utils import parse_pagination_params
 
 
@@ -38,6 +39,15 @@ class SourceListView(LoginRequiredMixin, View):
         objitem_count_max = request.GET.get("objitem_count_max", "").strip()
         date_from = request.GET.get("date_from", "").strip()
         date_to = request.GET.get("date_to", "").strip()
+        selected_satellites = request.GET.getlist("satellite_id")
+        
+        # Get all satellites for filter
+        satellites = (
+            Satellite.objects.filter(parameters__objitem__source__isnull=False)
+            .distinct()
+            .only("id", "name")
+            .order_by("name")
+        )
         
         # Get all Source objects with query optimization
         # Using annotate to count ObjItems efficiently (single query with GROUP BY)
@@ -45,6 +55,7 @@ class SourceListView(LoginRequiredMixin, View):
         sources = Source.objects.prefetch_related(
             'source_objitems',
             'source_objitems__parameter_obj',
+            'source_objitems__parameter_obj__id_satellite',
             'source_objitems__geo_obj'
         ).annotate(
             objitem_count=Count('source_objitems')
@@ -117,6 +128,12 @@ class SourceListView(LoginRequiredMixin, View):
                 # If not a number, ignore
                 pass
         
+        # Filter by satellites
+        if selected_satellites:
+            sources = sources.filter(
+                source_objitems__parameter_obj__id_satellite_id__in=selected_satellites
+            ).distinct()
+        
         # Apply sorting
         valid_sort_fields = {
             "id": "id",
@@ -157,6 +174,15 @@ class SourceListView(LoginRequiredMixin, View):
             # Get count of related ObjItems
             objitem_count = source.objitem_count
             
+            # Get satellites for this source
+            satellite_names = set()
+            for objitem in source.source_objitems.all():
+                if hasattr(objitem, 'parameter_obj') and objitem.parameter_obj:
+                    if hasattr(objitem.parameter_obj, 'id_satellite') and objitem.parameter_obj.id_satellite:
+                        satellite_names.add(objitem.parameter_obj.id_satellite.name)
+            
+            satellite_str = ", ".join(sorted(satellite_names)) if satellite_names else "-"
+            
             processed_sources.append({
                 'id': source.id,
                 'coords_average': coords_average_str,
@@ -164,6 +190,7 @@ class SourceListView(LoginRequiredMixin, View):
                 'coords_valid': coords_valid_str,
                 'coords_reference': coords_reference_str,
                 'objitem_count': objitem_count,
+                'satellite': satellite_str,
                 'created_at': source.created_at,
                 'updated_at': source.updated_at,
             })
@@ -184,6 +211,10 @@ class SourceListView(LoginRequiredMixin, View):
             'objitem_count_max': objitem_count_max,
             'date_from': date_from,
             'date_to': date_to,
+            'satellites': satellites,
+            'selected_satellites': [
+                int(x) if isinstance(x, str) else x for x in selected_satellites if (isinstance(x, int) or (isinstance(x, str) and x.isdigit()))
+            ],
             'full_width_page': True,
         }
         
@@ -302,3 +333,89 @@ class SourceDeleteView(LoginRequiredMixin, AdminModeratorMixin, View):
         if request.GET.urlencode():
             return redirect(f"{reverse('mainapp:home')}?{request.GET.urlencode()}")
         return redirect('mainapp:home')
+
+
+class DeleteSelectedSourcesView(LoginRequiredMixin, AdminModeratorMixin, View):
+    """View for deleting multiple selected sources with confirmation."""
+    
+    def get(self, request):
+        """Show confirmation page with details about sources to be deleted."""
+        ids = request.GET.get("ids", "")
+        if not ids:
+            messages.error(request, "Не выбраны источники для удаления")
+            return redirect('mainapp:home')
+        
+        try:
+            id_list = [int(x) for x in ids.split(",") if x.isdigit()]
+            sources = Source.objects.filter(id__in=id_list).prefetch_related(
+                'source_objitems',
+                'source_objitems__parameter_obj',
+                'source_objitems__parameter_obj__id_satellite',
+                'source_objitems__geo_obj'
+            ).annotate(
+                objitem_count=Count('source_objitems')
+            )
+            
+            # Prepare detailed information about sources
+            sources_info = []
+            total_objitems = 0
+            
+            for source in sources:
+                # Get satellites for this source
+                satellite_names = set()
+                for objitem in source.source_objitems.all():
+                    if hasattr(objitem, 'parameter_obj') and objitem.parameter_obj:
+                        if hasattr(objitem.parameter_obj, 'id_satellite') and objitem.parameter_obj.id_satellite:
+                            satellite_names.add(objitem.parameter_obj.id_satellite.name)
+                
+                objitem_count = source.objitem_count
+                total_objitems += objitem_count
+                
+                sources_info.append({
+                    'id': source.id,
+                    'objitem_count': objitem_count,
+                    'satellites': ", ".join(sorted(satellite_names)) if satellite_names else "-",
+                })
+            
+            context = {
+                'sources_info': sources_info,
+                'total_sources': len(sources_info),
+                'total_objitems': total_objitems,
+                'ids': ids,
+            }
+            
+            return render(request, 'mainapp/source_bulk_delete_confirm.html', context)
+            
+        except Exception as e:
+            messages.error(request, f'Ошибка при подготовке удаления: {str(e)}')
+            return redirect('mainapp:home')
+    
+    def post(self, request):
+        """Actually delete the selected sources."""
+        ids = request.POST.get("ids", "")
+        if not ids:
+            return JsonResponse({"error": "Нет ID для удаления"}, status=400)
+        
+        try:
+            id_list = [int(x) for x in ids.split(",") if x.isdigit()]
+            
+            # Get count before deletion
+            sources = Source.objects.filter(id__in=id_list)
+            deleted_sources_count = sources.count()
+            
+            # Delete sources (cascade will delete related objitems)
+            sources.delete()
+            
+            messages.success(
+                request, 
+                f'Успешно удалено источников: {deleted_sources_count}'
+            )
+            
+            return JsonResponse({
+                "success": True,
+                "message": f"Успешно удалено источников: {deleted_sources_count}",
+                "deleted_count": deleted_sources_count,
+            })
+            
+        except Exception as e:
+            return JsonResponse({"error": f"Ошибка при удалении: {str(e)}"}, status=500)