add dialog to show accounting data

billard/views.py

@@ -6,7 +6,7 @@ from django.shortcuts import render, redirect
 from django.views import generic
 from django.views.generic.detail import DetailView
 from django.contrib.auth.decorators import login_required
-from django.db.models import Min
+from django.db.models import Min, Sum
 from django.http import HttpResponse
 
 
@@ -53,6 +53,51 @@ def accountmodalconfirmview(request, pk):
     return redirect('carom_index')
 
 
+@login_required
+def accounting(request):
+    if request.method == 'GET':
+        template = 'billard/accounting.html'
+        loc = None
+        min_loc = Location.objects.filter(users__id=request.user.id).aggregate(Min('id'))['id__min']
+        if 'loc' in request.GET:
+            loc = request.GET['loc']
+        if not Location.objects.filter(users__id=request.user.id).filter(id=loc).exists():
+            resp = redirect('accounting')
+            if min_loc is not None:
+                resp['Location'] += '?loc={}'.format(str(min_loc))
+                request.session['loc'] = str(min_loc)
+                return resp
+            else:
+                return render(request, accounting)
+        if loc is None:
+            loc = min_loc
+        locations = Location.objects.filter(users__id=request.user.id).order_by('code')
+        acc = Accounting.objects.filter(billed=False).exclude(time_to__isnull=True).\
+            filter(desk__client__location_id=loc).order_by('-time_from')
+        acc_sum = acc.aggregate(Sum('prize'))
+        acc_ids = list()
+        for a in acc:
+            acc_ids.append(a.id)
+
+        context = {
+            'location_id': int(loc),
+            'locations': locations,
+            'accounting': acc,
+            'acc_ids': acc_ids,
+        }
+        if acc_sum['prize__sum'] is None:
+            context['acc_sum'] = 0
+        else:
+            context['acc_sum'] = acc_sum['prize__sum']
+        return render(request, template_name=template, context=context)
+    if request.method == 'POST':
+        loc = request.POST['location-selector']
+        request.session['loc'] = str(loc)
+        resp = redirect('accounting')
+        resp['Location'] += '?loc={}'.format(str(loc))
+        return resp
+
+
 @login_required
 def index(request):
     if request.method == 'GET':