Improvements to stock page

- Fixed URL / view (use class views)
- Better slug lookup
- Better table rendering using ol' mate bootstrap

InvenTree/stock/views.py

@@ -1,43 +1,95 @@
-from django.http import HttpResponse
-from django.template import loader
-
 from django.shortcuts import get_object_or_404, render
+from django.http import HttpResponseRedirect
+from django.urls import reverse
+
+from django.views.generic import DetailView, ListView
+from django.views.generic.edit import UpdateView, DeleteView, CreateView
+
 
 from .models import StockItem, StockLocation
 
-def index(request):
-    template = loader.get_template('stock/index.html')
+from .forms import EditStockLocationForm
+from .forms import EditStockItemForm
 
-    items = StockItem.objects.all()
+class StockIndex(ListView):
+    model = StockItem
+    template_name = 'stock/index.html'
+    context_obect_name = 'items'
+    paginate_by = 50
 
-    location = None
+    def get_queryset(self):
+        return StockItem.objects.filter(location=None)
 
-    if 'location' in request.GET:
-        loc_id = request.GET['location']
+    def get_context_data(self, **kwargs):
+        context = super(StockIndex, self).get_context_data(**kwargs).copy()
 
-        location = get_object_or_404(StockLocation, pk=loc_id)
+        locations = StockLocation.objects.filter(parent=None)
 
-        items = items.filter(location = loc_id)
+        context['locations'] = locations
 
-        children = StockLocation.objects.filter(parent = loc_id)
+        return context
 
-    else:
-        # No stock items can exist without a location
-        items = None
-        location = None
-        children = StockLocation.objects.filter(parent__isnull=True)
-
-    context = {
-        'items' : items,
-        'location' : location,
-        'children' : children,
-    }
-
-    return HttpResponse(template.render(context, request))
+class StockLocationDetail(DetailView):
+    context_object_name = 'location'
+    template_name = 'stock/location.html'
+    queryset = StockLocation.objects.all()
+    model = StockLocation
 
 
-def detail(request, pk):
+class StockItemDetail(DetailView):
+    context_object_name = 'item'
+    template_name = 'stock/item.html'
+    queryset = StockItem.objects.all()
+    model = StockItem
 
-    stock = get_object_or_404(StockItem, pk=pk)
 
-    return render(request, 'stock/detail.html', {'item' : stock})
+class StockLocationEdit(UpdateView):
+    model = StockLocation
+    form_class = EditStockLocationForm
+    template_name = '/stock/location-edit.html'
+    context_object_name = 'location'
+
+
+class StockItemEdit(UpdateView):
+    model = StockItem
+    form_class = EditStockItemForm
+    template_name = '/stock/item-edit.html'
+    context_object_name = 'item'
+
+
+class StockLocationCreate(CreateView):
+    model = StockLocation
+    form_class = EditStockLocationForm
+    template_name = '/stock/location-create.html'
+    context_object_name = 'location'
+
+
+class StockItemCreate(CreateView):
+    model = StockItem
+    form_class = EditStockItemForm
+    template_name = '/stock/item-create.html'
+    context_object_name = 'item'
+
+
+class StockLocationDelete(DeleteView):
+    model = StockLocation
+    success_url = '/stock/'
+    template_name = '/stock/location-delete.html'
+
+    def post(self, request, *args, **kwargs):
+        if 'confirm' in request.POST:
+            return super(StockLocationDelete, self).post(request, *args, **kwargs)
+        else:
+            return HttpResponseRedirect(self.get_object().get_absolute_url())
+
+
+class StockItemDelete(DeleteView):
+    model = StockLocation
+    success_url = '/stock/'
+    template_name = '/stock/item-delete.html'
+
+    def post(self, request, *args, **kwargs):
+        if 'confirm' in request.POST:
+            return super(StockItemDelete, self).post(request, *args, **kwargs)
+        else:
+            return HttpResponseRedirect(self.get_object().get_absolute_url())