philo/contrib/sobol/admin.py

   1 from django.conf import settings
   2 from django.conf.urls.defaults import patterns, url
   3 from django.contrib import admin
   4 from django.core.urlresolvers import reverse
   5 from django.db.models import Count
   6 from django.http import HttpResponseRedirect, Http404
   7 from django.shortcuts import render_to_response
   8 from django.template import RequestContext
   9 from django.utils.translation import ugettext_lazy as _
  10 from philo.admin import EntityAdmin
  11 from philo.contrib.sobol.models import Search, ResultURL, SearchView
  12 from functools import update_wrapper
  13
  14
  15 class ResultURLInline(admin.TabularInline):
  16         model = ResultURL
  17         readonly_fields = ('url',)
  18         can_delete = False
  19         extra = 0
  20         max_num = 0
  21
  22
  23 class SearchAdmin(admin.ModelAdmin):
  24         readonly_fields = ('string',)
  25         inlines = [ResultURLInline]
  26         list_display = ['string', 'unique_urls', 'total_clicks']
  27         search_fields = ['string', 'result_urls__url']
  28         actions = ['results_action']
  29         if 'grappelli' in settings.INSTALLED_APPS:
  30                 results_template = 'admin/sobol/search/grappelli_results.html'
  31         else:
  32                 results_template = 'admin/sobol/search/results.html'
  33
  34         def get_urls(self):
  35                 urlpatterns = super(SearchAdmin, self).get_urls()
  36
  37                 def wrap(view):
  38                         def wrapper(*args, **kwargs):
  39                                 return self.admin_site.admin_view(view)(*args, **kwargs)
  40                         return update_wrapper(wrapper, view)
  41
  42                 info = self.model._meta.app_label, self.model._meta.module_name
  43
  44                 urlpatterns = patterns('',
  45                         url(r'^results/$', wrap(self.results_view), name="%s_%s_selected_results" % info),
  46                         url(r'^(.+)/results/$', wrap(self.results_view), name="%s_%s_results" % info)
  47                 ) + urlpatterns
  48                 return urlpatterns
  49
  50         def unique_urls(self, obj):
  51                 return obj.unique_urls
  52         unique_urls.admin_order_field = 'unique_urls'
  53
  54         def total_clicks(self, obj):
  55                 return obj.total_clicks
  56         total_clicks.admin_order_field = 'total_clicks'
  57
  58         def queryset(self, request):
  59                 qs = super(SearchAdmin, self).queryset(request)
  60                 return qs.annotate(total_clicks=Count('result_urls__clicks', distinct=True), unique_urls=Count('result_urls', distinct=True))
  61
  62         def results_action(self, request, queryset):
  63                 info = self.model._meta.app_label, self.model._meta.module_name
  64                 if len(queryset) == 1:
  65                         return HttpResponseRedirect(reverse("admin:%s_%s_results" % info, args=(queryset[0].pk,)))
  66                 else:
  67                         url = reverse("admin:%s_%s_selected_results" % info)
  68                         return HttpResponseRedirect("%s?ids=%s" % (url, ','.join([str(item.pk) for item in queryset])))
  69         results_action.short_description = "View results for selected %(verbose_name_plural)s"
  70
  71         def results_view(self, request, object_id=None, extra_context=None):
  72                 if object_id is not None:
  73                         object_ids = [object_id]
  74                 else:
  75                         object_ids = request.GET.get('ids').split(',')
  76
  77                         if object_ids is None:
  78                                 raise Http404
  79
  80                 qs = self.queryset(request).filter(pk__in=object_ids)
  81                 opts = self.model._meta
  82
  83                 if len(object_ids) == 1:
  84                         title = _(u"Search results for %s" % qs[0])
  85                 else:
  86                         title = _(u"Search results for multiple objects")
  87
  88                 context = {
  89                         'title': title,
  90                         'queryset': qs,
  91                         'opts': opts,
  92                         'root_path': self.admin_site.root_path,
  93                         'app_label': opts.app_label
  94                 }
  95                 return render_to_response(self.results_template, context, context_instance=RequestContext(request))
  96
  97
  98 class SearchViewAdmin(EntityAdmin):
  99         raw_id_fields = ('results_page',)
 100         related_lookup_fields = {'fk': raw_id_fields}
 101
 102
 103 admin.site.register(Search, SearchAdmin)
 104 admin.site.register(SearchView, SearchViewAdmin)