old_contents: from django.core.urlresolvers import reverse
  from django.db.models.aggregates import Count
  from django.shortcuts import render, get_object_or_404
  
  from neurovault.apps.statmaps.models import Community
  from ..statmaps.models import Collection
  
  
  def index_view(request):
      recent_collections = Collection.objects.exclude(DOI__isnull=True).exclude(private=True).order_by('-doi_add_date')
      #this is faster than using annotate and count!
      recent_collections = [col for col in recent_collections if col.basecollectionitem_set.count() > 0][:10]
      
      context = {'recent_collections': recent_collections,
                 'query_explanation': "Recently added collections of images from published papers",
                 'tagline': "A public repository of unthresholded statistical maps, <br />"
                            "parcellations, and atlases of the brain",
                 'what_is_it': "A place where researchers can publicly store and share unthresholded statistical maps, parcellations, and atlases produced by MRI and PET studies."}
  
      return render(request, 'index.html.haml', context)
  
  
  def community_view(request, community_label):
      community = get_object_or_404(Community, label=community_label)
  
      recent_collections = community.collections.exclude(private=True).order_by('-doi_add_date')
      # this is faster than using annotate and count!
      recent_collections = [col for col in recent_collections if col.basecollectionitem_set.count() > 0][:10]
  
      context = {'recent_collections': recent_collections,
                 'query_explanation': "Recently added collections of images from the %s Community"%community.short_desc,
                 'tagline': "A public repository of unthresholded statistical maps, <br />"
                            "parcellations, and atlases of the brain <br />"
                            "from the %s Community"%community.short_desc,
                 'what_is_it': "A place where %s researchers can publicly store and share unthresholded statistical maps, parcellations, and atlases produced by MRI and PET studies."%community.short_desc,
                 'name_subscript': community.label,
                 'name_subscript_url': reverse('view_community', kwargs={'community_label': community_label})}
      return render(request, 'index.html.haml', context)
  
  
new_contents: from django.core.urlresolvers import reverse
  from django.db.models.aggregates import Count
  from django.shortcuts import render, get_object_or_404
  
  from neurovault.apps.statmaps.models import Community
  from ..statmaps.models import Collection
  
  
  def index_view(request):
      recent_collections = Collection.objects.exclude(DOI__isnull=True).exclude(private=True).order_by('-doi_add_date')
      #this is faster than using annotate and count!
      recent_collections = [col for col in recent_collections if col.basecollectionitem_set.count() > 0][:10]
      
      context = {'recent_collections': recent_collections,
                 'query_explanation': "Recently added collections of images from published papers",
                 'tagline': "A public repository of unthresholded statistical maps, <br />"
                            "parcellations, and atlases of the brain",
                 'what_is_it': "A place where researchers can publicly store and share unthresholded statistical maps, parcellations, and atlases produced by MRI and PET studies."}
  
      return render(request, 'index.html.haml', context)
  
  
  def community_view(request, community_label):
      community = get_object_or_404(Community, label=community_label)
  
      recent_collections = community.collections.exclude(DOI__isnull=True).exclude(
          private=True).order_by('-doi_add_date')
      # this is faster than using annotate and count!
      recent_collections = [col for col in recent_collections if col.basecollectionitem_set.count() > 0][:10]
  
      context = {'recent_collections': recent_collections,
                 'query_explanation': "Recently added collections of images from the %s Community"%community.short_desc,
                 'tagline': "A public repository of unthresholded statistical maps, <br />"
                            "parcellations, and atlases of the brain <br />"
                            "from the %s Community"%community.short_desc,
                 'what_is_it': "A place where %s researchers can publicly store and share unthresholded statistical maps, parcellations, and atlases produced by MRI and PET studies."%community.short_desc,
                 'name_subscript': community.label,
                 'name_subscript_url': reverse('view_community', kwargs={'community_label': community_label})}
      return render(request, 'index.html.haml', context)
  
  
subject: exclude collections without DOIs from community view