/
views.py
169 lines (134 loc) · 5.6 KB
/
views.py
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from django.http import HttpResponseRedirect, Http404
from django.views.decorators.csrf import csrf_protect
from django.shortcuts import render
from django.conf import settings
from core.utils import get_version_stats
from .models import Vouchers
from .models import FlickrImages
from .models import Sequences
from .models import Primers
from .forms import AdvancedSearchForm, BatchChangesForm
def index(request):
version, stats = get_version_stats()
return render(request,
'public_interface/index.html',
{
'version': version,
'stats': stats,
},
)
def browse(request):
version, stats = get_version_stats()
queryset = Vouchers.objects.order_by('-timestamp')[:10]
# TODO improve this ugly hack. Use select_related or prefetch_related
vouchers_with_images = []
for i in queryset:
q = FlickrImages.objects.filter(voucher=i.code)
if q.count() > 0:
vouchers_with_images.append(i.code)
return render(request, 'public_interface/browse.html',
{
'results': queryset,
'vouchers_with_images': vouchers_with_images,
'version': version,
'stats': stats,
},
)
def search(request):
version, stats = get_version_stats()
if request.method == 'GET' and bool(request.GET) is not False:
form = AdvancedSearchForm(request.GET)
if form.is_valid():
# do search
results = form.search()
if results:
return render(request, 'public_interface/search_results.html',
{
'form': form,
'results': results,
'version': version,
'stats': stats,
})
else:
return render(request, 'public_interface/search.html',
{
'form': form,
'results': 'No results',
'version': version,
'stats': stats,
})
else:
form = AdvancedSearchForm()
return render(request, 'public_interface/search.html',
{
'form': form,
'version': version,
'stats': stats,
})
def show_voucher(request, voucher_code):
version, stats = get_version_stats()
try:
voucher_queryset = Vouchers.objects.get(code__iexact=voucher_code)
except Vouchers.DoesNotExist:
raise Http404
images_queryset = FlickrImages.objects.filter(voucher=voucher_code)
seqs_queryset = Sequences.objects.filter(code=voucher_code).values('code', 'gene_code',
'number_ambiguous_bp',
'labPerson')
return render(request, 'public_interface/show_voucher.html',
{'voucher': voucher_queryset,
'images': images_queryset,
'sequences': seqs_queryset,
'google_maps_api_key': settings.GOOGLE_MAPS_API_KEY,
'version': version,
'stats': stats,
},
)
def show_sequence(request, voucher_code, gene_code):
version, stats = get_version_stats()
try:
queryset = Vouchers.objects.get(code__iexact=voucher_code)
except Vouchers.DoesNotExist:
raise Http404
seqs_queryset = Sequences.objects.get(code=voucher_code, gene_code=gene_code)
images_queryset = FlickrImages.objects.filter(voucher=voucher_code)
primers_queryset = Primers.objects.filter(for_sequence=seqs_queryset)
return render(request, 'public_interface/show_sequence.html',
{
'voucher': queryset,
'sequence': seqs_queryset,
'images': images_queryset,
'primers': primers_queryset,
'version': version,
'stats': stats,
},)
@csrf_protect
def change_selected(request, selected):
"""
Changes field values from Vouchers in batch.
This action first displays a change form page whichs shows all the
fields of a Vouchers type.
Next, it changes all selected objects and redirects back to the changed list.
The action that calls this function should raise a PermissionDenied
if the user has no rights for changes.
"""
# The user has already proposed the changes.
# Apply the changes and return a None to display the changed list.
if request.method == 'POST':
form = BatchChangesForm(request.POST)
ids = selected.split(",")
queryset = Vouchers.objects.filter(pk__in=ids)
n = queryset.count()
if n and form.is_valid():
# do changes
keywords = {}
for field, value in form.cleaned_data.items():
if value:
keywords[field] = value
queryset.update(**keywords)
return HttpResponseRedirect('/admin/public_interface/vouchers/')
else:
form = BatchChangesForm()
# Display the changes page
context = {'form': form, 'selected': selected}
return render(request, 'admin/public_interface/vouchers/batch_changes.html', context)