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views.py
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views.py
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import requests
import requests_cache
from urllib.parse import urlparse
from django import forms
from django.core.exceptions import ObjectDoesNotExist
from django.core.urlresolvers import reverse, reverse_lazy
from django.http import HttpResponseRedirect
from django.shortcuts import redirect, render, get_object_or_404
from django.utils.crypto import constant_time_compare, salted_hmac
from django.views.generic import (CreateView, DeleteView, DetailView,
ListView, UpdateView, TemplateView, View)
from django.views.generic.edit import ModelFormMixin, ProcessFormView
from django.views.generic.detail import SingleObjectTemplateResponseMixin
from braces.views import LoginRequiredMixin
from dataset.forms import (ContactForm, ContactFormSet, ContactFormSetHelper,
DatasetForm, FeaturedDatasetForm, InvestigatorFormSet,
InvestigatorFormSetHelper, LinkFormSet, LinkFormSetHelper,
PublicationDocumentFormSet, PublicationDocumentFormSetHelper,
PublicationPubMedLinkFormSet, PublicationPubMedLinkFormSetHelper,
RevisionFormSet, RevisionFormSetHelper, TaskFormSet, TaskFormSetHelper,
UserDatasetForm, UserDataRequestForm, NewContactForm, ReferencePaperForm)
from dataset.models import (Contact, Dataset, Investigator,
PublicationDocument, PublicationPubMedLink, FeaturedDataset,
UserDataRequest, ReferencePaper)
from log_parse.models import S3File
# requests_cache.install_cache('cache', expire_after=3600)
class ContactList(LoginRequiredMixin, ListView):
model = Contact
class ContactDelete(LoginRequiredMixin, DeleteView):
model = Contact
success_url = reverse_lazy('contact_list')
class ContactUpdate(LoginRequiredMixin, UpdateView):
model = Contact
form_class = NewContactForm
success_url = reverse_lazy('contact_list')
class ContactCreate(LoginRequiredMixin, CreateView):
model = Contact
form_class = NewContactForm
success_url = reverse_lazy('contact_list')
class DatasetList(ListView):
model = Dataset
def get_queryset(self, **kwargs):
if not self.request.user.is_authenticated():
queryset = Dataset.objects.filter(status='PUBLISHED')
return queryset
else:
return super(DatasetList, self).get_queryset(**kwargs)
class DatasetDelete(LoginRequiredMixin, DeleteView):
model = Dataset
success_url = reverse_lazy('dataset_list')
class DatasetDetail(DetailView):
model = Dataset
def get_object(self):
acc_num = self.kwargs.get('acc_num')
if acc_num:
try:
obj = Dataset.objects.get(accession_number=acc_num)
except queryset.model.DoesNotExist:
raise Http404(_("No %(verbose_name)s found matching the query") %
{'verbose_name': queryset.model._meta.verbose_name})
return obj
else:
return super(DatasetDetail, self).get_object()
def get_context_data(self, **kwargs):
context = super(DatasetDetail, self).get_context_data(**kwargs)
context['revisions'] = self.object.revision_set.order_by('-date_set')
revisions = self.object.revision_set.order_by('-date_set')
context_revisions = []
for revision in revisions:
context_links = []
for link in revision.link_set.all().order_by('title'):
try:
filename = urlparse(link.url).path
if filename[0] == '/':
filename = filename[1:]
count = S3File.objects.get(filename=filename).count
context_links.append((link, count))
except ObjectDoesNotExist:
context_links.append((link, -1))
context_revisions.append((revision, context_links))
context_links = []
links = self.object.link_set.filter(revision__isnull=True).order_by('title')
for link in links:
try:
filename = urlparse(link.url).path
if filename[0] == '/':
filename = filename[1:]
count = S3File.objects.get(filename=filename).count
context_links.append((link, count))
except ObjectDoesNotExist:
context_links.append((link, -1))
context['links'] = context_links
context['revisions'] = context_revisions
context['other_links'] = context_links
context['ref_papers'] = self.object.referencepaper_set.all()
contacts = self.object.contacts.all().order_by('name')
context['has_contacts'] = contacts.count() > 0
context['contacts'] = contacts
return context
class DatasetCreateUpdate(LoginRequiredMixin, SingleObjectTemplateResponseMixin,
ModelFormMixin, ProcessFormView):
model = Dataset
form_class = DatasetForm
template_name = 'dataset/dataset_form.html'
def get_success_url(self):
if self.object.pk != None:
return reverse_lazy('dataset_detail', args = (self.object.pk,))
else:
return reverse_lazy('dataset_list')
def get_object(self, queryset=None):
try:
return super(DatasetCreateUpdate, self).get_object(queryset)
except AttributeError:
return None
def get(self, *args, **kwargs):
self.object = self.get_object()
return super(DatasetCreateUpdate, self).get(self.request, *args, **kwargs)
def post(self, *args, **kwargs):
self.object = self.get_object()
return super(DatasetCreateUpdate, self).post(self.request, *args, **kwargs)
def get_context_data(self, **kwargs):
context = super(DatasetCreateUpdate, self).get_context_data(**kwargs)
contact_pk = 0
# initial = {'contact': contact_pk})
context['investigator_formset'] = InvestigatorFormSet(instance=self.object)
context['investigator_formset_helper'] = InvestigatorFormSetHelper()
context['link_formset'] = LinkFormSet(instance=self.object)
context['link_formset_helper'] = LinkFormSetHelper()
context['publication_document_formset'] = \
PublicationDocumentFormSet(instance=self.object)
context['publication_document_formset_helper'] = \
PublicationDocumentFormSetHelper()
context['publication_pubmed_link_formset'] = \
PublicationPubMedLinkFormSet(instance=self.object)
context['publication_pubmed_link_formset_helper'] = \
PublicationPubMedLinkFormSetHelper()
context['task_formset'] = TaskFormSet(instance=self.object)
context['task_formset_helper'] = TaskFormSetHelper()
context['revision_formset'] = RevisionFormSet(instance=self.object)
context['revision_formset_helper'] = RevisionFormSetHelper()
print(self.object)
if self.object:
context['contact_formset'] = ContactFormSet(
queryset=self.object.contacts.all(),
)
else:
context['contact_formset'] = ContactFormSet(
queryset=Contact.objects.none(),
)
context['contact_formset_helper'] = ContactFormSetHelper()
return context
def form_valid(self, form):
dataset = form.save()
self.object = dataset
invalid_form = False
investigator_formset = InvestigatorFormSet(self.request.POST,
self.request.FILES, instance=dataset)
if investigator_formset.is_valid():
investigator_formset.save()
else:
invalid_form = True
link_formset = LinkFormSet(self.request.POST, instance=dataset)
if link_formset.is_valid():
link_formset.save()
else:
invalid_form = True
publication_document_formset = PublicationDocumentFormSet(
self.request.POST, self.request.FILES, instance=dataset)
if publication_document_formset.is_valid():
publication_document_formset.save()
else:
invalid_form = True
publication_pubmed_link_formset = PublicationPubMedLinkFormSet(
self.request.POST, instance=dataset)
if publication_pubmed_link_formset.is_valid():
publication_pubmed_link_formset.save()
else:
invalid_form = True
revision_formset = RevisionFormSet(self.request.POST,
instance=dataset)
if revision_formset.is_valid():
revision_formset.save()
else:
invalid_form = True
task_formset = TaskFormSet(self.request.POST, self.request.FILES,
instance=dataset)
if task_formset.is_valid():
task_formset.save()
else:
invalid_form = True
contact_formset = ContactFormSet(self.request.POST)
if contact_formset.is_valid():
contact_forms = contact_formset.save()
for contact in contact_forms:
dataset.contacts.add(contact.pk)
else:
invalid_form = True
print(dataset.contacts.all())
if invalid_form:
context = {
'request': self.request,
'form': form,
'investigator_formset': investigator_formset,
'link_formset': link_formset,
'publication_document_formset': publication_document_formset,
'publication_pubmed_link_formset': publication_pubmed_link_formset,
'revision_formset': revision_formset,
'task_formset': task_formset,
'contact_formset': contact_formset,
'contact_formset_helper': ContactFormSetHelper(),
'investigator_formset_helper': InvestigatorFormSetHelper(),
'link_formset_helper': LinkFormSetHelper(),
'publication_document_formset_helper': PublicationDocumentFormSetHelper(),
'publication_pubmed_link_formset_helper': PublicationPubMedLinkFormSetHelper(),
'task_formset_helper': TaskFormSetHelper(),
'revision_formset_helper': RevisionFormSetHelper(),
}
return self.render_to_response(context)
else:
return HttpResponseRedirect(self.get_success_url())
class FeaturedDatasetEdit(LoginRequiredMixin, CreateView):
model = FeaturedDataset
form_class = FeaturedDatasetForm
success_url = reverse_lazy('dataset_list')
def get_context_data(self, **kwargs):
context = super(FeaturedDatasetEdit, self).get_context_data(**kwargs)
context['featured_datasets'] = FeaturedDataset.objects.order_by(
'-date_featured')
return context
class FeaturedDatasetDelete(LoginRequiredMixin, DeleteView):
model = FeaturedDataset
success_url = reverse_lazy('dataset_list')
class UserDataRequestCreate(LoginRequiredMixin, CreateView):
model = UserDataRequest
form_class = UserDataRequestForm
success_url = reverse_lazy('dataset_list')
def form_valid(self, form):
user_request = form.save()
dataset = Dataset()
dataset.project_name = "Request for " + user_request.user_email_address
dataset.save()
user_request.dataset = dataset
user_request.save()
return super(UserDataRequestCreate, self).form_valid(form)
class UserDataset(SingleObjectTemplateResponseMixin, ModelFormMixin,
ProcessFormView):
model = Dataset
form_class = UserDatasetForm
success_url = reverse_lazy('dataset_list')
template_name = "dataset/user_dataset_form.html"
def get(self, request, *args, **kwargs):
self.object = self.get_object()
return super(UserDataset, self).get(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
self.object = self.get_object()
return super(UserDataset, self).post(request, *args, **kwargs)
def get_object(self):
token = self.kwargs.get('token')
user_data_request = get_object_or_404(UserDataRequest, token=token)
return user_data_request.dataset
''' alternative method of binding dataset to user data request
def form_valid(self, form):
dataset = form.save()
token = self.kwargs.get('token')
user_data_request = get_object_or_404(UserDataRequest, token=token)
if user_data_request.dataset == None:
user_data_request.dataset = dataset
user_data_request.save()
return super(UserDataset, self).form_valid(form)
'''
class UserDatasetCreate(CreateView):
model = Dataset
form_class = UserDatasetForm
success_url = reverse_lazy('dataset_list')
template_name = "dataset/user_dataset_form.html"
# Check to make sure the token exists, if not 404
def dispatch(self, *args, **kwargs):
token = self.kwargs.get('token')
user_data_request = get_object_or_404(UserDataRequest, token=token)
return super(UserDatasetCreate, self).dispatch(*args, **kwargs)
def form_valid(self, form):
dataset = form.save()
token = self.kwargs.get('token')
user_data_request = get_object_or_404(UserDataRequest, token=token)
user_data_request.save()
return super(UserDatasetCreate, self).form_valid(form)
class Index(TemplateView):
template_name = "index.html"
def get_context_data(self, **kwargs):
context = super(Index, self).get_context_data(**kwargs)
context['num_datasets'] = len(Dataset.objects.filter(status='PUBLISHED'))
total = 0
for x in Dataset.objects.filter(status='PUBLISHED'):
if x.sample_size is not None:
total += x.sample_size
context['num_subjects'] = total
return context
class ReferencePaperList(LoginRequiredMixin, ListView):
model = ReferencePaper
class ReferencePaperDelete(LoginRequiredMixin, DeleteView):
model = ReferencePaper
success_url = reverse_lazy('reference_paper_list')
class ReferencePaperCreate(LoginRequiredMixin, CreateView):
model = ReferencePaper
form_class = ReferencePaperForm
success_url = reverse_lazy('reference_paper_list')
class ReferencePaperUpdate(LoginRequiredMixin, UpdateView):
model = ReferencePaper
form_class = ReferencePaperForm
success_url = reverse_lazy('reference_paper_list')