def browse(request):
"Browse postcards and display thumbnail images."
repo = Repository()
repo.default_object_type = ImageObject
# TEMPORARY: restrict to postcards by pidspace
# NOTE: tests rely somewhat on restriction by pidspace...
search_opts = {'relation': settings.RELATION }
number_of_results = 15
context = {}
if 'subject' in request.GET:
context['subject'] = request.GET['subject']
search_opts['subject'] = request.GET['subject']
postcards = repo.find_objects(**search_opts)
postcard_paginator = Paginator(list(postcards), number_of_results)
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
# If page request (9999) is out of range, deliver last page of results.
try:
postcard_page = postcard_paginator.page(page)
except (EmptyPage, InvalidPage):
postcard_page = postcard_paginator.page(paginator.num_pages)
context['postcards_paginated'] = postcard_page
return render_to_response('postcards/browse.html', context,
context_instance=RequestContext(request))
def search(request):
# rough fedora-based postcard search (borrowed heavily from digital masters)
form = SearchForm(request.GET)
response_code = None
context = {'search': form}
number_of_results = 5
if form.is_valid():
# adding wildcards because fedora has a weird notion of what 'contains' means
# TODO: terms search can't be used with with field search
# -- how to allow a keyword search but restrict to postcards?
#keywords = '%s*' % form.cleaned_data['keyword'].rstrip('*')
# TEMPORARY: restrict to postcards by pidspace
search_opts = {'relation': settings.RELATION }
if 'title' in form.cleaned_data:
search_opts['title__contains'] = '%s*' % form.cleaned_data['title'].rstrip('*')
if 'description' in form.cleaned_data:
search_opts['description__contains'] = '%s*' % form.cleaned_data['description'].rstrip('*')
try:
repo = Repository()
found = repo.find_objects(type=ImageObject, **search_opts)
search_paginator = Paginator(list(found), number_of_results)
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
# If page request (9999) is out of range, deliver last page of results.
try:
search_page = search_paginator.page(page)
except (EmptyPage, InvalidPage):
search_page = search_paginator.page(paginator.num_pages)
context['postcards_paginated'] = search_page
context['title'] = form.cleaned_data['title']
context['description'] = form.cleaned_data['description']
except Exception as e:
logging.debug(e)
response_code = 500
context['server_error'] = 'There was an error ' + \
'contacting the digital repository. This ' + \
'prevented us from completing your search. If ' + \
'this problem persists, please alert the ' + \
'repository administrator.'
response = render_to_response('postcards/search.html', context,
context_instance=RequestContext(request))
if response_code is not None:
response.status_code = response_code
return response
def remove_test_objects():
# remove any leftover test object before or after running tests
# NOTE: This method expects to be called only when FEDORA_PIDSPACE has been
# switched to a test pidspace
# use test fedora credentials if they are set
repo = Repository(username=getattr(settings, 'FEDORA_TEST_USER', None),
password=getattr(settings, 'FEDORA_TEST_PASSWORD', None))
test_objects = repo.find_objects(pid__contains='%s:*' % settings.FEDORA_PIDSPACE)
count = 0
for obj in test_objects:
# if objects are unexpectedly not being cleaned up, pid/label may help
# to isolate which test is creating the leftover objects
logger.info('Purging test object %s - %s' % (obj.pid, obj.label))
repo.purge_object(obj.pid, "removing test object")
count += 1
if count:
print "Removed %s test object(s) with pidspace %s" % (count, settings.FEDORA_PIDSPACE)
def summary(request):
'''Postcard summary/about page with information about the postcards and
various entry points for accessing them.'''
# get a list of all the postcards by searching in fedora
# - used to get total count, and to display a random postcard
# NOTE: this may be inefficient when all postcards are loaded; consider caching
repo = Repository()
search_opts = {'relation': settings.RELATION }
postcards = list(repo.find_objects(**search_opts))
count = len(postcards)
# TODO: get categories from fedora collection object
categories = PostcardCollection.get().interp.content.interp_groups
return render_to_response('postcards/index.html', {
'categories' : categories,
'count' : count,
'postcards': postcards,
},
context_instance=RequestContext(request))
