def resource(request, ref=None):
saved = False # set saved to false until post is successful
uri = Namespace("http://data.library.oregonstate.edu/person/")[ref]
data = ''
# deal with updates if this is a form submit
if request.method == 'POST':
# get data to delete
resource = queryManager.describe(uri)
try:
resource = resource
except:
resource = {}
# get form data and put it in a dict
resForm = ResourceForm(request.POST)
VariantFormSet = formset_factory(VariantForm)
varForm = VariantFormSet(request.POST)
if resForm.is_valid() and varForm.is_valid():
data = {
'res': resForm.cleaned_data,
'var': varForm.cleaned_data
}
saved = processForm(uri, data, resource)
# if the uri exists, try to describe it and build an edit form
# retrieving data again if we just processed a form
resource = queryManager.describe(uri)
if resource:
forms = buildForm(resource)
else:
#TODO: return a useful error
return HttpResponse("resource not found", status=404)
return render_to_response("resource.tpl", {'uri': str(uri), 'short': uri.split('/')[-1], 'res': resource, 'form': forms['form'], 'variants': forms['variants'], 'saved': saved, 'data': resource})
def new(request, ref=None):
uriNeeded = True
while uriNeeded == True:
# assign an identifier
identifier = pynoid.mint('zeek', random.randint(0, 100000))
uri = Namespace("http://data.library.oregonstate.edu/person/")[identifier]
uriNeeded = queryManager.ask(uri) # if this identifier is already in use, let's get another one
forms = buildForm()
return render_to_response("resource.tpl", {'uri': str(uri), 'short': uri.split('/')[-1], 'res': {}, 'form': forms['form'], 'variants': forms['variants']})
def merge(request, uriMerge=None, uriTarget=None):
uriMerge = Namespace("http://data.library.oregonstate.edu/person/")[uriMerge]
uriTarget = Namespace("http://data.library.oregonstate.edu/person/")[uriTarget]
merge = queryManager.describe(uriMerge)
target = queryManager.describe(uriTarget)
if request.method == 'POST':
sameAs = "INSERT DATA {<" + uriMerge + "> owl:sameAs <" + uriTarget + "> .}"
queryManager.update(sameAs)
# get form data and put it in a dict
resForm = ResourceForm(request.POST)
VariantFormSet = formset_factory(VariantForm)
varForm = VariantFormSet(request.POST)
if resForm.is_valid() and varForm.is_valid():
data = {
'res': resForm.cleaned_data,
'var': varForm.cleaned_data
}
saved = processForm(uriTarget, data, resource)
# these labels will be merged into the target as skos:hiddenLabel
#TODO: exclude duplicate names
mergeLabels = [str(ns['skos']['prefLabel']), str(ns['skos']['altLabel']), str(ns['skos']['hiddenLabel']), str(ns['foaf']['name'])]
for field in merge:
if field in mergeLabels:
for value in merge[field]:
if str(ns['skos']['hiddenLabel']) in target:
target[str(ns['skos']['hiddenLabel'])].append(value)
else:
target[str(ns['skos']['hiddenLabel'])] = merge[field]
#TODO: mark old record for deletion
# do this with a hidden form?
forms = buildForm(target)
data = target
return render_to_response("merge.tpl", {'uriMerge': str(uriMerge), 'uri': str(uriTarget), 'mergeShort': uriMerge.split('/')[-1], 'short': uriTarget.split('/')[-1], 'res': target, 'form': forms['form'], 'variants': forms['variants']})
