def initIndexesForm(request):
"""
DocumentIndexForm/DocumentSearchForm initialization
in case of GET returns an empty base form,
in case of POST returns populated (from request) form instance.
in both cases form is rendered with MDT index fields
@param request: is a Django request object
"""
details = None
search = determine_search_req(request)
try:
# Try to use cached MDT's
details = request.session['mdts']
except KeyError:
if search:
session_var = 'search_docrule_id'
else:
session_var = 'indexing_docrule_id'
# Get MDT's from CouchDB
try:
details = get_mdts_for_docrule(request.session[session_var])
# Store MDT's into improvised cache
request.session['mdts'] = details
except KeyError:
pass
initial_data = {}
if not search:
if 'document_keys_dict' in request.session.iterkeys():
initial_data = request.session['document_keys_dict']
# Selecting form depending on request type
if search:
form = DocumentSearchOptionsForm()
else:
form = DocumentIndexForm()
if details and not details == 'error':
# MDT's exist for ths docrule adding fields to form
if search:
fields = render_fields_from_docrules(details, request.POST or None, search=True)
else:
fields = render_fields_from_docrules(details, request.POST or None)
if fields:
form.setFields(fields)
if request.POST:
# Populating ata into form for POST data
form.setData(request.POST)
elif initial_data:
# Populating initial data for partially proper form rendering
form.populateFormSecondary(initial_data)
form.validation_ok()
return form
def initEditIndexesForm(request, doc, given_indexes=None):
"""
Edit form creating with population from existing document
Inherits initIndexesForm with faking it's data to be rendered properly
"""
initial_indexes = None
docrule_id = str(doc.get_docrule().id)
POST = request.POST
# TODO: cashe MDTS
mdts = get_mdts_for_docrule(docrule_id)
# Faking POST request to populate from with initial indexes properly
if not POST:
# Constructing form indexes from previous data or doc metadata
if given_indexes or doc.db_info:
initial_indexes = construct_edit_indexes_data(mdts, given_indexes or doc.db_info)
# Converting dates into strings if relevant.
for key, value in initial_indexes.iteritems():
# Metaclass based conversions to
if value.__class__.__name__ == 'datetime':
initial_indexes[key] = value.strftime(settings.DATE_FORMAT)
request.POST = initial_indexes
form = EditDocumentIndexForm()
if mdts and not mdts == 'error':
# MDT's exist for this docrule adding fields to form
fields = render_fields_from_docrules(mdts, request.POST or None)
if fields:
form.setFields(fields)
if not POST:
form.setData(initial_indexes)
# TODO: test validation working here, if relevant
else:
form.setData(POST)
form.validation_ok()
return form
def initEditIndexesForm(request, doc, given_indexes=None):
"""
Edit form creating with population from existing document
Inherits initIndexesForm with faking it's data to be rendered properly
@param request: is a Django request object
@param doc: is a DMS Object() instance
@param given_indexes: is a set of indexes to populate for upon initializations.
e.g. instantiate form with provided data instead of empty fields.
"""
initial_indexes = None
docrule_id = str(doc.get_docrule().id)
POST = request.POST
# TODO: cashe MDTS
mdts = get_mdts_for_docrule(docrule_id)
# Faking POST request to populate from with initial indexes properly
if not POST:
# Constructing form indexes from previous data or doc metadata
if given_indexes or doc.db_info:
initial_indexes = construct_edit_indexes_data(mdts, given_indexes or doc.db_info)
# Converting dates into strings if relevant.
for key, value in initial_indexes.iteritems():
# Metaclass based conversions to
if value.__class__.__name__ == 'datetime':
initial_indexes[key] = value.strftime(settings.DATE_FORMAT)
request.POST = initial_indexes
form = EditDocumentIndexForm()
if mdts and not mdts == 'error':
# MDT's exist for this docrule adding fields to form
fields = render_fields_from_docrules(mdts, request.POST or None)
if fields:
form.setFields(fields)
if not POST:
form.setData(initial_indexes)
# TODO: test validation working here, if relevant
else:
form.setData(POST)
form.validation_ok()
return form
