def get_previous_versions(form_id):
form_ = XFormDeprecated.get(form_id)
if getattr(form_, 'deprecated_form_id', None):
return get_previous_versions(form_.deprecated_form_id) + [form_]
else:
return [form_]
def _handle_id_conflict(instance, attachments):
"""
For id conflicts, we check if the files contain exactly the same content,
If they do, we just log this as a dupe. If they don't, we deprecate the
previous form and overwrite it with the new form's contents.
"""
def _extract_id_from_raw_xml(xml):
# this is the standard openrosa way of doing things
parsed = etree.XML(xml)
meta_ns = "http://openrosa.org/jr/xforms"
val = parsed.find("{%(ns)s}meta/{%(ns)s}instanceID" % \
{"ns": meta_ns})
if val is not None and val.text:
return val.text
# if we get here search more creatively for some of the older
# formats
_PATTERNS = (r"<instanceID>([\w-]+)</instanceID>",
r"<uid>([\w-]+)</uid>",
r"<uuid>([\w-]+)</uuid>")
for pattern in _PATTERNS:
if re.search(pattern, xml):
return re.search(pattern, xml).groups()[0]
logging.error("Unable to find conflicting matched uid in form: %s" % xml)
return ""
conflict_id = _extract_id_from_raw_xml(instance)
# get old document
existing_doc = XFormInstance.get(conflict_id)
# compare md5s
existing_md5 = existing_doc.xml_md5()
new_md5 = hashlib.md5(instance).hexdigest()
# if not same:
# Deprecate old form (including changing ID)
# to deprecate, copy new instance into a XFormDeprecated
if existing_md5 != new_md5:
doc_copy = XFormInstance.get_db().copy_doc(conflict_id)
# get the doc back to avoid any potential bigcouch race conditions.
# r=3 implied by class
xfd = XFormDeprecated.get(doc_copy['id'])
xfd.orig_id = conflict_id
xfd.doc_type=XFormDeprecated.__name__
xfd.save()
# after that delete the original document and resubmit.
XFormInstance.get_db().delete_doc(conflict_id)
return post_xform_to_couch(instance, attachments=attachments)
else:
# follow standard dupe handling
new_doc_id = uid.new()
response, errors = post_from_settings(instance, {"uid": new_doc_id})
if not _has_errors(response, errors):
# create duplicate doc
# get and save the duplicate to ensure the doc types are set correctly
# so that it doesn't show up in our reports
dupe = XFormDuplicate.get(response)
dupe.problem = "Form is a duplicate of another! (%s)" % conflict_id
dupe.save()
return dupe
else:
# how badly do we care about this?
raise CouchFormException("Problem POSTing form to couch! errors/response: %s/%s" % (errors, response))
logging.error("Unable to find conflicting matched uid in form: %s" % xml)
return ""
conflict_id = _extract_id_from_raw_xml(instance)
# get old document
existing_doc = XFormInstance.get(conflict_id)
# compare md5s
existing_md5 = existing_doc.xml_md5()
new_md5 = hashlib.md5(instance).hexdigest()
# if not same:
# Deprecate old form (including changing ID)
# to deprecate, copy new instance into a XFormDeprecated
if existing_md5 != new_md5:
doc_copy = XFormInstance.get_db().copy_doc(conflict_id)
xfd = XFormDeprecated.get(doc_copy['id'])
xfd.orig_id = conflict_id
xfd.doc_type=XFormDeprecated.__name__
xfd.save()
# after that delete the original document and resubmit.
XFormInstance.get_db().delete_doc(conflict_id)
return post_xform_to_couch(instance, attachments=attachments)
else:
# follow standard dupe handling
new_doc_id = uid.new()
response, errors = post_from_settings(instance, {"uid": new_doc_id})
if not _has_errors(response, errors):
# create duplicate doc
# get and save the duplicate to ensure the doc types are set correctly
# so that it doesn't show up in our reports
return ""
conflict_id = _extract_id_from_raw_xml(instance)
# get old document
existing_doc = XFormInstance.get(conflict_id)
# compare md5s
existing_md5 = existing_doc.xml_md5()
new_md5 = hashlib.md5(instance).hexdigest()
# if not same:
# Deprecate old form (including changing ID)
# to deprecate, copy new instance into a XFormDeprecated
if existing_md5 != new_md5:
doc_copy = XFormInstance.get_db().copy_doc(conflict_id)
xfd = XFormDeprecated.get(doc_copy['id'])
xfd.orig_id = conflict_id
xfd.doc_type = XFormDeprecated.__name__
xfd.save()
# after that delete the original document and resubmit.
XFormInstance.get_db().delete_doc(conflict_id)
return post_xform_to_couch(instance, attachments=attachments)
else:
# follow standard dupe handling
new_doc_id = uid.new()
response, errors = post_from_settings(instance,
{"uid": new_doc_id})
if not _has_errors(response, errors):
# create duplicate doc
# get and save the duplicate to ensure the doc types are set correctly
def get_previous_versions(form_id):
form_ = XFormDeprecated.get(form_id)
if getattr(form_, 'deprecated_form_id', None):
return get_previous_versions(form_.deprecated_form_id) + [form_]
else:
return [form_]
