def get(handler, response):
user = handler.get_user(required=True)
# get some edits
from_key = handler.request.get('from')
if from_key:
from_edit = Edit.get(from_key)
else:
from_edit = None
if from_edit:
edits = Edit.all().\
filter('author =', user).\
filter('status =', 'open').\
filter('created <=', from_edit.created).\
order('-created').\
fetch(PAGE_SIZE+1)
else:
edits = Edit.all().\
filter('author =', user).\
filter('status =', 'open').\
order('-created').\
fetch(PAGE_SIZE+1)
# for output
response.edits = edits[:PAGE_SIZE]
if len(edits) > PAGE_SIZE:
response.next.url = "%s?from=%s" % (handler.base_path(), edits[PAGE_SIZE].key())
def get(handler, response):
q = handler.request.get('q')
status = handler.request.get('status')
url = handler.request.get('url')
url_sha1 = handler.request.get('url_sha1')
from_key = handler.request.get('from')
to_key = handler.request.get('to')
from_edit, to_edit = None, None
if from_key:
from_edit = Edit.get(from_key)
if to_key:
to_edit = Edit.get(to_key)
if url:
url_sha1 = hashlib.sha1(url.encode('utf8')).hexdigest()
if q:
response.heading = "Edits matching %s" % q
elif url_sha1:
response.heading = "sha1(url) = %s..." % (url_sha1[:6])
elif status == "open":
response.heading = "Open edits"
elif status == "closed":
response.heading = "Closed edits"
else:
response.heading = "All edits"
query = Edit.all()
# filter
if url_sha1:
# check bloom first
if not url_sha1 in get_url_sha1_bloom():
return
# continue with query
query = query.filter('url_sha1 =', url_sha1)
if status:
query = query.filter('status =', status)
if q:
query = query.search(q)
if from_edit:
query = query.filter('created <=', from_edit.created)
if to_edit:
query = query.filter('created >', to_edit.created)
# sort
if to_edit:
query = query.order('created')
else:
query = query.order('-created')
# output
edits = query.fetch(PAGE_SIZE+1)
response.edits = edits[:PAGE_SIZE]
if to_edit:
response.edits.reverse()
if url_sha1 and not edits:
logging.error('bloom false positive %s', url_sha1)
# pagination
query_dict = cgi.parse_qs(os.environ.get('QUERY_STRING'), keep_blank_values=True)
if to_edit: # backward
next_query_dict = query_dict.copy()
next_query_dict.pop("to", None)
next_query_dict["from"] = to_edit.key() # first on next page
response.next.url = '%s?%s' % (handler.base_path(), urllib.urlencode(next_query_dict, doseq=True))
if len(edits) > PAGE_SIZE:
previous_query_dict = query_dict.copy()
previous_query_dict.pop("from", None)
previous_query_dict["to"] = response.edits[0].key() # first on this page
response.previous.url = '%s?%s' % (handler.base_path(), urllib.urlencode(previous_query_dict, doseq=True))
else: # forward
if len(edits) > PAGE_SIZE:
next_query_dict = query_dict.copy()
next_query_dict.pop("to", None)
next_query_dict["from"] = edits[-1].key() # first on next page
response.next.url = '%s?%s' % (handler.base_path(), urllib.urlencode(next_query_dict, doseq=True))
if response.edits and from_edit:
previous_query_dict = query_dict.copy()
previous_query_dict.pop("from", None)
previous_query_dict["to"] = response.edits[0].key() # first on this page
response.previous.url = '%s?%s' % (handler.base_path(), urllib.urlencode(previous_query_dict, doseq=True))
