def post(self):
ret = { 'status': 'error', 'message': '', 'task_id': '', }
user = self.get_mdb_user()
if not user:
ret['message'] = "<strong>FATAL</strong> (FileSaveHandler): no user ?!"
else:
from main.tasks import save_node
try:
node = get_node_by_path(user, self.get_argument('db_path'))
yield gen.Task(save_node,
node.id, self.get_argument('content'))
except Exception, e:
ret['message'] = "<strong>FATAL</strong>(save.save_node): %s" % e
else:
def save(request):
"""
Update dropbox file and its local copy with new content
"""
ret = { 'status': 'error', 'message': '', 'task_id': '', }
if request.method == 'POST' and request.user:
try:
user = MDBUser.objects.get(username=request.user.username)
except Exception, e:
ret['message'] = "<strong>FATAL</strong>(save.user): %s" % e
else:
try:
node = get_node_by_path(user, request.POST['db_path'])
from main.tasks import save_node
save_node(node.id, request.POST['content'])
except Exception, e:
ret['message'] = "<strong>FATAL</strong>(save.save_node): %s" % e
else:
def process_web_action(user, request, callback=None):
"""
Execute requested action for user
Arguments:
user: user to execute the action for
request:
['filename']: user specified filename, passed from modal dialog
['db_path']: path of tree element, which was selected in UI
['db_dir_path']: parent dir for tree element, which was selected in UI
['action']: the actual action to perform
NOTE: not all request fields are used in every action
"""
try:
# User entered file or dir name
filename = request['filename']
# Selected node
node = None
if request['db_path']:
node = get_node_by_path(user, request['db_path'])
# Selected node's parent dir
node_dir = None
if request['db_dir_path']:
db_dir_path = request['db_dir_path']
if db_dir_path != '/':
db_dir_path = db_dir_path.rstrip('/')
node_dir = get_node_by_path(user, db_dir_path)
# Perform requested action
action = request['action']
if action == 'remove_file':
if not node.is_file:
raise MDBException("ERROR: remove_file: '%s' is not a file ?!" %
(node.db_path, ))
if django_settings.ASYNC_DROPBOX:
yield gen.Task(remove_node_as_file,
node.id)
else:
remove_node_as_file(node.id)
elif action == 'remove_subdir':
if node.is_file:
raise MDBException("ERROR: remove_subdir(): '%s' is not a dir ?!" %
(node.db_path, ))
if django_settings.ASYNC_DROPBOX:
yield gen.Task(remove_node_as_dir,
node.id)
else:
remove_node_as_dir(node.id)
elif action == 'rename_file':
if not node.is_file:
raise MDBException("ERROR: rename_file(): '%s' is not a file ?!" %
(node.db_path, ))
if django_settings.ASYNC_DROPBOX:
yield gen.Task(rename_node,
node.id, filename)
else:
rename_node(node.id, filename)
elif action == 'rename_subdir':
# Sanity check
if node.db_path == "/":
raise MDBException("ERROR: rename_subdir(): Can't rename root !")
if node.is_file:
raise MDBException("ERROR: rename_subdir(): '%s' is not a dir ?!" %
(node.db_path, ))
if django_settings.ASYNC_DROPBOX:
yield gen.Task(rename_node,
node.id, filename)
else:
rename_node(node.id, filename)
elif action == 'add_file':
# TODO: get default content from folder settings (Meta-Data)
if django_settings.ASYNC_DROPBOX:
yield gen.Task(create_new_file,
node_dir.id, filename, " ")
else:
create_new_file(node_dir.id, filename, " ")
elif action == 'add_subdir':
if django_settings.ASYNC_DROPBOX:
yield gen.Task(create_new_dir,
node_dir.id, filename)
else:
create_new_dir(node_dir.id, filename)
elif action == 'reset':
MDBUser.objects.filter(pk=user.pk).update(
token_string = "",
auth_token = "",
task_id = "",
)
else:
raise MDBException('ERROR: invalid action (%s)' % (action, ))
finally:
if callback: callback()
def sync_dir_from_dropbox(node_id, use_ust=True, callback=None):
"""
Sync dir which was updated on dropbox
The whole dir is checked for added/removed files and dirs and each entry
is updated using appropriate method
Arguments:
node_id: updated dir
use_ust: if True, process remove in User Synchronous mode
"""
node, db_sess = _get_node(node_id)
if use_ust:
if django_settings.ASYNC_DROPBOX:
yield gen.Task(async_ust_start, node.user)
else:
ust_start(node.user)
# We need to try/except the whole block to make sure
# that we call ust_end() before leaving the method
try:
if django_settings.ASYNC_DROPBOX:
resp = yield gen.Task(db_sess.dir_changed,
node.db_path, node.hash)
else:
resp = db_sess.dir_changed(node.db_path, node.hash)
if not resp:
l.info("sync_DIR_FROM_dropbox: '%s':'%s' skipping (same hash)" %\
(node.user.username, node.db_path, ))
else:
# User may want to know that this dir was updated
append_to_changes_list(node.user, node.db_path)
# Retrieve list of files and dirs from dropbox for given directory
if django_settings.ASYNC_DROPBOX:
file_dicts = yield gen.Task(db_sess.get_files_as_dicts,
node.db_path)
else:
file_dicts = db_sess.get_files_as_dicts(node.db_path)
if file_dicts:
yield_keys = []
# Check each file in directory for updates
# We go through OUR file list and compare each file's
# .last_modified date with the one in matching dropbox file
for child in node.get_children():
if not child.is_file:
continue
file_dict = dicts_find(file_dicts, child.db_path)
if file_dict and dict_last_modified(file_dict) > child.last_modified:
# File in dropbox was changed: remember new mod date and sync it
MDBTree.objects.filter(pk=child.pk).update(
last_modified = dict_last_modified(file_dict),
)
if django_settings.ASYNC_DROPBOX:
yield_key = object()
yield_keys.append(yield_key)
local_callback = (yield gen.Callback(yield_key))
else:
local_callback = None
sync_file_from_dropbox(child.id, use_ust=False, callback=local_callback)
# Wait for all add_file_from_dropbox() to complete
if django_settings.ASYNC_DROPBOX and yield_keys:
yield gen.WaitAll(yield_keys)
# Get only list of files as a set
# And see what's new/missing
db_files = set(dicts_to_paths(file_dicts, files_only=True))
if db_files:
# Get list of files in dir from database
known_files = set(node.get_paths('FILES'))
yield_keys = []
# Add new files from dropbox to our database
for new_file in db_files - known_files:
if new_file != '':
db_last_modified =\
dict_last_modified(dicts_find(file_dicts, new_file))
if django_settings.ASYNC_DROPBOX:
yield_key = object()
yield_keys.append(yield_key)
local_callback = (yield gen.Callback(yield_key))
else:
local_callback = None
add_file_from_dropbox(node.id, new_file, db_last_modified, use_ust=False,
callback=local_callback)
# Wait for all add_file_from_dropbox() to complete
if django_settings.ASYNC_DROPBOX and yield_keys:
yield gen.WaitAll(yield_keys)
# Remove files deleted from dropbox from our database
for missing_file in known_files - db_files:
if missing_file != '':
missing_node = get_node_by_path(node.user, missing_file)
# Only remove it from our database and server
if django_settings.ASYNC_DROPBOX:
yield_key = object()
remove_node_as_file(missing_node.id, skip_dropbox=True, use_ust=False,
callback=(yield gen.Callback(yield_key)))
yield gen.Wait(yield_key)
else:
remove_node_as_file(missing_node.id, skip_dropbox=True, use_ust=False)
# Get only list of dirs as a set
# And see what's new/missing
db_dirs = set(dicts_to_paths(file_dicts, dirs_only=True))
yield_keys = []
if db_dirs:
# Get list of dirs in dir from database
known_dirs = set(node.get_paths('DIRS'))
# Add new dirs from dropbox to our database
for new_dir in db_dirs - known_dirs:
if new_dir != '':
if django_settings.ASYNC_DROPBOX:
yield_key = object()
yield_keys.append(yield_key)
local_callback = (yield gen.Callback(yield_key))
else:
local_callback = None
add_dir_from_dropbox(node.id, new_dir, use_ust=False, callback=local_callback)
#ust_store_id(async_res.task_id, node.user)
# Wait for all add_dir_from_dropbox() to complete
if django_settings.ASYNC_DROPBOX and yield_keys:
yield gen.WaitAll(yield_keys)
# Remove dirs, which are missing from dropbox from our database
for missing_dir in known_dirs - db_dirs:
if missing_dir != '' and missing_dir != '/' :
missing_node = get_node_by_path(node.user, missing_dir)
# Only remove it from our database and server
if django_settings.ASYNC_DROPBOX:
yield_key = object()
remove_node_as_dir(missing_node.id, skip_dropbox=True, use_ust=False,
callback=(yield gen.Callback(yield_key)))
yield gen.Wait(yield_key)
else:
remove_node_as_dir(missing_node.id, skip_dropbox=True, use_ust=False)
# Save new hash for future checks
MDBTree.objects.filter(pk=node.pk).update(
hash = resp['hash'],
last_synced = datetime.utcnow(),
)
except Exception, e:
l.error("sync_DIR_FROM_dropbox: '%s':'%s' (%s)" %\
(node.user.username, node.db_path, e, ))
raise MDBException("ERROR: "+e.message)
