class PathManager(object):
"""
Handles operations concerning Paths
"""
def __init__(self):
self.rd_baker = ResourceDataBaker()
self.PostMan = PostMan()
def channel_get_on_path(self, req_path, terms):
"""
Channel get on path request to the manager responsible
Args:
@param req_path: Address to which this post request was sent
@param terms: Data provided for filtering
"""
locations = list()
#Step[1]: get the necessary data from DB
occi_loc = self.rd_baker.bake_to_get_on_path()
if terms is "":
#Step[2a]: Get on path without filtering
if occi_loc is None:
return "An error has occurred, please check log for more details", return_code['Internal Server Error']
else:
for str_loc in occi_loc:
if str_loc.find(req_path) is not -1:
locations.append(str_loc)
logger.debug("===== Channel_get_on_Path: Finished with success ===== ")
return locations, return_code['OK']
else:
#Step[2b]: Get on path with filtering
for str_loc in occi_loc:
if str_loc.endswith("/") is False and str_loc.find(req_path) is not -1:
locations.append(str_loc)
descriptions = self.rd_baker.bake_to_get_on_path_filtered(locations)
if descriptions is None:
return "An error has occurred, please check log for more details", return_code['Internal Server Error']
else:
if terms.has_key('resources'):
result_res, resp_code_r = get_filtered(terms['resources'], descriptions)
else:
result_res = list()
resp_code_r = return_code['OK']
if terms.has_key('links'):
result_link, resp_code_l = get_filtered(terms['links'], descriptions)
else:
result_link = list()
resp_code_l = return_code['OK']
if resp_code_l is not return_code['OK'] or resp_code_r is not return_code['OK']:
return "An error has occurred, please check logs for more details", return_code[
'Internal Server Error']
result = result_res + result_link
logger.debug("===== Channel_get_on_Path: Finished with success ===== ")
return result, return_code['OK']
def channel_delete_on_path(self, req_path):
"""
Channel the delete resources request to the path manager
Args:
@param req_path: Address to which this post request was sent
"""
occi_loc,doc_loc = self.rd_baker.bake_to_delete_on_path()
if occi_loc is None or doc_loc is None:
return "An error has occurred, please check log for more details", return_code['Internal Server Error']
else:
to_delete = list()
for i in range(len(occi_loc)):
str_loc = str(occi_loc[i])
if str_loc.find(req_path) is not -1:
to_delete.append(doc_loc[i])
self.PostMan.delete_entities_in_db(to_delete)
logger.debug("===== Channel Delete on Path: Finished with success =====")
return "", return_code['OK']
