class ServerCommand(object):
""" Manages the server related tasks
"""
def __init__(self):
self.server_data = ServerDataAccess()
self.current_user = ''
""" Initialize the server statistics document
"""
def stats_init(self):
self.server_data.create_server_statistics()
def change_volume(self, volume=None):
if volume:
if self.is_number(volume):
numeric_volume = re.sub("[^0-9]", "", volume)
else:
volume_delta = self.count_volume_delta(volume)
numeric_volume = float(self.server_data.get_volume()['volume']) + volume_delta
if numeric_volume:
new_volume = int(numeric_volume)
resp = change_volume(new_volume)
# Set the server volume in the server stats document for easier retrieval
if "Set Volume:" in resp:
self.server_data.set_volume(new_volume)
else:
resp = "Volume is {0}".format(self.server_data.get_volume()['volume'])
return resp
def get_server_status(self):
return self.server_data.get_server_status()
def set_server_status(self, status):
return self.server_data.set_server_status(status)
@staticmethod
def is_number(s):
try:
float(s)
return True
except ValueError:
return False
@staticmethod
def count_volume_delta(strVol):
delta = 0
for ch in strVol:
if ch == '+':
delta += 3
elif ch == '-':
delta -= 3
elif ord(ch) == 8212: # em-dash
delta -= 6
return delta
