def _insert_or_replace_apartment_parse(self, command, command_type):
"""
Protected parse method for insert and replace
Input:
command - the user command
command_type - the command_type, can be insert or replace
Return:
True on valid and False otherwise
Raises:
Exception on invalid command_type
"""
self.set_command(command)
# get the correct pattern
if command_type is "insert":
pattern = self._regex_search(self._PATTERN_INSERT)
if not pattern:
UI.set_message(UI.get_error("insert <amount>, <expense_type> at <apartment_id>"))
return False
elif command_type is "replace":
pattern = self._regex_search(self._PATTERN_REPLACE)
if not pattern:
UI.set_message(UI.get_error("replace <amount>, <expense_type> at <apartment_id>"))
return False
else:
raise Exception("command type is incorrect")
# get the data
amount = pattern.group(1)
expense_type = pattern.group(2)
apartment_id = pattern.group(3)
# wrong type
if not Apartment.is_expense_type(expense_type):
UI.set_message(UI.get_error_types())
return False
if command_type is "insert":
# apartment does exist in the list
if self.is_apartment(apartment_id):
UI.set_message("Apartment " + apartment_id + " does exist in the list. "
"Use this command to replace: replace " + amount + ", " +
expense_type + " at " + apartment_id)
return False
elif command_type is "replace":
# apartment does not exist in the list
if not self.is_apartment(apartment_id):
UI.set_message("Apartment " + apartment_id + " does not exist in the list. "
"Use this command to add: insert " + amount + ", " +
expense_type + " at " + apartment_id)
return False
# all good
self._parsed_command = {"type": expense_type, "amount": amount, "id": apartment_id}
return True
def list_greater_than_parse(self, command):
"""
Parses and validates the 'list greater than' command
Input:
command - the user command
Return:
True on valid and False otherwise
"""
# list greater than <amount>
self.set_command(command)
pattern_greater = self._regex_search(self._PATTERN_LIST_GREATER)
if pattern_greater:
greater = pattern_greater.group(1)
self._parsed_command = {"greater": greater}
return True
UI.set_message(UI.get_error("list greater than <amount>"))
return False
def remove_apartment_parse(self, command):
"""
Parses and validates the remove command
Input:
command - the user command
Return:
True on valid and False otherwise
"""
self.set_command(command)
# first case by apartment id
pattern_remove_by_id = self._regex_search(self._PATTERN_REMOVE_BY_ID)
if pattern_remove_by_id:
apartment_id = pattern_remove_by_id.group(1)
if not self.is_apartment(apartment_id):
UI.set_message(
"Apartment " + apartment_id + " does not exist in this list so all the expenses are by default 0")
return False
self._parsed_command = {"id": apartment_id}
return True
# second case remove from interval
pattern_remove_by_interval = self._regex_search(self._PATTERN_REMOVE_BY_INTERVAL)
if pattern_remove_by_interval:
id_min = pattern_remove_by_interval.group(1)
id_max = pattern_remove_by_interval.group(2)
self._parsed_command = {"id_min": id_min, "id_max": id_max}
return True
# third case by type
pattern_remove_by_type = self._regex_search(self._PATTERN_REMOVE_BY_TYPE)
if pattern_remove_by_type:
expense_type = pattern_remove_by_type.group(1)
if not Apartment.is_expense_type(expense_type):
UI.set_message(UI.get_error_types())
return False
self._parsed_command = {"type": expense_type}
return True
UI.set_message(UI.get_error("remove <apartment_id> \n\tremove from 5 to 10 \n\tremove type"))
return False
def list_less_than_parse(self, command):
"""
Parses and validates the 'list less than' command
Input:
command - the user command
Return:
True on valid and False otherwise
"""
# less than <amount> before <id>
self.set_command(command)
pattern_less = self._regex_search(self._PATTERN_LIST_LESS)
if pattern_less:
less = pattern_less.group(1)
upper_id_limit = pattern_less.group(2)
self._parsed_command = {"less": less, "upper_id_limit": upper_id_limit}
return True
UI.set_message(UI.get_error("list less than <amount> before <apartment_id>"))
return False
def stat_max_apartment_parse(self, command):
"""
Parses and validates the 'max id' command
Input:
command - the user command
Return:
True on valid and False otherwise
"""
self.set_command(command)
# max <id>
pattern_max = self._regex_search(self._PATTERN_STAT_MAX_APARTMENT)
if pattern_max:
apartment_id = pattern_max.group(1)
if not self.is_apartment(apartment_id):
UI.set_message("Apartment " + apartment_id + " does not exist in the list")
return False
self._parsed_command = {"id": apartment_id}
return True
UI.set_message(UI.get_error("max <apartment_number>"))
return False
def stat_total_type_parse(self, command):
"""
Parses and validates the 'sum type' command
Input:
command - the user command
Return:
True on valid and False otherwise
"""
self.set_command(command)
# sum <type>
pattern_sum = self._regex_search(self._PATTERN_STAT_TOTAL_TYPE)
if pattern_sum:
expense_type = pattern_sum.group(1)
if not Apartment.is_expense_type(expense_type):
UI.set_message(UI.get_error_types())
return False
self._parsed_command = {"expense_type": expense_type}
return True
UI.set_message(UI.get_error("sum <type>"))
return False
def list_total_apartment_parse(self, command):
"""
Parses and validates the 'list total' command
Input:
command - the user command
Return:
True on valid and False otherwise
"""
self.set_command(command)
# sold|total <apartment_number>
pattern_total = self._regex_search(self._PATTERN_LIST_TOTAL_APARTMENT)
if pattern_total:
apartment_id = pattern_total.group(1)
if not self.is_apartment(apartment_id):
UI.set_message("Apartment " + apartment_id + " does not exist in the list")
return False
self._parsed_command = {"id": apartment_id}
return True
UI.set_message(UI.get_error("list total <apartment_id>"))
return False
def list_by_type_parse(self, command):
"""
Parses and validates the list command
Input:
command - the user command
Return:
True on valid and False otherwise
"""
self.set_command(command)
# list <type>
pattern_type = self._regex_search(self._PATTERN_LIST_BY_TYPE)
if pattern_type:
expense_type = pattern_type.group(1)
if not Apartment.is_expense_type(expense_type):
UI.set_message(UI.get_error_types())
return False
self._parsed_command = {"expense_type": expense_type}
return True
UI.set_message(UI.get_error("list <expense_type>"))
return False
