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# ==============================================================================
# Copyright (C) 2019 - Philip Paquette
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
# ==============================================================================
""" SubjectSplit
- Contains utils to retrieve splitted subjects fields
"""
from abc import ABCMeta, abstractmethod
class AbstractStringSplitter(metaclass=ABCMeta):
""" Breaks a string into its components - Generic class """
def __init__(self, string, length):
""" Constructor
:param string: the string to split
:param length: the maximum length of the split
"""
self._input_str = string if isinstance(string, str) else ' '.join(string)
self._parts = [None] * length
self._last_index = 0
self._split()
def __len__(self):
""" Define the length of the split """
return self._last_index
@property
def input_str(self):
""" Return the input string used to build the split """
return self._input_str
@property
def parts(self):
""" Return the array of the parts after split """
return self._parts[:self._last_index]
def join(self):
""" Return the joined parts """
return ' '.join(str(self._parts[:self._last_index]))
@abstractmethod
def _split(self):
""" Build the subject split using it's _input_str """
raise NotImplementedError()
class OrderSplitter(AbstractStringSplitter):
""" Splits an order into its components """
def __init__(self, string):
""" Constructor
:param string: the string to split
"""
self._unit_index = None
self._order_type_index = None
self._supported_unit_index = None
self._support_order_type_index = None
self._destination_index = None
self._via_flag_index = None
super(OrderSplitter, self).__init__(string, 6)
@property
def unit(self):
""" Return the unit of the order """
return self._parts[self._unit_index] if self._unit_index is not None else None
@unit.setter
def unit(self, value):
""" Set the unit of the order and define the index of the part if not already set """
if self._unit_index is None:
self._unit_index = self._last_index
self._last_index += 1
self._parts[self._unit_index] = value
@property
def order_type(self):
""" Return the order_type """
return self._parts[self._order_type_index] if self._order_type_index is not None else None
@order_type.setter
def order_type(self, value):
""" Set the order_type and define the index of the part if not already set """
if self._order_type_index is None:
self._order_type_index = self._last_index
self._last_index += 1
self._parts[self._order_type_index] = value
@property
def supported_unit(self):
""" Return the supported unit of the order """
return self._parts[self._supported_unit_index] if self._supported_unit_index is not None else None
@supported_unit.setter
def supported_unit(self, value):
""" Set the supported unit of the order and define the index of the part if not already set """
if self._supported_unit_index is None:
self._supported_unit_index = self._last_index
self._last_index += 1
self._parts[self._supported_unit_index] = value
@property
def support_order_type(self):
""" Return the support order type of the order """
return self._parts[self._support_order_type_index] if self._support_order_type_index is not None else None
@support_order_type.setter
def support_order_type(self, value):
""" Set the support order_type of the order and define the index of the part if not already set """
if self._support_order_type_index is None:
self._support_order_type_index = self._last_index
self._last_index += 1
self._parts[self._support_order_type_index] = value
@property
def destination(self):
""" Return the destination of the order """
return self._parts[self._destination_index] if self._destination_index is not None else None
@destination.setter
def destination(self, value):
""" Set the destination of the order and define the index of the part if not already set """
if self._destination_index is None:
self._destination_index = self._last_index
self._last_index += 1
self._parts[self._destination_index] = value
@property
def via_flag(self):
""" Return the via_flag keyword of the order """
return self._parts[self._via_flag_index] if self._via_flag_index is not None else None
@via_flag.setter
def via_flag(self, value):
""" Set the via_flag of the order and define the index of the part if not already set """
if self._via_flag_index is None:
self._via_flag_index = self._last_index
self._last_index += 1
self._parts[self._via_flag_index] = value
def _split(self):
""" Build the order split using it's _input_str """
words = self._input_str.strip().split() if isinstance(self._input_str, str) else self._input_str
# [WAIVE]
if len(words) == 1:
self.order_type = words.pop()
return
# [A, LON, H]
# [F, IRI, -, MAO]
# [A, IRI, -, MAO, VIA]
# [A, WAL, S, F, LON]
# [A, WAL, S, F, MAO, -, IRI]
# [F, NWG, C, A, NWY, -, EDI]
# [A, IRO, R, MAO]
# [A, IRO, D]
# [A, LON, B]
# [F, LIV, B]
self.unit = ' '.join([words.pop(0) for _ in range(2)])
self.order_type = words.pop(0)
# [A, IRI, -, MAO]
# [A, IRI, R, MAO]
if self.order_type in '-R':
self.destination = words.pop()
# [A, WAL, S, F, LON]
# [A, WAL, S, F, MAO, -, IRI]
# [F, NWG, C, A, NWY, -, EDI]
elif self.order_type in 'SC':
self.supported_unit = ' '.join([words.pop(0) for i in range(2)])
# [A, WAL, S, F, MAO, -, IRI]
# [F, NWG, C, A, NWY, -, EDI]
if words:
self.support_order_type = words.pop(0)
self.destination = words.pop(0)
# [A, IRI, -, MAO, VIA]
if words and words[-1] == 'VIA':
self.via_flag = words.pop()
class PhaseSplitter(AbstractStringSplitter):
""" Splits a phase into its components """
def __init__(self, string):
""" Constructor
:param string: the string to split
"""
self._season_index = None
self._year_index = None
self._phase_type_index = None
super(PhaseSplitter, self).__init__(string, 3)
@property
def season(self):
""" Return the season of the phase """
return self._parts[self._season_index] if self._season_index is not None else None
@season.setter
def season(self, value):
""" Set the season of the phase and define the index of the part if not already set """
if self._season_index is None:
self._season_index = self._last_index
self._last_index += 1
self._parts[self._season_index] = value
@property
def year(self):
""" Return the year of the phase """
return self._parts[self._year_index] if self._year_index is not None else None
@year.setter
def year(self, value):
""" Set the year of the phase and define the index of the part if not already set """
if self._year_index is None:
self._year_index = self._last_index
self._last_index += 1
self._parts[self._year_index] = value
@property
def phase_type(self):
""" Return the type of the phase """
return self._parts[self._phase_type_index] if self._phase_type_index is not None else None
@phase_type.setter
def phase_type(self, value):
""" Set the type of the phase and define the index of the part if not already set """
if self._phase_type_index is None:
self._phase_type_index = self._last_index
self._last_index += 1
self._parts[self._phase_type_index] = value
def _split(self):
""" Build the phase split using it's _input_str """
self.season = self._input_str[0]
self.year = int(self._input_str[1:-1])
self.phase_type = self._input_str[-1]
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