80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
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from copy import deepcopy
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from src.main.db_session import DatabaseSession
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from src.main.database_module.database_classes.db_classes import Play
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PLAY_ID = 'play_id'
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PITCH_VALUE = 'pitch_value'
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SWING_VALUE = 'swing_value'
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CREATION_DATE = 'creation_date'
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class PlayDAO():
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db_string = None
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session = None
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Session = None
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engine = None
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def __init__(self):
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pass
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def insert(self, play_info):
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session = DatabaseSession.session
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play = Play(
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play_id = play_info[PLAY_ID],
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pitch_value = play_info[PITCH_VALUE] if PITCH_VALUE in play_info else None,
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swing_value = play_info[SWING_VALUE] if SWING_VALUE in play_info else None,
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creation_date = play_info[CREATION_DATE]
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)
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session.add(play)
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session.commit()
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def get_play_by_id(self, input_id):
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session = DatabaseSession.session
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return self.__convert_all__(session.query(Play).filter(Play.play_id == input_id))
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'''
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Checks to see if there is a play that is currently active or not
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'''
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def is_active_play(self):
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return self.get_active_play() != None
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def get_active_play(self):
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session = DatabaseSession.session
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plays = self.__convert_all__(session.query(Play).filter(Play.pitch_value == None))
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if len(plays) > 1:
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raise AssertionError("More than one active play! Can't continue!")
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elif len(plays) == 0:
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return None
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else:
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return plays[0]
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def resolve_play(self, input_pitch, input_swing):
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session = DatabaseSession.session
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active_id = self.get_active_play()
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session\
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.query(Play)\
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.filter(Play.pitch_value == None)\
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.update({Play.pitch_value: input_pitch, Play.swing_value: input_swing})
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session.commit()
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return active_id
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'''
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Converts the database object into a Dictionary, so that the database object is not passed out of the
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datastore layer.
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'''
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def __convert_all__(self, plays):
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converted_plays = []
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for play in plays:
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play_dict = {}
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for column in play.__dict__:
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play_dict[column] = str(getattr(play, column))
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converted_plays.append(deepcopy(play_dict))
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return converted_plays
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