forked from c0de/BaseballBot
97 lines
3.4 KiB
Python
97 lines
3.4 KiB
Python
from copy import deepcopy
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from sqlalchemy.sql.expression import and_
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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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import datetime
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PLAY_ID = 'play_id'
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PITCH_VALUE = 'pitch_value'
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CREATION_DATE = 'creation_date'
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SERVER_ID = 'server_id'
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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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_database_session = None
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def __init__(self):
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self._database_session = DatabaseSession()
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def insert(self, play_info):
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session = self._database_session.get_or_create_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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creation_date = play_info[CREATION_DATE],
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server_id = play_info[SERVER_ID]
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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 = self._database_session.get_or_create_session()
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return self.__convert_all__(session.query(Play).filter(Play.play_id == input_id))
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def get_all_plays_after(self, timestamp, input_server_id):
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session = self._database_session.get_or_create_session()
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return self.__convert_all__(session.query(Play).filter(and_(Play.server_id == str(input_server_id), Play.creation_date > timestamp)))
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def get_all_plays_on_server(self, input_server_id, earliest_timestamp):
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session = self._database_session.get_or_create_session()
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converted_datetime = datetime.datetime.fromtimestamp(earliest_timestamp / 1000.0)
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return self.__convert_all__(session.query(Play).filter(and_(Play.server_id == str(input_server_id), Play.creation_date > converted_datetime)))
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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, server_id):
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return self.get_active_play(server_id) != None
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def get_active_play(self, input_server_id):
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session = self._database_session.get_or_create_session()
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plays = self.__convert_all__(session.query(Play).filter(and_(Play.pitch_value == None, Play.server_id == str(input_server_id))))
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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_server_id):
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session = self._database_session.get_or_create_session()
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active_id = self.get_active_play(input_server_id)
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session\
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.query(Play)\
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.filter(and_(Play.pitch_value == None, Play.server_id == str(input_server_id)))\
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.update({Play.pitch_value: input_pitch})
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session.commit()
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return active_id
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def refresh(self):
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self._database_session.__create_new_session__() # I know, I know. It's fine.
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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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