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39 lines
1.6 KiB
39 lines
1.6 KiB
4 years ago
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from secrets import token_hex
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from json import JSONEncoder
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from sqlalchemy.ext.associationproxy import association_proxy
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from app import db
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from app.models import PlayerFoundObjective, Role
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class Objective(db.Model):
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""" !Always call set_hash after() creating new instance! """
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__tablename__ = 'objective'
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(64))
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game_id = db.Column(db.Integer, db.ForeignKey('game.id'), nullable=False)
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hash = db.Column(db.String(32), unique=True, nullable=False)
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longitude = db.Column(db.Numeric(precision=15, scale=10, asdecimal=False, decimal_return_scale=None)) # maybe check asdecimal and decimal_return_scale later?
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latitude = db.Column(db.Numeric(precision=15, scale=10, asdecimal=False, decimal_return_scale=None))
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objective_found_by = db.relationship(
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'PlayerFoundObjective',
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back_populates='objective',
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cascade='save-update, merge, delete, delete-orphan')
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found_by = association_proxy('objective_found_by', 'player',
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creator=lambda player: PlayerFoundObjective(player=player))
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def set_hash(self):
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self.hash = token_hex(16)
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def owned_by(self, player):
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'''given player is an owner of a game object is part of'''
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return player in [gameplayer.player for gameplayer in self.game.game_players if gameplayer.role == Role.owner]
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class ObjectiveMinimalEncoder(JSONEncoder):
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def default(self, objective):
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return {
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'name' : objective.name,
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'hash' : objective.hash,
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'longitude' : objective.longitude,
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'latitude' : objective.latitude
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}
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