82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
from sqlalchemy import Column, Integer, String, ForeignKey, Boolean, DateTime, JSON, Enum as SQLEnum, func
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from sqlalchemy.orm import relationship
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from crudkit.core.base import CRUDMixin, Base
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from enum import Enum
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class ObjectType(str, Enum):
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ROOM = "room"
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THING = "thing"
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EXIT = "exit"
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PLAYER = "player"
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PROGRAM = "program"
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TYPE_SUFFIXES = {
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ObjectType.ROOM: "R",
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ObjectType.EXIT: "E",
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ObjectType.PLAYER: "P",
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ObjectType.PROGRAM: "F",
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ObjectType.THING: "",
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}
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class Dbref(Base, CRUDMixin):
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__tablename__ = "dbref"
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type = Column(SQLEnum(ObjectType, name="object_type_enum"), nullable=False)
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name = Column(String, nullable=False)
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props = Column(JSON, nullable=False, default={})
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is_deleted = Column(Boolean, nullable=False, default=False)
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last_used = Column(DateTime, nullable=False, default=func.now())
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use_count = Column(Integer, nullable=False, default=0)
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location_id = Column(Integer, ForeignKey("dbref.id"), nullable=False)
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location = relationship("Dbref", remote_side=[CRUDMixin.id], foreign_keys=[location_id], back_populates="contents")
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contents = relationship("Dbref", backref="location", foreign_keys=location_id)
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exits = relationship("Exit", backref="source", foreign_keys=location_id)
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owner_id = Column(Integer, ForeignKey("dbref.id"), nullable=False)
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owner = relationship("Player", remote_side=[CRUDMixin.id], foreign_keys=[owner_id])
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creator_id = Column(Integer, ForeignKey("dbref.id"), nullable=False)
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creator = relationship("Player", remote_side=[CRUDMixin.id], foreign_keys=[creator_id])
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modifier_id = Column(Integer, ForeignKey("dbref.id"), nullable=False)
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modifier = relationship("Player", remote_side=[CRUDMixin.id], foreign_keys=[modifier_id])
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last_user_id = Column(Integer, ForeignKey("dbref.id"), nullable=False)
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last_user = relationship("Player", remote_side=[CRUDMixin.id], foreign_keys=[last_user_id])
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__mapper_args__ = {
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"polymorphic_on": type,
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"polymorphic_identity": "dbref"
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}
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def __str__(self):
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suffix = TYPE_SUFFIXES.get(self.type, "")
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return f"#{self.id}{suffix}"
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def __repr__(self):
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suffix = TYPE_SUFFIXES.get(self.type, "")
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return f"<Dbref #{self.id}{suffix}>"
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def is_type(self, *types: ObjectType) -> bool:
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return self.type in types
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def display_type(self) -> str:
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return self.type.value.upper()
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@property
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def is_room(self): return self.is_type(ObjectType.ROOM)
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@property
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def is_thing(self): return self.is_type(ObjectType.THING)
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@property
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def is_exit(self): return self.is_type(ObjectType.EXIT)
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@property
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def is_player(self): return self.is_type(ObjectType.PLAYER)
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@property
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def is_program(self): return self.is_type(ObjectType.PROGRAM)
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