from sqlalchemy import Column, Integer, String, ForeignKey, Enum, create_engine, exists from sqlalchemy.orm import relationship, column_property, sessionmaker from sqlalchemy.exc import IntegrityError, DataError from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.sql import expression import enum from difflib import SequenceMatcher from BotErrors import * from MinecraftAccountInfoGrabber import * SQL_Base = declarative_base() def check_similarity(a, b): ratio = SequenceMatcher(None, a, b).ratio() if (ratio > 0.6) or (a[0] == b[0]): return True else: return False class GeoffreyDatabase: def __init__(self, engine_arg): self.engine = create_engine(engine_arg, echo=True, pool_recycle=3600, pool_pre_ping=True) self.Session = sessionmaker(bind=self.engine) SQL_Base.metadata.create_all(self.engine) def clear_all(self, session): session.query(Tunnel).delete() session.query(ItemListing).delete() session.query(Shop).delete() session.query(Location).delete() session.query(Player).delete() session.commit() def add_object(self, session, obj): try: ret = session.query(exists().where(type(obj).id == obj.id)) if ret: session.add(obj) session.commit() except IntegrityError: session.rollback() raise EntryNameNotUniqueError except DataError: session.rollback() raise DatabaseValueError except: session.rollback() def query_by_filter(self, session, obj_type, *args, limit=10): filter_value = self.combine_filter(args) return session.query(obj_type).filter(filter_value).limit(limit).all() def delete_entry(self, session, obj_type, * args): filter_value = self.combine_filter(args) entry = session.query(obj_type).filter(filter_value) if entry.first() is not None: entry.delete() else: raise DeleteEntryError session.commit() def print_database(self, session, obj_type): obj_list = session.query(obj_type).all() s = '' for obj in obj_list: s = s + '\n' + obj.id return s def combine_filter(self, filter_value): return expression.and_(filter_value[0]) class TunnelDirection(enum.Enum): North = 'green' East = 'blue' South = 'red' West = 'yellow' def str_to_tunnel_dir(arg): arg = arg.lower() if check_similarity(TunnelDirection.North.value, arg): return TunnelDirection.North elif check_similarity(TunnelDirection.East.value, arg): return TunnelDirection.East elif check_similarity(TunnelDirection.South.value, arg): return TunnelDirection.South elif check_similarity(TunnelDirection.West.value, arg): return TunnelDirection.West else: raise InvalidTunnelError class Dimension(enum.Enum): overworld = 'overworld' nether = 'nether' end = 'end' def str_to_dimension(arg): arg = arg.lower() if check_similarity(Dimension.overworld.value, arg): return Dimension.overworld elif check_similarity(Dimension.nether.value, arg): return Dimension.nether elif check_similarity(Dimension.end.value, arg): return Dimension.end else: raise InvalidDimError class Player(SQL_Base): __tablename__ = 'Players' id = Column(Integer, primary_key=True, autoincrement=True) mc_uuid = Column(String(128)) discord_uuid = Column(String(128)) name = Column(String(128)) locations = relationship("Location", back_populates="owner", lazy='dynamic', cascade="save-update, merge, delete, delete-orphan", single_parent=True) tunnels = relationship("Tunnel", back_populates="owner", lazy='dynamic', cascade="save-update, merge, delete, delete-orphan") def __init__(self, name, discord_id=None): self.mc_uuid = grab_UUID(name) self.discord_uuid = discord_id self.name = name class Tunnel(SQL_Base): __tablename__ = 'Tunnels' id = Column(Integer, primary_key=True, autoincrement=True) tunnel_number = Column(Integer) tunnel_direction = Column(Enum(TunnelDirection)) owner_id = Column(Integer, ForeignKey('Players.id')) owner = relationship("Player", back_populates="tunnels", cascade="save-update, merge, delete") location_id = Column(Integer, ForeignKey('Locations.id', ondelete='CASCADE')) location = relationship("Location", back_populates="tunnel", lazy="joined") def __init__(self, owner, tunnel_color, tunnel_number, location=None): try: self.owner = owner self.location = location self.tunnel_direction = TunnelDirection.str_to_tunnel_dir(tunnel_color) self.tunnel_number = tunnel_number except (ValueError, IndexError): raise TunnelInitError def full_str(self): if self.location is None: string = 'Tunnel: **{}**'.format(self.__str__()) else: string = 'Location: **{}** Tunnel: **{}**'.format(self.location.name, self.__str__()) return string def __str__(self): return '{} {}'.format(self.tunnel_direction.value.title(), self.tunnel_number) class Location(SQL_Base): __tablename__ = 'Locations' id = Column(Integer, primary_key=True) name = Column(String(128), unique=True) x = Column(Integer) z = Column(Integer) tunnel = relationship("Tunnel", uselist=False, cascade="all, delete-orphan") dimension = Column(Enum(Dimension)) owner_id = Column(Integer, ForeignKey('Players.id', ondelete='CASCADE')) owner = relationship("Player", back_populates="locations", cascade="all, delete-orphan", single_parent=True) type = Column(String(128)) __mapper_args__ = { 'polymorphic_on': type, 'polymorphic_identity': 'Location' } def __init__(self, name, x, z, owner, dimension): try: self.name = name self.x = x self.z = z self.owner = owner if self.dimension is not None: self.dimension = self.dimension = Dimension.str_to_dimension(dimension) else: self.dimension = Dimension.overworld except (ValueError, IndexError): raise LocationInitError def dynmap_link(self): return ''.\ format(self.x, self.z) def pos_to_str(self): return '(x= {}, z= {}) in the {}'.format(self.x, self.z, self.dimension.value.title()) def info_str(self): return "Name: **{}**, Type: **{}**, Owner: **{}** Position: **{}**".format(self.name, self.type, self.owner.name, self.pos_to_str()) def full_str(self): return self.__str__() + '\n' + self.dynmap_link() def __str__(self): if self.tunnel is not None: return "{}, Tunnel: **{}**".format(self.info_str(), self.tunnel) else: return self.info_str() class Shop(Location): __tablename__ = 'Shops' shop_id = Column(Integer, ForeignKey('Locations.id', ondelete='CASCADE'), primary_key=True) name = column_property(Column(String(128)), Location.name) inventory = relationship('ItemListing', back_populates='shop', cascade='all, delete-orphan', lazy='dynamic') __mapper_args__ = { 'polymorphic_identity': 'Shop', } def inv_to_str(self): if len(self.inventory.all()) != 0: inv = '\n**Inventory**:' str_format = '{}\n{}' for item in self.inventory: inv = str_format.format(inv, item.listing_str()) return inv else: return '' def full_str(self): return Location.full_str(self) + self.inv_to_str() def __str__(self): return Location.__str__(self) def __init__(self, name, x, z, owner, dimension=None): Location.__init__(self, name, x, z, owner, dimension) class ItemListing(SQL_Base): __tablename__ = 'Items' id = Column(Integer, primary_key=True, autoincrement=True) name = Column(String(128)) price = Column(Integer) amount = Column(Integer) shop_id = Column(Integer, ForeignKey('Shops.shop_id', ondelete='CASCADE')) shop = relationship("Shop", back_populates="inventory", single_parent=True) def __init__(self, name, price, amount, shop): self.name = name self.price = price self.amount = amount self.shop = shop def listing_str(self): return 'Item: **{}**, Price: **{}** for **{}**D'.format(self.name, self.amount, self.price) def __str__(self): return 'Shop: **{}**, {}'.format(self.shop.name, self.listing_str())