Geoffrey-Django/DatabaseModels.py

276 lines
9.0 KiB
Python

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 = not session.query(exists().where(type(obj).id == obj.id))
if not ret:
session.add(obj)
session.commit()
except IntegrityError:
raise EntryNameNotUniqueError
except DataError:
raise DatabaseValueError
except:
session.rollback()
def query_by_filter(self, session, obj_type, * args):
filter_value = self.combine_filter(args)
return session.query(obj_type).filter(filter_value).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()
session.commit()
else:
raise DeleteEntryError
session.close()
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")
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",)
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):
return 'Owner: **{}** Tunnel: **{}**'.format(self.owner.name, self.__str__())
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 '<http://24carrotcraft.com:8123/?worldname=season3&mapname=surface&zoom=4&x={}&y=65&z={}>'.\
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())