Geoffrey-Django/DatabaseInterface.py

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from DatabaseModels import *
class DatabaseInterface:
def __init__(self, db_engine_arg):
self.database = GeoffreyDatabase(db_engine_arg)
def add_location(self, session, owner, name, x_pos, z_pos, dimension=None):
location = Location(name, x_pos, z_pos, owner, dimension)
self.database.add_object(session, location)
return location
def add_shop(self, session, owner, name, x_pos, z_pos, dimension=None):
shop = Shop(name, x_pos, z_pos, owner, dimension)
self.database.add_object(session, shop)
return shop
def add_tunnel(self, session, owner, color, number, location_name):
if location_name is None:
if len(self.find_tunnel_by_owner(session, owner)):
raise EntryNameNotUniqueError
else:
location = None
else:
try:
location = self.find_location_by_name_and_owner(session, owner, location_name)[0]
except IndexError:
raise LocationLookUpError
tunnel = Tunnel(owner, color, number, location)
self.database.add_object(session, tunnel)
return tunnel
def add_item(self, session, owner, shop_name, item_name, price, amount):
try:
shop = self.find_shop_by_name_and_owner(session, owner, shop_name)
item = ItemListing(item_name, price, amount, shop[0])
self.database.add_object(session, item)
except IndexError:
raise LocationLookUpError
return item
def add_player(self, session, player_name):
try:
player = self.find_player(session, player_name)
except PlayerNotFound:
uuid = grab_UUID(player_name)
try:
player = self.find_player_by_mc_uuid(session, uuid)
except PlayerNotFound:
player = Player(player_name, uuid)
self.database.add_object(session, player)
player.name = player_name
session.commit()
return player
def find_location_by_name(self, session, name):
expr = Location.name.ilike('%{}%'.format(name))
return self.database.query_by_filter(session, Location, expr)
def find_shop_by_name(self, session, name):
expr = Location.name.ilike('%{}%'.format(name))
return self.database.query_by_filter(session, Shop, expr)
def find_location_by_owner(self, session, owner):
expr = Location.owner == owner
return self.database.query_by_filter(session, Location, expr)
def find_shop_by_owner(self, session, owner):
expr = Shop.owner == owner
return self.database.query_by_filter(session, Shop, expr)
def find_location_by_owner_name(self, session, owner_name):
expr = Location.owner.has(Player.name.ilike(owner_name))
return self.database.query_by_filter(session, Location, expr)
def find_shop_by_name_and_owner(self, session, owner, name):
expr = (Shop.owner == owner) & (Shop.name.ilike(name))
return self.database.query_by_filter(session, Shop, expr)
def find_location_by_name_and_owner(self, session, owner, name):
expr = (Location.owner == owner) & (Location.name.ilike(name))
return self.database.query_by_filter(session, Location, expr)
def find_location_around(self, session, x_pos, z_pos, radius, dimension):
dimension_obj = Dimension.str_to_dimension(dimension)
expr = (Location.x < x_pos + radius + 1) & (Location.x > x_pos - radius - 1) & (Location.z < z_pos + radius + 1) \
& (Location.z > z_pos - radius - 1) & (Location.dimension == dimension_obj)
return self.database.query_by_filter(session, Location, expr)
def find_tunnel_by_owner(self, session, owner):
expr = Tunnel.owner == owner
return self.database.query_by_filter(session, Tunnel, expr)
def find_tunnel_by_owner_name(self, session, owner_name):
expr = Tunnel.owner.has(Player.name.ilike(owner_name))
return self.database.query_by_filter(session, Tunnel, expr)
def find_item(self, session, item_name):
expr = ItemListing.name.ilike('%{}%'.format(item_name))
return self.database.query_by_filter(session, ItemListing, expr)
def find_shop_selling_item(self, session, item_name):
listings = self.find_item(session, item_name)
shops = []
for listing in listings:
shops.append(listing.selling_info())
return shops
def find_player(self, session, player_name):
expr = Player.name.ilike(player_name)
try:
player = self.database.query_by_filter(session, Player, expr)[0]
except IndexError:
raise PlayerNotFound
return player
def find_player_by_mc_uuid(self, session, uuid):
expr = Player.id == uuid
try:
player = self.database.query_by_filter(session, Player, expr)[0]
except IndexError:
raise PlayerNotFound
return player
def find_player_by_discord_uuid(self, session, uuid):
expr = Player.discord_uuid == uuid
try:
player = self.database.query_by_filter(session, Player, expr)[0]
except IndexError:
raise PlayerNotFound
return player
def search_all_fields(self, session, search):
loc_string = ''
count = 0
expr = Location.owner.has(Player.name.ilike('%{}%'.format(search))) | Location.name.ilike('%{}%'.format(search))
for loc in self.database.query_by_filter(session, Location, expr):
loc_string = "{}\n{}".format(loc_string, loc)
count += 1
expr = Tunnel.owner.has(Player.name.ilike('%{}%'.format(search))) & Tunnel.location is None
for loc in self.database.query_by_filter(session, Tunnel, expr):
loc_string = "{}\n{}".format(loc_string, loc)
count += 1
if count == 0:
raise LocationLookUpError
else:
return loc_string
def delete_location(self, session, owner, name):
expr = (Location.owner == owner) & (Location.name == name)
self.database.delete_entry(session, Location, expr)
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