mirror of https://github.com/stijndcl/didier
99 lines
3.2 KiB
Python
99 lines
3.2 KiB
Python
from typing import Optional
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from database.exceptions.constraints import DuplicateInsertException
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from database.exceptions.not_found import NoResultFoundException
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from database.schemas import CustomCommand, CustomCommandAlias
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__all__ = [
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"clean_name",
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"create_alias",
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"create_command",
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"edit_command",
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"get_command",
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"get_command_by_alias",
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"get_command_by_name",
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]
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def clean_name(name: str) -> str:
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"""Convert a name to lowercase & remove spaces to allow easier matching"""
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return name.lower().replace(" ", "")
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async def create_command(session: AsyncSession, name: str, response: str) -> CustomCommand:
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"""Create a new custom command"""
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# Check if command or alias already exists
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command = await get_command(session, name)
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if command is not None:
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raise DuplicateInsertException
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command = CustomCommand(name=name, indexed_name=clean_name(name), response=response)
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session.add(command)
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await session.commit()
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return command
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async def create_alias(session: AsyncSession, command: str, alias: str) -> CustomCommandAlias:
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"""Create an alias for a command"""
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# Check if the command exists
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command_instance = await get_command(session, command)
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if command_instance is None:
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raise NoResultFoundException
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# Check if the alias exists (either as an alias or as a name)
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if await get_command(session, alias) is not None:
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raise DuplicateInsertException
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alias_instance = CustomCommandAlias(alias=alias, indexed_alias=clean_name(alias), command=command_instance)
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session.add(alias_instance)
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await session.commit()
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return alias_instance
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async def get_command(session: AsyncSession, message: str) -> Optional[CustomCommand]:
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"""Try to get a command out of a message"""
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# Search lowercase & without spaces
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message = clean_name(message)
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return (await get_command_by_name(session, message)) or (await get_command_by_alias(session, message))
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async def get_command_by_name(session: AsyncSession, message: str) -> Optional[CustomCommand]:
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"""Try to get a command by its name"""
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statement = select(CustomCommand).where(CustomCommand.indexed_name == message)
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return (await session.execute(statement)).scalar_one_or_none()
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async def get_command_by_alias(session: AsyncSession, message: str) -> Optional[CustomCommand]:
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"""Try to get a command by its alias"""
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statement = select(CustomCommandAlias).where(CustomCommandAlias.indexed_alias == message)
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alias = (await session.execute(statement)).scalar_one_or_none()
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if alias is None:
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return None
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return alias.command
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async def edit_command(
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session: AsyncSession, original_name: str, new_name: Optional[str] = None, new_response: Optional[str] = None
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) -> CustomCommand:
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"""Edit an existing command"""
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# Check if the command exists
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command = await get_command(session, original_name)
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if command is None:
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raise NoResultFoundException
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if new_name is not None:
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command.name = new_name
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if new_response is not None:
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command.response = new_response
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session.add(command)
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await session.commit()
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return command
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