didier/functions/database/custom_commands.py

75 lines
1.8 KiB
Python

from data.database_classes.custom_commands import CustomCommand
from functions.database import utils
def is_custom_command(message: str) -> CustomCommand:
"""
Check if a message triggers a custom command
These use "?" as a prefix
"""
# Message didn't call a custom command
if not message.startswith("?"):
return CustomCommand()
# Ignore capitals & spaces, strip off prefix
message = message.lower().replace(" ", "")[1:]
by_name = _find_by_name(message)
# Command was found by its name
if by_name:
return CustomCommand(*by_name)
# Check if a command exists with this alias instead
return CustomCommand(*_find_by_alias(message), alias_used=message)
def _find_by_name(message):
"""
Find a command by its name
"""
connection = utils.connect()
cursor = connection.cursor()
cursor.execute("SELECT response FROM custom_commands WHERE name = %s", message)
return cursor.fetchone()
def _find_by_alias(message):
"""
Find a command by one of its aliases
"""
connection = utils.connect()
cursor = connection.cursor()
cursor.execute("SELECT command FROM custom_command_aliases WHERE alias = %s", message)
res = cursor.fetchone()
# No command matched this alias
if not res:
return ()
cursor.execute("SELECT response FROM custom_commands WHERE id = %s", res)
return cursor.fetchone()
def is_name_free(name) -> bool:
"""
Check if a name is already in use by a command
Includes aliases
"""
connection = utils.connect()
cursor = connection.cursor()
cursor.execute("SELECT id from custom_commands WHERE name = %s", name)
if cursor.fetchone():
return False
cursor.execute("SELECT command FROM custom_command_aliases WHERE alias = %s", name)
return len(cursor.fetchone()) != 0