class Roles:
    async def get_role(self, guild, role):
        fetched_role = None
        for r in guild.roles:
            if r.name == role:
                fetched_role = r
        return fetched_role

    async def get_roles(self, guild, roles):
        found_roles = []
        for r in guild.roles:
            if r.name in roles:
                found_roles.append(r)
        return found_roles

    async def add_role(self, guild, role, user):
        fetched_role = await self.get_role(guild, role)
        role_added = False
        if fetched_role is not None:
            if fetched_role not in user.roles:
                await user.add_roles(fetched_role)
                role_added = True
        return role_added

    async def remove_role(self, guild, role, user):
        fetched_role = await self.get_role(guild, role)
        role_removed = False
        if fetched_role is not None:
            if fetched_role in user.roles:
                await user.remove_roles(fetched_role)
                role_removed = True
        return role_removed