import { Constants, Guild, Member, Role } from "eris"; import { getMissingPermissions } from "./getMissingPermissions"; import { hasDiscordPermissions } from "./hasDiscordPermissions"; export function canAssignRole(guild: Guild, member: Member, roleId: string) { if (getMissingPermissions(member.permission, Constants.Permissions.manageRoles)) { return false; } if (roleId === guild.id) { return false; } const targetRole = guild.roles.get(roleId); if (!targetRole) { return false; } const memberRoles = member.roles.map(_roleId => guild.roles.get(_roleId)!); const highestRoleWithManageRoles = memberRoles.reduce((highest, role) => { if (!hasDiscordPermissions(role.permissions, Constants.Permissions.manageRoles)) return highest; if (highest == null) return role; if (role.position > highest.position) return role; return highest; }, null); return highestRoleWithManageRoles && highestRoleWithManageRoles.position > targetRole.position; }