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authorIRONM00N <64110067+IRONM00N@users.noreply.github.com>2021-10-21 00:26:08 -0400
committerIRONM00N <64110067+IRONM00N@users.noreply.github.com>2021-10-21 00:26:08 -0400
commit9817b2e6045df07a4b6195be4ec78a61cac9e74f (patch)
treeb5b5a8ff528f5ba95508c4aa59b4b7b7d1d8f5e7 /src/lib/common/_moderation.ts
parentb87eac9e63025501e6bdee0f24c578c6e43e57ad (diff)
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-import { Snowflake } from 'discord-api-types';
-import {
- ActivePunishment,
- ActivePunishmentType,
- BushGuildMember,
- BushGuildMemberResolvable,
- BushGuildResolvable,
- Guild,
- ModLog,
- ModLogType
-} from '..';
-
-export class Moderation {
- /**
- * Checks if a moderator can perform a moderation action on another user.
- * @param moderator - The person trying to perform the action.
- * @param victim - The person getting punished.
- * @param type - The type of punishment - used to format the response.
- * @param checkModerator - Whether or not to check if the victim is a moderator.
- */
- public static async permissionCheck(
- moderator: BushGuildMember,
- victim: BushGuildMember,
- type: 'mute' | 'unmute' | 'warn' | 'kick' | 'ban' | 'unban' | 'add a punishment role to' | 'remove a punishment role from',
- checkModerator = true,
- force = false
- ): Promise<true | string> {
- if (force) return true;
-
- // If the victim is not in the guild anymore it will be undefined
- if ((!victim || !victim.guild) && !['ban', 'unban'].includes(type)) return true;
-
- if (moderator.guild.id !== victim.guild.id) {
- throw new Error('moderator and victim not in same guild');
- }
-
- const isOwner = moderator.guild.ownerId === moderator.id;
- if (moderator.id === victim.id && !type.startsWith('un')) {
- return `${util.emojis.error} You cannot ${type} yourself.`;
- }
- if (
- moderator.roles.highest.position <= victim.roles.highest.position &&
- !isOwner &&
- !(type.startsWith('un') && moderator.id === victim.id)
- ) {
- return `${util.emojis.error} You cannot ${type} **${victim.user.tag}** because they have higher or equal role hierarchy as you do.`;
- }
- if (
- victim.roles.highest.position >= victim.guild.me!.roles.highest.position &&
- !(type.startsWith('un') && moderator.id === victim.id)
- ) {
- return `${util.emojis.error} You cannot ${type} **${victim.user.tag}** because they have higher or equal role hierarchy as I do.`;
- }
- if (checkModerator && victim.permissions.has('MANAGE_MESSAGES') && !(type.startsWith('un') && moderator.id === victim.id)) {
- if (await moderator.guild.hasFeature('modsCanPunishMods')) {
- return true;
- } else {
- return `${util.emojis.error} You cannot ${type} **${victim.user.tag}** because they are a moderator.`;
- }
- }
- return true;
- }
-
- public static async createModLogEntry(
- options: {
- type: ModLogType;
- user: BushGuildMemberResolvable;
- moderator: BushGuildMemberResolvable;
- reason: string | undefined | null;
- duration?: number;
- guild: BushGuildResolvable;
- pseudo?: boolean;
- evidence?: string;
- },
- getCaseNumber = false
- ): Promise<{ log: ModLog | null; caseNum: number | null }> {
- const user = (await util.resolveNonCachedUser(options.user))!.id;
- const moderator = (await util.resolveNonCachedUser(options.moderator))!.id;
- const guild = client.guilds.resolveId(options.guild)!;
- // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
- const duration = options.duration || undefined;
-
- // If guild does not exist create it so the modlog can reference a guild.
- await Guild.findOrCreate({
- where: {
- id: guild
- },
- defaults: {
- id: guild
- }
- });
-
- const modLogEntry = ModLog.build({
- type: options.type,
- user,
- moderator,
- reason: options.reason,
- duration: duration,
- guild,
- pseudo: options.pseudo ?? false,
- evidence: options.evidence
- });
- const saveResult: ModLog | null = await modLogEntry.save().catch(async (e) => {
- await util.handleError('createModLogEntry', e);
- return null;
- });
-
- if (!getCaseNumber) return { log: saveResult, caseNum: null };
-
- const caseNum = (await ModLog.findAll({ where: { type: options.type, user: user, guild: guild, hidden: 'false' } }))
- ?.length;
- return { log: saveResult, caseNum };
- }
-
- public static async createPunishmentEntry(options: {
- type: 'mute' | 'ban' | 'role' | 'block';
- user: BushGuildMemberResolvable;
- duration: number | undefined;
- guild: BushGuildResolvable;
- modlog: string;
- extraInfo?: Snowflake;
- }): Promise<ActivePunishment | null> {
- const expires = options.duration ? new Date(+new Date() + options.duration ?? 0) : undefined;
- const user = (await util.resolveNonCachedUser(options.user))!.id;
- const guild = client.guilds.resolveId(options.guild)!;
- const type = this.findTypeEnum(options.type)!;
-
- const entry = ActivePunishment.build(
- options.extraInfo
- ? { user, type, guild, expires, modlog: options.modlog, extraInfo: options.extraInfo }
- : { user, type, guild, expires, modlog: options.modlog }
- );
- return await entry.save().catch(async (e) => {
- await util.handleError('createPunishmentEntry', e);
- return null;
- });
- }
-
- public static async removePunishmentEntry(options: {
- type: 'mute' | 'ban' | 'role' | 'block';
- user: BushGuildMemberResolvable;
- guild: BushGuildResolvable;
- extraInfo?: Snowflake;
- }): Promise<boolean> {
- const user = await util.resolveNonCachedUser(options.user);
- const guild = client.guilds.resolveId(options.guild);
- const type = this.findTypeEnum(options.type);
-
- if (!user || !guild) return false;
-
- let success = true;
-
- const entries = await ActivePunishment.findAll({
- // finding all cases of a certain type incase there were duplicates or something
- where: options.extraInfo
- ? { user: user.id, guild: guild, type, extraInfo: options.extraInfo }
- : { user: user.id, guild: guild, type }
- }).catch(async (e) => {
- await util.handleError('removePunishmentEntry', e);
- success = false;
- });
- if (entries) {
- const promises = entries.map(async (entry) =>
- entry.destroy().catch(async (e) => {
- await util.handleError('removePunishmentEntry', e);
- success = false;
- })
- );
-
- await Promise.all(promises);
- }
- return success;
- }
-
- private static findTypeEnum(type: 'mute' | 'ban' | 'role' | 'block') {
- const typeMap = {
- ['mute']: ActivePunishmentType.MUTE,
- ['ban']: ActivePunishmentType.BAN,
- ['role']: ActivePunishmentType.ROLE,
- ['block']: ActivePunishmentType.BLOCK
- };
- return typeMap[type];
- }
-}