From 2bb650368fef59f5a4b41e026f12afcd4f4a3ccc Mon Sep 17 00:00:00 2001
From: Skillz <gankstarsleague@gmail.com>
Date: Thu, 21 May 2020 11:23:04 -0400
Subject: [PATCH] mem.guildID & mem.guild() & chnl.hasPermission()

---
 README.md             |  3 +++
 structures/channel.ts | 17 +++++++++++++++++
 structures/member.ts  |  5 +++++
 3 files changed, 25 insertions(+)

diff --git a/README.md b/README.md
index 151f82225..5da013ace 100644
--- a/README.md
+++ b/README.md
@@ -116,6 +116,7 @@ This section will list out all the available methods and functionality in the li
 - mention
 - raw
 ```ts
+- .hasPermission(id, permissions)
 - .getMessage(id)
 - .getMessages(options)
 - .getPins()
@@ -222,7 +223,9 @@ This section will list out all the available methods and functionality in the li
 - premiumSince
 - tag
 - mention
+- guildID
 ```ts
+- .guild()
 - .avatarURL(size, format)
 - .addRole(roleID, reason)
 - .removeRole(roleID, reason)
diff --git a/structures/channel.ts b/structures/channel.ts
index cf90b746f..17b160f79 100644
--- a/structures/channel.ts
+++ b/structures/channel.ts
@@ -51,6 +51,23 @@ export function createChannel(data: ChannelCreatePayload) {
     /** The mention of the channel */
     mention: `<#${data.id}>`,
 
+    /** Checks if a user id or a role id has permission in this channel */
+    hasPermission: function (id: string, permissions: Permissions[]) {
+      const overwrite = data.permission_overwrites?.find((perm) =>
+        perm.id === id
+      ) ||
+        data.permission_overwrites?.find((perm) => perm.id === channel.guildID);
+      if (!overwrite) return false;
+
+      return permissions.every((perm) => {
+        if (overwrite.deny & perm) return false;
+        if (overwrite.allow & perm) return true;
+        if (channel.guildID) {
+          return botHasPermission(channel.guildID, [perm]);
+        }
+        return false;
+      });
+    },
     /** Fetch a single message from the server. Requires VIEW_CHANNEL and READ_MESSAGE_HISTORY */
     getMessage: async (id: string) => {
       if (data.guild_id) {
diff --git a/structures/member.ts b/structures/member.ts
index 5b0702a94..fe8995454 100644
--- a/structures/member.ts
+++ b/structures/member.ts
@@ -13,6 +13,7 @@ import { Errors } from "../types/errors.ts";
 import { RequestManager } from "../module/requestManager.ts";
 import { botID } from "../module/client.ts";
 import { Guild } from "./guild.ts";
+import { cache } from "../utils/cache.ts";
 
 export const createMember = (data: MemberCreatePayload, guild: Guild) => ({
   ...data,
@@ -26,7 +27,11 @@ export const createMember = (data: MemberCreatePayload, guild: Guild) => ({
   tag: `${data.user.username}#${data.user.discriminator}`,
   /** The user mention with nickname if possible */
   mention: `<@!${data.user.id}>`,
+  /** The guild id where this member exists */
+  guildID: guild.id,
 
+  /** Gets the guild object from cache for this member. This is a method instead of a prop to preserve memory. */
+  guild: () => cache.guilds.get(guild.id)!,
   /** The users custom avatar or the default avatar */
   avatarURL: (size: ImageSize = 128, format?: ImageFormats) =>
     data.user.avatar