Implement disabling of message embeds

As requested by @Juby210

src/commands/system/admin.ts

@@ -61,6 +61,29 @@ export default new NamedCommand({
                         })
                     })
                 }),
+                messageembeds: new NamedCommand({
+                    description: "Enable or disable sending message previews.",
+                    usage: "enable/disable",
+                    run: "Please specify `enable` or `disable`.",
+                    subcommands: {
+                        true: new NamedCommand({
+                            description: "Enable sending of message previews.",
+                            async run({send, guild}) {
+                                Storage.getGuild(guild!.id).messageEmbeds = true;
+                                Storage.save();
+                                send("Sending of message previews has been enabled.");
+                            }
+                        }),
+                        false: new NamedCommand({
+                            description: "Disable sending of message previews.",
+                            async run({send, guild}) {
+                                Storage.getGuild(guild!.id).messageEmbeds = false;
+                                Storage.save();
+                                send("Sending of message previews has been disabled.");
+                            }
+                        })
+                    }
+                }),
                 autoroles: new NamedCommand({
                     description: "Configure your server's autoroles.",
                     usage: "<roles...>",

src/modules/messageEmbed.ts

@@ -2,50 +2,55 @@ import {client} from "../index";
 import {MessageEmbed} from "discord.js";
 import {getPrefix} from "../structures";
 import {getMessageByID} from "onion-lasers";
+import {Storage} from "../structures";
 
 client.on("message", async (message) => {
-    // Only execute if the message is from a user and isn't a command.
+    const {messageEmbeds} = Storage.getGuild(message.guild!.id);
-    if (message.content.startsWith(getPrefix(message.guild)) || message.author.bot) return;
-    const messageLink = extractFirstMessageLink(message.content);
-    if (!messageLink) return;
-    const [guildID, channelID, messageID] = messageLink;
 
-    const linkMessage = await getMessageByID(channelID, messageID);
+    if (messageEmbeds) {
+        // Only execute if the message is from a user and isn't a command.
+        if (message.content.startsWith(getPrefix(message.guild)) || message.author.bot) return;
+        const messageLink = extractFirstMessageLink(message.content);
+        if (!messageLink) return;
+        const [guildID, channelID, messageID] = messageLink;
 
-    // If it's an invalid link (or the bot doesn't have access to it).
+        const linkMessage = await getMessageByID(channelID, messageID);
-    if (typeof linkMessage === "string") {
-        return message.channel.send("I don't have access to that channel!");
-    }
 
-    const embeds = [
+        // If it's an invalid link (or the bot doesn't have access to it).
-        ...linkMessage.embeds.filter((embed) => embed.type === "rich"),
+        if (typeof linkMessage === "string") {
-        ...linkMessage.attachments.values()
+            return message.channel.send("I don't have access to that channel!");
-    ];
+        }
 
-    if (!linkMessage.cleanContent && embeds.length === 0) {
+        const embeds = [
-        return message.channel.send(new MessageEmbed().setDescription("🚫 The message is empty."));
+            ...linkMessage.embeds.filter((embed) => embed.type === "rich"),
-    }
+            ...linkMessage.attachments.values()
+        ];
 
-    if (linkMessage.cleanContent.length > 2048) {
+        if (!linkMessage.cleanContent && embeds.length === 0) {
-        return message.channel.send(new MessageEmbed().setDescription("🚫 This message is too long."));
+            return message.channel.send(new MessageEmbed().setDescription("🚫 The message is empty."));
-    }
+        }
 
-    const infoEmbed = new MessageEmbed()
+        if (linkMessage.cleanContent.length > 2048) {
-        .setAuthor(
+            return message.channel.send(new MessageEmbed().setDescription("🚫 This message is too long."));
-            linkMessage.author.username,
+        }
-            linkMessage.author.displayAvatarURL({format: "png", dynamic: true, size: 4096})
-        )
-        .setTimestamp(linkMessage.createdTimestamp)
-        .setDescription(
-            `${linkMessage.cleanContent}\n\nSent in **${linkMessage.guild?.name}** | <#${linkMessage.channel.id}> ([link](https://discord.com/channels/${guildID}/${channelID}/${messageID}))`
-        );
 
-    if (linkMessage.attachments.size !== 0) {
+        const infoEmbed = new MessageEmbed()
-        const image = linkMessage.attachments.first();
+            .setAuthor(
-        infoEmbed.setImage(image!.url);
+                linkMessage.author.username,
-    }
+                linkMessage.author.displayAvatarURL({format: "png", dynamic: true, size: 4096})
+            )
+            .setTimestamp(linkMessage.createdTimestamp)
+            .setDescription(
+                `${linkMessage.cleanContent}\n\nSent in **${linkMessage.guild?.name}** | <#${linkMessage.channel.id}> ([link](https://discord.com/channels/${guildID}/${channelID}/${messageID}))`
+            );
 
-    return await message.channel.send(infoEmbed);
+        if (linkMessage.attachments.size !== 0) {
+            const image = linkMessage.attachments.first();
+            infoEmbed.setImage(image!.url);
+        }
+
+        return await message.channel.send(infoEmbed);
+    } else return;
 });
 
 export function extractFirstMessageLink(message: string): [string, string, string] | null {

src/structures.ts

@@ -79,6 +79,7 @@ class Member {
 
 class Guild {
     public prefix: string | null;
+    public messageEmbeds: boolean | null;
     public welcomeType: "none" | "text" | "graphical";
     public welcomeChannel: string | null;
     public welcomeMessage: string | null;
@@ -90,6 +91,7 @@ class Guild {
 
     constructor(data?: GenericJSON) {
         this.prefix = select(data?.prefix, null, String);
+        this.messageEmbeds = select(data?.messageLinks, true, Boolean);
         this.welcomeChannel = select(data?.welcomeChannel, null, String);
         this.welcomeMessage = select(data?.welcomeMessage, null, String);
         this.autoRoles = select(data?.autoRoles, null, String, true);