Added embed generator

model/command/embed.js

@@ -0,0 +1,136 @@
+const { MessageEmbed, Message } = require('discord.js');
+const CommandCategory = require('../command-category');
+const CommandPermission = require('../command-permission');
+
+const RGB_REGEX = /(\d{1,3})\D*,\D*(\d{1,3})\D*,\D*(\d{1,3})\D*/u;
+
+class EmbedDialog
+{
+    /**
+     * @param {Message} message
+     */
+    constructor(message) {
+        this.embed = new MessageEmbed();
+        this.message = message;
+        this.channel = message.channel;
+        this.destinationChannel = null;
+
+        this.messageFilter = testedMessage => {
+            const byAuthor = testedMessage.author.id === message.author.id;
+            const hasContent = testedMessage.cleanContent.trim().length > 0;
+
+            return byAuthor && hasContent;
+        }
+
+        this.channelMessageFilter = testedMessage => {
+            return this.messageFilter(testedMessage) && testedMessage.mentions.channels.size > 0;
+        }
+
+        this.returnFirstOfCollection = collection => collection && collection.size ? collection.first() : null;
+        this.awaitOptions = { max: 1, time: 5 * MINUTE, errors: ['time'] };
+
+        /**
+         * @param {function} filter
+         * @returns {Promise<Message>}
+         */
+        this.awaitMessage = (filter = this.messageFilter) => {
+            return this.channel.awaitMessages(
+                filter,
+                this.awaitOptions
+            ).then(async collection => {
+                let message = this.returnFirstOfCollection(collection);
+
+                if (message && message.content.toLowerCase() === 'cancel') {
+                    message = null;
+                    await this.channel.send('Cancelling embed creation.');
+                }
+
+                return message;
+            }).catch(async () => {
+                await this.channel.send('Time out, cancelling embed creation.');
+            });
+        };
+    }
+
+    async execute() {
+        await this.channel.send('#️⃣ In which **channel** would you like this embed to be posted?');
+        const channelMessage = await this.awaitMessage(this.channelMessageFilter);
+
+        if (!channelMessage) {
+            return null;
+        }
+
+        this.destinationChannel = channelMessage.mentions.channels.first();
+        await this.channel.send('📰 What do you want the **title** of this embed to be (you can also ping someone so it appears as they are saying what is going to be the description)?');
+        const titleMessage = await this.awaitMessage(this.messageFilter);
+
+        if (!titleMessage) {
+            return null;
+        }
+
+        if (titleMessage.mentions.members.size > 0) {
+            const member = titleMessage.mentions.members.first();
+            this.embed.setAuthor(member.displayName, member.user.displayAvatarURL({ dynamic: true }));
+        } else {
+            this.embed.setTitle(titleMessage.content);
+        }
+
+        await this.channel.send('🎨 What do you want the **colour** of this embed to be?');
+        const colourMessage = await this.awaitMessage(this.messageFilter);
+
+        if (!colourMessage) {
+            return null;
+        }
+
+        if (colourMessage.content.startsWith('#')) {
+            this.embed.setColor(parseInt(colourMessage.content.substr(1), 16));
+        } else if (colourMessage.content.startsWith('0x')) {
+            this.embed.setColor(parseInt(colourMessage.content.substr(2), 16));
+        } else if (RGB_REGEX.test(colourMessage.content)) {
+            const [, red, green, blue] = colourMessage.content.match(RGB_REGEX);
+            this.embed.setColor([parseInt(red), parseInt(green), parseInt(blue)]);
+        } else {
+            this.embed.setColor(colourMessage.content.toUpperCase().replace(/[^A-Z]+/gu, '_'));
+        }
+
+        await this.channel.send('💬 What do you want the **description** (contents) of this embed to be?');
+        const descriptionMessage = await this.awaitMessage(this.messageFilter);
+
+        if (!descriptionMessage) {
+            return null;
+        }
+
+        this.embed.setDescription(descriptionMessage.content);
+        await this.destinationChannel.send(this.embed);
+
+        return this.channel.send(`✅ The embed has been posted in ${this.destinationChannel}.`);
+    }
+}
+
+class Embed
+{
+    static instance = null;
+
+    constructor() {
+        if (Embed.instance !== null) {
+            return Embed.instance;
+        }
+
+        this.aliases = [];
+        this.category = CommandCategory.RESOURCE;
+        this.isAllowedForContext = CommandPermission.isMemberMod;
+        this.description = 'Allows to post an embed';
+    }
+
+    /**
+     * @param {Message} message
+     * @param {Array} args
+     */
+    async process(message, args) {
+        const dialog = new EmbedDialog(message);
+
+        return dialog.execute();
+    }
+}
+
+module.exports = new Embed();