Added definitions

model/command/notifications.js

@@ -0,0 +1,40 @@
+const { MessageEmbed } = require('discord.js');
+const CommandCategory = require('../command-category');
+const CommandPermission = require('../command-permission');
+
+class Notifications
+{
+    static instance = null;
+
+    constructor() {
+        if (Notifications.instance !== null) {
+            return Notifications.instance;
+        }
+
+        this.aliases = ['notification'];
+        this.category = CommandCategory.RESOURCE;
+        this.isAllowedForContext = CommandPermission.yes;
+        this.description = 'Explains how your friends can get notifications from your system.';
+    }
+
+    /**
+     * @param {Message} message
+     * @param {Array} args
+     */
+    async process(message, args) {
+        const embed = new MessageEmbed();
+
+        embed.setColor(APP_MAIN_COLOUR);
+        embed.setAuthor('Notifications', bot.user.displayAvatarURL({ dynamic: true }));
+        embed.setDescription(
+            'If your friends are not getting notifications, make sure that you go into the settings of the friend ' +
+            'by going on their profile and clicking the cog wheel on the right top. Press "They can get ' +
+            'notifications". As a second step your friend(s) have to opt-in to get notifications from you, they ' +
+            'have to go to your profile in their friends and click "Get notifications if they change front".'
+        );
+
+        return message.channel.send(embed);
+    }
+}
+
+module.exports = new Notifications();