feat: Version announcements.

.gitignore

@@ -61,4 +61,7 @@ typings/
 .next
 
 # Project files
-src/config.json
+src/config.json
+
+# Generated data files
+data/versions\.json

package.json

@@ -32,10 +32,11 @@
     "eslint-plugin-prettier": "^3.1.0",
     "eslint-plugin-vue": "^5.2.3",
     "esm": "^3.2.25",
-    "github-api": "^3.3.0",
     "fuse.js": "^3.4.6",
+    "github-api": "^3.3.0",
     "hjson": "^3.1.2",
-    "prettier": "^1.18.2"
+    "prettier": "^1.18.2",
+    "semver": "^7.1.1"
   },
   "devDependencies": {
     "jest": "^24.9.0",

src/client.js

@@ -49,6 +49,10 @@ for (const file of jobFiles) {
   https://discord.js.org/#/docs/commando/master/class/CommandoRegistry?scrollTo=registerGroups
 */
 client.registry.registerGroups([
+  {
+    id: 'announcements',
+    name: 'Announcements',
+  },
   {
     id: 'documentation',
     name: 'Documentation',

src/commands/announcements/notify.js

@@ -0,0 +1,71 @@
+import { Command } from 'discord.js-commando'
+import { inlineCode } from '../../utils/string'
+import { cleanupInvocation } from '../../utils/messages'
+import { createDefaultEmbed } from '../../utils/embed'
+import { NOTIFICATION_ROLE } from '../../services/version-checker'
+
+module.exports = class AnnouncementsNotifyCommand extends Command {
+  constructor(client) {
+    super(client, {
+      name: 'notify',
+      examples: [inlineCode('!notify')],
+      group: 'announcements',
+      guildOnly: true,
+      memberName: 'notify',
+      description: 'Sign yourself up for automated release notifications.',
+      clientPermissions: ['MANAGE_ROLES'],
+    })
+  }
+
+  hasPermission() {
+    return true
+  }
+
+  async run(msg) {
+    const notifyRole = msg.guild.roles.find(
+      role => role.name.toLowerCase() === NOTIFICATION_ROLE.toLowerCase()
+    )
+
+    try {
+      if (!notifyRole) {
+        throw new Error(`Unable to find role ${inlineCode(NOTIFICATION_ROLE)}!`)
+      }
+
+      const embed = createDefaultEmbed(msg).setTitle(
+        'Automated Release Notifications'
+      )
+
+      if (msg.member.roles.get(notifyRole.id)) {
+        msg.member.removeRole(notifyRole)
+
+        embed
+          .setDescription(
+            `Okay, you've been removed from the ${notifyRole} role and will no longer be informed of new releases.`
+          )
+          .setColor('RED')
+      } else {
+        msg.member.addRole(notifyRole)
+
+        embed
+          .setDescription(
+            `Okay, you've been added to the ${notifyRole} role and will be informed of any new releases.`
+          )
+          .setColor('GREEN')
+      }
+
+      msg.channel.send(embed)
+      cleanupInvocation(msg)
+    } catch (error) {
+      console.error(error)
+      msg.channel.send(this.buildErrorEmbed(msg, error))
+      cleanupInvocation(msg)
+    }
+  }
+
+  buildErrorEmbed(msg, error) {
+    return createDefaultEmbed(msg)
+      .setTitle('Sorry, an error occured.')
+      .setDescription(error.message ? error.message : error)
+      .setColor('ORANGE')
+  }
+}