add store messages command for archival purposes

src/commands/index.ts

@@ -19,6 +19,7 @@ export { default as page } from './page';
 export { default as ping } from './ping';
 export { default as rank } from './rank';
 export { default as roleinfo } from './roleinfo';
+export { default as storemessages } from './storemessages';
 export { default as unban } from './unban';
 export { default as unmute } from './unmute';
 export { default as whois } from './whois';

src/commands/storemessages.ts

@@ -0,0 +1,52 @@
+import { randomBytes } from 'crypto';
+import { Message, TextChannel } from 'eris';
+import { Client, Command, LocalStorage } from '../class';
+
+export default class StoreMessages extends Command {
+  constructor(client: Client) {
+    super(client);
+    this.name = 'storemessages';
+    this.description = 'Fetches 1000 messages from the specified channel and stores them in a HTML file.';
+    this.usage = `${this.client.config.prefix}storemessages <channel> [member ID]`;
+    this.aliases = ['sm'];
+    this.permissions = 3;
+    this.guildOnly = true;
+    this.enabled = true;
+  }
+
+  public async run(message: Message, args: string[]) {
+    try {
+      if (!args[0]) return this.client.commands.get('help').run(message, [this.name]);
+      const check = this.client.util.resolveGuildChannel(args[0], this.mainGuild, false);
+      if (!check || check.type !== 0) return this.error(message.channel, 'The channel you specified either doesn\'t exist or isn\'t a textable guild channel.');
+      const chan = <TextChannel> this.mainGuild.channels.get(check.id);
+      const loadingMessage = await this.loading(message.channel, 'Fetching messages...');
+      let messages = await chan.getMessages(10000);
+      if (args[1]) {
+        messages = messages.filter((m) => m.author.id === args[1]);
+      }
+      let html = `<h3>Library of Code sp-us</h3><strong>Channel:</strong> ${chan.name} (${chan.id})<br><strong>Generated by:</strong> ${message.author.username}#${message.author.discriminator}<br><strong>Generated at:</strong> ${new Date().toLocaleString('en-us')}<br><br>`;
+      for (const msg of messages) {
+        html += `(<i>${new Date(msg.timestamp).toLocaleString('en-us')}</i>) [<strong>${msg.author.username}#${msg.author.discriminator} - ${msg.author.id}</strong>]: ${msg.cleanContent}<br>`;
+      }
+      message.delete();
+      const identifier = randomBytes(10).toString('hex');
+
+      const comp = await LocalStorage.compress(html);
+      const file = new this.client.db.File({
+        name: `${chan.name}-${new Date().toLocaleString('en-us')}.html.gz`,
+        identifier,
+        mimeType: 'application/gzip',
+        data: comp,
+        downloaded: 0,
+        maxDownloads: 1,
+      });
+      await file.save();
+      loadingMessage.delete();
+      this.client.getDMChannel(message.author.id).then((c) => c.createMessage(`https://loc.sh/m/${identifier}.html.gz`)).catch(() => this.error(message.channel, 'Could not send a DM to you.'));
+      return this.success(message.channel, `Fetched messages for <#${chan.id}>. Check your DMs for link to access.`);
+    } catch (err) {
+      return this.client.util.handleError(err, message, this);
+    }
+  }
+}