Hyperlinks in ticket descriptions

src/shared/RedisClient.ts

@@ -2,9 +2,72 @@ import { createClient } from '@redis/client';
 import { Database } from './Database';
 import { config } from '../config';
 import { APIEmbedField, Client, EmbedAuthorOptions, EmbedBuilder, SendableChannels, TextBasedChannel } from 'discord.js';
-import { humanizeCapitalization } from '../utils/string-utils';
+import { blipIDRegex, commentIDRegex, forumTopicIDRegex, humanizeCapitalization, poolIDRegex, postIDRegex, shouldAlert, recordIDRegex, searchLinkRegex, setIDRegex, takedownIDRegex, ticketIDRegex, userIDRegex, wikiLinkRegex } from '../utils';
 import { BanUpdate, Ticket, TicketPhrase, TicketUpdate } from '../types';
-import { shouldAlert } from '../utils/ticket-utils';
+
+// TODO: Condense this and the message event handler regex array.
+const linkReplacers = [
+  {
+    regex: blipIDRegex,
+    replacement: '/blips/{match}',
+    encodeURI: false
+  },
+  {
+    regex: commentIDRegex,
+    replacement: '/comments/{match}',
+    encodeURI: false
+  },
+  {
+    regex: forumTopicIDRegex,
+    replacement: '/forum_topics/{match}',
+    encodeURI: false
+  },
+  {
+    regex: poolIDRegex,
+    replacement: '/pools/{match}',
+    encodeURI: false
+  },
+  {
+    regex: postIDRegex,
+    replacement: '/posts/{match}',
+    encodeURI: false
+  },
+  {
+    regex: recordIDRegex,
+    replacement: '/user_feedbacks/{match}',
+    encodeURI: false
+  },
+  {
+    regex: searchLinkRegex,
+    replacement: '/posts?tags={match}',
+    encodeURI: true
+  },
+  {
+    regex: setIDRegex,
+    replacement: '/post_sets/{match}',
+    encodeURI: false
+  },
+  {
+    regex: takedownIDRegex,
+    replacement: '/takedowns/{match}',
+    encodeURI: false
+  },
+  {
+    regex: ticketIDRegex,
+    replacement: '/tickets/{match}',
+    encodeURI: false
+  },
+  {
+    regex: userIDRegex,
+    replacement: '/users/{match}',
+    encodeURI: false
+  },
+  {
+    regex: wikiLinkRegex,
+    replacement: '/wiki_pages/{match}',
+    encodeURI: true
+  }
+];
 
 const MAX_DESCRIPTION_LENGTH = 500;
 
@@ -119,8 +182,36 @@ function getURL(ticket: Ticket): string {
   return `${config.E621_BASE_URL}/tickets/${ticket.id}`;
 }
 
+function getLinks(input: string, limit: number = Number.MAX_SAFE_INTEGER): string {
+  const length = input.length;
+
+  const replacedIndexes: { start: number, end: number }[] = [];
+
+  for (const replacer of linkReplacers) {
+    input = input.replaceAll(replacer.regex, (match, group1) => {
+      const replaced = `[${match}](${config.E621_BASE_URL}${(replacer.replacement).replace('{match}', replacer.encodeURI ? encodeURIComponent(group1) : group1)})`;
+      const start = input.indexOf(match);
+      replacedIndexes.push({ start, end: start + replaced.length });
+
+      return replaced;
+    });
+  }
+
+  if (length > limit) {
+    for (const replacedIndex of replacedIndexes) {
+      if (replacedIndex.start < limit && replacedIndex.end >= limit) {
+        return input.substring(0, replacedIndex.end) + '...';
+      }
+    }
+
+    return input.substring(0, limit) + '...';
+  }
+
+  return input;
+}
+
 function getDescription(ticket: Ticket): string {
-  return ticket.reason.length <= MAX_DESCRIPTION_LENGTH ? ticket.reason : ticket.reason.substring(0, MAX_DESCRIPTION_LENGTH);
+  return ticket.reason.length <= MAX_DESCRIPTION_LENGTH ? getLinks(ticket.reason) : getLinks(ticket.reason, MAX_DESCRIPTION_LENGTH);
 }
 
 function getAuthor(ticket: Ticket): EmbedAuthorOptions {