feat(discord: commands): if merge request description contains image,…

… add and send with embed

also fixed so it replaces '!' and not '#' (merge requests start with !)

lib/Discord/Commands/GitlabMergeRequest.js

@@ -36,19 +36,21 @@ class GitlabIssue extends Command {
   }
 
   _mr(msg, args) {
-    const mrNumber = parseInt(args[0].replace(/#/g, ''));
+    const mrNumber = parseInt(args[0].replace(/!/g, ''));
     let repository = ChannelConfig.FindByChannel(msg.channel.id).repo;
     if (!repository) return this.commandError(msg, Gitlab.Constants.Errors.NO_REPO_CONFIGURED(this));
     if (!mrNumber) return this.errorUsage(msg);
 
     return Gitlab.getProjectMergeRequest(repository, null, mrNumber)
     .then(res => {
-      let mr = res.body;
+      const mr = res.body;
+      const description = mr.description;
+      const [, imageUrl] = /!\[(?:.*?)\]\((.*?)\)/.exec(description) || [];
 
       const embed = new this.embed()
       .setTitle(`Merge Request \`#${mr.iid}\` - ${mr.title}`)
       .setURL(mr.web_url)
-      .setDescription(mr.description.length ? `\u200B\n${mr.description}\n\u200B` : '\u200B')
+      .setDescription(`\u200B\n${description.slice(0, 2040)}\n\u200B`)
       .setColor('#84F139')
       .addField('Source', `${mr.author.username}:${mr.source_branch}`, true)
       .addField('Target', `${repository.split('/')[0]}:${mr.target_branch}`, true)
@@ -58,6 +60,7 @@ class GitlabIssue extends Command {
       .addField('Milestone', mr.milestone ? `${mr.milestone.title}` : 'None', true)
       .addField('Comments', mr.user_notes_count, true)
       .setFooter(repository, this.bot.user.avatarURL);
+      if (imageUrl) embed.setImage(imageUrl.startsWith('/') ? `https://gitlab.com/${repository}/${imageUrl}` : imageUrl);
 
       return msg.channel.send({ embed });
     }).catch(err => {