Added own custom message and mentions.

index.js

@@ -1,4 +1,5 @@
 const core = require('@actions/core');
+const github = require('@actions/github');
 const sdk = require('matrix-js-sdk');
 const md = require('markdown-it')();
 
@@ -7,6 +8,7 @@ try {
   const channel = core.getInput('channel');
   const token = core.getInput('token');
   const message = core.getInput('message');
+  const status = core.getInput('status');
   const messagetype = core.getInput('messagetype');
 
   // Debug output
@@ -14,8 +16,19 @@ try {
   core.info(`channel: ${channel}`);
   core.info(`token: ${token}`);
   core.info(`message: ${message}`);
+  core.info(`status: ${status}`);
   core.info(`messagetype: ${messagetype}`);
 
+  const ctx = github.context;
+
+  const { owner, repo } = ctx.repo;
+  const {
+    workflow, actor, payload, serverUrl, runNumber,
+  } = ctx;
+
+  const repoURL = `${serverUrl}/${owner}/${repo}`;
+  const runURL = `${repoURL}/actions/runs/${runNumber}`;
+
   // Create client object
   const client = sdk.createClient({
     baseUrl: `https://${homeserver}`,
@@ -27,19 +40,43 @@ try {
     core.info('Joined channel');
   });
 
-  // render markdown in message
-  const processedMessage = md.render(message);
+  const statusOpts = {
+    success: {
+      status: 'Success',
+      color: 0x28A745,
+    },
+    failure: {
+      status: 'Failure',
+      color: 0xCB2431,
+    },
+    cancelled: {
+      status: 'Cancelled',
+      color: 0xDBAB09,
+    },
+  };
+
+  const userMention = status === 'success' ? actor : `<a href="https://matrix.to/#/@${actor}:${homeserver}">${actor}</a>`;
+
+  const formattedMessage = `
+<h4 style="color: ${statusOpts[status].color}">${statusOpts[status].status} ${workflow.name}</h4>
+<p><strong>Repository</strong> <a href="${repoURL}">${owner}/${repo}</a><br>
+<strong>Commit</strong> <a href="${payload.head_commit.url}">${payload.head_commit.id.substring(0, 7)}</a> ${payload.head_commit.message}<br>
+<strong>Triggered by</strong> ${userMention}<br>
+<strong>Run</strong> <a href="${runURL}">#${runNumber}</a><br>
+${md.render(message)}`;
 
   // Send message
   const content = {
     msgtype: messagetype,
     format: 'org.matrix.custom.html',
     body: message,
-    formatted_body: processedMessage,
+    formatted_body: formattedMessage,
   };
 
+  if (status === 'success') content['m.mentions'] = { user_ids: [`@${actor}:${homeserver}`] };
+
   client.sendEvent(channel, 'm.room.message', content, '').then(() => {
-  // message sent successfully
+    // message sent successfully
   }).catch((err) => {
     core.error(err);
   });