From 86b55e11af14fedb2a341c9fd62b3662d48cc9f6 Mon Sep 17 00:00:00 2001
From: Bogdan Alexandru Militaru <bmilitaru@airtouchmedia.com>
Date: Fri, 8 Jun 2018 22:52:23 +0300
Subject: [PATCH] Plugin integration with Discord. Send text messages or audio
 messages.

---
 plugins/discord/index.js | 87 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 plugins/discord/index.js

diff --git a/plugins/discord/index.js b/plugins/discord/index.js
new file mode 100644
index 000000000..3c18735b0
--- /dev/null
+++ b/plugins/discord/index.js
@@ -0,0 +1,87 @@
+/**
+ * Discord plugin
+ * Notifies all events (up, down, paused, restarted) by discord
+ *
+ * Installation
+ * ------------
+ * This plugin is disabled by default. To enable it, add its entry
+ * to the `plugins` key of the configuration:
+ *
+ *   // in config/default.yaml
+ *   plugins:
+ *     - ./plugins/discord
+ *
+ * Usage
+ * -----
+ * This plugin sends a discord each time a check is started, goes down, or goes back up.
+ * When the check goes down, the discord contains the error details:
+ *
+ *   Object: [Down] Check "FooBar" just went down
+ *   On Thursday, September 4th 1986 8:30 PM,
+ *   a test on URL "http://foobar.com" failed with the following error:
+ *
+ *     Error 500
+ * 
+ * Activate Voice Message
+ * -----
+ * 
+ * If you'd like to activate voice messages via Discord, please uncomment line 79,
+ * tts: true
+ *
+ * Configuration
+ * -------------
+ * Here is an example configuration:
+ *
+ *   // in config/default.yaml
+ *   discord:
+ *     webhookURL: https://Idiscordapp.com/api/webhooks/020907810730016768/T8sgM5AvlUgp9Nuen3dDdtL6iTDm3Zza3cNCUvbnmYPc07lUDy55PYnu90goHRlxCcDD
+ *     event:
+ *       up:        true
+ *       down:      true
+ *       paused:    false
+ *       restarted: false
+ */
+var moment = require('moment');
+var CheckEvent = require('../../models/checkEvent');
+var request = require('request');
+
+exports.initWebApp = function (options) {
+    // small message formatter
+    function getMessageText(event, check) {
+        switch (event.message) {
+            case 'down':
+                return 'On ' + moment(event.timestamp).format('LLLL') + ' a test on URL' + check.url + ' failed with the following error ' + event.details
+            case 'paused':
+                return 'On ' + moment(event.timestamp).format('LLLL') + ' ' + check.url + ' was manually paused'
+            case 'restarted':
+                return 'On ' + moment(event.timestamp).format('LLLL') + ' ' + check.url + ' was manually restarted'
+            case 'up':
+                if (event.downtime)
+                    return 'Check ' + check.name + ' went back up. ' + 'On ' + moment(event.timestamp).format('LLLL') + ' and after ' + moment.duration(event.downtime).humanize() + ' of downtime.'
+                else
+                    return 'Check ' + check.name + ' is now up. ' + 'On ' + moment(event.timestamp).format('LLLL') + ' a test on URL ' + check.url + ' responded correctly.'
+            default:
+                return ''
+        };
+
+    };
+    // get config
+    var config = options.config.discord;
+    CheckEvent.on('afterInsert', function (checkEvent) {
+        if (!config.event[checkEvent.message]) return;
+        checkEvent.findCheck(function (err, check) {
+            if (err) return console.error(err);
+
+            // get text message
+            var text = getMessageText(checkEvent, check);
+            // send message
+            var discordOptions = {
+                content: text,
+                // tts: true
+            }
+            request.post({ url: config.webhookURL, form: discordOptions }, function (err, httpResponse, body) { console.log(err); })
+
+        });
+    });
+    console.log('Enabled Discord notifications');
+};
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