From f63e690b15319909e62a6beb84589337927f3626 Mon Sep 17 00:00:00 2001
From: Ryan Graham <ryan@codingintrigue.co.uk>
Date: Tue, 10 Jan 2017 08:30:56 +0000
Subject: [PATCH] Add support for multiple notification endpoints to existing
 webhook system

---
 conf/full.yaml | 26 +++++++++++++++++++++++
 lib/notify.js  | 57 +++++++++++++++++++++++++++++++++-----------------
 2 files changed, 64 insertions(+), 19 deletions(-)

diff --git a/conf/full.yaml b/conf/full.yaml
index 965594767..d61d59bb4 100644
--- a/conf/full.yaml
+++ b/conf/full.yaml
@@ -134,6 +134,11 @@ notify:
   # Choose a method. Technically this will accept any HTTP
   # request method, but probably stick to GET or POST
   method: POST
+  # Only run this notification if the package name matches the regular
+  # expression
+  packagePattern: ^example-package$
+  # Any flags to be used with the regular expression
+  packagePatternFlags: i
   # If this endpoint requires specific headers, set them here
   # as an array of key: value objects.
   headers: [{'Content-type': 'application/x-www-form-urlencoded'}]
@@ -146,3 +151,24 @@ notify:
   content: ' {{ handlebar-expression }}'
   # For Slack, follow the following format:
   # content: '{ "text": "Package *{{ name }}* published to version *{{ dist-tags.latest }}*", "username": "Verdaccio", "icon_emoji": ":package:" }'
+
+  # Multiple notification endpoints can be created by specifying a collection
+  'example-package-1'
+    method: POST
+    # Only run this notification if the package name matches the regular
+    # expression
+    packagePattern: ^example-package-regex$
+    # Any flags to be used with the regular expression
+    packagePatternFlags: i
+    # If this endpoint requires specific headers, set them here
+    # as an array of key: value objects.
+    headers: [{'Content-type': 'application/x-www-form-urlencoded'}]
+    # set the URL endpoint for this call
+    endpoint: https://hooks.slack.com/...
+    # Finally, the content you will be sending in the body.
+    # This data will first be run through Handlebars to parse
+    # any Handlebar expressions. All data housed in the metadata object
+    # is available for use within the expressions.
+    content: ' {{ handlebar-expression }}'
+    # For Slack, follow the following format:
+    # content: '{ "text": "Package *{{ name }}* published to version *{{ dist-tags.latest }}*", "username": "Verdaccio", "icon_emoji": ":package:" }'
diff --git a/lib/notify.js b/lib/notify.js
index 5482b15e9..00d5c5f10 100644
--- a/lib/notify.js
+++ b/lib/notify.js
@@ -1,28 +1,47 @@
 var Handlebars    = require('handlebars')
 var request       = require('request')
 
+var handleNotify = function(metadata, notifyEntry) {
+  var regex
+  if(metadata.name && notifyEntry.packagePattern) {
+    regex = new RegExp(notifyEntry.packagePattern, notifyEntry.packagePatternFlags || '')
+    if(!regex.test(metadata.name)) {
+      return
+    }
+  }
+
+  var template  = Handlebars.compile(notifyEntry.content)
+  var content = template( metadata )
+
+  var options = {
+    body: content
+  }
+
+  if ( notifyEntry.headers ) {
+    options.headers = notifyEntry.headers
+  }
+
+  options.method = notifyEntry.method
+
+  if(notifyEntry.endpoint) {
+    options.url = notifyEntry.endpoint
+  }
+
+  request(options)
+}
+
 module.exports.notify = function(metadata, config) {
 
-  if (config.notify && config.notify.content) {
-
-    var template  = Handlebars.compile(config.notify.content)
-    var content = template( metadata )
-
-    var options = {
-      body: content
+  if (config.notify) {
+    if(config.notify.content) {
+      handleNotify(metadata, config.notify)
     }
-
-    if ( config.notify.headers ) {
-      options.headers = config.notify.headers;
+    else {
+      for(var key in config.notify) {
+        if(config.notify.hasOwnProperty(key)) {
+          handleNotify(metadata, config.notify[key])
+        }
+      }
     }
-
-    options.method = config.notify.method;
-
-    if(config.notify.endpoint) {
-      options.url = config.notify.endpoint
-    }
-
-    request(options);
-
   }
 }