Add HipChat support

config/locales/client.en.yml

@@ -82,4 +82,20 @@ en:
               help: "A name to describe the channel. It is not used for the connection to Discord."
             webhook_url:
               title: Webhook URL
-              help: The webhook URL created in your Discord server settings
+              help: The webhook URL created in your Discord server settings
+
+        #######################################
+        ########### HIPCHAT STRINGS ###########
+        #######################################
+        hipchat:
+          title: "HipChat"
+          param:
+            name:
+              title: "Name"
+              help: "A name to describe the channel. It is not used for the connection to HipChat."
+            webhook_url:
+              title: Webhook URL
+              help: The webhook URL created in your HipChat integration
+            color:
+              title: Color
+              help: The colour of the message in HipChat. Must be one of yellow,green,red,purple,gray,random

config/locales/server.en.yml

@@ -31,6 +31,13 @@ en:
     #######################################
     chat_integration_discord_enabled: "Enable the Discord chat-integration provider"
     chat_integration_discord_excerpt_length: "Discord post excerpt length"
+
+    #######################################
+    ########## HIPCHAT SETTINGS ###########
+    #######################################
+    chat_integration_hipchat_enabled: "Enable the Hipchat chat-integration provider"
+    chat_integration_icon_url: "Icon for posts to hipchat (defaults to forum logo)"
+    chat_integration_hipchat_excerpt_length: "Hipchat post excerpt length"
   
   chat_integration:
     
@@ -122,4 +129,10 @@ en:
 
           <b>List rules:</b> <code>/status</code>
           
-          <b>Help:</b> <code>/help</code>
+          <b>Help:</b> <code>/help</code>
+
+      #######################################
+      ########### HIPCHAT STRINGS ###########
+      #######################################
+      hipchat:
+        message: <b>%{user}</b> posted in <a href="%{post_url}">%{title}</a>

config/settings.yml

@@ -47,4 +47,14 @@ plugins:
   chat_integration_discord_enabled:
     default: false
   chat_integration_discord_excerpt_length:
-    default: 400
+    default: 400
+
+#######################################
+########## HIPCHAT SETTINGS ###########
+#######################################
+  chat_integration_hipchat_enabled:
+    default: false
+  chat_integration_hipchat_icon_url:
+    default: ''
+  chat_integration_hipchat_excerpt_length:
+    default: 400

lib/discourse_chat/provider.rb

@@ -91,4 +91,5 @@ end
 
 require_relative "provider/slack/slack_provider.rb"
 require_relative "provider/telegram/telegram_provider.rb"
-require_relative "provider/discord/discord_provider.rb"
+require_relative "provider/discord/discord_provider.rb"
+require_relative "provider/hipchat/hipchat_provider.rb"

lib/discourse_chat/provider/hipchat/hipchat_provider.rb

@@ -0,0 +1,93 @@
+module DiscourseChat
+  module Provider
+    module HipchatProvider
+      PROVIDER_NAME = "hipchat".freeze
+      PROVIDER_ENABLED_SETTING = :chat_integration_hipchat_enabled
+      CHANNEL_PARAMETERS = [
+                        {key: "name", regex: '^\S+'},
+                        {key: "webhook_url", regex: 'hipchat\.com'},
+                        {key: "color", regex: '(yellow|green|red|purple|gray|random)'}
+                       ]
+
+      def self.send_message(url, message)
+        uri = URI(url)
+
+        http = Net::HTTP.new(uri.host, uri.port)
+        http.use_ssl = true
+
+        req = Net::HTTP::Post.new(uri, 'Content-Type' =>'application/json')
+        req.body = message.to_json
+        response = http.request(req)
+
+        return response
+      end
+
+      def self.generate_hipchat_message(post)
+
+        display_name = "@#{post.user.username}"
+        full_name = post.user.name || ""
+
+        if !(full_name.strip.empty?) && (full_name.strip.gsub(' ', '_').casecmp(post.user.username) != 0) && (full_name.strip.gsub(' ', '').casecmp(post.user.username) != 0)
+          display_name = "#{full_name} @#{post.user.username}"
+        end
+
+        topic = post.topic
+
+        message_text = I18n.t(
+            "chat_integration.provider.hipchat.message",
+            user: display_name,
+            post_url: post.full_url,
+            title: CGI::escapeHTML(topic.title),
+          )
+
+        icon_url = 
+          if !SiteSetting.chat_integration_hipchat_icon_url.blank?
+            UrlHelper.absolute(SiteSetting.chat_integration_hipchat_icon_url)
+          elsif !SiteSetting.logo_small_url.blank?
+            UrlHelper.absolute(SiteSetting.logo_small_url)
+          end
+
+        message = {
+          message: message_text, # Fallback for clients that don't support the card markup
+          notify: true,
+
+          card: {
+            style: "application",
+            url: post.full_url,
+            format: "medium",
+            id: "discoursecard:#{post.id}",
+            title: topic.title,
+            description: post.excerpt(SiteSetting.chat_integration_hipchat_excerpt_length, text_entities: true, strip_links: true, remap_emoji: true),
+            icon: {
+              url: icon_url,
+            },
+            activity: {
+              html: message_text       
+            }
+          }
+
+        }
+
+        return message
+      end
+
+      def self.trigger_notification(post, channel)
+        
+        webhook_url = channel.data['webhook_url']
+
+        message = generate_hipchat_message(post)
+
+        message[:color] = channel.data['color']
+
+        response = send_message(webhook_url, message)
+
+        if not response.kind_of? Net::HTTPSuccess
+          error_key = nil
+          raise ::DiscourseChat::ProviderError.new info: {error_key: error_key, message: message, response_body:response.body}  
+        end
+
+      end
+
+    end
+  end
+end

spec/lib/discourse_chat/provider/hipchat/hipchat_provider_spec.rb

@@ -0,0 +1,28 @@
+require 'rails_helper'
+
+RSpec.describe DiscourseChat::Provider::HipchatProvider do
+  let(:post) { Fabricate(:post) }
+
+  describe '.trigger_notifications' do
+    before do
+      SiteSetting.chat_integration_hipchat_enabled = true
+    end
+
+    let(:chan1){DiscourseChat::Channel.create!(provider:'hipchat', data:{name: "Awesome Channel", webhook_url: 'https://blah.hipchat.com/abcd', color: "red"})}
+
+    it 'sends a webhook request' do
+      stub1 = stub_request(:post, 'https://blah.hipchat.com/abcd').to_return(status: 200)
+      described_class.trigger_notification(post, chan1)
+      expect(stub1).to have_been_requested.once
+    end
+
+    it 'handles errors correctly' do 
+      stub1 = stub_request(:post, "https://blah.hipchat.com/abcd").to_return(status: 400)
+      expect(stub1).to have_been_requested.times(0)
+      expect{described_class.trigger_notification(post, chan1)}.to raise_exception(::DiscourseChat::ProviderError)
+      expect(stub1).to have_been_requested.once
+    end
+
+  end
+
+end