From 87712a5b347d34780e17f2a5be52f90e2561954c Mon Sep 17 00:00:00 2001
From: Martin Edenhofer <me@edenhofer.de>
Date: Thu, 12 Nov 2015 23:56:56 +0100
Subject: [PATCH] Broadcast agent state update after closing or adding a chat
 session.

---
 lib/sessions/event/chat_base.rb          | 12 ++++++++++++
 lib/sessions/event/chat_session_close.rb | 15 +++++++++++++--
 lib/sessions/event/chat_session_start.rb |  2 ++
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/lib/sessions/event/chat_base.rb b/lib/sessions/event/chat_base.rb
index bdc790cdd..e687cf2a8 100644
--- a/lib/sessions/event/chat_base.rb
+++ b/lib/sessions/event/chat_base.rb
@@ -23,4 +23,16 @@ class Sessions::Event::ChatBase
     false
   end
 
+  def broadcast_agent_state_update
+
+    # send broadcast to agents
+    Chat::Agent.where(active: true).each {|item|
+      data = {
+        event: 'chat_status_agent',
+        data: Chat.agent_state(item.updated_by_id),
+      }
+      Sessions.send_to(item.updated_by_id, data)
+    }
+  end
+
 end
diff --git a/lib/sessions/event/chat_session_close.rb b/lib/sessions/event/chat_session_close.rb
index 4856dfe63..d0f0005ad 100644
--- a/lib/sessions/event/chat_session_close.rb
+++ b/lib/sessions/event/chat_session_close.rb
@@ -26,8 +26,14 @@ class Sessions::Event::ChatSessionClose < Sessions::Event::ChatBase
       realname = User.find(@session['id']).fullname
     end
 
-    # notify about "leaving"
-    if @session && chat_session.user_id == @session['id']
+    # check count of participents
+    participents_count = 0
+    if chat_session.preferences[:participents]
+      participents_count = chat_session.preferences[:participents].count
+    end
+
+    # notify about "closing"
+    if participents_count < 2 || (@session && chat_session.user_id == @session['id'])
       message = {
         event: 'chat_session_closed',
         data: {
@@ -39,6 +45,11 @@ class Sessions::Event::ChatSessionClose < Sessions::Event::ChatBase
       # close session if host is closing it
       chat_session.state = 'closed'
       chat_session.save
+
+      # set state update to all agents
+      broadcast_agent_state_update
+
+    # notify about "leaving"
     else
       message = {
         event: 'chat_session_left',
diff --git a/lib/sessions/event/chat_session_start.rb b/lib/sessions/event/chat_session_start.rb
index 8de9fce3f..4f14df7f9 100644
--- a/lib/sessions/event/chat_session_start.rb
+++ b/lib/sessions/event/chat_session_start.rb
@@ -53,6 +53,8 @@ class Sessions::Event::ChatSessionStart < Sessions::Event::ChatBase
       local_chat_session.send_to_recipients(data)
     }
 
+    broadcast_agent_state_update
+
     nil
   end
 end