From 521346a65034e1624445fbbe129680d7f2b0f941 Mon Sep 17 00:00:00 2001
From: Martin Edenhofer <me@edenhofer.de>
Date: Fri, 16 Aug 2013 00:21:47 +0200
Subject: [PATCH] Moved to separate Ticket::Number class/adapter.

---
 app/models/ticket/number.rb | 58 +++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 app/models/ticket/number.rb

diff --git a/app/models/ticket/number.rb b/app/models/ticket/number.rb
new file mode 100644
index 000000000..1bcfd6403
--- /dev/null
+++ b/app/models/ticket/number.rb
@@ -0,0 +1,58 @@
+# Copyright (C) 2012-2013 Zammad Foundation, http://zammad-foundation.org/
+
+class Ticket::Number < ApplicationLib
+
+=begin
+
+generate new ticket number
+
+  result = Ticket::Number.generate
+
+returns
+
+  result = "1234556" # new ticket number
+
+=end
+
+  def self.generate
+    
+    # generate number
+    (1..50_000).each { |i|
+      number = adapter.generate
+      ticket = Ticket.where( :number => number ).first
+      return number if !ticket
+    }
+    raise "Can't generate new ticket number!"
+  end
+
+=begin
+
+check if string contrains a valid ticket number
+
+  result = Ticket::Number.check('some string [Ticket#123456]')
+
+returns
+
+  result = ticket # Ticket model of ticket with matching ticket number
+
+=end
+
+  def self.check(string)
+    adapter.check(string)
+  end
+
+  def self.adapter
+
+    # load backend based on config
+    adapter_name = Setting.get('ticket_number')
+    if !adapter_name
+      raise "Missing ticket_number setting option"
+    end
+    adapter = self.load_adapter(adapter_name)
+    if !adapter
+      raise "Can't load ticket_number adapter '#{adapter_name}'"
+    end
+    adapter
+  end
+end
+