From e33beacdea4936267aa9ba28db2a88a82eb99f9b Mon Sep 17 00:00:00 2001
From: Rolf Schmidt <rolf.schmidt@znuny.com>
Date: Thu, 8 Oct 2015 10:42:13 +0200
Subject: [PATCH] Added function to rebuild article signature detection for all
 articles.

---
 lib/signature_detection.rb | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/lib/signature_detection.rb b/lib/signature_detection.rb
index 435d21066..0667b3d8b 100644
--- a/lib/signature_detection.rb
+++ b/lib/signature_detection.rb
@@ -139,6 +139,7 @@ returns
       article = ticket.articles.first
       article_bodies.push article.body
     }
+
     find_signature( article_bodies )
   end
 
@@ -157,14 +158,46 @@ returns
   def self.rebuild_all
 
     User.select('id').where(active: true).each {|local_user|
+
       signature_detection = by_user_id(local_user.id)
       next if !signature_detection
+
       user = User.find(local_user.id)
       next if user.preferences[:signature_detection] == signature_detection
+
       user.preferences[:signature_detection] = signature_detection
       user.save
     }
     true
   end
 
+=begin
+
+rebuild signature for all articles
+
+  SignatureDetection.rebuild_all_articles
+
+returns
+
+  true/false
+
+=end
+
+  def self.rebuild_all_articles
+
+    Ticket::Article.all.each {|article|
+
+      user = User.find(article.created_by_id)
+      next if !user.preferences[:signature_detection]
+
+      signature_line = find_signature_line(user.preferences[:signature_detection], article.body)
+      next if !signature_line
+      next if article.preferences[:signature_detection] == signature_line
+
+      article.preferences[:signature_detection] = signature_line
+      article.save
+    }
+    true
+  end
+
 end