From 288c014aa7aa608751dbafeb2c8b358f2fec5c22 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sat, 29 Nov 2014 13:41:53 +0000
Subject: Edit attachments after upload (#1326).

git-svn-id: http://svn.redmine.org/redmine/trunk@13665 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/models/attachment.rb | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'app/models/attachment.rb')

diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index da82088f2..42690912a 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -166,6 +166,14 @@ class Attachment < ActiveRecord::Base
     end
   end
 
+  def editable?(user=User.current)
+    if container_id
+      container && container.attachments_editable?(user)
+    else
+      author == user
+    end
+  end
+
   def deletable?(user=User.current)
     if container_id
       container && container.attachments_deletable?(user)
@@ -254,6 +262,35 @@ class Attachment < ActiveRecord::Base
     result
   end
 
+  # Updates the filename and description of a set of attachments
+  # with the given hash of attributes. Returns true if all
+  # attachments were updated.
+  #
+  # Example:
+  #   Attachment.update_attachments(attachments, {
+  #     4 => {:filename => 'foo'},
+  #     7 => {:filename => 'bar', :description => 'file description'}
+  #   })
+  #
+  def self.update_attachments(attachments, params)
+    params = params.transform_keys {|key| key.to_i}
+
+    saved = true
+    transaction do
+      attachments.each do |attachment|
+        if p = params[attachment.id]
+          attachment.filename = p[:filename] if p.key?(:filename)
+          attachment.description = p[:description] if p.key?(:description)
+          saved &&= attachment.save
+        end
+      end
+      unless saved
+        raise ActiveRecord::Rollback
+      end
+    end
+    saved
+  end
+
   def self.latest_attach(attachments, filename)
     attachments.sort_by(&:created_on).reverse.detect do |att|
       att.filename.downcase == filename.downcase
-- 
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