Allow commits to reference issues of parent projects and subprojects (#4674).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3357 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/changeset.rb

@@ -41,6 +41,9 @@ class Changeset < ActiveRecord::Base
   validates_uniqueness_of :revision, :scope => :repository_id
   validates_uniqueness_of :scmid, :scope => :repository_id, :allow_nil => true
   
+  named_scope :visible, lambda {|*args| { :include => {:repository => :project},
+                                          :conditions => Project.allowed_to_condition(args.first || User.current, :view_changesets) } }
+                                          
   def revision=(r)
     write_attribute :revision, (r.nil? ? nil : r.to_s)
   end
@@ -90,13 +93,13 @@ class Changeset < ActiveRecord::Base
       # find any issue ID in the comments
       target_issue_ids = []
       comments.scan(%r{([\s\(\[,-]|^)#(\d+)(?=[[:punct:]]|\s|<|$)}).each { |m| target_issue_ids << m[1] }
-      referenced_issues += repository.project.issues.find_all_by_id(target_issue_ids)
+      referenced_issues += find_referenced_issues_by_id(target_issue_ids)
     end
     
     comments.scan(Regexp.new("(#{kw_regexp})[\s:]+(([\s,;&]*#?\\d+)+)", Regexp::IGNORECASE)).each do |match|
       action = match[0]
       target_issue_ids = match[1].scan(/\d+/)
-      target_issues = repository.project.issues.find_all_by_id(target_issue_ids)
+      target_issues = find_referenced_issues_by_id(target_issue_ids)
       if fix_status && fix_keywords.include?(action.downcase)
         # update status of issues
         logger.debug "Issues fixed by changeset #{self.revision}: #{issue_ids.join(', ')}." if logger && logger.debug?
@@ -148,6 +151,14 @@ class Changeset < ActiveRecord::Base
   
   private
 
+  # Finds issues that can be referenced by the commit message
+  # i.e. issues that belong to the repository project, a subproject or a parent project
+  def find_referenced_issues_by_id(ids)
+    Issue.find_all_by_id(ids, :include => :project).select {|issue|
+      project == issue.project || project.is_ancestor_of?(issue.project) || project.is_descendant_of?(issue.project)
+    }
+  end
+  
   def split_comments
     comments =~ /\A(.+?)\r?\n(.*)$/m
     @short_comments = $1 || comments