Adds REST API for issue relations (#7366).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@6176 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/issues/_relations.rhtml

@@ -20,7 +20,7 @@
 <td class="start_date"><%= format_date(relation.other_issue(@issue).start_date) %></td>
 <td class="due_date"><%= format_date(relation.other_issue(@issue).due_date) %></td>
 <td class="buttons"><%= link_to_remote(image_tag('link_break.png'), { :url => {:controller => 'issue_relations', :action => 'destroy', :issue_id => @issue, :id => relation},                                              
-                                                  :method => :post
+                                                  :method => :delete
                                                 }, :title => l(:label_relation_delete)) if authorize_for('issue_relations', 'destroy') %></td>
 </tr>
 <% end %>
@@ -29,7 +29,7 @@
 <% end %>
 
 <% remote_form_for(:relation, @relation, 
-                 :url => {:controller => 'issue_relations', :action => 'new', :issue_id => @issue},
+                 :url => {:controller => 'issue_relations', :action => 'create', :issue_id => @issue},
                  :method => :post,
                  :complete => "Form.Element.focus('relation_issue_to_id');",
                  :html => {:id => 'new-relation-form', :style => (@relation ? '' : 'display: none;')}) do |f| %>

app/views/issues/show.api.rsb

@@ -27,7 +27,7 @@ api.issue do
   
   api.array :relations do
     @relations.each do |relation|
-      api.relation(:id => relation.id, :issue_id => relation.other_issue(@issue).id, :relation_type => relation.relation_type_for(@issue), :delay => relation.delay)
+      api.relation(:id => relation.id, :issue_id => relation.issue_from_id, :issue_to_id => relation.issue_to_id, :relation_type => relation.relation_type_for(@issue), :delay => relation.delay)
     end
   end if include_in_api_response?('relations') && @relations.present?