Redmine/app/views/issues/show.apit

api.issue do
  api.id					@issue.id
	api.project(:id => @issue.project_id, :name => @issue.project.name) unless @issue.project.nil?
	api.tracker(:id => @issue.tracker_id, :name => @issue.tracker.name) unless @issue.tracker.nil?
	api.status(:id => @issue.status_id, :name => @issue.status.name) unless @issue.status.nil?
	api.priority(:id => @issue.priority_id, :name => @issue.priority.name) unless @issue.priority.nil?
 	api.author(:id => @issue.author_id, :name => @issue.author.name) unless @issue.author.nil?
 	api.assigned_to(:id => @issue.assigned_to_id, :name => @issue.assigned_to.name) unless @issue.assigned_to.nil?
  api.category(:id => @issue.category_id, :name => @issue.category.name) unless @issue.category.nil?
  api.fixed_version(:id => @issue.fixed_version_id, :name => @issue.fixed_version.name) unless @issue.fixed_version.nil?
  api.parent(:id => @issue.parent_id) unless @issue.parent.nil?
  
  api.subject 		@issue.subject
  api.description @issue.description
  api.start_date 	@issue.start_date
  api.due_date 		@issue.due_date
  api.done_ratio 	@issue.done_ratio
  api.estimated_hours @issue.estimated_hours
  if User.current.allowed_to?(:view_time_entries, @project)
  	api.spent_hours		@issue.spent_hours
 	end
  
  api.array :custom_fields do
  	@issue.custom_field_values.each do |custom_value|
  		api.custom_field custom_value.value, :id => custom_value.custom_field_id, :name => custom_value.custom_field.name
  	end
  end unless @issue.custom_field_values.empty?
  
  api.created_on @issue.created_on
  api.updated_on @issue.updated_on
  
  render_api_issue_children(@issue, api)
  
  api.array :relations do
  	@issue.relations.select {|r| r.other_issue(@issue).visible? }.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)
  	end
  end
  
  api.array :changesets do
  	@issue.changesets.each do |changeset|
  		api.changeset :revision => changeset.revision do
  			api.user(:id => changeset.user_id, :name => changeset.user.name) unless changeset.user.nil?
  			api.comments changeset.comments
  			api.committed_on changeset.committed_on
  		end
  	end
  end if User.current.allowed_to?(:view_changesets, @project) && @issue.changesets.any?
  
  api.array :journals do
  	@issue.journals.each do |journal|
  		api.journal :id => journal.id do
			 	api.user(:id => journal.user_id, :name => journal.user.name) unless journal.user.nil?
  			api.notes journal.notes
  			api.array :details do
  				journal.details.each do |detail|
  					api.detail :property => detail.property, :name => detail.prop_key, :old => detail.old_value, :new => detail.value
  				end
  			end
  		end
  	end
  end unless @issue.journals.empty?
end