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# redMine - project management software

# Copyright (C) 2006-2007  Jean-Philippe Lang

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

# 

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

# 

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class IssueRelationsController < ApplicationController

  before_filter :find_issue, :find_project_from_association, :authorize

  def new

    @relation = IssueRelation.new(params[:relation])

    @relation.issue_from = @issue

    if params[:relation] && m = params[:relation][:issue_to_id].to_s.match(/^#?(\d+)$/)

      @relation.issue_to = Issue.visible.find_by_id(m[1].to_i)

    end

    @relation.save if request.post?

    respond_to do |format|

      format.html { redirect_to :controller => 'issues', :action => 'show', :id => @issue }

      format.js do

        @relations = @issue.relations.select {|r| r.other_issue(@issue) && r.other_issue(@issue).visible? }

        render :update do |page|

          page.replace_html "relations", :partial => 'issues/relations'

          if @relation.errors.empty?

            page << "$('relation_delay').value = ''"

            page << "$('relation_issue_to_id').value = ''"

          end

        end

      end

    end

  end

  def destroy

    relation = IssueRelation.find(params[:id])

    if request.post? && @issue.relations.include?(relation)

      relation.destroy

      @issue.reload

    end

    respond_to do |format|

      format.html { redirect_to :controller => 'issues', :action => 'show', :id => @issue }

      format.js {

        @relations = @issue.relations.select {|r| r.other_issue(@issue) && r.other_issue(@issue).visible? }

        render(:update) {|page| page.replace_html "relations", :partial => 'issues/relations'}

      }

    end

  end

private

  def find_issue

    @issue = @object = Issue.find(params[:issue_id])

  rescue ActiveRecord::RecordNotFound

    render_404

  end

end