SoundSoftware Code Site

# Redmine - project management software

# Copyright (C) 2006-2014  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 MessagesController < ApplicationController

  menu_item :boards

  default_search_scope :messages

  before_filter :find_board, :only => [:new, :preview]

  before_filter :find_attachments, :only => [:preview]

  before_filter :find_message, :except => [:new, :preview]

  before_filter :authorize, :except => [:preview, :edit, :destroy]

  helper :boards

  helper :watchers

  helper :attachments

  include AttachmentsHelper

  REPLIES_PER_PAGE = 25 unless const_defined?(:REPLIES_PER_PAGE)

  # Show a topic and its replies

  def show

    page = params[:page]

    # Find the page of the requested reply

    if params[:r] && page.nil?

      offset = @topic.children.where("#{Message.table_name}.id < ?", params[:r].to_i).count

      page = 1 + offset / REPLIES_PER_PAGE

    end

    @reply_count = @topic.children.count

    @reply_pages = Paginator.new @reply_count, REPLIES_PER_PAGE, page

    @replies =  @topic.children.

      includes(:author, :attachments, {:board => :project}).

      reorder("#{Message.table_name}.created_on ASC").

      limit(@reply_pages.per_page).

      offset(@reply_pages.offset).

      all

    @reply = Message.new(:subject => "RE: #{@message.subject}")

    render :action => "show", :layout => false if request.xhr?

  end

  # Create a new topic

  def new

    @message = Message.new

    @message.author = User.current

    @message.board = @board

    @message.safe_attributes = params[:message]

    if request.post?

      @message.save_attachments(params[:attachments])

      if @message.save

        call_hook(:controller_messages_new_after_save, { :params => params, :message => @message})

        render_attachment_warning_if_needed(@message)

        redirect_to board_message_path(@board, @message)

      end

    end

  end

  # Reply to a topic

  def reply

    @reply = Message.new

    @reply.author = User.current

    @reply.board = @board

    @reply.safe_attributes = params[:reply]

    @topic.children << @reply

    if !@reply.new_record?

      call_hook(:controller_messages_reply_after_save, { :params => params, :message => @reply})

      attachments = Attachment.attach_files(@reply, params[:attachments])

      render_attachment_warning_if_needed(@reply)

    end

    redirect_to board_message_path(@board, @topic, :r => @reply)

  end

  # Edit a message

  def edit

    (render_403; return false) unless @message.editable_by?(User.current)

    @message.safe_attributes = params[:message]

    if request.post? && @message.save

      attachments = Attachment.attach_files(@message, params[:attachments])

      render_attachment_warning_if_needed(@message)

      flash[:notice] = l(:notice_successful_update)

      @message.reload

      redirect_to board_message_path(@message.board, @message.root, :r => (@message.parent_id && @message.id))

    end

  end

  # Delete a messages

  def destroy

    (render_403; return false) unless @message.destroyable_by?(User.current)

    r = @message.to_param

    @message.destroy

    if @message.parent

      redirect_to board_message_path(@board, @message.parent, :r => r)

    else

      redirect_to project_board_path(@project, @board)

    end

  end

  def quote

    @subject = @message.subject

    @subject = "RE: #{@subject}" unless @subject.starts_with?('RE:')

    @content = "#{ll(Setting.default_language, :text_user_wrote, @message.author)}\n> "

    @content << @message.content.to_s.strip.gsub(%r{<pre>(.*?)</pre>}m, '[...]').gsub(/(\r?\n|\r\n?)/, "\n> ") + "\n\n"

  end

  def preview

    message = @board.messages.find_by_id(params[:id])

    @text = (params[:message] || params[:reply])[:content]

    @previewed = message

    render :partial => 'common/preview'

  end

private

  def find_message

    return unless find_board

    @message = @board.messages.includes(:parent).find(params[:id])

    @topic = @message.root

  rescue ActiveRecord::RecordNotFound

    render_404

  end

  def find_board

    @board = Board.includes(:project).find(params[:board_id])

    @project = @board.project

  rescue ActiveRecord::RecordNotFound

    render_404

    nil

  end

end