view app/controllers/messages_controller.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  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_message, :except => [:new, :preview]
  before_filter :authorize, :except => [:preview, :edit, :destroy]

  verify :method => :post, :only => [ :reply, :destroy ], :redirect_to => { :action => :show }
  verify :xhr => true, :only => :quote

  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.count(:conditions => ["#{Message.table_name}.id < ?", params[:r].to_i])
      page = 1 + offset / REPLIES_PER_PAGE
    end

    @reply_count = @topic.children.count
    @reply_pages = Paginator.new self, @reply_count, REPLIES_PER_PAGE, page
    @replies =  @topic.children.find(:all, :include => [:author, :attachments, {:board => :project}],
                                           :order => "#{Message.table_name}.created_on ASC",
                                           :limit => @reply_pages.items_per_page,
                                           :offset => @reply_pages.current.offset)

    @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
      call_hook(:controller_messages_new_after_save, { :params => params, :message => @message})
      attachments = Attachment.attach_files(@message, params[:attachments])
      render_attachment_warning_if_needed(@message)
      redirect_to :action => 'show', :id => @message
    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 :action => 'show', :id => @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 :action => 'show', :board_id => @message.board, :id => @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)
    @message.destroy
    redirect_to @message.parent.nil? ?
      { :controller => 'boards', :action => 'show', :project_id => @project, :id => @board } :
      { :action => 'show', :id => @message.parent, :r => @message }
  end

  def quote
    user = @message.author
    text = @message.content
    subject = @message.subject.gsub('"', '\"')
    subject = "RE: #{subject}" unless subject.starts_with?('RE:')
    content = "#{ll(Setting.default_language, :text_user_wrote, user)}\\n> "
    content << text.to_s.strip.gsub(%r{<pre>((.|\s)*?)</pre>}m, '[...]').gsub('"', '\"').gsub(/(\r?\n|\r\n?)/, "\\n> ") + "\\n\\n"
    render(:update) { |page|
      page << "$('message_subject').value = \"#{subject}\";"
      page.<< "$('message_content').value = \"#{content}\";"
      page.show 'reply'
      page << "Form.Element.focus('message_content');"
      page << "Element.scrollTo('reply');"
      page << "$('message_content').scrollTop = $('message_content').scrollHeight - $('message_content').clientHeight;"
    }
  end

  def preview
    message = @board.messages.find_by_id(params[:id])
    @attachements = message.attachments if message
    @text = (params[:message] || params[:reply])[:content]
    render :partial => 'common/preview'
  end

private
  def find_message
    find_board
    @message = @board.messages.find(params[:id], :include => :parent)
    @topic = @message.root
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def find_board
    @board = Board.find(params[:board_id], :include => :project)
    @project = @board.project
  rescue ActiveRecord::RecordNotFound
    render_404
  end
end