summaryrefslogtreecommitdiffstats
path: root/app/controllers/messages_controller.rb
blob: 2bbce2d1d5a5e403ec71badc1eb5a4e5468d7dee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
# 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>((.|\s)*?)</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