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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
# 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.
require 'diff'
class WikiController < ApplicationController
before_filter :find_wiki, :authorize
before_filter :find_existing_page, :only => [:rename, :protect, :history, :diff, :annotate, :add_attachment, :destroy]
verify :method => :post, :only => [:destroy, :protect], :redirect_to => { :action => :index }
helper :attachments
include AttachmentsHelper
# display a page (in editing mode if it doesn't exist)
def index
page_title = params[:page]
@page = @wiki.find_or_new_page(page_title)
if @page.new_record?
if User.current.allowed_to?(:edit_wiki_pages, @project)
edit
render :action => 'edit'
else
render_404
end
return
end
if params[:version] && !User.current.allowed_to?(:view_wiki_edits, @project)
# Redirects user to the current version if he's not allowed to view previous versions
redirect_to :version => nil
return
end
@content = @page.content_for_version(params[:version])
if params[:export] == 'html'
export = render_to_string :action => 'export', :layout => false
send_data(export, :type => 'text/html', :filename => "#{@page.title}.html")
return
elsif params[:export] == 'txt'
send_data(@content.text, :type => 'text/plain', :filename => "#{@page.title}.txt")
return
end
@editable = editable?
render :action => 'show'
end
# edit an existing page or a new one
def edit
@page = @wiki.find_or_new_page(params[:page])
return render_403 unless editable?
@page.content = WikiContent.new(:page => @page) if @page.new_record?
@content = @page.content_for_version(params[:version])
@content.text = initial_page_content(@page) if @content.text.blank?
# don't keep previous comment
@content.comments = nil
if request.get?
# To prevent StaleObjectError exception when reverting to a previous version
@content.version = @page.content.version
else
if !@page.new_record? && @content.text == params[:content][:text]
# don't save if text wasn't changed
redirect_to :action => 'index', :id => @project, :page => @page.title
return
end
#@content.text = params[:content][:text]
#@content.comments = params[:content][:comments]
@content.attributes = params[:content]
@content.author = User.current
# if page is new @page.save will also save content, but not if page isn't a new record
if (@page.new_record? ? @page.save : @content.save)
call_hook(:controller_wiki_edit_after_save, { :params => params, :page => @page})
redirect_to :action => 'index', :id => @project, :page => @page.title
end
end
rescue ActiveRecord::StaleObjectError
# Optimistic locking exception
flash[:error] = l(:notice_locking_conflict)
end
# rename a page
def rename
return render_403 unless editable?
@page.redirect_existing_links = true
# used to display the *original* title if some AR validation errors occur
@original_title = @page.pretty_title
if request.post? && @page.update_attributes(params[:wiki_page])
flash[:notice] = l(:notice_successful_update)
redirect_to :action => 'index', :id => @project, :page => @page.title
end
end
def protect
@page.update_attribute :protected, params[:protected]
redirect_to :action => 'index', :id => @project, :page => @page.title
end
# show page history
def history
@version_count = @page.content.versions.count
@version_pages = Paginator.new self, @version_count, per_page_option, params['p']
# don't load text
@versions = @page.content.versions.find :all,
:select => "id, author_id, comments, updated_on, version",
:order => 'version DESC',
:limit => @version_pages.items_per_page + 1,
:offset => @version_pages.current.offset
render :layout => false if request.xhr?
end
def diff
@diff = @page.diff(params[:version], params[:version_from])
render_404 unless @diff
end
def annotate
@annotate = @page.annotate(params[:version])
render_404 unless @annotate
end
# remove a wiki page and its history
def destroy
return render_403 unless editable?
@page.destroy
redirect_to :action => 'special', :id => @project, :page => 'Page_index'
end
# display special pages
def special
page_title = params[:page].downcase
case page_title
# show pages index, sorted by title
when 'page_index', 'date_index'
# eager load information about last updates, without loading text
@pages = @wiki.pages.find :all, :select => "#{WikiPage.table_name}.*, #{WikiContent.table_name}.updated_on",
:joins => "LEFT JOIN #{WikiContent.table_name} ON #{WikiContent.table_name}.page_id = #{WikiPage.table_name}.id",
:order => 'title'
@pages_by_date = @pages.group_by {|p| p.updated_on.to_date}
@pages_by_parent_id = @pages.group_by(&:parent_id)
# export wiki to a single html file
when 'export'
@pages = @wiki.pages.find :all, :order => 'title'
export = render_to_string :action => 'export_multiple', :layout => false
send_data(export, :type => 'text/html', :filename => "wiki.html")
return
else
# requested special page doesn't exist, redirect to default page
redirect_to :action => 'index', :id => @project, :page => nil and return
end
render :action => "special_#{page_title}"
end
def preview
page = @wiki.find_page(params[:page])
# page is nil when previewing a new page
return render_403 unless page.nil? || editable?(page)
if page
@attachements = page.attachments
@previewed = page.content
end
@text = params[:content][:text]
render :partial => 'common/preview'
end
def add_attachment
return render_403 unless editable?
attach_files(@page, params[:attachments])
redirect_to :action => 'index', :page => @page.title
end
private
def find_wiki
@project = Project.find(params[:id])
@wiki = @project.wiki
render_404 unless @wiki
rescue ActiveRecord::RecordNotFound
render_404
end
# Finds the requested page and returns a 404 error if it doesn't exist
def find_existing_page
@page = @wiki.find_page(params[:page])
render_404 if @page.nil?
end
# Returns true if the current user is allowed to edit the page, otherwise false
def editable?(page = @page)
page.editable_by?(User.current)
end
# Returns the default content of a new wiki page
def initial_page_content(page)
helper = Redmine::WikiFormatting.helper_for(Setting.text_formatting)
extend helper unless self.instance_of?(helper)
helper.instance_method(:initial_page_content).bind(self).call(page)
end
end
|
