[#805] Add the Watchers sidebar to Wiki Pages

app/controllers/watchers_controller.rb

@@ -16,7 +16,8 @@ class WatchersController < ApplicationController
   before_filter :find_project
   before_filter :require_login, :check_project_privacy, :only => [:watch, :unwatch]
   before_filter :authorize, :only => [:new, :destroy]
-
+  before_filter :authorize_access_to_object, :only => [:new, :destroy]
+  
   verify :method => :post,
          :only => [ :watch, :unwatch ],
          :render => { :nothing => true, :status => :method_not_allowed }
@@ -97,4 +98,28 @@ private
   rescue ::ActionController::RedirectBackError
     render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true
   end
+
+  def authorize_access_to_object
+    allowed = false
+    
+    case @watched.class.to_s
+    when "Issue"
+      if params[:action] == 'new'
+        allowed = true if User.current.allowed_to?(:add_issue_watchers, @project)
+      end
+      if params[:action] == 'destroy'
+        allowed = true if User.current.allowed_to?(:delete_issue_watchers, @project)
+      end
+    when "WikiPage"
+      if params[:action] == 'new'
+        allowed = true if User.current.allowed_to?(:add_wiki_page_watchers, @project)
+      end
+      if params[:action] == 'destroy'
+        allowed = true if User.current.allowed_to?(:delete_wiki_page_watchers, @project)
+      end
+    end
+
+    deny_access unless allowed
+  end
+  
 end

app/views/watchers/_watchers.rhtml

@@ -1,10 +1,10 @@
 <div class="contextual">
-<%= link_to_function(l(:button_add), "$('new-watcher-form').toggle();") if User.current.allowed_to?(:add_issue_watchers, @project) %>
+<%= link_to_function(l(:button_add), "$('new-watcher-form').toggle();") if User.current.allowed_to?("add_#{watched.class.name.underscore}_watchers".to_sym, @project) %>
 </div>
 
 <h3><%= l(:label_issue_watchers) %> (<%= watched.watcher_users.size %>)</h3>
 
-<% if User.current.allowed_to?(:add_issue_watchers, @project) %>
+<% if User.current.allowed_to?("add_#{watched.class.name.underscore}_watchers".to_sym, @project) %>
 	<% remote_form_for(:watcher, @watcher, 
                 	   :url => {:controller => 'watchers',
               	              :action => 'new',

app/views/wiki/show.rhtml

@@ -59,6 +59,14 @@
 
 <% content_for :sidebar do %>
   <%= render :partial => 'wiki/sidebar' %>
+
+  <% if User.current.allowed_to?(:add_wiki_page_watchers, @project) ||
+    (@page.watchers.present? && User.current.allowed_to?(:view_wiki_page_watchers, @project)) %>
+    <div id="watchers">
+      <%= render :partial => 'watchers/watchers', :locals => {:watched => @page} %>
+    </div>
+  <% end %>
+
 <% end %>
 
 <% html_title h(@page.pretty_title) %>

lib/redmine.rb

@@ -136,6 +136,9 @@ Redmine::AccessControl.map do |map|
     map.permission :edit_wiki_pages, :wiki => [:edit, :update, :preview, :add_attachment]
     map.permission :delete_wiki_pages_attachments, {}
     map.permission :protect_wiki_pages, {:wiki => :protect}, :require => :member
+    map.permission :view_wiki_page_watchers, {}
+    map.permission :add_wiki_page_watchers, {:watchers => :new}
+    map.permission :delete_wiki_page_watchers, {:watchers => :destroy}
   end
 
   map.project_module :repository do |map|

test/fixtures/roles.yml

@@ -45,6 +45,9 @@ roles_001:
     - :protect_wiki_pages
     - :delete_wiki_pages
     - :rename_wiki_pages
+    - :view_wiki_page_watchers
+    - :add_wiki_page_watchers
+    - :delete_wiki_page_watchers
     - :add_messages
     - :edit_messages
     - :delete_messages

test/functional/watchers_controller_test.rb

@@ -19,7 +19,8 @@ class WatchersController; def rescue_action(e) raise e end; end
 
 class WatchersControllerTest < ActionController::TestCase
   fixtures :projects, :users, :roles, :members, :member_roles, :enabled_modules,
-           :issues, :trackers, :projects_trackers, :issue_statuses, :enumerations, :watchers
+           :issues, :trackers, :projects_trackers, :issue_statuses, :enumerations, :watchers,
+           :wikis, :wiki_pages
 
   def setup
     @controller = WatchersController.new
@@ -145,9 +146,58 @@ class WatchersControllerTest < ActionController::TestCase
       end
       assert Issue.find(2).watched_by?(@group)
     end
+
+  end
+  
+  def test_new_multiple_users_watching_wiki_page
+    Role.find(1).add_permission! :add_wiki_page_watchers
+
+    @request.session[:user_id] = 2
+    @page = WikiPage.find(1)
+    assert !@page.watched_by?(User.find(2))
+    assert !@page.watched_by?(User.find(4))
+    assert !@page.watched_by?(User.find(7))
+    
+    assert_difference('Watcher.count', 3) do
+      xhr :post, :new, :object_type => 'wiki_page', :object_id => '1', :user_ids => ['2','4','7']
+      assert_response :success
+      assert_select_rjs :replace_html, 'watchers'
+    end
+    @page.reload
+    assert @page.watched_by?(User.find(2))
+    assert @page.watched_by?(User.find(4))
+    assert @page.watched_by?(User.find(7))
+  end
+
+  def test_new_issue_watcher_without_permission
+    Role.find(1).remove_permission! :add_issue_watchers
+
+    @request.session[:user_id] = 2
+    assert_difference('Watcher.count',0) do
+      xhr :post, :new, :object_type => 'issue', :object_id => '2', :user_ids => ['4']
+      assert_response :forbidden
+    end
+    assert !Issue.find(2).watched_by?(User.find(4))
+
+  end
+  
+  def test_remove_wiki_page_watcher_without_permission
+    Role.find(1).remove_permission! :delete_wiki_page_watchers
+
+    @request.session[:user_id] = 2
+    @page = WikiPage.find(1)
+
+    assert_difference('Watcher.count',0) do
+      xhr :post, :new, :object_type => 'wiki_page', :object_id => '1', :user_ids => ['2']
+      assert_response :forbidden
+    end
+    assert !WikiPage.find(1).watched_by?(User.find(2))
+
   end
 
   def test_remove_watcher
+    Role.find(1).add_permission! :delete_issue_watchers
+    
     @request.session[:user_id] = 2
     assert_difference('Watcher.count', -1) do
       xhr :post, :destroy, :object_type => 'issue', :object_id => '2', :user_id => '3'
@@ -175,4 +225,48 @@ class WatchersControllerTest < ActionController::TestCase
     
   end
   
+  def test_remove_wiki_page_watcher
+    Role.find(1).add_permission! :delete_wiki_page_watchers
+
+    @request.session[:user_id] = 2
+    @page = WikiPage.find(1)
+    Watcher.create!(:user_id => 2, :watchable => @page)
+    assert @page.watched_by?(User.find(2))
+    
+    assert_difference('Watcher.count', -1) do
+      xhr :post, :destroy, :object_type => 'wiki_page', :object_id => '1', :user_id => '2'
+      assert_response :success
+      assert_select_rjs :replace_html, 'watchers'
+    end
+    assert !WikiPage.find(1).watched_by?(User.find(2))
+  end
+
+  def test_remove_issue_watcher_without_permission
+    Role.find(1).remove_permission! :delete_issue_watchers
+
+    @request.session[:user_id] = 2
+    assert_difference('Watcher.count',0) do
+      xhr :post, :destroy, :object_type => 'issue', :object_id => '2', :user_id => '3'
+      assert_response :forbidden
+    end
+    assert Issue.find(2).watched_by?(User.find(3))
+
+  end
+  
+  def test_remove_wiki_page_watcher_without_permission
+    Role.find(1).remove_permission! :delete_wiki_page_watchers
+
+    @request.session[:user_id] = 2
+    @page = WikiPage.find(1)
+    Watcher.create!(:user_id => 2, :watchable => @page)
+    assert @page.watched_by?(User.find(2))
+
+    assert_difference('Watcher.count',0) do
+      xhr :post, :destroy, :object_type => 'wiki_page', :object_id => '1', :user_id => '2'
+      assert_response :forbidden
+    end
+    assert WikiPage.find(1).watched_by?(User.find(2))
+
+  end
+  
 end