REST API for retrieving wiki pages (#7082).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10716 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -36,6 +36,7 @@ class WikiController < ApplicationController
   before_filter :find_wiki, :authorize
   before_filter :find_existing_or_new_page, :only => [:show, :edit, :update]
   before_filter :find_existing_page, :only => [:rename, :protect, :history, :diff, :annotate, :add_attachment, :destroy, :destroy_version]
+  accept_api_auth :index, :show
 
   helper :attachments
   include AttachmentsHelper
@@ -45,7 +46,13 @@ class WikiController < ApplicationController
   # List of pages, sorted alphabetically and by parent (hierarchy)
   def index
     load_pages_for_index
-    @pages_by_parent_id = @pages.group_by(&:parent_id)
+
+    respond_to do |format|
+      format.html {
+        @pages_by_parent_id = @pages.group_by(&:parent_id)
+      }
+      format.api
+    end
   end
 
   # List of page, by last update
@@ -57,7 +64,7 @@ class WikiController < ApplicationController
   # display a page (in editing mode if it doesn't exist)
   def show
     if @page.new_record?
-      if User.current.allowed_to?(:edit_wiki_pages, @project) && editable?
+      if User.current.allowed_to?(:edit_wiki_pages, @project) && editable? && !api_request?
         edit
         render :action => 'edit'
       else
@@ -66,8 +73,7 @@ class WikiController < ApplicationController
       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
+      deny_access
       return
     end
     @content = @page.content_for_version(params[:version])
@@ -89,7 +95,10 @@ class WikiController < ApplicationController
       @content.current_version? &&
       Redmine::WikiFormatting.supports_section_edit?
 
-    render :action => 'show'
+    respond_to do |format|
+      format.html
+      format.api
+    end
   end
 
   # edit an existing page or a new one
@@ -321,6 +330,6 @@ private
   end
 
   def load_pages_for_index
-    @pages = @wiki.pages.with_updated_on.all(:order => 'title', :include => {:wiki => :project})
+    @pages = @wiki.pages.with_updated_on.order("#{WikiPage.table_name}.title").includes(:wiki => :project).includes(:parent).all
   end
 end

app/models/wiki_page.rb

@@ -50,7 +50,7 @@ class WikiPage < ActiveRecord::Base
 
   # eager load information about last updates, without loading text
   scope :with_updated_on, {
-    :select => "#{WikiPage.table_name}.*, #{WikiContent.table_name}.updated_on",
+    :select => "#{WikiPage.table_name}.*, #{WikiContent.table_name}.updated_on, #{WikiContent.table_name}.version",
     :joins => "LEFT JOIN #{WikiContent.table_name} ON #{WikiContent.table_name}.page_id = #{WikiPage.table_name}.id"
   }
 

app/views/wiki/index.api.rsb

@@ -0,0 +1,13 @@
+api.array :wiki_pages do
+  @pages.each do |page|
+    api.wiki_page do
+      api.title page.title
+      if page.parent
+        api.parent :title => page.parent.title
+      end
+      api.version page.version
+      api.created_on page.created_on
+      api.updated_on page.updated_on
+    end
+  end
+end

app/views/wiki/show.api.rsb

@@ -0,0 +1,11 @@
+api.wiki_page do
+  api.title @page.title
+  if @page.parent
+    api.parent :title => @page.parent.title
+  end
+  api.text @content.text
+  api.version @content.version
+  api.author(:id => @content.author_id, :name => @content.author.name)
+  api.created_on @page.created_on
+  api.updated_on @content.updated_on
+end