Implement the cancan filters for diary entries

[rails.git] / app / controllers / diary_entry_controller.rb

diff --git a/app/controllers/diary_entry_controller.rb b/app/controllers/diary_entry_controller.rb
index 5bd95775d8c9a452ee13c311ceb2d1999749db46..ff875899030b287138170ddd09727e5c4ea480a3 100644 (file)
--- a/app/controllers/diary_entry_controller.rb
+++ b/app/controllers/diary_entry_controller.rb
@@ -3,13 +3,15 @@ class DiaryEntryController < ApplicationController
 
   before_action :authorize_web
   before_action :set_locale
-  before_action :require_user, :only => [:new, :edit, :comment, :hide, :hidecomment, :subscribe, :unsubscribe]
-  before_action :lookup_this_user, :only => [:view, :comments]
+
+  authorize_resource
+
+  before_action :lookup_user, :only => [:view, :comments]
   before_action :check_database_readable
   before_action :check_database_writable, :only => [:new, :edit, :comment, :hide, :hidecomment, :subscribe, :unsubscribe]
-  before_action :require_administrator, :only => [:hide, :hidecomment]
   before_action :allow_thirdparty_images, :only => [:new, :edit, :list, :view, :comments]
 
+
   def new
     @title = t "diary_entry.new.title"
 
@@ -48,7 +50,7 @@ class DiaryEntryController < ApplicationController
 
     if current_user != @diary_entry.user
       redirect_to :action => "view", :id => params[:id]
-    elsif params[:diary_entry] && @diary_entry.update_attributes(entry_params)
+    elsif params[:diary_entry] && @diary_entry.update(entry_params)
       redirect_to :action => "view", :id => params[:id]
     end
 
@@ -101,11 +103,11 @@ class DiaryEntryController < ApplicationController
 
   def list
     if params[:display_name]
-      @this_user = User.active.find_by(:display_name => params[:display_name])
+      @user = User.active.find_by(:display_name => params[:display_name])
 
-      if @this_user
-        @title = t "diary_entry.list.user_title", :user => @this_user.display_name
-        @entries = @this_user.diary_entries
+      if @user
+        @title = t "diary_entry.list.user_title", :user => @user.display_name
+        @entries = @user.diary_entries
       else
         render_unknown_user params[:display_name]
         return
@@ -155,9 +157,9 @@ class DiaryEntryController < ApplicationController
 
       if user
         @entries = user.diary_entries
-        @title = I18n.t("diary_entry.feed.user.title", :user => user.display_name)
-        @description = I18n.t("diary_entry.feed.user.description", :user => user.display_name)
-        @link = "#{SERVER_PROTOCOL}://#{SERVER_URL}/user/#{user.display_name}/diary"
+        @title = t("diary_entry.feed.user.title", :user => user.display_name)
+        @description = t("diary_entry.feed.user.description", :user => user.display_name)
+        @link = url_for :controller => "diary_entry", :action => "list", :display_name => user.display_name, :host => SERVER_URL, :protocol => SERVER_PROTOCOL
       else
         head :not_found
         return
@@ -167,13 +169,13 @@ class DiaryEntryController < ApplicationController
 
       if params[:language]
         @entries = @entries.where(:language_code => params[:language])
-        @title = I18n.t("diary_entry.feed.language.title", :language_name => Language.find(params[:language]).english_name)
-        @description = I18n.t("diary_entry.feed.language.description", :language_name => Language.find(params[:language]).english_name)
-        @link = "#{SERVER_PROTOCOL}://#{SERVER_URL}/diary/#{params[:language]}"
+        @title = t("diary_entry.feed.language.title", :language_name => Language.find(params[:language]).english_name)
+        @description = t("diary_entry.feed.language.description", :language_name => Language.find(params[:language]).english_name)
+        @link = url_for :controller => "diary_entry", :action => "list", :language => params[:language], :host => SERVER_URL, :protocol => SERVER_PROTOCOL
       else
-        @title = I18n.t("diary_entry.feed.all.title")
-        @description = I18n.t("diary_entry.feed.all.description")
-        @link = "#{SERVER_PROTOCOL}://#{SERVER_URL}/diary"
+        @title = t("diary_entry.feed.all.title")
+        @description = t("diary_entry.feed.all.description")
+        @link = url_for :controller => "diary_entry", :action => "list", :host => SERVER_URL, :protocol => SERVER_PROTOCOL
       end
     end
 
@@ -181,7 +183,7 @@ class DiaryEntryController < ApplicationController
   end
 
   def view
-    @entry = @this_user.diary_entries.visible.where(:id => params[:id]).first
+    @entry = @user.diary_entries.visible.where(:id => params[:id]).first
     if @entry
       @title = t "diary_entry.view.title", :user => params[:display_name], :title => @entry.title
     else
@@ -192,20 +194,20 @@ class DiaryEntryController < ApplicationController
 
   def hide
     entry = DiaryEntry.find(params[:id])
-    entry.update_attributes(:visible => false)
+    entry.update(:visible => false)
     redirect_to :action => "list", :display_name => entry.user.display_name
   end
 
   def hidecomment
     comment = DiaryComment.find(params[:comment])
-    comment.update_attributes(:visible => false)
+    comment.update(:visible => false)
     redirect_to :action => "view", :display_name => comment.diary_entry.user.display_name, :id => comment.diary_entry.id
   end
 
   def comments
     @comment_pages, @comments = paginate(:diary_comments,
                                          :conditions => {
-                                           :user_id => @this_user,
+                                           :user_id => @user,
                                            :visible => true
                                          },
                                          :order => "created_at DESC",
@@ -215,6 +217,22 @@ class DiaryEntryController < ApplicationController
 
   private
 
+  # This is required because, being a default-deny system, cancancan
+  # _cannot_ tell you the reason you were denied access; and so
+  # the "nice" feedback presenting next steps can't be gleaned from
+  # the exception
+  ##
+  # for the hide actions, require that the user is a administrator, or fill out
+  # a helpful error message and return them to the user page.
+  def deny_access(exception)
+    if current_user && exception.action.in?([:hide, :hidecomment])
+      flash[:error] = t("user.filter.not_an_administrator")
+      redirect_to :action => "view"
+    else
+      super
+    end
+  end
+
   ##
   # return permitted diary entry parameters
   def entry_params
@@ -229,15 +247,6 @@ class DiaryEntryController < ApplicationController
     params.require(:diary_comment).permit(:body)
   end
 
-  ##
-  # require that the user is a administrator, or fill out a helpful error message
-  # and return them to the user page.
-  def require_administrator
-    unless current_user.administrator?
-      flash[:error] = t("user.filter.not_an_administrator")
-      redirect_to :action => "view"
-    end
-  end
 
   ##
   # decide on a location for the diary entry map