Use browser detection to decide how many features to show

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

diff --git a/app/controllers/browse_controller.rb b/app/controllers/browse_controller.rb
index a511d67d35fb54cc558ff124a894abf03469540f..f423c6388753ddd80bc65e802d7e4a288640bac6 100644 (file)
--- a/app/controllers/browse_controller.rb
+++ b/app/controllers/browse_controller.rb
@@ -4,16 +4,21 @@ class BrowseController < ApplicationController
   before_filter :authorize_web  
   before_filter :set_locale 
   before_filter { |c| c.check_database_readable(true) }
-  around_filter :timeout, :except => [:start]
+  around_filter :web_timeout, :except => [:start]
 
   def start 
+    @max_features = case
+                    when browser.ie? && browser.version.to_i < 8 then 100
+                    when browser.ie? && browser.version.to_i < 9 then 500
+                    else 2000
+                    end
   end
   
   def relation
     @type = "relation"
     @relation = Relation.find(params[:id])
-    @next = Relation.find(:first, :order => "id ASC", :conditions => [ "visible = true AND id > :id", { :id => @relation.id }] )
-    @prev = Relation.find(:first, :order => "id DESC", :conditions => [ "visible = true AND id < :id", { :id => @relation.id }] )
+    @next = Relation.visible.where("id > ?", @relation.id).order("id ASC").first
+    @prev = Relation.visible.where("id < ?", @relation.id).order("id DESC").first
   rescue ActiveRecord::RecordNotFound
     render :action => "not_found", :status => :not_found
   end
@@ -28,8 +33,8 @@ class BrowseController < ApplicationController
   def way
     @type = "way"
     @way = Way.find(params[:id], :include => [:way_tags, {:changeset => :user}, {:nodes => [:node_tags, {:ways => :way_tags}]}, :containing_relation_members])
-    @next = Way.find(:first, :order => "id ASC", :conditions => [ "visible = true AND id > :id", { :id => @way.id }] )
-    @prev = Way.find(:first, :order => "id DESC", :conditions => [ "visible = true AND id < :id", { :id => @way.id }] )
+    @next = Way.visible.where("id > ?", @way.id).order("id ASC").first
+    @prev = Way.visible.where("id < ?", @way.id).order("id DESC").first
 
     # Used for edit link, takes approx middle node of way
     @midnode = @way.nodes[@way.nodes.length/2]
@@ -47,8 +52,8 @@ class BrowseController < ApplicationController
   def node
     @type = "node"
     @node = Node.find(params[:id])
-    @next = Node.find(:first, :order => "id ASC", :conditions => [ "visible = true AND id > :id", { :id => @node.id }] )
-    @prev = Node.find(:first, :order => "id DESC", :conditions => [ "visible = true AND id < :id", { :id => @node.id }] )
+    @next = Node.visible.where("id > ?", @node.id).order("id ASC").first
+    @prev = Node.visible.where("id < ?", @node.id).order("id DESC").first
   rescue ActiveRecord::RecordNotFound
     render :action => "not_found", :status => :not_found
   end
@@ -69,28 +74,14 @@ class BrowseController < ApplicationController
     @relation_pages, @relations = paginate(:old_relations, :conditions => {:changeset_id => @changeset.id}, :per_page => 20, :parameter => 'relation_page')
       
     @title = "#{I18n.t('browse.changeset.title')} | #{@changeset.id}"
-    @next = Changeset.find(:first, :order => "id ASC", :conditions => [ "id > :id", { :id => @changeset.id }] ) 
-    @prev = Changeset.find(:first, :order => "id DESC", :conditions => [ "id < :id", { :id => @changeset.id }] )
+    @next = Changeset.where("id > ?", @changeset.id).order("id ASC").first
+    @prev = Changeset.where("id < ?", @changeset.id).order("id DESC").first
 
-    @next_by_user = Changeset.find(:first, :order => "id ASC", :conditions => [ "id > :id AND user_id = :user_id", {:id => @changeset.id, :user_id => @changeset.user_id }] )
-    @prev_by_user = Changeset.find(:first, :order => "id DESC", :conditions => [ "id < :id AND user_id = :user_id", {:id => @changeset.id, :user_id => @changeset.user_id }] )
+    if @changeset.user.data_public?
+      @next_by_user = Changeset.where("user_id = ? AND id > ?", @changeset.user_id, @changeset.id).order("id ASC").first
+      @prev_by_user = Changeset.where("user_id = ? AND id < ?", @changeset.user_id, @changeset.id).order("id DESC").first
+    end
   rescue ActiveRecord::RecordNotFound
     render :action => "not_found", :status => :not_found
   end
-
-private
-
-  def timeout
-    SystemTimer.timeout_after(30) do
-      yield
-    end
-  rescue ActionView::TemplateError => ex
-    if ex.original_exception.is_a?(Timeout::Error)
-      render :action => "timeout"
-    else
-      raise
-    end
-  rescue Timeout::Error
-    render :action => "timeout"
-  end
 end