Add a changeset cache to stop us looking up the same changeset over

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

diff --git a/app/controllers/browse_controller.rb b/app/controllers/browse_controller.rb
index 10145a50a2d93c5e02d9626155ca7060b3dd8160..6ace0817b01353a7f1f4a270354b9075c05e5e27 100644 (file)
--- a/app/controllers/browse_controller.rb
+++ b/app/controllers/browse_controller.rb
@@ -2,7 +2,7 @@ class BrowseController < ApplicationController
   layout 'site'
 
   before_filter :authorize_web  
-  before_filter { |c| c.check_database_availability(true) }
+  before_filter { |c| c.check_database_readable(true) }
 
   def start 
   end
@@ -10,120 +10,106 @@ class BrowseController < ApplicationController
   
   
   def relation 
-    begin
-      @relation = Relation.find(params[:id])
-     
-      @name = @relation.tags['name'].to_s 
-      if @name.length == 0:
-          @name = "#" + @relation.id.to_s
-      end
-       
-      @title = 'Relation | ' + (@name)
-      @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 }] ) 
-    rescue ActiveRecord::RecordNotFound
-      @type = "relation"
-      render :action => "not_found", :status => :not_found
+    @relation = Relation.find(params[:id])
+   
+    @name = @relation.tags['name'].to_s 
+    if @name.length == 0:
+      @name = "#" + @relation.id.to_s
     end
+       
+    @title = 'Relation | ' + (@name)
+    @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 }] ) 
+  rescue ActiveRecord::RecordNotFound
+    @type = "relation"
+    render :action => "not_found", :status => :not_found
   end
   
   def relation_history
-    begin
-      @relation = Relation.find(params[:id])
+    @relation = Relation.find(params[:id])
      
-      @name = @relation.tags['name'].to_s 
-      if @name.length == 0:
-          @name = "#" + @relation.id.to_s
-      end
-       
-      @title = 'Relation History | ' + (@name)
-    rescue ActiveRecord::RecordNotFound
-      @type = "relation"
-      render :action => "not_found", :status => :not_found
+    @name = @relation.tags['name'].to_s 
+    if @name.length == 0:
+      @name = "#" + @relation.id.to_s
     end
+       
+    @title = 'Relation History | ' + (@name)
+  rescue ActiveRecord::RecordNotFound
+    @type = "relation"
+    render :action => "not_found", :status => :not_found
   end
   
   def way 
-    begin
-      @way = Way.find(params[:id])
+    @way = Way.find(params[:id])
      
-      @name = @way.tags['name'].to_s 
-      if @name.length == 0:
-          @name = "#" + @way.id.to_s
-      end
-       
-      @title = 'Way | ' + (@name)
-      @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 }] ) 
-    rescue ActiveRecord::RecordNotFound
-      @type = "way"
-      render :action => "not_found", :status => :not_found
+    @name = @way.tags['name'].to_s 
+    if @name.length == 0:
+      @name = "#" + @way.id.to_s
     end
+       
+    @title = 'Way | ' + (@name)
+    @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 }] ) 
+  rescue ActiveRecord::RecordNotFound
+    @type = "way"
+    render :action => "not_found", :status => :not_found
   end
   
   def way_history 
-    begin
-      @way = Way.find(params[:id])
+    @way = Way.find(params[:id])
      
-      @name = @way.tags['name'].to_s 
-      if @name.length == 0:
-          @name = "#" + @way.id.to_s
-      end
-       
-      @title = 'Way History | ' + (@name)
-    rescue ActiveRecord::RecordNotFound
-      @type = "way"
-      render :action => "not_found", :status => :not_found
+    @name = @way.tags['name'].to_s 
+    if @name.length == 0:
+      @name = "#" + @way.id.to_s
     end
+       
+    @title = 'Way History | ' + (@name)
+  rescue ActiveRecord::RecordNotFound
+    @type = "way"
+    render :action => "not_found", :status => :not_found
   end
 
   def node 
-    begin
-      @node = Node.find(params[:id])
+    @node = Node.find(params[:id])
      
-      @name = @node.tags_as_hash['name'].to_s 
-      if @name.length == 0:
-          @name = "#" + @node.id.to_s
-      end
-       
-      @title = 'Node | ' + (@name)
-      @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 }] ) 
-    rescue ActiveRecord::RecordNotFound
-      @type = "node"
-      render :action => "not_found", :status => :not_found
+    @name = @node.tags_as_hash['name'].to_s 
+    if @name.length == 0:
+      @name = "#" + @node.id.to_s
     end
+       
+    @title = 'Node | ' + (@name)
+    @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 }] ) 
+  rescue ActiveRecord::RecordNotFound
+    @type = "node"
+    render :action => "not_found", :status => :not_found
   end
   
   def node_history 
-    begin
-      @node = Node.find(params[:id])
+    @node = Node.find(params[:id])
      
-      @name = @node.tags_as_hash['name'].to_s 
-      if @name.length == 0:
-          @name = "#" + @node.id.to_s
-      end
-       
-      @title = 'Node History | ' + (@name)
-    rescue ActiveRecord::RecordNotFound
-      @type = "way"
-      render :action => "not_found", :status => :not_found
+    @name = @node.tags_as_hash['name'].to_s 
+    if @name.length == 0:
+      @name = "#" + @node.id.to_s
     end
+       
+    @title = 'Node History | ' + (@name)
+  rescue ActiveRecord::RecordNotFound
+    @type = "way"
+    render :action => "not_found", :status => :not_found
   end
   
   def changeset
-    begin
-      @changeset = Changeset.find(params[:id])
-      @node_pages, @nodes = paginate(:old_nodes, :conditions => {:changeset_id => @changeset.id}, :per_page => 20, :parameter => 'node_page')
-      @way_pages, @ways = paginate(:old_ways, :conditions => {:changeset_id => @changeset.id}, :per_page => 20, :parameter => 'way_page')
-      @relation_pages, @relations = paginate(:old_relations, :conditions => {:changeset_id => @changeset.id}, :per_page => 20, :parameter => 'relation_page')
+    @changeset = Changeset.find(params[:id])
+    @node_pages, @nodes = paginate(:old_nodes, :conditions => {:changeset_id => @changeset.id}, :per_page => 20, :parameter => 'node_page')
+    @way_pages, @ways = paginate(:old_ways, :conditions => {:changeset_id => @changeset.id}, :per_page => 20, :parameter => 'way_page')
+    @relation_pages, @relations = paginate(:old_relations, :conditions => {:changeset_id => @changeset.id}, :per_page => 20, :parameter => 'relation_page')
       
-      @title = "Changeset | #{@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 }] ) 
-    rescue ActiveRecord::RecordNotFound
-      @type = "changeset"
-      render :action => "not_found", :status => :not_found
-    end
+    @title = "Changeset | #{@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 }] ) 
+  rescue ActiveRecord::RecordNotFound
+    @type = "changeset"
+    render :action => "not_found", :status => :not_found
   end
 end