Add a timeout to the change list pages

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

diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb
index c67f4abd5e69c81a7ae68f860abbc5476f1a0193..1b77d48ee00771cd4c09e7d4e3e33aac4ddb7498 100644 (file)
--- a/app/controllers/changeset_controller.rb
+++ b/app/controllers/changeset_controller.rb
@@ -12,7 +12,8 @@ class ChangesetController < ApplicationController
   before_filter :check_api_writable, :only => [:create, :update, :delete, :upload, :include]
   before_filter :check_api_readable, :except => [:create, :update, :delete, :upload, :download, :query]
   after_filter :compress_output
-  around_filter :api_call_handle_error
+  around_filter :api_call_handle_error, :except => [:list, :list_user, :list_bbox]
+  around_filter :web_timeout, :only => [:list, :list_user, :list_bbox]
 
   filter_parameter_logging "<osmChange version"
 
@@ -28,13 +29,10 @@ class ChangesetController < ApplicationController
 
     cs = Changeset.from_xml(request.raw_post, true)
 
-    if cs
-      cs.user_id = @user.id
-      cs.save_with_tags!
-      render :text => cs.id.to_s, :content_type => "text/plain"
-    else
-      raise OSM::APIBadXMLError.new(Changeset, request.raw_post);
-    end
+    # Assume that Changeset.from_xml has thrown an exception if there is an error parsing the xml
+    cs.user_id = @user.id
+    cs.save_with_tags!
+    render :text => cs.id.to_s, :content_type => "text/plain"
   end
 
   ##
@@ -206,7 +204,7 @@ class ChangesetController < ApplicationController
     # create the conditions that the user asked for. some or all of
     # these may be nil.
     conditions = conditions_bbox(params['bbox'])
-    conditions = cond_merge conditions, conditions_user(params['user'])
+    conditions = cond_merge conditions, conditions_user(params['user'], params['display_name'])
     conditions = cond_merge conditions, conditions_time(params['time'])
     conditions = cond_merge conditions, conditions_open(params['open'])
     conditions = cond_merge conditions, conditions_closed(params['closed'])
@@ -258,7 +256,7 @@ class ChangesetController < ApplicationController
     conditions = conditions_nonempty
 
     if params[:display_name]
-      user = User.find_by_display_name(params[:display_name], :conditions => { :visible => true })
+      user = User.find_by_display_name(params[:display_name], :conditions => { :status => ["active", "confirmed"] })
 
       if user 
         if user.data_public? or user == @user
@@ -307,11 +305,15 @@ class ChangesetController < ApplicationController
       @description = t 'changeset.list.description'
     end
 
-    @edit_pages, @edits = paginate(:changesets,
-                                   :include => [:user, :changeset_tags],
-                                   :conditions => conditions,
-                                   :order => "changesets.created_at DESC",
-                                   :per_page => 20)
+    @page = (params[:page] || 1).to_i
+    @page_size = 20
+
+    @edits = Changeset.find(:all,
+                            :include => [:user, :changeset_tags],
+                            :conditions => conditions,
+                            :order => "changesets.created_at DESC",
+                            :offset => (@page - 1) * @page_size,
+                            :limit => @page_size)
   end
 
 private
@@ -344,7 +346,10 @@ private
       raise OSM::APIBadUserInput.new("Minimum longitude should be less than maximum.") unless bbox[0] <= bbox[2]
       raise OSM::APIBadUserInput.new("Minimum latitude should be less than maximum.") unless bbox[1] <= bbox[3]
       return ['min_lon < ? and max_lon > ? and min_lat < ? and max_lat > ?',
-              bbox[2] * GeoRecord::SCALE, bbox[0] * GeoRecord::SCALE, bbox[3]* GeoRecord::SCALE, bbox[1] * GeoRecord::SCALE]
+              (bbox[2] * GeoRecord::SCALE).to_i,
+              (bbox[0] * GeoRecord::SCALE).to_i,
+              (bbox[3] * GeoRecord::SCALE).to_i,
+              (bbox[1] * GeoRecord::SCALE).to_i]
     else
       return nil
     end
@@ -352,12 +357,23 @@ private
 
   ##
   # restrict changesets to those by a particular user
-  def conditions_user(user)
-    unless user.nil?
-      # user input checking, we don't have any UIDs < 1
-      raise OSM::APIBadUserInput.new("invalid user ID") if user.to_i < 1
+  def conditions_user(user, name)
+    unless user.nil? and name.nil?
+      # shouldn't provide both name and UID
+      raise OSM::APIBadUserInput.new("provide either the user ID or display name, but not both") if user and name
+
+      # use either the name or the UID to find the user which we're selecting on.
+      u = if name.nil?
+            # user input checking, we don't have any UIDs < 1
+            raise OSM::APIBadUserInput.new("invalid user ID") if user.to_i < 1
+            u = User.find(user.to_i)
+          else
+            u = User.find_by_display_name(name)
+          end
+
+      # make sure we found a user
+      raise OSM::APINotFoundError.new if u.nil?
 
-      u = User.find(user.to_i)
       # should be able to get changesets of public users only, or 
       # our own changesets regardless of public-ness.
       unless u.data_public?
@@ -415,7 +431,7 @@ private
   # query changesets which are closed
   # ('closed at' time has passed or changes limit is hit)
   def conditions_closed(closed)
-    return closed.nil? ? nil : ['closed_at < ? and num_changes > ?', 
+    return closed.nil? ? nil : ['closed_at < ? or num_changes > ?', 
                                 Time.now.getutc, Changeset::MAX_ELEMENTS]
   end