Introduce some caching for diary views.

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

diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb
index c67f4abd5e69c81a7ae68f860abbc5476f1a0193..79000c6852598a212b79661757ee87932a1380f8 100644 (file)
--- a/app/controllers/changeset_controller.rb
+++ b/app/controllers/changeset_controller.rb
@@ -28,13 +28,10 @@ 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 +203,7 @@ 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'])
@@ -307,11 +304,15 @@ 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
@@ -352,12 +353,23 @@ 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 +427,7 @@ 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