+ if params[:display_name]
+ user = User.find_by_display_name(params[:display_name])
+
+ if user and user.active?
+ if user.data_public? or user == @user
+ changesets = changesets.where(:user_id => user.id)
+ else
+ changesets = changesets.where("false")
+ end
+ elsif request.format == :html
+ @title = t 'user.no_such_user.title'
+ @not_found_user = params[:display_name]
+ render :template => 'user/no_such_user', :status => :not_found
+ return
+ end
+ end
+
+ if params[:friends]
+ if @user
+ changesets = changesets.where(:user_id => @user.friend_users.public)
+ elsif request.format == :html
+ require_user
+ return
+ end
+ end
+
+ if params[:bbox]
+ bbox = BoundingBox.from_bbox_params(params)
+ elsif params[:minlon] and params[:minlat] and params[:maxlon] and params[:maxlat]
+ bbox = BoundingBox.from_lon_lat_params(params)
+ end
+
+ if bbox
+ changesets = conditions_bbox(changesets, bbox)
+ bbox_link = render_to_string :partial => "bbox", :object => bbox
+ end
+
+ if user
+ user_link = render_to_string :partial => "user", :object => user
+ end
+
+ if params[:friends] and @user
+ @title = t 'changeset.list.title_friend'
+ @heading = t 'changeset.list.heading_friend'
+ @description = t 'changeset.list.description_friend'
+ elsif user and bbox
+ @title = t 'changeset.list.title_user_bbox', :user => user.display_name, :bbox => bbox.to_s
+ @heading = t 'changeset.list.heading_user_bbox', :user => user.display_name, :bbox => bbox.to_s
+ @description = t 'changeset.list.description_user_bbox', :user => user_link, :bbox => bbox_link
+ elsif user
+ @title = t 'changeset.list.title_user', :user => user.display_name
+ @heading = t 'changeset.list.heading_user', :user => user.display_name
+ @description = t 'changeset.list.description_user', :user => user_link
+ elsif bbox
+ @title = t 'changeset.list.title_bbox', :bbox => bbox.to_s
+ @heading = t 'changeset.list.heading_bbox', :bbox => bbox.to_s
+ @description = t 'changeset.list.description_bbox', :bbox => bbox_link