# The ChangesetController is the RESTful interface to Changeset objects
class ChangesetController < ApplicationController
- layout 'site', :except => [ :list_rss, :list_user_rss, :list_bbox_rss ]
+ layout 'site'
require 'xml/libxml'
before_filter :authorize_web, :only => [:list, :list_user, :list_bbox]
before_filter :set_locale, :only => [:list, :list_user, :list_bbox]
before_filter :authorize, :only => [:create, :update, :delete, :upload, :include, :close]
+ before_filter :require_allow_write_api, :only => [:create, :update, :delete, :upload, :include, :close]
before_filter :require_public_data, :only => [:create, :update, :delete, :upload, :include, :close]
before_filter :check_api_writable, :only => [:create, :update, :delete, :upload, :include]
before_filter :check_api_readable, :except => [:create, :update, :delete, :upload, :download, :query]
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
##
# 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'])
# list edits (open changesets) in reverse chronological order
def list
conditions = conditions_nonempty
-
-
- # @changesets = Changeset.find(:all, :order => "closed_at DESC", :conditions => ['closed_at < ?', DateTime.now], :limit=> 20)
-
-
- #@edit_pages, @edits = paginate(:changesets,
- # :include => [:user, :changeset_tags],
- # :conditions => conditions,
- # :order => "changesets.created_at DESC",
- # :per_page => 20)
- #
-
- @edits = Changeset.find(:all,
- :order => "changesets.created_at DESC",
- :conditions => conditions,
- :limit => 20)
-
- end
- ##
- # list edits (open changesets) in reverse chronological order
- def list_rss
- conditions = conditions_nonempty
+ if params[:display_name]
+ user = User.find_by_display_name(params[:display_name], :conditions => { :visible => true })
- @edits = Changeset.find(:all,
- :order => "changesets.created_at DESC",
- :conditions => conditions,
- :limit => 20)
-
- end
-
- ##
- # list edits (changesets) belonging to a user
- def list_user
- user = User.find_by_display_name(params[:display_name], :conditions => {:visible => true})
-
- if user
- @display_name = user.display_name
- if not user.data_public? and @user != user
- @edits = nil
- render
- else
- conditions = cond_merge conditions, ['user_id = ?', user.id]
- conditions = cond_merge conditions, conditions_nonempty
- @edit_pages, @edits = paginate(:changesets,
- :include => [:user, :changeset_tags],
- :conditions => conditions,
- :order => "changesets.created_at DESC",
- :per_page => 20)
+ if user
+ if user.data_public? or user == @user
+ conditions = cond_merge conditions, ['user_id = ?', user.id]
+ else
+ conditions = cond_merge conditions, ['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
end
- else
- @not_found_user = params[:display_name]
- render :template => 'user/no_such_user', :status => :not_found
end
- end
- ##
- # list edits (changesets) belonging to a user
- def list_user_rss
- user = User.find_by_display_name(params[:display_name], :conditions => {:visible => true})
-
- if user
- @display_name = user.display_name
- if not user.data_public? and @user != user
- @edits = nil
- render
- else
- conditions = cond_merge conditions, ['user_id = ?', user.id]
- conditions = cond_merge conditions, conditions_nonempty
- @edit_pages, @edits = paginate(:changesets,
- :include => [:user, :changeset_tags],
- :conditions => conditions,
- :order => "changesets.created_at DESC",
- :per_page => 20)
- end
- else
- @not_found_user = params[:display_name]
- render :template => 'user/no_such_user', :status => :not_found
+ if params[:bbox]
+ bbox = params[:bbox]
+ elsif params[:minlon] and params[:minlat] and params[:maxlon] and params[:maxlat]
+ bbox = params[:minlon] + ',' + params[:minlat] + ',' + params[:maxlon] + ',' + params[:maxlat]
end
- end
-
- ##
- # list changesets in a bbox
- def list_bbox
- # support 'bbox' param or alternatively 'minlon', 'minlat' etc
- if params['bbox']
- bbox = params['bbox']
- elsif params['minlon'] and params['minlat'] and params['maxlon'] and params['maxlat']
- bbox = h(params['minlon']) + ',' + h(params['minlat']) + ',' + h(params['maxlon']) + ',' + h(params['maxlat'])
- else
- #TODO: fix bugs in location determination for history tab (and other tabs) then uncomment this redirect
- #redirect_to :action => 'list'
-
- # For now just render immediately, and skip the db
- render
- return
+
+ if bbox
+ conditions = cond_merge conditions, conditions_bbox(bbox)
+ bbox = BoundingBox.from_s(bbox)
+ bbox_link = render_to_string :partial => "bbox", :object => bbox
end
-
- conditions = conditions_bbox(bbox);
- conditions = cond_merge conditions, conditions_nonempty
-
- @edit_pages, @edits = paginate(:changesets,
- :include => [:user, :changeset_tags],
- :conditions => conditions,
- :order => "changesets.created_at DESC",
- :per_page => 20)
-
- @bbox = sanitise_boundaries(bbox.split(/,/)) unless bbox==nil
- end
- ##
- # list changesets in a bbox
- def list_bbox_rss
- # support 'bbox' param or alternatively 'minlon', 'minlat' etc
- if params['bbox']
- bbox = params['bbox']
- elsif params['minlon'] and params['minlat'] and params['maxlon'] and params['maxlat']
- bbox = h(params['minlon']) + ',' + h(params['minlat']) + ',' + h(params['maxlon']) + ',' + h(params['maxlat'])
+ if user
+ user_link = render_to_string :partial => "user", :object => user
+ end
+
+ if 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
else
- #TODO: fix bugs in location determination for history tab (and other tabs) then uncomment this redirect
- #redirect_to :action => 'list'
-
- # For now just render immediately, and skip the db
- render
- return
+ @title = t 'changeset.list.title'
+ @heading = t 'changeset.list.heading'
+ @description = t 'changeset.list.description'
end
-
- conditions = conditions_bbox(bbox);
- conditions = cond_merge conditions, conditions_nonempty
-
- @edit_pages, @edits = paginate(:changesets,
- :include => [:user, :changeset_tags],
- :conditions => conditions,
- :order => "changesets.created_at DESC",
- :per_page => 20)
-
- @bbox = sanitise_boundaries(bbox.split(/,/)) unless bbox==nil
+
+ @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
#------------------------------------------------------------
# utility functions below.
##
# 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?
# 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