X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/00375024263970a43ea7d39e3c65dfd0f32e8869..80903324cfabf9330973b06e68b423f38fc13522:/app/controllers/changeset_controller.rb?ds=inline diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb index 9a4271621..c7cb245f3 100644 --- a/app/controllers/changeset_controller.rb +++ b/app/controllers/changeset_controller.rb @@ -33,24 +33,24 @@ class ChangesetController < ApplicationController end ## - # Return XML giving the basic info about the changeset. Does not + # Return XML giving the basic info about the changeset. Does not # return anything about the nodes, ways and relations in the changeset. def read changeset = Changeset.find(params[:id]) render :text => changeset.to_xml.to_s, :content_type => "text/xml" end - + ## # marks a changeset as closed. this may be called multiple times # on the same changeset, so is idempotent. - def close + def close assert_method :put - - changeset = Changeset.find(params[:id]) + + changeset = Changeset.find(params[:id]) check_changeset_consistency(changeset, @user) # to close the changeset, we'll just set its closed_at time to - # now. this might not be enough if there are concurrency issues, + # now. this might not be enough if there are concurrency issues, # but we'll have to wait and see. changeset.set_closed_time_now @@ -70,11 +70,11 @@ class ChangesetController < ApplicationController cs = Changeset.find(params[:id]) check_changeset_consistency(cs, @user) - + # keep an array of lons and lats lon = Array.new lat = Array.new - + # the request is in pseudo-osm format... this is kind-of an # abuse, maybe should change to some other format? doc = XML::Parser.string(request.raw_post).parse @@ -82,17 +82,17 @@ class ChangesetController < ApplicationController lon << n['lon'].to_f * GeoRecord::SCALE lat << n['lat'].to_f * GeoRecord::SCALE end - + # add the existing bounding box to the lon-lat array lon << cs.min_lon unless cs.min_lon.nil? lat << cs.min_lat unless cs.min_lat.nil? lon << cs.max_lon unless cs.max_lon.nil? lat << cs.max_lat unless cs.max_lat.nil? - + # collapse the arrays to minimum and maximum - cs.min_lon, cs.min_lat, cs.max_lon, cs.max_lat = + cs.min_lon, cs.min_lat, cs.max_lon, cs.max_lat = lon.min, lat.min, lon.max, lat.max - + # save the larger bounding box and return the changeset, which # will include the bigger bounding box. cs.save! @@ -109,7 +109,7 @@ class ChangesetController < ApplicationController # Furthermore, each element in the diff can only reference the current # changeset. # - # Returns: a diffResult document, as described in + # Returns: a diffResult document, as described in # http://wiki.openstreetmap.org/wiki/OSM_Protocol_Version_0.6 def upload # only allow POST requests, as the upload method is most definitely @@ -120,7 +120,7 @@ class ChangesetController < ApplicationController changeset = Changeset.find(params[:id]) check_changeset_consistency(changeset, @user) - + diff_reader = DiffReader.new(request.raw_post, changeset) Changeset.transaction do result = diff_reader.commit @@ -132,57 +132,61 @@ class ChangesetController < ApplicationController # download the changeset as an osmChange document. # # to make it easier to revert diffs it would be better if the osmChange - # format were reversible, i.e: contained both old and new versions of + # format were reversible, i.e: contained both old and new versions of # modified elements. but it doesn't at the moment... # # this method cannot order the database changes fully (i.e: timestamp and # version number may be too coarse) so the resulting diff may not apply - # to a different database. however since changesets are not atomic this + # to a different database. however since changesets are not atomic this # behaviour cannot be guaranteed anyway and is the result of a design # choice. def download changeset = Changeset.find(params[:id]) - + # get all the elements in the changeset which haven't been redacted # and stick them in a big array. - elements = [changeset.old_nodes.unredacted, - changeset.old_ways.unredacted, + elements = [changeset.old_nodes.unredacted, + changeset.old_ways.unredacted, changeset.old_relations.unredacted].flatten - - # sort the elements by timestamp and version number, as this is the - # almost sensible ordering available. this would be much nicer if - # global (SVN-style) versioning were used - then that would be + + # sort the elements by timestamp and version number, as this is the + # almost sensible ordering available. this would be much nicer if + # global (SVN-style) versioning were used - then that would be # unambiguous. - elements.sort! do |a, b| + elements.sort! do |a, b| if (a.timestamp == b.timestamp) a.version <=> b.version else - a.timestamp <=> b.timestamp + a.timestamp <=> b.timestamp end end - + + # create changeset and user caches + changeset_cache = {} + user_display_name_cache = {} + # create an osmChange document for the output result = OSM::API.new.get_xml_doc result.root.name = "osmChange" # generate an output element for each operation. note: we avoid looking - # at the history because it is simpler - but it would be more correct to + # at the history because it is simpler - but it would be more correct to # check these assertions. elements.each do |elt| result.root << - if (elt.version == 1) + if (elt.version == 1) # first version, so it must be newly-created. created = XML::Node.new "create" - created << elt.to_xml_node + created << elt.to_xml_node(changeset_cache, user_display_name_cache) else unless elt.visible # if the element isn't visible then it must have been deleted deleted = XML::Node.new "delete" - deleted << elt.to_xml_node + deleted << elt.to_xml_node(changeset_cache, user_display_name_cache) else # must be a modify modified = XML::Node.new "modify" - modified << elt.to_xml_node + modified << elt.to_xml_node(changeset_cache, user_display_name_cache) end end end @@ -217,7 +221,7 @@ class ChangesetController < ApplicationController render :text => results.to_s, :content_type => "text/xml" end - + ## # updates a changeset's tags. none of the changeset's attributes are # user-modifiable, so they will be ignored. @@ -238,7 +242,7 @@ class ChangesetController < ApplicationController changeset.update_from(new_changeset, @user) render :text => changeset.to_xml, :mime_type => "text/xml" else - + render :nothing => true, :status => :bad_request end end @@ -253,7 +257,7 @@ class ChangesetController < ApplicationController 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) @@ -265,7 +269,7 @@ class ChangesetController < ApplicationController return end end - + if params[:friends] if @user changesets = changesets.where(:user_id => @user.friend_users.public) @@ -294,11 +298,11 @@ class ChangesetController < ApplicationController 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' @@ -343,7 +347,7 @@ class ChangesetController < ApplicationController private #------------------------------------------------------------ # utility functions below. - #------------------------------------------------------------ + #------------------------------------------------------------ ## # if a bounding box was specified do some sanity checks. @@ -380,13 +384,13 @@ private # make sure we found a user raise OSM::APINotFoundError.new if u.nil? - # should be able to get changesets of public users only, or + # should be able to get changesets of public users only, or # our own changesets regardless of public-ness. unless u.data_public? # get optional user auth stuff so that users can see their own # changesets if they're non-public setup_user_auth - + raise OSM::APINotFoundError if @user.nil? or @user.id != u.id end return changesets.where(:user_id => u.id) @@ -397,14 +401,14 @@ private ## # restrict changes to those closed during a particular time period - def conditions_time(changesets, time) + def conditions_time(changesets, time) unless time.nil? - # if there is a range, i.e: comma separated, then the first is + # if there is a range, i.e: comma separated, then the first is # low, second is high - same as with bounding boxes. if time.count(',') == 1 # check that we actually have 2 elements in the array times = time.split(/,/) - raise OSM::APIBadUserInput.new("bad time range") if times.size != 2 + raise OSM::APIBadUserInput.new("bad time range") if times.size != 2 from, to = times.collect { |t| DateTime.parse(t) } return changesets.where("closed_at >= ? and created_at <= ?", from, to) @@ -432,11 +436,11 @@ private if open.nil? return changesets else - return changesets.where("closed_at >= ? and num_changes <= ?", + return changesets.where("closed_at >= ? and num_changes <= ?", Time.now.getutc, Changeset::MAX_ELEMENTS) end end - + ## # query changesets which are closed # ('closed at' time has passed or changes limit is hit) @@ -444,7 +448,7 @@ private if closed.nil? return changesets else - return changesets.where("closed_at < ? or num_changes > ?", + return changesets.where("closed_at < ? or num_changes > ?", Time.now.getutc, Changeset::MAX_ELEMENTS) end end @@ -455,5 +459,5 @@ private def conditions_nonempty(changesets) return changesets.where("num_changes > 0") end - + end