X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/dbe165bbb3d6eda37d9579f1ac767599f9055607..6c2093b29d74b145b85e61c4fff09b5f13afa0e5:/app/models/changeset.rb diff --git a/app/models/changeset.rb b/app/models/changeset.rb index cede7daa1..4d305ea44 100644 --- a/app/models/changeset.rb +++ b/app/models/changeset.rb @@ -1,3 +1,30 @@ +# == Schema Information +# +# Table name: changesets +# +# id :integer not null, primary key +# user_id :integer not null +# created_at :datetime not null +# min_lat :integer +# max_lat :integer +# min_lon :integer +# max_lon :integer +# closed_at :datetime not null +# num_changes :integer default(0), not null +# +# Indexes +# +# changesets_bbox_idx (min_lat,max_lat,min_lon,max_lon) +# changesets_closed_at_idx (closed_at) +# changesets_created_at_idx (created_at) +# changesets_user_id_created_at_idx (user_id,created_at) +# changesets_user_id_id_idx (user_id,id) +# +# Foreign Keys +# +# changesets_user_id_fkey (user_id => users.id) +# + class Changeset < ActiveRecord::Base require "xml/libxml" @@ -28,11 +55,8 @@ class Changeset < ActiveRecord::Base before_save :update_closed_at - # over-expansion factor to use when updating the bounding box - EXPAND = 0.1 - # maximum number of elements allowed in a changeset - MAX_ELEMENTS = 50000 + MAX_ELEMENTS = 10000 # maximum time a changeset is allowed to be open for. MAX_TIME_OPEN = 1.day @@ -63,7 +87,7 @@ class Changeset < ActiveRecord::Base doc.find("//osm/changeset").each do |pt| return Changeset.from_xml_node(pt, create) end - fail OSM::APIBadXMLError.new("changeset", xml, "XML doesn't contain an osm/changeset element.") + raise OSM::APIBadXMLError.new("changeset", xml, "XML doesn't contain an osm/changeset element.") rescue LibXML::XML::Error, ArgumentError => ex raise OSM::APIBadXMLError.new("changeset", xml, ex.message) end @@ -80,8 +104,9 @@ class Changeset < ActiveRecord::Base end pt.find("tag").each do |tag| - fail OSM::APIBadXMLError.new("changeset", pt, "tag is missing key") if tag["k"].nil? - fail OSM::APIBadXMLError.new("changeset", pt, "tag is missing value") if tag["v"].nil? + raise OSM::APIBadXMLError.new("changeset", pt, "tag is missing key") if tag["k"].nil? + raise OSM::APIBadXMLError.new("changeset", pt, "tag is missing value") if tag["v"].nil? + cs.add_tag_keyval(tag["k"], tag["v"]) end @@ -100,12 +125,9 @@ class Changeset < ActiveRecord::Base end ## - # expand the bounding box to include the given bounding box. also, - # expand a little bit more in the direction of the expansion, so that - # further expansions may be unnecessary. this is an optimisation - # suggested on the wiki page by kleptog. + # expand the bounding box to include the given bounding box. def update_bbox!(bbox_update) - bbox.expand!(bbox_update, EXPAND) + bbox.expand!(bbox_update) # update active record. rails 2.1's dirty handling should take care of # whether this object needs saving or not. @@ -114,16 +136,11 @@ class Changeset < ActiveRecord::Base ## # the number of elements is also passed in so that we can ensure that - # a single changeset doesn't contain too many elements. this, of course, - # destroys the optimisation described in the bbox method above. + # a single changeset doesn't contain too many elements. def add_changes!(elements) self.num_changes += elements end - def tags_as_hash - tags - end - def tags unless @tags @tags = {} @@ -137,11 +154,11 @@ class Changeset < ActiveRecord::Base attr_writer :tags def add_tag_keyval(k, v) - @tags = {} unless @tags + @tags ||= {} # duplicate tags are now forbidden, so we can't allow values # in the hash to be overwritten. - fail OSM::APIDuplicateTagsError.new("changeset", id, k) if @tags.include? k + raise OSM::APIDuplicateTagsError.new("changeset", id, k) if @tags.include? k @tags[k] = v end @@ -150,10 +167,10 @@ class Changeset < ActiveRecord::Base # do the changeset update and the changeset tags update in the # same transaction to ensure consistency. Changeset.transaction do - self.save! + save! tags = self.tags - ChangesetTag.delete_all(:changeset_id => id) + ChangesetTag.where(:changeset_id => id).delete_all tags.each do |k, v| tag = ChangesetTag.new @@ -170,12 +187,12 @@ class Changeset < ActiveRecord::Base # that would make it more than 24h long, in which case clip to # 24h, as this has been decided is a reasonable time limit. def update_closed_at - if self.is_open? - if (closed_at - created_at) > (MAX_TIME_OPEN - IDLE_TIMEOUT) - self.closed_at = created_at + MAX_TIME_OPEN - else - self.closed_at = Time.now.getutc + IDLE_TIMEOUT - end + if is_open? + self.closed_at = if (closed_at - created_at) > (MAX_TIME_OPEN - IDLE_TIMEOUT) + created_at + MAX_TIME_OPEN + else + Time.now.getutc + IDLE_TIMEOUT + end end end @@ -215,7 +232,8 @@ class Changeset < ActiveRecord::Base bbox.to_unscaled.add_bounds_to(el1, "_") if bbox.complete? - el1["comments_count"] = comments.count.to_s + el1["comments_count"] = comments.length.to_s + el1["changes_count"] = num_changes.to_s if include_discussion el2 = XML::Node.new("discussion") @@ -245,10 +263,10 @@ class Changeset < ActiveRecord::Base # bounding box, only the tags of the changeset. def update_from(other, user) # ensure that only the user who opened the changeset may modify it. - fail OSM::APIUserChangesetMismatchError.new unless user.id == user_id + raise OSM::APIUserChangesetMismatchError unless user.id == user_id # can't change a closed changeset - fail OSM::APIChangesetAlreadyClosedError.new(self) unless is_open? + raise OSM::APIChangesetAlreadyClosedError, self unless is_open? # copy the other's tags self.tags = other.tags