X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/0d3a9ed9cb47ce3b89ea9eaffbb589f9a9ff6d22..bd2e999756de84c91593c693fcbef47778936a65:/app/models/changeset.rb diff --git a/app/models/changeset.rb b/app/models/changeset.rb index adb41b204..11a098137 100644 --- a/app/models/changeset.rb +++ b/app/models/changeset.rb @@ -1,5 +1,5 @@ class Changeset < ActiveRecord::Base - require 'xml/libxml' + require "xml/libxml" belongs_to :user, :counter_cache => true @@ -12,6 +12,9 @@ class Changeset < ActiveRecord::Base has_many :old_ways has_many :old_relations + has_many :comments, -> { where(:visible => true).order(:created_at) }, :class_name => "ChangesetComment" + has_and_belongs_to_many :subscribers, :class_name => "User", :join_table => "changesets_subscribers", :association_foreign_key => "subscriber_id" + validates_presence_of :id, :on => :update validates_presence_of :user_id, :created_at, :closed_at, :num_changes validates_uniqueness_of :id @@ -43,30 +46,26 @@ class Changeset < ActiveRecord::Base # note that this may not be a hard limit - due to timing changes and # concurrency it is possible that some changesets may be slightly # longer than strictly allowed or have slightly more changes in them. - return ((closed_at > Time.now.getutc) and (num_changes <= MAX_ELEMENTS)) + ((closed_at > Time.now.getutc) && (num_changes <= MAX_ELEMENTS)) end def set_closed_time_now - if is_open? - self.closed_at = Time.now.getutc - end + self.closed_at = Time.now.getutc if is_open? end - def self.from_xml(xml, create=false) - begin - p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR) - doc = p.parse + def self.from_xml(xml, create = false) + p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR) + doc = p.parse - doc.find('//osm/changeset').each do |pt| - return Changeset.from_xml_node(pt, create) - end - 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) + 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.") + rescue LibXML::XML::Error, ArgumentError => ex + raise OSM::APIBadXMLError.new("changeset", xml, ex.message) end - def self.from_xml_node(pt, create=false) + def self.from_xml_node(pt, create = false) cs = Changeset.new if create cs.created_at = Time.now.getutc @@ -77,13 +76,13 @@ class Changeset < ActiveRecord::Base cs.num_changes = 0 end - pt.find('tag').each do |tag| - 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']) + 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? + cs.add_tag_keyval(tag["k"], tag["v"]) end - return cs + cs end ## @@ -104,7 +103,7 @@ class Changeset < ActiveRecord::Base # suggested on the wiki page by kleptog. def update_bbox!(bbox_update) bbox.expand!(bbox_update, EXPAND) - + # update active record. rails 2.1's dirty handling should take care of # whether this object needs saving or not. self.min_lon, self.min_lat, self.max_lon, self.max_lat = @bbox.to_a if bbox.complete? @@ -119,29 +118,27 @@ class Changeset < ActiveRecord::Base end def tags_as_hash - return tags + tags end def tags unless @tags @tags = {} - self.changeset_tags.each do |tag| + changeset_tags.each do |tag| @tags[tag.k] = tag.v end end @tags end - def tags=(t) - @tags = t - end + attr_writer :tags def add_tag_keyval(k, v) - @tags = Hash.new unless @tags + @tags = {} unless @tags # duplicate tags are now forbidden, so we can't allow values # in the hash to be overwritten. - raise OSM::APIDuplicateTagsError.new("changeset", self.id, k) if @tags.include? k + fail OSM::APIDuplicateTagsError.new("changeset", id, k) if @tags.include? k @tags[k] = v end @@ -153,11 +150,11 @@ class Changeset < ActiveRecord::Base self.save! tags = self.tags - ChangesetTag.delete_all(:changeset_id => self.id) + ChangesetTag.delete_all(:changeset_id => id) - tags.each do |k,v| + tags.each do |k, v| tag = ChangesetTag.new - tag.changeset_id = self.id + tag.changeset_id = id tag.k = k tag.v = v tag.save! @@ -179,49 +176,64 @@ class Changeset < ActiveRecord::Base end end - def to_xml + def to_xml(include_discussion = false) doc = OSM::API.new.get_xml_doc - doc.root << to_xml_node() - return doc + doc.root << to_xml_node(nil, include_discussion) + doc end - def to_xml_node(user_display_name_cache = nil) - el1 = XML::Node.new 'changeset' - el1['id'] = self.id.to_s + def to_xml_node(user_display_name_cache = nil, include_discussion = false) + el1 = XML::Node.new "changeset" + el1["id"] = id.to_s user_display_name_cache = {} if user_display_name_cache.nil? - if user_display_name_cache and user_display_name_cache.key?(self.user_id) + if user_display_name_cache && user_display_name_cache.key?(user_id) # use the cache if available - elsif self.user.data_public? - user_display_name_cache[self.user_id] = self.user.display_name + elsif user.data_public? + user_display_name_cache[user_id] = user.display_name else - user_display_name_cache[self.user_id] = nil + user_display_name_cache[user_id] = nil end - el1['user'] = user_display_name_cache[self.user_id] unless user_display_name_cache[self.user_id].nil? - el1['uid'] = self.user_id.to_s if self.user.data_public? + el1["user"] = user_display_name_cache[user_id] unless user_display_name_cache[user_id].nil? + el1["uid"] = user_id.to_s if user.data_public? - self.tags.each do |k,v| - el2 = XML::Node.new('tag') - el2['k'] = k.to_s - el2['v'] = v.to_s + tags.each do |k, v| + el2 = XML::Node.new("tag") + el2["k"] = k.to_s + el2["v"] = v.to_s el1 << el2 end - el1['created_at'] = self.created_at.xmlschema - el1['closed_at'] = self.closed_at.xmlschema unless is_open? - el1['open'] = is_open?.to_s - - if bbox.complete? - bbox.to_unscaled.add_bounds_to(el1, '_') + el1["created_at"] = created_at.xmlschema + el1["closed_at"] = closed_at.xmlschema unless is_open? + el1["open"] = is_open?.to_s + + bbox.to_unscaled.add_bounds_to(el1, "_") if bbox.complete? + + el1["comments_count"] = comments.count.to_s + + if include_discussion + el2 = XML::Node.new("discussion") + comments.includes(:author).each do |comment| + el3 = XML::Node.new("comment") + el3["date"] = comment.created_at.xmlschema + el3["uid"] = comment.author.id.to_s if comment.author.data_public? + el3["user"] = comment.author.display_name.to_s if comment.author.data_public? + el4 = XML::Node.new("text") + el4.content = comment.body.to_s + el3 << el4 + el2 << el3 + end + el1 << el2 end # NOTE: changesets don't include the XML of the changes within them, # they are just structures for tagging. to get the osmChange of a # changeset, see the download method of the controller. - return el1 + el1 end ## @@ -230,14 +242,10 @@ 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. - unless user.id == self.user_id - raise OSM::APIUserChangesetMismatchError.new - end + fail OSM::APIUserChangesetMismatchError.new unless user.id == user_id # can't change a closed changeset - unless is_open? - raise OSM::APIChangesetAlreadyClosedError.new(self) - end + fail OSM::APIChangesetAlreadyClosedError.new(self) unless is_open? # copy the other's tags self.tags = other.tags