class Relation < ActiveRecord::Base
require 'xml/libxml'
-
+
include ConsistencyValidations
include NotRedactable
include ObjectMetadata
has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation
validates_presence_of :id, :on => :update
- validates_presence_of :timestamp,:version, :changeset_id
+ validates_presence_of :timestamp,:version, :changeset_id
validates_uniqueness_of :id
validates_inclusion_of :visible, :in => [ true, false ]
validates_numericality_of :id, :on => :update, :integer_only => true
validates_numericality_of :changeset_id, :version, :integer_only => true
validates_associated :changeset
-
+
scope :visible, -> { where(:visible => true) }
scope :invisible, -> { where(:visible => false) }
scope :nodes, ->(*ids) { joins(:relation_members).where(:current_relation_members => { :member_type => "Node", :member_id => ids.flatten }) }
relation.version = pt['version']
raise OSM::APIBadXMLError.new("relation", pt, "Changeset id is missing") if pt['changeset'].nil?
relation.changeset_id = pt['changeset']
-
+
unless create
raise OSM::APIBadXMLError.new("relation", pt, "ID is required when updating") if pt['id'].nil?
relation.id = pt['id'].to_i
- # .to_i will return 0 if there is no number that can be parsed.
+ # .to_i will return 0 if there is no number that can be parsed.
# We want to make sure that there is no id with zero anyway
raise OSM::APIBadUserInput.new("ID of relation cannot be zero when updating.") if relation.id == 0
end
-
+
# We don't care about the timestamp nor the visibility as these are either
- # set explicitly or implicit in the action. The visibility is set to true,
+ # set explicitly or implicit in the action. The visibility is set to true,
# and manually set to false before the actual delete.
relation.visible = true
end
# need to initialise the relation members array explicitly, as if this
- # isn't done for a new relation then @members attribute will be nil,
- # and the members will be loaded from the database instead of being
+ # isn't done for a new relation then @members attribute will be nil,
+ # and the members will be loaded from the database instead of being
# empty, as intended.
relation.members = Array.new
pt.find('member').each do |member|
- #member_type =
+ #member_type =
logger.debug "each member"
raise OSM::APIBadXMLError.new("relation", pt, "The #{member['type']} is not allowed only, #{TYPES.inspect} allowed") unless TYPES.include? member['type']
logger.debug "after raise"
if p
member_el = XML::Node.new 'member'
member_el['type'] = member.member_type.downcase
- member_el['ref'] = member.member_id.to_s
+ member_el['ref'] = member.member_id.to_s
member_el['role'] = member.member_role
el << member_el
end
add_tags_to_xml_node(el, self.relation_tags)
return el
- end
+ end
# FIXME is this really needed?
def members
end
##
- # updates the changeset bounding box to contain the bounding box of
+ # updates the changeset bounding box to contain the bounding box of
# the element with given +type+ and +id+. this only works with nodes
# and ways at the moment, as they're the only elements to respond to
# the :bbox call.
def update_changeset_element(type, id)
element = Kernel.const_get(type.capitalize).find(id)
changeset.update_bbox! element.bbox
- end
+ end
def delete_with_history!(new_relation, user)
unless self.visible
raise OSM::APIAlreadyDeletedError.new("relation", new_relation.id)
end
- # need to start the transaction here, so that the database can
+ # need to start the transaction here, so that the database can
# provide repeatable reads for the used-by checks. this means it
# shouldn't be possible to get race conditions.
Relation.transaction do
save_with_history!
end
end
-
+
def create_with_history(user)
check_create_consistency(self, user)
unless self.preconditions_ok?
end
def preconditions_ok?(good_members = [])
- # These are hastables that store an id in the index of all
+ # These are hastables that store an id in the index of all
# the nodes/way/relations that have already been added.
- # If the member is valid and visible then we add it to the
+ # If the member is valid and visible then we add it to the
# relevant hash table, with the value true as a cache.
# Thus if you have nodes with the ids of 50 and 1 already in the
# relation, then the hash table nodes would contain:
##
# if any members are referenced by placeholder IDs (i.e: negative) then
- # this calling this method will fix them using the map from placeholders
- # to IDs +id_map+.
+ # this calling this method will fix them using the map from placeholders
+ # to IDs +id_map+.
def fix_placeholders!(id_map, placeholder_id = nil)
self.members.map! do |type, id, role|
old_id = id.to_i
end
private
-
+
def save_with_history!
Relation.transaction do
# have to be a little bit clever here - to detect if any tags
key = old_tag.k
# if we can match the tags we currently have to the list
# of old tags, then we never set the tags_changed flag. but
- # if any are different then set the flag and do the DB
+ # if any are different then set the flag and do the DB
# update.
- if tags.has_key? key
+ if tags.has_key? key
tags_changed |= (old_tag.v != tags[key])
# remove from the map, so that we can expect an empty map
tag.v = v
tag.save!
end
-
+
# same pattern as before, but this time we're collecting the
# changed members in an array, as the bounding box updates for
# elements are per-element, not blanked on/off like for tags.
# bounding box. this is similar to how the map call does things and is
# reasonable on the assumption that adding or removing members doesn't
# materially change the rest of the relation.
- any_relations =
+ any_relations =
changed_members.collect { |id,type| type == "relation" }.
inject(false) { |b,s| b or s }
# FIXME: check for tag changes along with element deletions and
# make sure that the deleted element's bounding box is hit.
self.members
- else
+ else
changed_members
end
update_members.each do |type, id, role|
projects / rails.git / blobdiff