return doc
end
- def to_xml_node(user_display_name_cache = nil)
+ def to_xml_node(visible_members = nil, changeset_cache = {}, user_display_name_cache = {})
el1 = XML::Node.new 'relation'
el1['id'] = self.id.to_s
el1['visible'] = self.visible.to_s
el1['version'] = self.version.to_s
el1['changeset'] = self.changeset_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.changeset.user_id)
+ if changeset_cache.key?(self.changeset_id)
+ # use the cache if available
+ else
+ changeset_cache[self.changeset_id] = self.changeset.user_id
+ end
+
+ user_id = changeset_cache[self.changeset_id]
+
+ if user_display_name_cache.key?(user_id)
# use the cache if available
elsif self.changeset.user.data_public?
- user_display_name_cache[self.changeset.user_id] = self.changeset.user.display_name
+ user_display_name_cache[user_id] = self.changeset.user.display_name
else
- user_display_name_cache[self.changeset.user_id] = nil
+ user_display_name_cache[user_id] = nil
end
- if not user_display_name_cache[self.changeset.user_id].nil?
- el1['user'] = user_display_name_cache[self.changeset.user_id]
- el1['uid'] = self.changeset.user_id.to_s
+ if not user_display_name_cache[user_id].nil?
+ el1['user'] = user_display_name_cache[user_id]
+ el1['uid'] = user_id.to_s
end
self.relation_members.each do |member|
p=0
- #if visible_members
- # # if there is a list of visible members then use that to weed out deleted segments
- # if visible_members[member.member_type][member.member_id]
- # p=1
- # end
- #else
+ if visible_members
+ # if there is a list of visible members then use that to weed out deleted segments
+ if visible_members[member.member_type][member.member_id]
+ p=1
+ end
+ else
# otherwise, manually go to the db to check things
if member.member.visible?
p=1
end
- #end
+ end
if p
e = XML::Node.new 'member'
e['type'] = member.member_type.downcase
if ids.empty?
return []
else
- self.with_scope(:find => { :joins => "INNER JOIN current_relation_members ON current_relation_members.id = current_relations.id", :conditions => "current_relation_members.member_type = 'Node' AND current_relation_members.member_id IN (#{ids.join(',')})" }) do
+ self.with_scope(:find => { :joins => "INNER JOIN current_relation_members AS crm ON crm.id = current_relations.id", :conditions => "crm.member_type = 'Node' AND crm.member_id IN (#{ids.join(',')})" }) do
return self.find(:all, options)
end
end
if ids.empty?
return []
else
- self.with_scope(:find => { :joins => "INNER JOIN current_relation_members ON current_relation_members.id = current_relations.id", :conditions => "current_relation_members.member_type = 'Way' AND current_relation_members.member_id IN (#{ids.join(',')})" }) do
+ self.with_scope(:find => { :joins => "INNER JOIN current_relation_members AS crm ON crm.id = current_relations.id", :conditions => "crm.member_type = 'Way' AND crm.member_id IN (#{ids.join(',')})" }) do
return self.find(:all, options)
end
end
if ids.empty?
return []
else
- self.with_scope(:find => { :joins => "INNER JOIN current_relation_members ON current_relation_members.id = current_relations.id", :conditions => "current_relation_members.member_type = 'Relation' AND current_relation_members.member_id IN (#{ids.join(',')})" }) do
+ self.with_scope(:find => { :joins => "INNER JOIN current_relation_members AS crm ON crm.id = current_relations.id", :conditions => "crm.member_type = 'Relation' AND crm.member_id IN (#{ids.join(',')})" }) do
return self.find(:all, options)
end
end
# provide repeatable reads for the used-by checks. this means it
# shouldn't be possible to get race conditions.
Relation.transaction do
+ self.lock!
check_consistency(self, new_relation, user)
# This will check to see if this relation is used by another relation
- rel = RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = ? AND member_type='Relation' and member_id=? ", true, self.id ])
- raise OSM::APIPreconditionFailedError.new("The relation #{new_relation.id} is a used in relation #{rel.id}.") unless rel.nil?
+ rel = RelationMember.find(:first, :joins => :relation,
+ :conditions => [ "visible = ? AND member_type='Relation' and member_id=? ", true, self.id ])
+ raise OSM::APIPreconditionFailedError.new("The relation #{new_relation.id} is used in relation #{rel.relation.id}.") unless rel.nil?
self.changeset_id = new_relation.changeset_id
self.tags = {}
end
def update_from(new_relation, user)
- check_consistency(self, new_relation, user)
- unless new_relation.preconditions_ok?
- raise OSM::APIPreconditionFailedError.new("Cannot update relation #{self.id}: data or member data is invalid.")
+ Relation.transaction do
+ self.lock!
+ check_consistency(self, new_relation, user)
+ unless new_relation.preconditions_ok?(self.members)
+ raise OSM::APIPreconditionFailedError.new("Cannot update relation #{self.id}: data or member data is invalid.")
+ end
+ self.changeset_id = new_relation.changeset_id
+ self.changeset = new_relation.changeset
+ self.tags = new_relation.tags
+ self.members = new_relation.members
+ self.visible = true
+ save_with_history!
end
- self.changeset_id = new_relation.changeset_id
- self.changeset = new_relation.changeset
- self.tags = new_relation.tags
- self.members = new_relation.members
- self.visible = true
- save_with_history!
end
def create_with_history(user)
save_with_history!
end
- def preconditions_ok?
+ def preconditions_ok?(good_members = [])
# 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
# relation, then the hash table nodes would contain:
# => {50=>true, 1=>true}
elements = { :node => Hash.new, :way => Hash.new, :relation => Hash.new }
+
+ # pre-set all existing members to good
+ good_members.each { |m| elements[m[0].downcase.to_sym][m[1]] = true }
+
self.members.each do |m|
# find the hash for the element type or die
- logger.debug m[0]
hash = elements[m[0].downcase.to_sym] or return false
# unless its in the cache already
unless hash.key? m[1]
# use reflection to look up the appropriate class
model = Kernel.const_get(m[0].capitalize)
# get the element with that ID
- element = model.find(m[1])
+ element = model.find(:first, :conditions =>["id = ?", m[1]])
# and check that it is OK to use.
unless element and element.visible? and element.preconditions_ok?
- return false
+ raise OSM::APIPreconditionFailedError.new("Relation with id #{self.id} cannot be saved due to #{m[0]} with id #{m[1]}")
end
hash[m[1]] = true
end
end
return true
- rescue
- return false
end
# Temporary method to match interface to nodes
# 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+.
- def fix_placeholders!(id_map)
+ def fix_placeholders!(id_map, placeholder_id = nil)
self.members.map! do |type, id, role|
old_id = id.to_i
if old_id < 0
new_id = id_map[type.downcase.to_sym][old_id]
- raise "invalid placeholder" if new_id.nil?
+ raise OSM::APIBadUserInput.new("Placeholder #{type} not found for reference #{old_id} in relation #{self.id.nil? ? placeholder_id : self.id}.") if new_id.nil?
[type, new_id, role]
else
[type, id, role]
tags_changed |= (not tags.empty?)
RelationTag.delete_all(:id => self.id)
self.tags.each do |k,v|
- logger.info "TAG added: #{k} -> #{v}"
tag = RelationTag.new
tag.k = k
tag.v = v
projects / rails.git / blobdiff