# then rails only seems to return the first copy of a node when a
# way includes a node more than once
begin
- way = Way.find(wayid)
+ way = Way.find(wayid, :include => { :nodes => :node_tags })
rescue ActiveRecord::RecordNotFound
return [wayid,[],{}]
end
new_relation.version = version
if relid <= 0
- # We're creating the node
+ # We're creating the relation
new_relation.create_with_history(user)
elsif visible
- # We're updating the node
+ # We're updating the relation
relation.update_from(new_relation, user)
else
- # We're deleting the node
+ # We're deleting the relation
relation.delete_with_history!(new_relation, user)
end
end # transaction
# 4. way ID
# 5. list of nodes in way
# 6. hash of way tags
- # 7. array of nodes to change (each one is [lon,lat,id,version,tags])
+ # 7. array of nodes to change (each one is [lon,lat,id,version,tags]),
+ # 8. hash of nodes to delete (id->version).
#
# Returns:
# 0. '0' (code for success),
# 4. way version,
# 5. hash of node versions (node=>version)
- def putway(renumberednodes, usertoken, changeset_id, wayversion, originalway, pointlist, attributes, nodes) #:doc:
+ def putway(renumberednodes, usertoken, changeset_id, wayversion, originalway, pointlist, attributes, nodes, deletednodes) #:doc:
# -- Initialise
if pointlist.length < 2 then return -2,"Server error - way is only #{points.length} points long." end
originalway = originalway.to_i
- pointlist.collect! {|a| a.to_i }
+ pointlist.collect! {|a| a.to_i }
way=nil # this is returned, so scope it outside the transaction
nodeversions = {}
Way.transaction do
- # -- Get unique nodes
-
- if originalway <= 0
- uniques = []
- else
- way = Way.find(originalway)
- uniques = way.unshared_node_ids
- end
-
- #-- Update each changed node
+ # -- Update each changed node
nodes.each do |a|
lon = a[0].to_f
# -- Save revised way
- pointlist.collect! {|a|
- renumberednodes[a] ? renumberednodes[a]:a
- } # renumber nodes
+ pointlist.collect! {|a|
+ renumberednodes[a] ? renumberednodes[a]:a
+ } # renumber nodes
new_way = Way.new
new_way.tags = attributes
new_way.nds = pointlist
if originalway <= 0
new_way.create_with_history(user)
way=new_way # so we can get way.id and way.version
- elsif way.tags!=attributes or way.nds!=pointlist or !way.visible?
- way.update_from(new_way, user)
+ else
+ way = Way.find(originalway)
+ if way.tags!=attributes or way.nds!=pointlist or !way.visible?
+ way.update_from(new_way, user)
+ end
end
- # -- Delete any unique nodes no longer used
+ # -- Delete unwanted nodes
- uniques=uniques-pointlist
- uniques.each do |n|
- node = Node.find(n)
- deleteitemrelations(user, changeset_id, id, 'Node', node.version)
+ deletednodes.each do |id,v|
+ node = Node.find(id.to_i)
new_node = Node.new
new_node.changeset_id = changeset_id
- new_node.version = node.version
- node.delete_with_history!(new_node, user)
+ new_node.version = v.to_i
+ begin
+ node.delete_with_history!(new_node, user)
+ rescue OSM::APIPreconditionFailedError => ex
+ # We don't do anything here as the node is being used elsewhere
+ # and we don't want to delete it
+ end
end
end # transaction
- [0, originalway, way.id, renumberednodes, way.version, nodeversions]
+ [0, originalway, way.id, renumberednodes, way.version, nodeversions, deletednodes]
rescue OSM::APIChangesetAlreadyClosedError => ex
return [-2, "Sorry, your changeset #{ex.changeset.id} has been closed (at #{ex.changeset.closed_at})."]
rescue OSM::APIVersionMismatchError => ex
# of the nodes have been changed by someone else then, there is a problem!
# Returns 0 (success), unchanged way id.
- def deleteway(usertoken, changeset_id, way_id, way_version, node_id_version) #:doc:
+ def deleteway(usertoken, changeset_id, way_id, way_version, deletednodes) #:doc:
user = getuser(usertoken)
unless user then return -1,"You are not logged in, so the way could not be deleted." end
# Need a transaction so that if one item fails to delete, the whole delete fails.
Way.transaction do
- # delete the way
+ # -- Delete the way
+
old_way = Way.find(way_id)
- u = old_way.unshared_node_ids
delete_way = Way.new
delete_way.version = way_version
delete_way.changeset_id = changeset_id
old_way.delete_with_history!(delete_way, user)
- u.each do |node_id|
- # delete the node
- node = Node.find(node_id)
- delete_node = Node.new
- delete_node.changeset_id = changeset_id
- if node_id_version[node_id.to_s]
- delete_node.version = node_id_version[node_id.to_s]
- else
- # in case the node wasn't passed (i.e. if it was previously removed
- # from the way in Potlatch)
- deleteitemrelations(user, changeset_id, node_id, 'Node', node.version)
- delete_node.version = node.version
- end
- node.delete_with_history!(delete_node, user)
+ # -- Delete unwanted nodes
+
+ deletednodes.each do |id,v|
+ node = Node.find(id.to_i)
+ new_node = Node.new
+ new_node.changeset_id = changeset_id
+ new_node.version = v.to_i
+ begin
+ node.delete_with_history!(new_node, user)
+ rescue OSM::APIPreconditionFailedError => ex
+ # We don't do anything with the exception as the node is in use
+ # elsewhere and we don't want to delete it
+ end
end
+
end # transaction
[0, way_id]
rescue OSM::APIChangesetAlreadyClosedError => ex
# ====================================================================
# Support functions
- # Remove a node or way from all relations
- # This is only used by putway and deleteway when deleting nodes removed
- # from a way (because Potlatch itself doesn't keep track of these -
- # possible FIXME).
-
- def deleteitemrelations(user, changeset_id, objid, type, version) #:doc:
- relations = RelationMember.find(:all,
- :conditions => ['member_type = ? and member_id = ?', type.classify, objid],
- :include => :relation).collect { |rm| rm.relation }.uniq
-
- relations.each do |rel|
- rel.members.delete_if { |x| x[0] == type and x[1] == objid }
- new_rel = Relation.new
- new_rel.tags = rel.tags
- new_rel.visible = rel.visible
- new_rel.version = rel.version
- new_rel.members = rel.members
- new_rel.changeset_id = changeset_id
- rel.update_from(new_rel, user)
- end
- end
-
# Authenticate token
# (can also be of form user:pass)
# When we are writing to the api, we need the actual user model,
projects / rails.git / blobdiff