return POTLATCH_PRESETS
end
+ ##
# Find all the ways, POI nodes (i.e. not part of ways), and relations
# in a given bounding box. Nodes are returned in full; ways and relations
# are IDs only.
-
+ #
+ # return is of the form:
+ # [error_code,
+ # [[way_id, way_version], ...],
+ # [[node_id, lat, lon, [tags, ...], node_version], ...],
+ # [[rel_id, rel_version], ...]]
+ # where the ways are any visible ways which refer to any visible
+ # nodes in the bbox, nodes are any visible nodes in the bbox but not
+ # used in any way, rel is any relation which refers to either a way
+ # or node that we're returning.
def whichways(xmin, ymin, xmax, ymax) #:doc:
xmin -= 0.01; ymin -= 0.01
xmax += 0.01; ymax += 0.01
# check boundary is sane and area within defined
# see /config/application.yml
- begin
- check_boundaries(xmin, ymin, xmax, ymax)
- rescue Exception => err
- return [-2,"Sorry - I can't get the map for that area."]
- end
+ check_boundaries(xmin, ymin, xmax, ymax)
if POTLATCH_USE_SQL then
ways = sql_find_ways_in_area(xmin, ymin, xmax, ymax)
else
# find the way ids in an area
nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => ["current_nodes.visible = ?", true], :include => :ways)
- ways = nodes_in_area.collect { |node|
- node.ways.collect { |w| [w.id,w.version] }.flatten
+ ways = nodes_in_area.inject([]) { |sum, node|
+ visible_ways = node.ways.select { |w| w.visible? }
+ sum + visible_ways.collect { |w| [w.id,w.version] }
}.uniq
ways.delete([])
# find the node ids in an area that aren't part of ways
nodes_not_used_in_area = nodes_in_area.select { |node| node.ways.empty? }
- points = nodes_not_used_in_area.collect { |n| [n.id, n.lon, n.lat, n.tags] }
+ points = nodes_not_used_in_area.collect { |n| [n.id, n.lon, n.lat, n.tags, n.version] }
# find the relations used by those nodes and ways
relations = Relation.find_for_nodes(nodes_in_area.collect { |n| n.id }, :conditions => {:visible => true}) +
end
[0,ways, points, relations]
+
+ rescue Exception => err
+ [-2,"Sorry - I can't get the map for that area."]
end
# Find deleted ways in current bounding box (similar to whichways, but ways
# an array of previous versions.
def getnode_history(nodeid) #:doc:
- begin
- history = Node.find(nodeid).old_nodes.reverse.collect do |old_node|
- user_object = old_node.changeset.user
- user = user_object.data_public? ? user_object.display_name : 'anonymous'
- uid = user_object.data_public? ? user_object.id : 0
- [old_node.version, old_node.timestamp.strftime("%d %b %Y, %H:%M"), old_node.visible ? 1 : 0, user, uid]
- end
-
- return ['node',nodeid,history]
- rescue ActiveRecord::RecordNotFound
- return ['node', nodeid, []]
+ history = Node.find(nodeid).old_nodes.reverse.collect do |old_node|
+ user_object = old_node.changeset.user
+ user = user_object.data_public? ? user_object.display_name : 'anonymous'
+ uid = user_object.data_public? ? user_object.id : 0
+ [old_node.version, old_node.timestamp.strftime("%d %b %Y, %H:%M"), old_node.visible ? 1 : 0, user, uid]
end
+
+ return ['node',nodeid,history]
+ rescue ActiveRecord::RecordNotFound
+ return ['node', nodeid, []]
end
# Find GPS traces with specified name/id.
rescue OSM::APIChangesetAlreadyClosedError => ex
return [-1, "The changeset #{ex.changeset.id} was closed at #{ex.changeset.closed_at}"]
rescue OSM::APIVersionMismatchError => ex
- return [-1, "You have taken too long to edit, please reload the area"]
+ # Really need to check to see whether this is a server load issue, and the
+ # last version was in the same changeset, or belongs to the same user, then
+ # we can return something different
+ return [-3, "You have taken too long to edit, please reload the area"]
rescue OSM::APIAlreadyDeletedError => ex
return [-1, "The object has already been deleted"]
rescue OSM::APIError => ex
# -- Initialise and carry out checks
- user = getuserid(usertoken)
+ user = getuser(usertoken)
if !user then return -1,"You are not logged in, so the way could not be saved." end
originalway = originalway.to_i
if renumberednodes[id]
id = renumberednodes[id]
- elsif id <= 0
+ end
+ if id <= 0
# Create new node
savenode = true
else
end
[0, originalway, way.id, renumberednodes, way.version]
+ rescue OSM::APIChangesetAlreadyClosedError => ex
+ return [-1, "The changeset #{ex.changeset.id} was closed at #{ex.changeset.closed_at}"]
+ rescue OSM::APIVersionMismatchError => ex
+ # Really need to check to see whether this is a server load issue, and the
+ # last version was in the same changeset, or belongs to the same user, then
+ # we can return something different
+ return [-3, "You have taken too long to edit, please reload the area"]
+ rescue OSM::APIAlreadyDeletedError => ex
+ return [-1, "The object has already been deleted"]
+ rescue OSM::APIError => ex
+ # Some error that we don't specifically catch
+ return [-2, "Something really bad happened :-()"]
end
# Save POI to the database.
# Refuses save if the node has since become part of a way.
- # Returns:
+ # Returns array with:
# 0. 0 (success),
# 1. original node id (unchanged),
# 2. new node id,
# We always need a new node, based on the data that has been sent to us
new_node = Node.new
+ new_node.id = id
new_node.changeset_id = changeset
new_node.version = version
new_node.lat = lat
else
return [0, id, node.id, node.version]
end
+ rescue OSM::APIChangesetAlreadyClosedError => ex
+ return [-1, "The changeset #{ex.changeset.id} was closed at #{ex.changeset.closed_at}"]
+ rescue OSM::APIVersionMismatchError => ex
+ # Really need to check to see whether this is a server load issue, and the
+ # last version was in the same changeset, or belongs to the same user, then
+ # we can return something different
+ return [-3, "You have taken too long to edit, please reload the area"]
+ rescue OSM::APIAlreadyDeletedError => ex
+ return [-1, "The object has already been deleted"]
+ rescue OSM::APIError => ex
+ # Some error that we don't specifically catch
+ return [-2, "Something really bad happened :-()"]
end
# Read POI from database
# Delete way and all constituent nodes. Also removes from any relations.
# Returns 0 (success), unchanged way id.
- def deleteway(usertoken, changeset_id, way_id) #:doc:
- if !getuserid(usertoken) then return -1,"You are not logged in, so the way could not be deleted." end
-
- way_id = way_id.to_i
+ def deleteway(usertoken, changeset_id, way_id, version_id) #:doc:
+ user = getuser(usertoken)
+ if 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
+ way_id = way_id.to_i
+
+ # FIXME: would be good not to make two history entries when removing
+ # two nodes from the same relation
+ old_way = Way.find(way_id)
+ old_way.unshared_node_ids.each do |n|
+ deleteitemrelations(n, 'node')
+ end
+ deleteitemrelations(way_id, 'way')
- # FIXME: would be good not to make two history entries when removing
- # two nodes from the same relation
- way = Way.find(way_id)
- way.unshared_node_ids.each do |n|
- deleteitemrelations(n, 'node')
+ way.delete_with_relations_and_nodes_and_history(changeset_id.to_i)
end
- deleteitemrelations(way_id, 'way')
-
- way.delete_with_relations_and_nodes_and_history(changeset_id.to_i)
-
[0, way_id]
end
# Support functions
# Remove a node or way from all relations
-
+ # FIXME needs version, changeset, and user
def deleteitemrelations(objid, type) #:doc:
relations = RelationMember.find(:all,
:conditions => ['member_type = ? and member_id = ?', type, objid],
relations.each do |rel|
rel.members.delete_if { |x| x[0] == type and x[1] == objid }
- rel.save_with_history!
+ # FIXME need to create the new node/way based on the type.
+ new_rel = Relation.new
+ new_rel.version = version
+ new_rel.members = members
+ new_rel.changeset = changeset
+ rel.delete_with_history(new_rel, user)
end
end
projects / rails.git / blobdiff