class AmfController < ApplicationController
include Potlatch
- skip_before_filter :verify_authenticity_token
- before_filter :check_api_writable
+ skip_before_action :verify_authenticity_token
+ before_action :check_api_writable
# Main AMF handlers: process the raw AMF string (using AMF library) and
# calls each action (private method) accordingly.
logger.info("Executing AMF #{message}(#{args.join(',')})")
case message
- when 'getpresets' then result = getpresets(*args)
- when 'whichways' then result = whichways(*args)
- when 'whichways_deleted' then result = whichways_deleted(*args)
- when 'getway' then result = getway(args[0].to_i)
- when 'getrelation' then result = getrelation(args[0].to_i)
- when 'getway_old' then result = getway_old(args[0].to_i, args[1])
- when 'getway_history' then result = getway_history(args[0].to_i)
- when 'getnode_history' then result = getnode_history(args[0].to_i)
- when 'findgpx' then result = findgpx(*args)
- when 'findrelations' then result = findrelations(*args)
- when 'getpoi' then result = getpoi(*args)
+ when "getpresets" then result = getpresets(*args)
+ when "whichways" then result = whichways(*args)
+ when "whichways_deleted" then result = whichways_deleted(*args)
+ when "getway" then result = getway(args[0].to_i)
+ when "getrelation" then result = getrelation(args[0].to_i)
+ when "getway_old" then result = getway_old(args[0].to_i, args[1])
+ when "getway_history" then result = getway_history(args[0].to_i)
+ when "getnode_history" then result = getnode_history(args[0].to_i)
+ when "findgpx" then result = findgpx(*args)
+ when "findrelations" then result = findrelations(*args)
+ when "getpoi" then result = getpoi(*args)
end
result
result = [-5, nil]
else
case message
- when 'putway' then orn = renumberednodes.dup
- result = putway(renumberednodes, *args)
- result[4] = renumberednodes.reject { |k, _v| orn.key?(k) }
- if result[0] == 0 && result[2] != result[3] then renumberedways[result[2]] = result[3] end
- when 'putrelation' then result = putrelation(renumberednodes, renumberedways, *args)
- when 'deleteway' then result = deleteway(*args)
- when 'putpoi' then result = putpoi(*args)
- if result[0] == 0 && result[2] != result[3] then renumberednodes[result[2]] = result[3] end
- when 'startchangeset' then result = startchangeset(*args)
+ when "putway" then
+ orn = renumberednodes.dup
+ result = putway(renumberednodes, *args)
+ result[4] = renumberednodes.reject { |k, _v| orn.key?(k) }
+ renumberedways[result[2]] = result[3] if result[0] == 0 && result[2] != result[3]
+ when "putrelation" then
+ result = putrelation(renumberednodes, renumberedways, *args)
+ when "deleteway" then
+ result = deleteway(*args)
+ when "putpoi" then
+ result = putpoi(*args)
+ renumberednodes[result[2]] = result[3] if result[0] == 0 && result[2] != result[3]
+ when "startchangeset" then
+ result = startchangeset(*args)
end
err = true if result[0] == -3 # If a conflict is detected, don't execute any more writes
return [-2, "Sorry - I can't get the map for that area. The server said: #{ex}"]
rescue OSM::APIError => ex
return [-1, ex.to_s]
- rescue Exception => ex
+ rescue StandardError => ex
return [-2, "An unusual error happened (in #{call}). The server said: #{ex}"]
end
def startchangeset(usertoken, cstags, closeid, closecomment, opennew)
amf_handle_error("'startchangeset'", nil, nil) do
user = getuser(usertoken)
- unless user then return -1, "You are not logged in, so Potlatch can't write any changes to the database." end
- if user.blocks.active.exists? then return -1, t('application.setup_user_auth.blocked') end
- if REQUIRE_TERMS_AGREED && user.terms_agreed.nil? then return -1, "You must accept the contributor terms before you can edit." end
+ return -1, "You are not logged in, so Potlatch can't write any changes to the database." unless user
+ return -1, t("application.setup_user_auth.blocked") if user.blocks.active.exists?
+ return -1, "You must accept the contributor terms before you can edit." if REQUIRE_TERMS_AGREED && user.terms_agreed.nil?
if cstags
- unless tags_ok(cstags) then return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." end
+ return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." unless tags_ok(cstags)
cstags = strip_non_xml_chars cstags
end
elsif closecomment.empty?
cs.save!
else
- cs.tags['comment'] = closecomment
+ cs.tags["comment"] = closecomment
# in case closecomment has chars not allowed in xml
cs.tags = strip_non_xml_chars cs.tags
cs.save_with_tags!
cs.tags = cstags
cs.user_id = user.id
unless closecomment.empty?
- cs.tags['comment'] = closecomment
+ cs.tags["comment"] = closecomment
# in case closecomment has chars not allowed in xml
cs.tags = strip_non_xml_chars cs.tags
end
cs.created_at = Time.now.getutc
cs.closed_at = cs.created_at + Changeset::IDLE_TIMEOUT
cs.save_with_tags!
- return [0, '', cs.id]
+ return [0, "", cs.id]
else
- return [0, '', nil]
+ return [0, "", nil]
end
end
end
def getlocalized(lang)
# What we end up actually using. Reported in Potlatch's created_by=* string
- loaded_lang = 'en'
+ loaded_lang = "en"
# Load English defaults
en = YAML.load(File.open("#{Rails.root}/config/potlatch/locales/en.yml"))["en"]
- if lang == 'en'
+ if lang == "en"
return [loaded_lang, en]
else
# Use English as a fallback
def whichways(xmin, ymin, xmax, ymax) #:doc:
amf_handle_error_with_timeout("'whichways'", nil, nil) do
enlarge = [(xmax - xmin) / 8, 0.01].min
- xmin -= enlarge; ymin -= enlarge
- xmax += enlarge; ymax += enlarge
+ xmin -= enlarge
+ ymin -= enlarge
+ xmax += enlarge
+ ymax += enlarge
# check boundary is sane and area within defined
# see /config/application.yml
relations = relations.collect { |relation| [relation.id, relation.version] }.uniq
end
- [0, '', ways, points, relations]
+ [0, "", ways, points, relations]
end
end
def whichways_deleted(xmin, ymin, xmax, ymax) #:doc:
amf_handle_error_with_timeout("'whichways_deleted'", nil, nil) do
enlarge = [(xmax - xmin) / 8, 0.01].min
- xmin -= enlarge; ymin -= enlarge
- xmax += enlarge; ymax += enlarge
+ xmin -= enlarge
+ ymin -= enlarge
+ xmax += enlarge
+ ymax += enlarge
# check boundary is sane and area within defined
# see /config/application.yml
nodes_in_area = Node.bbox(bbox).joins(:ways_via_history).where(:current_ways => { :visible => false })
way_ids = nodes_in_area.collect { |node| node.ways_via_history.invisible.collect(&:id) }.flatten.uniq
- [0, '', way_ids]
+ [0, "", way_ids]
end
end
# Returns the way id, a Potlatch-style array of points, a hash of tags, the version number, and the user ID.
def getway(wayid) #:doc:
- amf_handle_error_with_timeout("'getway' #{wayid}", 'way', wayid) do
+ amf_handle_error_with_timeout("'getway' #{wayid}", "way", wayid) do
if POTLATCH_USE_SQL
points = sql_get_nodes_in_way(wayid)
tags = sql_get_tags_in_way(wayid)
way = Way.where(:id => wayid).first
# check case where way has been deleted or doesn't exist
- return [-4, 'way', wayid] if way.nil? || !way.visible
+ return [-4, "way", wayid] if way.nil? || !way.visible
points = way.nodes.preload(:node_tags).collect do |node|
nodetags = node.tags
- nodetags.delete('created_by')
+ nodetags.delete("created_by")
[node.lon, node.lat, node.id, nodetags, node.version]
end
tags = way.tags
uid = way.changeset.user.id
end
- [0, '', wayid, points, tags, version, uid]
+ [0, "", wayid, points, tags, version, uid]
end
end
# 5. is this the current, visible version? (boolean)
def getway_old(id, timestamp) #:doc:
- amf_handle_error_with_timeout("'getway_old' #{id}, #{timestamp}", 'way', id) do
- if timestamp == ''
+ amf_handle_error_with_timeout("'getway_old' #{id}, #{timestamp}", "way", id) do
+ if timestamp == ""
# undelete
old_way = OldWay.where(:visible => true, :way_id => id).unredacted.order("version DESC").first
points = old_way.get_nodes_undelete unless old_way.nil?
timestamp = DateTime.strptime(timestamp.to_s, "%d %b %Y, %H:%M:%S")
old_way = OldWay.where("way_id = ? AND timestamp <= ?", id, timestamp).unredacted.order("timestamp DESC").first
unless old_way.nil?
- points = old_way.get_nodes_revert(timestamp)
- unless old_way.visible
+ if old_way.visible
+ points = old_way.get_nodes_revert(timestamp)
+ else
return [-1, "Sorry, the way was deleted at that time - please revert to a previous version.", id]
end
end
rescue ArgumentError
# thrown by date parsing method. leave old_way as nil for
# the error handler below.
+ old_way = nil
end
end
return [-1, "Sorry, the server could not find a way at that time.", id]
else
curway = Way.find(id)
- old_way.tags['history'] = "Retrieved from v#{old_way.version}"
- return [0, '', id, points, old_way.tags, curway.version, (curway.version == old_way.version && curway.visible)]
+ old_way.tags["history"] = "Retrieved from v#{old_way.version}"
+ return [0, "", id, points, old_way.tags, curway.version, (curway.version == old_way.version && curway.visible)]
end
end
end
revusers = {}
Way.find(wayid).old_ways.unredacted.collect do |a|
revdates.push(a.timestamp)
- unless revusers.key?(a.timestamp.to_i) then revusers[a.timestamp.to_i] = change_user(a) end
+ revusers[a.timestamp.to_i] = change_user(a) unless revusers.key?(a.timestamp.to_i)
a.nds.each do |n|
Node.find(n).old_nodes.unredacted.collect do |o|
revdates.push(o.timestamp)
- unless revusers.key?(o.timestamp.to_i) then revusers[o.timestamp.to_i] = change_user(o) end
+ revusers[o.timestamp.to_i] = change_user(o) unless revusers.key?(o.timestamp.to_i)
end
end
end
revdates.collect! { |d| [(d + 1).strftime("%d %b %Y, %H:%M:%S")] + revusers[d.to_i] }
revdates.uniq!
- return ['way', wayid, revdates]
+ return ["way", wayid, revdates]
rescue ActiveRecord::RecordNotFound
- return ['way', wayid, []]
+ return ["way", wayid, []]
end
# Find history of a node. Returns 'node', id, and an array of previous versions as above.
history = Node.find(nodeid).old_nodes.unredacted.reverse.collect do |old_node|
[(old_node.timestamp + 1).strftime("%d %b %Y, %H:%M:%S")] + change_user(old_node)
end
- return ['node', nodeid, history]
+ return ["node", nodeid, history]
rescue ActiveRecord::RecordNotFound
- return ['node', nodeid, []]
+ return ["node", nodeid, []]
end
def change_user(obj)
user_object = obj.changeset.user
- user = user_object.data_public? ? user_object.display_name : 'anonymous'
+ user = user_object.data_public? ? user_object.display_name : "anonymous"
uid = user_object.data_public? ? user_object.id : 0
[user, uid]
end
def findgpx(searchterm, usertoken)
amf_handle_error_with_timeout("'findgpx'", nil, nil) do
user = getuser(usertoken)
- unless user then return -1, "You must be logged in to search for GPX traces." end
- if user.blocks.active.exists? then return -1, t('application.setup_user_auth.blocked') end
+
+ return -1, "You must be logged in to search for GPX traces." unless user
+ return -1, t("application.setup_user_auth.blocked") if user.blocks.active.exists?
query = Trace.visible_to(user)
if searchterm.to_i > 0
gpxs = query.collect do |gpx|
[gpx.id, gpx.name, gpx.description]
end
- [0, '', gpxs]
+ [0, "", gpxs]
end
end
# 5. version.
def getrelation(relid) #:doc:
- amf_handle_error("'getrelation' #{relid}", 'relation', relid) do
+ amf_handle_error("'getrelation' #{relid}", "relation", relid) do
rel = Relation.where(:id => relid).first
- return [-4, 'relation', relid] if rel.nil? || !rel.visible
- [0, '', relid, rel.tags, rel.members, rel.version]
+ return [-4, "relation", relid] if rel.nil? || !rel.visible
+ [0, "", relid, rel.tags, rel.members, rel.version]
end
end
# 3. version.
def putrelation(renumberednodes, renumberedways, usertoken, changeset_id, version, relid, tags, members, visible) #:doc:
- amf_handle_error("'putrelation' #{relid}", 'relation', relid) do
+ amf_handle_error("'putrelation' #{relid}", "relation", relid) do
user = getuser(usertoken)
- unless user then return -1, "You are not logged in, so the relation could not be saved." end
- if user.blocks.active.exists? then return -1, t('application.setup_user_auth.blocked') end
- if REQUIRE_TERMS_AGREED && user.terms_agreed.nil? then return -1, "You must accept the contributor terms before you can edit." end
- unless tags_ok(tags) then return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." end
+ return -1, "You are not logged in, so the relation could not be saved." unless user
+ return -1, t("application.setup_user_auth.blocked") if user.blocks.active.exists?
+ return -1, "You must accept the contributor terms before you can edit." if REQUIRE_TERMS_AGREED && user.terms_agreed.nil?
+
+ return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." unless tags_ok(tags)
tags = strip_non_xml_chars tags
relid = relid.to_i
relation = nil
Relation.transaction do
# create a new relation, or find the existing one
- if relid > 0
- relation = Relation.find(relid)
- end
+ relation = Relation.find(relid) if relid > 0
# We always need a new node, based on the data that has been sent to us
new_relation = Relation.new
members.each do |m|
mid = m[1].to_i
if mid < 0
- mid = renumberednodes[mid] if m[0] == 'Node'
- mid = renumberedways[mid] if m[0] == 'Way'
+ mid = renumberednodes[mid] if m[0] == "Node"
+ mid = renumberedways[mid] if m[0] == "Way"
end
if mid
typedmembers << [m[0], mid, m[2].delete("\000-\037\ufffe\uffff", "^\011\012\015")]
end # transaction
if relid <= 0
- return [0, '', relid, new_relation.id, new_relation.version]
+ return [0, "", relid, new_relation.id, new_relation.version]
else
- return [0, '', relid, relid, relation.version]
+ return [0, "", relid, relid, relation.version]
end
end
end
# 3. new way id,
# 4. hash of renumbered nodes (old id=>new id),
# 5. way version,
- # 6. hash of node versions (node=>version)
+ # 6. hash of changed node versions (node=>version)
+ # 7. hash of deleted node versions (node=>version)
def putway(renumberednodes, usertoken, changeset_id, wayversion, originalway, pointlist, attributes, nodes, deletednodes) #:doc:
- amf_handle_error("'putway' #{originalway}", 'way', originalway) do
+ amf_handle_error("'putway' #{originalway}", "way", originalway) do
# -- Initialise
user = getuser(usertoken)
- unless user then return -1, "You are not logged in, so the way could not be saved." end
- if user.blocks.active.exists? then return -1, t('application.setup_user_auth.blocked') end
- if REQUIRE_TERMS_AGREED && user.terms_agreed.nil? then return -1, "You must accept the contributor terms before you can edit." end
+ return -1, "You are not logged in, so the way could not be saved." unless user
+ return -1, t("application.setup_user_auth.blocked") if user.blocks.active.exists?
+ return -1, "You must accept the contributor terms before you can edit." if REQUIRE_TERMS_AGREED && user.terms_agreed.nil?
- if pointlist.length < 2 then return -2, "Server error - way is only #{points.length} points long." end
+ return -2, "Server error - way is only #{pointlist.length} points long." if pointlist.length < 2
- unless tags_ok(attributes) then return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." end
+ return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." unless tags_ok(attributes)
attributes = strip_non_xml_chars attributes
originalway = originalway.to_i
id = a[2].to_i
version = a[3].to_i
- if id == 0 then return -2, "Server error - node with id 0 found in way #{originalway}." end
- if lat == 90 then return -2, "Server error - node with latitude -90 found in way #{originalway}." end
- if renumberednodes[id] then id = renumberednodes[id] end
+ return -2, "Server error - node with id 0 found in way #{originalway}." if id == 0
+ return -2, "Server error - node with latitude -90 found in way #{originalway}." if lat == 90
+
+ id = renumberednodes[id] if renumberednodes[id]
node = Node.new
node.changeset_id = changeset_id
node.tags = a[4]
# fixup node tags in a way as well
- unless tags_ok(node.tags) then return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." end
+ return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." unless tags_ok(node.tags)
node.tags = strip_non_xml_chars node.tags
- node.tags.delete('created_by')
+ node.tags.delete("created_by")
node.version = version
if id <= 0
# We're creating the node
new_node.id = id.to_i
begin
node.delete_with_history!(new_node, user)
- rescue OSM::APIPreconditionFailedError => ex
+ rescue OSM::APIPreconditionFailedError
# 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, deletednodes]
+ [0, "", originalway, way.id, renumberednodes, way.version, nodeversions, deletednodes]
end
end
# 4. version.
def putpoi(usertoken, changeset_id, version, id, lon, lat, tags, visible) #:doc:
- amf_handle_error("'putpoi' #{id}", 'node', id) do
+ amf_handle_error("'putpoi' #{id}", "node", id) do
user = getuser(usertoken)
- unless user then return -1, "You are not logged in, so the point could not be saved." end
- if user.blocks.active.exists? then return -1, t('application.setup_user_auth.blocked') end
- if REQUIRE_TERMS_AGREED && user.terms_agreed.nil? then return -1, "You must accept the contributor terms before you can edit." end
+ return -1, "You are not logged in, so the point could not be saved." unless user
+ return -1, t("application.setup_user_auth.blocked") if user.blocks.active.exists?
+ return -1, "You must accept the contributor terms before you can edit." if REQUIRE_TERMS_AGREED && user.terms_agreed.nil?
- unless tags_ok(tags) then return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." end
+ return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." unless tags_ok(tags)
tags = strip_non_xml_chars tags
id = id.to_i
new_node = nil
Node.transaction do
if id > 0
- node = Node.find(id)
+ begin
+ node = Node.find(id)
+ rescue ActiveRecord::RecordNotFound
+ return [-4, "node", id]
+ end
- unless visible
- unless node.ways.empty? then return -1, "Point #{id} has since become part of a way, so you cannot save it as a POI.", id, id, version end
+ unless visible || node.ways.empty?
+ return -1, "Point #{id} has since become part of a way, so you cannot save it as a POI.", id, id, version
end
end
# We always need a new node, based on the data that has been sent to us
end # transaction
if id <= 0
- return [0, '', id, new_node.id, new_node.version]
+ return [0, "", id, new_node.id, new_node.version]
else
- return [0, '', id, node.id, node.version]
+ return [0, "", id, node.id, node.version]
end
end
end
# Returns array of id, long, lat, hash of tags, (current) version.
def getpoi(id, timestamp) #:doc:
- amf_handle_error("'getpoi' #{id}", 'node', id) do
+ amf_handle_error("'getpoi' #{id}", "node", id) do
id = id.to_i
- n = Node.find(id)
- v = n.version
- unless timestamp == ''
- n = OldNode.where("node_id = ? AND timestamp <= ?", id, timestamp).unredacted.order("timestamp DESC").first
+ n = Node.where(:id => id).first
+ if n
+ v = n.version
+ unless timestamp == ""
+ n = OldNode.where("node_id = ? AND timestamp <= ?", id, timestamp).unredacted.order("timestamp DESC").first
+ end
end
if n
- return [0, '', n.id, n.lon, n.lat, n.tags, v]
+ return [0, "", id, n.lon, n.lat, n.tags, v]
else
- return [-4, 'node', id]
+ return [-4, "node", id]
end
end
end
# Returns 0 (success), unchanged way id, new way version, new node versions.
def deleteway(usertoken, changeset_id, way_id, way_version, deletednodes) #:doc:
- amf_handle_error("'deleteway' #{way_id}", 'way', way_id) do
+ amf_handle_error("'deleteway' #{way_id}", "way", way_id) do
user = getuser(usertoken)
- unless user then return -1, "You are not logged in, so the way could not be deleted." end
- if user.blocks.active.exists? then return -1, t('application.setup_user_auth.blocked') end
- if REQUIRE_TERMS_AGREED && user.terms_agreed.nil? then return -1, "You must accept the contributor terms before you can edit." end
+ return -1, "You are not logged in, so the way could not be deleted." unless user
+ return -1, t("application.setup_user_auth.blocked") if user.blocks.active.exists?
+ return -1, "You must accept the contributor terms before you can edit." if REQUIRE_TERMS_AGREED && user.terms_agreed.nil?
way_id = way_id.to_i
nodeversions = {}
begin
node.delete_with_history!(new_node, user)
nodeversions[node.id] = node.version
- rescue OSM::APIPreconditionFailedError => ex
+ rescue OSM::APIPreconditionFailedError
# 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, old_way.version, nodeversions]
+ [0, "", way_id, old_way.version, nodeversions]
end
end
AND current_ways.visible=TRUE
AND #{OSM.sql_for_area(bbox, "current_nodes.")}
EOF
- ActiveRecord::Base.connection.select_all(sql).collect { |a| [a['wayid'].to_i, a['version'].to_i] }
+ ActiveRecord::Base.connection.select_all(sql).collect { |a| [a["wayid"].to_i, a["version"].to_i] }
end
def sql_find_pois_in_area(bbox)
ActiveRecord::Base.connection.select_all(sql).each do |row|
poitags = {}
ActiveRecord::Base.connection.select_all("SELECT k,v FROM current_node_tags WHERE id=#{row['id']}").each do |n|
- poitags[n['k']] = n['v']
+ poitags[n["k"]] = n["v"]
end
- pois << [row['id'].to_i, row['lon'].to_f, row['lat'].to_f, poitags, row['version'].to_i]
+ pois << [row["id"].to_i, row["lon"].to_f, row["lat"].to_f, poitags, row["version"].to_i]
end
pois
end
AND crm.member_id IN (#{way_ids.join(',')})
EOF
end
- ActiveRecord::Base.connection.select_all(sql).collect { |a| [a['relid'].to_i, a['version'].to_i] }
+ ActiveRecord::Base.connection.select_all(sql).collect { |a| [a["relid"].to_i, a["version"].to_i] }
end
def sql_get_nodes_in_way(wayid)
ActiveRecord::Base.connection.select_all(sql).each do |row|
nodetags = {}
ActiveRecord::Base.connection.select_all("SELECT k,v FROM current_node_tags WHERE id=#{row['id']}").each do |n|
- nodetags[n['k']] = n['v']
+ nodetags[n["k"]] = n["v"]
end
- nodetags.delete('created_by')
- points << [row['lon'].to_f, row['lat'].to_f, row['id'].to_i, nodetags, row['version'].to_i]
+ nodetags.delete("created_by")
+ points << [row["lon"].to_f, row["lat"].to_f, row["id"].to_i, nodetags, row["version"].to_i]
end
points
end
def sql_get_tags_in_way(wayid)
tags = {}
ActiveRecord::Base.connection.select_all("SELECT k,v FROM current_way_tags WHERE id=#{wayid.to_i}").each do |row|
- tags[row['k']] = row['v']
+ tags[row["k"]] = row["v"]
end
tags
end
def sql_get_way_version(wayid)
- ActiveRecord::Base.connection.select_one("SELECT version FROM current_ways WHERE id=#{wayid.to_i}")['version']
+ ActiveRecord::Base.connection.select_one("SELECT version FROM current_ways WHERE id=#{wayid.to_i}")["version"]
end
def sql_get_way_user(wayid)
- ActiveRecord::Base.connection.select_one("SELECT user FROM current_ways,changesets WHERE current_ways.id=#{wayid.to_i} AND current_ways.changeset=changesets.id")['user']
+ ActiveRecord::Base.connection.select_one("SELECT user FROM current_ways,changesets WHERE current_ways.id=#{wayid.to_i} AND current_ways.changeset=changesets.id")["user"]
end
end