# return(-1,"message") <-- just puts up a dialogue
# return(-2,"message") <-- also asks the user to e-mail me
#
-# To write to the Rails log, use RAILS_DEFAULT_LOGGER.info("message").
+# To write to the Rails log, use logger.info("message").
+
+# Remaining issues:
+# * version conflict when POIs and ways are reverted
class AmfController < ApplicationController
require 'stringio'
index=AMF.getstring(req) # | get index in response sequence
bytes=AMF.getlong(req) # | get total size in bytes
args=AMF.getvalue(req) # | get response (probably an array)
- logger.info "Executing AMF #{message}:#{index}"
+ logger.info("Executing AMF #{message}:#{index}")
case message
when 'getpresets'; results[index]=AMF.putdata(index,getpresets())
when 'whichways_deleted'; results[index]=AMF.putdata(index,whichways_deleted(*args))
when 'getway'; results[index]=AMF.putdata(index,getway(args[0].to_i))
when 'getrelation'; results[index]=AMF.putdata(index,getrelation(args[0].to_i))
- when 'getway_old'; results[index]=AMF.putdata(index,getway_old(args[0].to_i,args[1].to_i))
+ when 'getway_old'; results[index]=AMF.putdata(index,getway_old(args[0].to_i,args[1]))
when 'getway_history'; results[index]=AMF.putdata(index,getway_history(args[0].to_i))
when 'getnode_history'; results[index]=AMF.putdata(index,getnode_history(args[0].to_i))
when 'findgpx'; results[index]=AMF.putdata(index,findgpx(*args))
bytes=AMF.getlong(req) # | get total size in bytes
args=AMF.getvalue(req) # | get response (probably an array)
+ logger.info("Executing AMF #{message}:#{index}")
case message
when 'putway'; r=putway(renumberednodes,*args)
renumberednodes=r[3]
when 'startchangeset'; results[index]=AMF.putdata(index,startchangeset(*args))
end
end
+ logger.info("encoding AMF results")
sendresponse(results)
end
# Start new changeset
def startchangeset(usertoken, cstags, closeid, closecomment)
- user = getuserid(usertoken)
+ user = getuser(usertoken)
if !user then return -1,"You are not logged in, so Potlatch can't write any changes to the database." end
# close previous changeset and add comment
cs.user_id = user.id
# smsm1 doesn't like the next two lines and thinks they need to be abstracted to the model more/better
cs.created_at = Time.now
- cs.closed_at = Time.new + Changeset::IDLE_TIMEOUT
+ cs.closed_at = cs.created_at + Changeset::IDLE_TIMEOUT
cs.save_with_tags!
return [0,cs.id]
end
# 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
+ enlarge = [(xmax-xmin)/8,0.01].min
+ xmin -= enlarge; ymin -= enlarge
+ xmax += enlarge; ymax += enlarge
# check boundary is sane and area within defined
# see /config/application.yml
# 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, n.version] }
+ points = nodes_not_used_in_area.collect { |n| [n.id, n.lon, n.lat, n.tags, n.version] }.uniq
# find the relations used by those nodes and ways
relations = Relation.find_for_nodes(nodes_in_area.collect { |n| n.id }, :conditions => {:visible => true}) +
relations = relations.collect { |relation| [relation.id,relation.version] }.uniq
end
- [0,ways, points, relations]
+ [0, ways, points, relations]
rescue Exception => err
[-2,"Sorry - I can't get the map for that area."]
# with a deleted node only - not POIs or relations).
def whichways_deleted(xmin, ymin, xmax, ymax) #:doc:
- xmin -= 0.01; ymin -= 0.01
- xmax += 0.01; ymax += 0.01
+ enlarge = [(xmax-xmin)/8,0.01].min
+ xmin -= enlarge; ymin -= enlarge
+ xmax += enlarge; ymax += enlarge
# check boundary is sane and area within defined
# see /config/application.yml
def getway(wayid) #:doc:
if POTLATCH_USE_SQL then
- points = sql_get_nodes_in_way(wayid)
- tags = sql_get_tags_in_way(wayid)
- version = sql_get_way_version(wayid)
+ points = sql_get_nodes_in_way(wayid)
+ tags = sql_get_tags_in_way(wayid)
+ version = sql_get_way_version(wayid)
else
# Ideally we would do ":include => :nodes" here but if we do that
# then rails only seems to return the first copy of a node when a
# 3. hash of tags,
# 4. version,
# 5. is this the current, visible version? (boolean)
-
- def getway_old(id, version) #:doc:
- if version < 0
+
+ def getway_old(id, timestamp) #:doc:
+ if timestamp == ''
+ # undelete
old_way = OldWay.find(:first, :conditions => ['visible = ? AND id = ?', true, id], :order => 'version DESC')
points = old_way.get_nodes_undelete unless old_way.nil?
else
- old_way = OldWay.find(:first, :conditions => ['id = ? AND version = ?', id, version])
- points = old_way.get_nodes_revert unless old_way.nil?
+ # revert
+ timestamp = DateTime.strptime(timestamp, "%d %b %Y, %H:%M:%S")
+ old_way = OldWay.find(:first, :conditions => ['id = ? AND timestamp <= ?', id, timestamp], :order => 'timestamp DESC')
+ points = old_way.get_nodes_revert(timestamp) unless old_way.nil?
+ if !old_way.visible
+ return [-1, "Sorry, the way was deleted at that time - please revert to a previous version."]
+ end
end
if old_way.nil?
+ # *** FIXME: shouldn't this be returning an error?
return [-1, id, [], {}, -1,0]
else
curway=Way.find(id)
old_way.tags['history'] = "Retrieved from v#{old_way.version}"
- return [0, id, points, old_way.tags, old_way.version, (curway.version==old_way.version and curway.visible)]
+ return [0, id, points, old_way.tags, curway.version, (curway.version==old_way.version and curway.visible)]
end
end
- # Find history of a way. Returns 'way', id, and
- # an array of previous versions.
+ # Find history of a way.
+ # Returns 'way', id, and an array of previous versions:
+ # - formerly [old_way.version, old_way.timestamp.strftime("%d %b %Y, %H:%M"), old_way.visible ? 1 : 0, user, uid]
+ # - now [timestamp,user,uid]
+ #
+ # Heuristic: Find all nodes that have ever been part of the way;
+ # get a list of their revision dates; add revision dates of the way;
+ # sort and collapse list (to within 2 seconds); trim all dates before the
+ # start date of the way.
def getway_history(wayid) #:doc:
+
begin
- history = Way.find(wayid).old_ways.reverse.collect do |old_way|
- user_object = old_way.changeset.user
- user = user_object.data_public? ? user_object.display_name : 'anonymous'
- uid = user_object.data_public? ? user_object.id : 0
- [old_way.version, old_way.timestamp.strftime("%d %b %Y, %H:%M"), old_way.visible ? 1 : 0, user, uid]
+ # Find list of revision dates for way and all constituent nodes
+ revdates=[]
+ revusers={}
+ Way.find(wayid).old_ways.collect do |a|
+ revdates.push(a.timestamp)
+ unless revusers.has_key?(a.timestamp.to_i) then revusers[a.timestamp.to_i]=change_user(a) end
+ a.nds.each do |n|
+ Node.find(n).old_nodes.collect do |o|
+ revdates.push(o.timestamp)
+ unless revusers.has_key?(o.timestamp.to_i) then revusers[o.timestamp.to_i]=change_user(o) end
+ end
+ end
end
-
- return ['way',wayid,history]
+ waycreated=revdates[0]
+ revdates.uniq!
+ revdates.sort!
+ revdates.reverse!
+
+ # Remove any dates (from nodes) before first revision date of way
+ revdates.delete_if { |d| d<waycreated }
+ # Remove any elements where 2 seconds doesn't elapse before next one
+ revdates.delete_if { |d| revdates.include?(d+1) or revdates.include?(d+2) }
+ # Collect all in one nested array
+ revdates.collect! {|d| [d.strftime("%d %b %Y, %H:%M:%S")] + revusers[d.to_i] }
+
+ return ['way',wayid,revdates]
rescue ActiveRecord::RecordNotFound
return ['way', wayid, []]
end
end
-
- # Find history of a node. Returns 'node', id, and
- # an array of previous versions.
+
+ # Find history of a node. Returns 'node', id, and an array of previous versions as above.
def getnode_history(nodeid) #:doc:
- 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]
+ begin
+ history = Node.find(nodeid).old_nodes.reverse.collect do |old_node|
+ [old_node.timestamp.strftime("%d %b %Y, %H:%M:%S")] + change_user(old_node)
+ end
+ return ['node', nodeid, history]
+ rescue ActiveRecord::RecordNotFound
+ return ['node', nodeid, []]
end
-
- return ['node',nodeid,history]
- rescue ActiveRecord::RecordNotFound
- return ['node', nodeid, []]
+ end
+
+ def change_user(obj)
+ user_object = obj.changeset.user
+ user = user_object.data_public? ? user_object.display_name : 'anonymous'
+ uid = user_object.data_public? ? user_object.id : 0
+ [user,uid]
end
# Find GPS traces with specified name/id.
# Returns array listing GPXs, each one comprising id, name and description.
def findgpx(searchterm, usertoken)
- uid = getuserid(usertoken)
+ user = getuser(usertoken)
if !uid then return -1,"You must be logged in to search for GPX traces." end
gpxs = []
if searchterm.to_i>0 then
- gpx = Trace.find(searchterm.to_i, :conditions => ["visible=? AND (public=? OR user_id=?)",true,true,uid] )
+ gpx = Trace.find(searchterm.to_i, :conditions => ["visible=? AND (public=? OR user_id=?)",true,true,user.id] )
if gpx then
gpxs.push([gpx.id, gpx.name, gpx.description])
end
else
- Trace.find(:all, :limit => 21, :conditions => ["visible=? AND (public=? OR user_id=?) AND MATCH(name) AGAINST (?)",true,true,uid,searchterm] ).each do |gpx|
+ Trace.find(:all, :limit => 21, :conditions => ["visible=? AND (public=? OR user_id=?) AND MATCH(name) AGAINST (?)",true,true,user.id,searchterm] ).each do |gpx|
gpxs.push([gpx.id, gpx.name, gpx.description])
end
end
# 1. original relation id (unchanged),
# 2. new relation id.
- def putrelation(renumberednodes, renumberedways, usertoken, changeset, version, relid, tags, members, visible) #:doc:
- user = getuserid(usertoken)
+ def putrelation(renumberednodes, renumberedways, usertoken, changeset_id, version, relid, tags, members, visible) #:doc:
+ user = getuser(usertoken)
if !user then return -1,"You are not logged in, so the relation could not be saved." end
relid = relid.to_i
new_relation.members = typedmembers
new_relation.tags = tags
new_relation.visible = visible
- new_relation.changeset_id = changeset
+ new_relation.changeset_id = changeset_id
new_relation.version = version
return [0, relid, relation.id, relation.version]
end
rescue OSM::APIChangesetAlreadyClosedError => ex
- return [-1, "The changeset #{ex.changeset.id} was closed at #{ex.changeset.closed_at}"]
+ 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"]
+ return [-3, "Sorry, someone else has changed this relation since you started editing. Please click the 'Edit' tab to reload the area."]
rescue OSM::APIAlreadyDeletedError => ex
- return [-1, "The object has already been deleted"]
+ return [-1, "The relation has already been deleted."]
rescue OSM::APIError => ex
# Some error that we don't specifically catch
- return [-2, "Something really bad happened :-()"]
+ return [-2, "Something really bad happened :-( ."]
end
# Save a way to the database, including all nodes. Any nodes in the previous
# version and no longer used are deleted.
#
# Parameters:
- # 0. hash of renumbered nodes
+ # 0. hash of renumbered nodes (added by amf_controller)
# 1. current user token (for authentication)
# 2. current changeset
# 3. new way version
# 4. way version,
# 5. hash of node versions (node=>version)
- def putway(renumberednodes, usertoken, changeset, version, originalway, pointlist, attributes, nodes) #:doc:
+ def putway(renumberednodes, usertoken, changeset_id, wayversion, originalway, pointlist, attributes, nodes) #: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 }
+
+ way=nil # this is returned, so scope it outside the transaction
+ nodeversions = {}
Way.transaction do
# -- Get unique nodes
if originalway <= 0
- way = nil
uniques = []
else
way = Way.find(originalway)
uniques = way.unshared_node_ids
end
- new_way = Way.new
- #Ê-- Update each changed node
+ #-- Update each changed node
- nodeversions = {}
nodes.each do |a|
lon = a[0].to_f
lat = a[1].to_f
if renumberednodes[id] then id = renumberednodes[id] end
node = Node.new
- node.changeset_id = changeset
+ node.changeset_id = changeset_id
node.lat = lat
node.lon = lon
node.tags = a[4]
# We're creating the node
node.create_with_history(user)
renumberednodes[id] = node.id
- nodeversions[id] = node.version
+ nodeversions[node.id] = node.version
else
# We're updating an existing node
previous=Node.find(id)
previous.update_from(node, user)
- nodeversions[id] = previous.version
+ nodeversions[previous.id] = previous.version
end
end
+ # -- Save revised way
+
+ pointlist.collect! {|a|
+ renumberednodes[a] ? renumberednodes[a]:a
+ } # renumber nodes
+ new_way = Way.new
+ new_way.tags = attributes
+ new_way.nds = pointlist
+ new_way.changeset_id = changeset_id
+ new_way.version = wayversion
+ 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)
+ end
+
# -- Delete any unique nodes no longer used
uniques=uniques-pointlist
uniques.each do |n|
node = Node.find(n)
+ deleteitemrelations(user, changeset_id, id, 'node', node.version)
new_node = Node.new
- new_node.changeset_id = changeset
- new_node.version = version
+ new_node.changeset_id = changeset_id
+ new_node.version = node.version
node.delete_with_history!(new_node, user)
end
- # -- Save revised way
-
- if way.tags!=attributes or way.nds!=nodes or !way.visible?
- new_way = Way.new
- new_way.tags = attributes
- new_way.nds = pointlist
- new_way.changeset_id = changeset
- new_way.version = version
- way.update_from(new_way, user)
- end
end # transaction
[0, originalway, way.id, renumberednodes, way.version, nodeversions]
rescue OSM::APIChangesetAlreadyClosedError => ex
- return [-1, "The changeset #{ex.changeset.id} was closed at #{ex.changeset.closed_at}"]
+ return [-2, "Sorry, your changeset #{ex.changeset.id} has been 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, "Sorry, someone else has changed this way since you started editing - please reload the area"]
+ return [-3, "Sorry, someone else has changed this way since you started editing. Please click the 'Edit' tab to reload the area."]
rescue OSM::APITooManyWayNodesError => ex
- return [-1, "You have tried to upload a way with #{ex.provided}, however only #{ex.max} are allowed."]
+ return [-1, "You have tried to upload a really long way with #{ex.provided} points: only #{ex.max} are allowed."]
rescue OSM::APIAlreadyDeletedError => ex
- return [-1, "The object has already been deleted"]
+ return [-1, "The point has already been deleted."]
rescue OSM::APIError => ex
# Some error that we don't specifically catch
- return [-2, "Something really bad happened :-()"]
+ return [-2, "Something really bad happened :-(."]
end
# Save POI to the database.
# 2. new node id,
# 3. version.
- def putpoi(usertoken, changeset, version, id, lon, lat, tags, visible) #:doc:
+ def putpoi(usertoken, changeset_id, version, id, lon, lat, tags, visible) #:doc:
user = getuser(usertoken)
if !user then return -1,"You are not logged in, so the point could not be saved." end
if !visible then
unless node.ways.empty? then return -1,"The point has since become part of a way, so you cannot save it as a POI." end
- deleteitemrelations(id, 'node')
end
end
# We always need a new node, based on the data that has been sent to us
new_node = Node.new
- new_node.changeset_id = changeset
+ new_node.changeset_id = changeset_id
new_node.version = version
new_node.lat = lat
new_node.lon = lon
# 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"]
+ return [-3, "Sorry, someone else has changed this point since you started editing. Please click the 'Edit' tab to reload the area."]
rescue OSM::APIAlreadyDeletedError => ex
- return [-1, "The object has already been deleted"]
+ return [-1, "The point has already been deleted"]
rescue OSM::APIError => ex
# Some error that we don't specifically catch
return [-2, "Something really bad happened :-()"]
#
# Returns array of id, long, lat, hash of tags, version.
- def getpoi(id,version) #:doc:
- if version>0 then
- n = OldNode.find(id, :conditions=>['version=?',version])
- else
+ def getpoi(id,timestamp) #:doc:
+ if timestamp == '' then
n = Node.find(id)
+ else
+ n = OldNode.find(id, :conditions=>['timestamp=?',DateTime.strptime(timestamp, "%d %b %Y, %H:%M:%S")])
end
if n
# Need a transaction so that if one item fails to delete, the whole delete fails.
Way.transaction do
- # FIXME: would be good not to make two history entries when removing
- # two nodes from the same relation
+ # delete the way
old_way = Way.find(way_id)
- #old_way.unshared_node_ids.each do |n|
- # deleteitemrelations(n, 'node')
- #end
- #deleteitemrelations(way_id, 'way')
+ delete_way = Way.new
+ delete_way.version = way_version
+ delete_way.changeset_id = changeset_id
+ old_way.delete_with_history!(delete_way, user)
-
- #way.delete_with_relations_and_nodes_and_history(changeset_id.to_i)
old_way.unshared_node_ids.each do |node_id|
# delete the node
node = Node.find(node_id)
delete_node = Node.new
- delete_node.version = node_id_version[node_id]
+ 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)
end
- # delete the way
- delete_way = Way.new
- delete_way.version = way_version
- old_way.delete_with_history!(delete_way, user)
end # transaction
[0, way_id]
rescue OSM::APIChangesetAlreadyClosedError => 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"]
+ return [-3, "Sorry, someone else has changed this way since you started editing. Please click the 'Edit' tab to reload the area."]
rescue OSM::APIAlreadyDeletedError => ex
- return [-1, "The object has already been deleted"]
+ return [-1, "The way has already been deleted."]
rescue OSM::APIError => ex
# Some error that we don't specifically catch
- return [-2, "Something really bad happened :-()"]
+ return [-2, "Something really bad happened :-( ."]
end
# ====================================================================
# Support functions
- # delete a way and its nodes that aren't part of other ways
- # this functionality used to be in the model, however it is specific to amf
- # controller
- #def delete_unshared_nodes(changeset_id, way_id)
-
# Remove a node or way from all relations
- # FIXME needs version, changeset, and user
- # Fixme make sure this doesn't depend on anything and delete this, as potlatch
- # itself should remove the relations first
- def deleteitemrelations(objid, type, version) #:doc:
+ # 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, objid],
:include => :relation).collect { |rm| rm.relation }.uniq
relations.each do |rel|
rel.members.delete_if { |x| x[0] == type and x[1] == objid }
- # FIXME need to create the new relation
new_rel = Relation.new
- new_rel.version = version
- new_rel.members = members
- new_rel.changeset = changeset
- rel.delete_with_history(new_rel, user)
+ 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
- # Break out node tags into a hash
- # (should become obsolete as of API 0.6)
-
- def tagstring_to_hash(a) #:doc:
- tags={}
- Tags.split(a) do |k, v|
- tags[k]=v
- end
- tags
- end
-
# Authenticate token
# (can also be of form user:pass)
# When we are writing to the api, we need the actual user model,
end
return user
end
-
- def getuserid(token)
- user = getuser(token)
- return user ? user.id : nil;
- end
-
- # Compare two floating-point numbers to within 0.0000001
-
- def fpcomp(a,b) #:doc:
- return ((a/0.0000001).round==(b/0.0000001).round)
- end
# Send AMF response
projects / rails.git / blobdiff