# 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'
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))
# 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
# 3. hash of tags,
# 4. version,
# 5. is this the current, visible version? (boolean)
- #
- # *** FIXME:
- # Should work by timestamp, not version (so that we can recover versions when
- # a node has been changed, but not the enclosing way)
- # Use strptime (http://www.ruby-doc.org/core/classes/DateTime.html) to
- # to turn string back into timestamp.
- 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)
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]
#
- # *** FIXME:
- # Should look for changes in constituent nodes as well,
- # and return timestamps.
- # Heuristic: Find all nodes that have ever been part of the way;
+ # 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 dateÊof the way.
+ # start date of the way.
def getway_history(wayid) #:doc:
- # Find list of revision dates for way and all constituent nodes
- revdates=[]
- Way.find(wayid).old_ways.collect do |a|
- revdates.push(a.timestamp)
- a.nds.each do |n|
- Node.find(n).old_nodes.collect do |o|
- revdates.push(o.timestamp)
- end
- end
- end
- waycreated=revdates[0]
- revdates.uniq!
- revdates.sort!
-
- # 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) }
-
-RAILS_DEFAULT_LOGGER.info("** revision dates: #{revdates.inspect}")
-RAILS_DEFAULT_LOGGER.info("** range: #{revdates[-1]-revdates[0]}")
-
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.
end
end
- # -- Delete any unique nodes no longer used
-
- uniques=uniques-pointlist
- uniques.each do |n|
- node = Node.find(n)
- new_node = Node.new
- new_node.changeset_id = changeset
- new_node.version = version
- node.delete_with_history!(new_node, user)
- end
-
# -- Save revised way
pointlist.collect! {|a|
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)
+ new_node = Node.new
+ new_node.changeset_id = changeset
+ new_node.version = node.version
+ node.delete_with_history!(new_node, user)
+ end
+
end # transaction
[0, originalway, way.id, renumberednodes, way.version, nodeversions]
#
# 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
+ # delete the way
+ old_way = Way.find(way_id)
+ delete_way = Way.new
+ delete_way.version = way_version
+ delete_way.changeset_id = changeset_id
+ old_way.delete_with_history!(delete_way, user)
+
# 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')
-
#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
+ delete_node.version = node_id_version[node_id.to_s]
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
# ====================================================================
# 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
projects / rails.git / blobdiff