X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/33e3d3d5765ea1f84e1c46cd338c7bab1a1b2ed8..901d77837b9c1a432c158f1ed5f9a90bf71b8588:/app/controllers/amf_controller.rb?ds=sidebyside diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb index 5bc5e2832..aee31295c 100644 --- a/app/controllers/amf_controller.rb +++ b/app/controllers/amf_controller.rb @@ -43,9 +43,7 @@ class AmfController < ApplicationController # Help methods for checking boundary sanity and area size include MapBoundary - session :off before_filter :check_api_writable - around_filter :api_call_timeout, :only => [:amf_read] # Main AMF handlers: process the raw AMF string (using AMF library) and # calls each action (private method) accordingly. @@ -78,17 +76,17 @@ class AmfController < ApplicationController logger.info("Executing AMF #{message}(#{args.join(',')}):#{index}") case message - when 'getpresets'; results[index]=AMF.putdata(index,getpresets(args[0])) - when 'whichways'; results[index]=AMF.putdata(index,whichways(*args)) - 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])) - 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)) - when 'findrelations'; results[index]=AMF.putdata(index,findrelations(*args)) - when 'getpoi'; results[index]=AMF.putdata(index,getpoi(*args)) + when 'getpresets'; results[index]=AMF.putdata(index,getpresets(args[0])) + when 'whichways'; results[index]=AMF.putdata(index,whichways(*args)) + 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])) + 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)) + when 'findrelations'; results[index]=AMF.putdata(index,findrelations(*args)) + when 'getpoi'; results[index]=AMF.putdata(index,getpoi(*args)) end end logger.info("Encoding AMF results") @@ -127,19 +125,18 @@ class AmfController < ApplicationController results[index]=[-5,nil] else case message - when 'putway'; orn=renumberednodes.dup - r=putway(renumberednodes,*args) - renumberednodes=r[4].dup - r[4].delete_if { |k,v| orn.has_key?(k) } - if r[2] != r[3] then renumberedways[r[2]] = r[3] end - results[index]=AMF.putdata(index,r) - when 'putrelation'; results[index]=AMF.putdata(index,putrelation(renumberednodes, renumberedways, *args)) - when 'deleteway'; results[index]=AMF.putdata(index,deleteway(*args)) - when 'putpoi'; r=putpoi(*args) - if r[2] != r[3] then renumberednodes[r[2]] = r[3] end - results[index]=AMF.putdata(index,r) - when 'startchangeset';results[index]=AMF.putdata(index,startchangeset(*args)) - end + when 'putway'; orn=renumberednodes.dup + r=putway(renumberednodes,*args) + r[4]=renumberednodes.reject { |k,v| orn.has_key?(k) } + if r[2] != r[3] then renumberedways[r[2]] = r[3] end + results[index]=AMF.putdata(index,r) + when 'putrelation'; results[index]=AMF.putdata(index,putrelation(renumberednodes, renumberedways, *args)) + when 'deleteway'; results[index]=AMF.putdata(index,deleteway(*args)) + when 'putpoi'; r=putpoi(*args) + if r[2] != r[3] then renumberednodes[r[2]] = r[3] end + results[index]=AMF.putdata(index,r) + when 'startchangeset'; results[index]=AMF.putdata(index,startchangeset(*args)) + end if results[index][0]==-3 then err=true end # If a conflict is detected, don't execute any more writes end end @@ -152,40 +149,64 @@ class AmfController < ApplicationController private + def amf_handle_error(call) + yield + rescue OSM::APIVersionMismatchError => ex + return [-3, [ex.type.downcase, ex.latest, ex.id]] + rescue OSM::APIUserChangesetMismatchError => ex + return [-2, ex.to_s] + rescue OSM::APIBadBoundingBox => ex + return [-2, "Sorry - I can't get the map for that area. The server said: #{ex.to_s}"] + rescue OSM::APIError => ex + return [-1, ex.to_s] + rescue Exception => ex + return [-2, "An unusual error happened (in #{call}). The server said: #{ex.to_s}"] + end + + def amf_handle_error_with_timeout(call) + amf_handle_error(call) do + Timeout::timeout(APP_CONFIG['api_timeout'], OSM::APITimeoutError) do + yield + end + end + end + # Start new changeset # Returns success_code,success_message,changeset id def startchangeset(usertoken, cstags, closeid, closecomment, opennew) - 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 - if closeid - cs = Changeset.find(closeid) - cs.set_closed_time_now - if cs.user_id!=user.id - return -2,"You cannot close that changeset because you're not the person who opened it.",nil - elsif closecomment.empty? - cs.save! - else - cs.tags['comment']=closecomment - cs.save_with_tags! + amf_handle_error("'startchangeset'") do + 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 + if closeid + cs = Changeset.find(closeid) + cs.set_closed_time_now + if cs.user_id!=user.id + raise OSM::APIUserChangesetMismatchError.new + elsif closecomment.empty? + cs.save! + else + cs.tags['comment']=closecomment + cs.save_with_tags! + end end - end - # open a new changeset - if opennew!=0 - cs = Changeset.new - cs.tags = cstags - cs.user_id = user.id - if !closecomment.empty? then cs.tags['comment']=closecomment end - # 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.getutc - cs.closed_at = cs.created_at + Changeset::IDLE_TIMEOUT - cs.save_with_tags! - return [0,'',cs.id] - else - return [0,'',nil] + # open a new changeset + if opennew!=0 + cs = Changeset.new + cs.tags = cstags + cs.user_id = user.id + if !closecomment.empty? then cs.tags['comment']=closecomment end + # 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.getutc + cs.closed_at = cs.created_at + Changeset::IDLE_TIMEOUT + cs.save_with_tags! + return [0,'',cs.id] + else + return [0,'',nil] + end end end @@ -193,13 +214,13 @@ class AmfController < ApplicationController # uses POTLATCH_PRESETS global, set up in OSM::Potlatch. def getpresets(lang) #:doc: - lang.gsub!(/[^\w\-]/,'') + lang.gsub!(/[^\w\-]/,'') begin localised = YAML::load(File.open("#{RAILS_ROOT}/config/potlatch/localised/#{lang}/localised.yaml")) rescue localised = "" # guess we'll just have to use the hardcoded English text instead - end + end begin help = File.read("#{RAILS_ROOT}/config/potlatch/localised/#{lang}/help.html") @@ -224,72 +245,68 @@ class AmfController < ApplicationController # 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: - 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 - check_boundaries(xmin, ymin, xmax, ymax) - - if POTLATCH_USE_SQL then - ways = sql_find_ways_in_area(xmin, ymin, xmax, ymax) - points = sql_find_pois_in_area(xmin, ymin, xmax, ymax) - relations = sql_find_relations_in_area_and_ways(xmin, ymin, xmax, ymax, ways.collect {|x| x[0]}) - 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.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, 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}) + - Relation.find_for_ways(ways.collect { |w| w[0] }, :conditions => {:visible => true}) - relations = relations.collect { |relation| [relation.id,relation.version] }.uniq - end + amf_handle_error_with_timeout("'whichways'") do + enlarge = [(xmax-xmin)/8,0.01].min + xmin -= enlarge; ymin -= enlarge + xmax += enlarge; ymax += enlarge - [0, '', ways, points, relations] + # check boundary is sane and area within defined + # see /config/application.yml + check_boundaries(xmin, ymin, xmax, ymax) - rescue OSM::APITimeoutError => err - [-1,"Sorry, I can't get the map for that area - try zooming in further. The server said: #{err}"] - rescue Exception => err - [-2,"Sorry - I can't get the map for that area. The server said: #{err}",[],[],[] ] + if POTLATCH_USE_SQL then + ways = sql_find_ways_in_area(xmin, ymin, xmax, ymax) + points = sql_find_pois_in_area(xmin, ymin, xmax, ymax) + relations = sql_find_relations_in_area_and_ways(xmin, ymin, xmax, ymax, ways.collect {|x| x[0]}) + 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.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, 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}) + + Relation.find_for_ways(ways.collect { |w| w[0] }, :conditions => {:visible => true}) + relations = relations.collect { |relation| [relation.id,relation.version] }.uniq + end + + [0, '', ways, points, relations] + end end # Find deleted ways in current bounding box (similar to whichways, but ways # with a deleted node only - not POIs or relations). def whichways_deleted(xmin, ymin, xmax, ymax) #:doc: - enlarge = [(xmax-xmin)/8,0.01].min - xmin -= enlarge; ymin -= enlarge - xmax += enlarge; ymax += enlarge + amf_handle_error_with_timeout("'whichways_deleted'") do + 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 - begin + # check boundary is sane and area within defined + # see /config/application.yml check_boundaries(xmin, ymin, xmax, ymax) - rescue Exception => err - return [-2,"Sorry - I can't get the map for that area. The server said: #{err}",[]] - end - nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => ["current_ways.visible = ?", false], :include => :ways_via_history) - way_ids = nodes_in_area.collect { |node| node.ways_via_history_ids }.flatten.uniq + nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => ["current_ways.visible = ?", false], :include => :ways_via_history) + way_ids = nodes_in_area.collect { |node| node.ways_via_history_ids }.flatten.uniq - [0,'',way_ids] + [0,'',way_ids] + end end # Get a way including nodes and tags. # Returns the way id, a Potlatch-style array of points, a hash of tags, and the version number. def getway(wayid) #:doc: - if POTLATCH_USE_SQL then + amf_handle_error_with_timeout("'getway' #{wayid}") do + 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) @@ -297,25 +314,22 @@ class AmfController < ApplicationController # 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 # way includes a node more than once - begin - way = Way.find(wayid, :include => { :nodes => :node_tags }) - rescue ActiveRecord::RecordNotFound - return [-4, 'way', wayid, [], {}, nil] - end + way = Way.find(:first, :conditions => { :id => wayid }, :include => { :nodes => :node_tags }) # check case where way has been deleted or doesn't exist return [-4, 'way', wayid, [], {}, nil] if way.nil? or !way.visible points = way.nodes.collect do |node| - nodetags=node.tags - nodetags.delete('created_by') - [node.lon, node.lat, node.id, nodetags, node.version] + nodetags=node.tags + nodetags.delete('created_by') + [node.lon, node.lat, node.id, nodetags, node.version] + end + tags = way.tags + version = way.version end - tags = way.tags - version = way.version - end - [0, '', wayid, points, tags, version] + [0, '', wayid, points, tags, version] + end end # Get an old version of a way, and all constituent nodes. @@ -334,33 +348,35 @@ class AmfController < ApplicationController # 5. is this the current, visible version? (boolean) 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 - begin - # revert - timestamp = DateTime.strptime(timestamp.to_s, "%d %b %Y, %H:%M:%S") - old_way = OldWay.find(:first, :conditions => ['id = ? AND timestamp <= ?', id, timestamp], :order => 'timestamp DESC') - unless old_way.nil? - points = old_way.get_nodes_revert(timestamp) - if !old_way.visible - return [-1, "Sorry, the way was deleted at that time - please revert to a previous version.", id, [], {}, nil, false] + amf_handle_error_with_timeout("'getway_old' #{id}, #{timestamp}") do + 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 + begin + # revert + timestamp = DateTime.strptime(timestamp.to_s, "%d %b %Y, %H:%M:%S") + old_way = OldWay.find(:first, :conditions => ['id = ? AND timestamp <= ?', id, timestamp], :order => 'timestamp DESC') + unless old_way.nil? + points = old_way.get_nodes_revert(timestamp) + if !old_way.visible + return [-1, "Sorry, the way was deleted at that time - please revert to a previous version.", id, [], {}, nil, false] + end end + rescue ArgumentError + # thrown by date parsing method. leave old_way as nil for + # the error handler below. end - rescue ArgumentError - # thrown by date parsing method. leave old_way as nil for - # the error handler below. end - end - if old_way.nil? - return [-1, "Sorry, the server could not find a way at that time.", id, [], {}, nil, false] - 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 and curway.visible)] + if old_way.nil? + return [-1, "Sorry, the server could not find a way at that time.", id, [], {}, nil, false] + 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 and curway.visible)] + end end end @@ -375,7 +391,6 @@ class AmfController < ApplicationController # start date of the way. def getway_history(wayid) #:doc: - begin # Find list of revision dates for way and all constituent nodes revdates=[] @@ -432,21 +447,23 @@ class AmfController < ApplicationController # Returns array listing GPXs, each one comprising id, name and description. def findgpx(searchterm, 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,user.id] ) - if gpx then - gpxs.push([gpx.id, gpx.name, gpx.description]) + amf_handle_error_with_timeout("'findgpx'") do + 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,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,user.id,searchterm] ).each do |gpx| + gpxs.push([gpx.id, gpx.name, gpx.description]) + end end - else - 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 - [0,'',gpxs] + [0,'',gpxs] + end end # Get a relation with all tags and members. @@ -459,14 +476,12 @@ class AmfController < ApplicationController # 5. version. def getrelation(relid) #:doc: - begin - rel = Relation.find(relid) - rescue ActiveRecord::RecordNotFound - return [-4, 'relation', relid, {}, [], nil] - end + amf_handle_error("'getrelation' #{relid}") do + rel = Relation.find(:first, :conditions => { :id => relid }) - return [-4, 'relation', relid, {}, [], nil] if rel.nil? or !rel.visible - [0, '', relid, rel.tags, rel.members, rel.version] + return [-4, 'relation', relid, {}, [], nil] if rel.nil? or !rel.visible + [0, '', relid, rel.tags, rel.members, rel.version] + end end # Find relations with specified name/id. @@ -481,11 +496,11 @@ class AmfController < ApplicationController end else RelationTag.find(:all, :limit => 11, :conditions => ["v like ?", "%#{searchterm}%"] ).each do |t| - if t.relation.visible then - rels.push([t.relation.id, t.relation.tags, t.relation.members, t.relation.version]) - end - end - end + if t.relation.visible then + rels.push([t.relation.id, t.relation.tags, t.relation.members, t.relation.version]) + end + end + end rels end @@ -497,71 +512,63 @@ class AmfController < ApplicationController # 3. version. 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 - visible = (visible.to_i != 0) - - new_relation = nil - relation = nil - Relation.transaction do - # create a new relation, or find the existing one - if relid > 0 - relation = Relation.find(relid) - end - # We always need a new node, based on the data that has been sent to us - new_relation = Relation.new - - # check the members are all positive, and correctly type - typedmembers = [] - 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' + amf_handle_error("'putrelation' #{relid}") do + 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 + visible = (visible.to_i != 0) + + new_relation = nil + relation = nil + Relation.transaction do + # create a new relation, or find the existing one + if relid > 0 + relation = Relation.find(relid) end - if mid - typedmembers << [m[0], mid, m[2]] + # We always need a new node, based on the data that has been sent to us + new_relation = Relation.new + + # check the members are all positive, and correctly type + typedmembers = [] + 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' + end + if mid + typedmembers << [m[0], mid, m[2]] + end end - end - - # assign new contents - new_relation.members = typedmembers - new_relation.tags = tags - new_relation.visible = visible - new_relation.changeset_id = changeset_id - new_relation.version = version + # assign new contents + new_relation.members = typedmembers + new_relation.tags = tags + new_relation.visible = visible + new_relation.changeset_id = changeset_id + new_relation.version = version + + if relid <= 0 + # We're creating the relation + new_relation.create_with_history(user) + elsif visible + # We're updating the relation + new_relation.id = relid + relation.update_from(new_relation, user) + else + # We're deleting the relation + new_relation.id = relid + relation.delete_with_history!(new_relation, user) + end + end # transaction + if relid <= 0 - # We're creating the relation - new_relation.create_with_history(user) - elsif visible - # We're updating the relation - new_relation.id = relid - relation.update_from(new_relation, user) + return [0, '', relid, new_relation.id, new_relation.version] else - # We're deleting the relation - new_relation.id = relid - relation.delete_with_history!(new_relation, user) + return [0, '', relid, relid, relation.version] end - end # transaction - - if relid <= 0 - return [0, '', relid, new_relation.id, new_relation.version] - else - return [0, '', relid, relid, relation.version] - end - rescue OSM::APIChangesetAlreadyClosedError => ex - return [-1, "The changeset #{ex.changeset.id} was closed at #{ex.changeset.closed_at}.", relid, relid, nil] - rescue OSM::APIVersionMismatchError => ex - a=ex.to_s.match(/(\d+) of (\w+) (\d+)$/) - return [-3, ['relation', a[1]], relid, relid, nil] - rescue OSM::APIAlreadyDeletedError => ex - return [-1, "The relation has already been deleted.", relid, relid, nil] - rescue OSM::APIError => ex - # Some error that we don't specifically catch - return [-2, "An unusual error happened (in 'putrelation' #{relid}). The server said: #{ex}", relid, relid, nil] + end end # Save a way to the database, including all nodes. Any nodes in the previous @@ -580,111 +587,101 @@ class AmfController < ApplicationController # # Returns: # 0. '0' (code for success), - # 1. original way id (unchanged), - # 2. new way id, - # 3. hash of renumbered nodes (old id=>new id), - # 4. way version, - # 5. hash of node versions (node=>version) + # 1. message, + # 2. original way id (unchanged), + # 3. new way id, + # 4. hash of renumbered nodes (old id=>new id), + # 5. way version, + # 6. hash of node versions (node=>version) def putway(renumberednodes, usertoken, changeset_id, wayversion, originalway, pointlist, attributes, nodes, deletednodes) #:doc: - - # -- Initialise + amf_handle_error("'putway' #{originalway}") do + # -- Initialise - user = getuser(usertoken) - if !user then return -1,"You are not logged in, so the way could not be saved." end - 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 - - # -- Update each changed node - - nodes.each do |a| - lon = a[0].to_f - lat = a[1].to_f - 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 - - node = Node.new - node.changeset_id = changeset_id - node.lat = lat - node.lon = lon - node.tags = a[4] - node.tags.delete('created_by') - node.version = version - if id <= 0 - # We're creating the node - node.create_with_history(user) - renumberednodes[id] = node.id - nodeversions[node.id] = node.version - else - # We're updating an existing node - previous=Node.find(id) - node.id=id - previous.update_from(node, user) - nodeversions[previous.id] = previous.version + user = getuser(usertoken) + if !user then return -1,"You are not logged in, so the way could not be saved." end + 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 + + # -- Update each changed node + + nodes.each do |a| + lon = a[0].to_f + lat = a[1].to_f + 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 + + node = Node.new + node.changeset_id = changeset_id + node.lat = lat + node.lon = lon + node.tags = a[4] + node.tags.delete('created_by') + node.version = version + if id <= 0 + # We're creating the node + node.create_with_history(user) + renumberednodes[id] = node.id + nodeversions[node.id] = node.version + else + # We're updating an existing node + previous=Node.find(id) + node.id=id + previous.update_from(node, user) + nodeversions[previous.id] = previous.version + end 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 - else - way = Way.find(originalway) - if way.tags!=attributes or way.nds!=pointlist or !way.visible? - new_way.id=originalway + # -- 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 + else + way = Way.find(originalway) + if way.tags!=attributes or way.nds!=pointlist or !way.visible? + new_way.id=originalway way.update_from(new_way, user) + end end - end - - # -- 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 - new_node.id = id.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 + # -- 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 + new_node.id = id.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 - end # transaction + end # transaction - [0, '', originalway, way.id, renumberednodes, way.version, nodeversions, deletednodes] - rescue OSM::APIChangesetAlreadyClosedError => ex - return [-1, "Sorry, your changeset #{ex.changeset.id} was closed (at #{ex.changeset.closed_at}).", originalway, originalway, renumberednodes, wayversion, nodeversions, deletednodes] - rescue OSM::APIVersionMismatchError => ex - a=ex.to_s.match(/(\d+) of (\w+) (\d+)$/) - return [-3, ['way', a[1], a[2].downcase, a[3]], originalway, originalway, renumberednodes, wayversion, nodeversions, deletednodes] - rescue OSM::APITooManyWayNodesError => ex - return [-1, "You have tried to upload a really long way with #{ex.provided} points: only #{ex.max} are allowed.", originalway, originalway, renumberednodes, wayversion, nodeversions, deletednodes] - rescue OSM::APIAlreadyDeletedError => ex - return [-1, "The point has already been deleted.", originalway, originalway, renumberednodes, wayversion, nodeversions, deletednodes] - rescue OSM::APIError => ex - # Some error that we don't specifically catch - return [-2, "An unusual error happened (in 'putway' #{originalway}). The server said: #{ex}", originalway, originalway, renumberednodes, wayversion, nodeversions, deletednodes] + [0, '', originalway, way.id, renumberednodes, way.version, nodeversions, deletednodes] + end end # Save POI to the database. @@ -697,59 +694,51 @@ class AmfController < ApplicationController # 4. version. 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 - - id = id.to_i - visible = (visible.to_i == 1) - node = nil - new_node = nil - Node.transaction do - if id > 0 then - node = Node.find(id) - - 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.",id,id,version end + amf_handle_error("'putpoi' #{id}") do + user = getuser(usertoken) + if !user then return -1,"You are not logged in, so the point could not be saved." end + + id = id.to_i + visible = (visible.to_i == 1) + node = nil + new_node = nil + Node.transaction do + if id > 0 then + node = Node.find(id) + + 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.",id,id,version end + end 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_id - new_node.version = version - new_node.lat = lat - new_node.lon = lon - new_node.tags = tags - if id <= 0 - # We're creating the node - new_node.create_with_history(user) - elsif visible - # We're updating the node - new_node.id=id - node.update_from(new_node, user) - else - # We're deleting the node - new_node.id=id - node.delete_with_history!(new_node, user) - end + # We always need a new node, based on the data that has been sent to us + new_node = Node.new - end # transaction + new_node.changeset_id = changeset_id + new_node.version = version + new_node.lat = lat + new_node.lon = lon + new_node.tags = tags + if id <= 0 + # We're creating the node + new_node.create_with_history(user) + elsif visible + # We're updating the node + new_node.id=id + node.update_from(new_node, user) + else + # We're deleting the node + new_node.id=id + node.delete_with_history!(new_node, user) + end - if id <= 0 - return [0, '', id, new_node.id, new_node.version] - 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}",id,id,version] - rescue OSM::APIVersionMismatchError => ex - a=ex.to_s.match(/(\d+) of (\w+) (\d+)$/) - return [-3, ['node', a[1]], id,id,version] - rescue OSM::APIAlreadyDeletedError => ex - return [-1, "The point has already been deleted",id,id,version] - rescue OSM::APIError => ex - # Some error that we don't specifically catch - return [-2, "An unusual error happened (in 'putpoi' #{id}). The server said: #{ex}",id,id,version] + end # transaction + + if id <= 0 + return [0, '', id, new_node.id, new_node.version] + else + return [0, '', id, node.id, node.version] + end + end end # Read POI from database @@ -758,16 +747,18 @@ class AmfController < ApplicationController # Returns array of id, long, lat, hash of tags, (current) version. def getpoi(id,timestamp) #:doc: - n = Node.find(id) - v = n.version - unless timestamp == '' - n = OldNode.find(id, :conditions=>['timestamp=?',DateTime.strptime(timestamp, "%d %b %Y, %H:%M:%S")]) - end + amf_handle_error("'getpoi' #{id}") do + n = Node.find(id) + v = n.version + unless timestamp == '' + n = OldNode.find(id, :conditions=>['timestamp=?',DateTime.strptime(timestamp, "%d %b %Y, %H:%M:%S")]) + end - if n - return [0, '', n.id, n.lon, n.lat, n.tags, v] - else - return [-4, 'node', id, nil, nil, {}, nil] + if n + return [0, '', n.id, n.lon, n.lat, n.tags, v] + else + return [-4, 'node', id, nil, nil, {}, nil] + end end end @@ -782,53 +773,45 @@ class AmfController < ApplicationController # Returns 0 (success), unchanged way id, new way version, new node versions. 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 + amf_handle_error("'deleteway' #{way_id}") do + user = getuser(usertoken) + unless user then return -1,"You are not logged in, so the way could not be deleted." end - way_id = way_id.to_i - nodeversions = {} - old_way=nil # returned, so scope it outside the transaction - # 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 - delete_way.id = way_id - old_way.delete_with_history!(delete_way, 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 - new_node.id = id.to_i - begin - node.delete_with_history!(new_node, user) - nodeversions[node.id]=node.version - 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 + way_id = way_id.to_i + nodeversions = {} + old_way=nil # returned, so scope it outside the transaction + # 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 + delete_way.id = way_id + old_way.delete_with_history!(delete_way, 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 + new_node.id = id.to_i + begin + node.delete_with_history!(new_node, user) + nodeversions[node.id]=node.version + 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 - end # transaction - [0, '', way_id, old_way.version, nodeversions] - rescue OSM::APIChangesetAlreadyClosedError => ex - return [-1, "The changeset #{ex.changeset.id} was closed at #{ex.changeset.closed_at}",way_id,way_version,nodeversions] - rescue OSM::APIVersionMismatchError => ex - a=ex.to_s.match(/(\d+) of (\w+) (\d+)$/) - return [-3, ['way', a[1]],way_id,way_version,nodeversions] - rescue OSM::APIAlreadyDeletedError => ex - return [-1, "The way has already been deleted.",way_id,way_version,nodeversions] - rescue OSM::APIError => ex - # Some error that we don't specifically catch - return [-2, "An unusual error happened (in 'deleteway' #{way_id}). The server said: #{ex}",way_id,way_version,nodeversions] + end # transaction + [0, '', way_id, old_way.version, nodeversions] + end end