X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/8100be1e8db3017fe42c7785c391d73e0aff7992..945ff7911ca51dc250ffaba71f62821b5c0c0a95:/app/controllers/amf_controller.rb diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb index 18ecb1323..9cd685748 100644 --- a/app/controllers/amf_controller.rb +++ b/app/controllers/amf_controller.rb @@ -1,217 +1,250 @@ -# amf_controller is a semi-standalone API for Flash clients, particularly -# Potlatch. All interaction between Potlatch (as a .SWF application) and the -# OSM database takes place using this controller. Messages are +# amf_controller is a semi-standalone API for Flash clients, particularly +# Potlatch. All interaction between Potlatch (as a .SWF application) and the +# OSM database takes place using this controller. Messages are # encoded in the Actionscript Message Format (AMF). # # Helper functions are in /lib/potlatch.rb # -# Author:: editions Systeme D / Richard Fairhurst 2004-2008 -# Licence:: public domain. +# Author:: editions Systeme D / Richard Fairhurst 2004-2008 +# Licence:: public domain. # # == General structure # # Apart from the amf_read and amf_write methods (which distribute the requests -# from the AMF message), each method generally takes arguments in the order -# they were sent by the Potlatch SWF. Do not assume typing has been preserved. +# from the AMF message), each method generally takes arguments in the order +# they were sent by the Potlatch SWF. Do not assume typing has been preserved. # Methods all return an array to the SWF. # # == API 0.6 # # Note that this requires a patched version of composite_primary_keys 1.1.0 -# (see http://groups.google.com/group/compositekeys/t/a00e7562b677e193) +# (see http://groups.google.com/group/compositekeys/t/a00e7562b677e193) # if you are to run with POTLATCH_USE_SQL=false . -# +# # == Debugging -# +# # Any method that returns a status code (0 for ok) can also send: -# return(-1,"message") <-- just puts up a dialogue -# return(-2,"message") <-- also asks the user to e-mail me +# return(-1,"message") <-- just puts up a dialogue +# return(-2,"message") <-- also asks the user to e-mail me # return(-3,["type",v],id) <-- version conflict # return(-4,"type",id) <-- object not found # -5 indicates the method wasn't called (due to a previous error) -# +# # 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' - include Potlatch - # 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] + 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. - # ** FIXME: refactor to reduce duplication of code across read/write - - def amf_read - if request.post? - req=StringIO.new(request.raw_post+0.chr)# Get POST data as request - # (cf http://www.ruby-forum.com/topic/122163) - req.read(2) # Skip version indicator and client ID - results={} # Results of each body - # Parse request + def amf_read + self.status = :ok + self.content_type = Mime::AMF + self.response_body = Dispatcher.new(request.raw_post) do |message, *args| + 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) + end - headers=AMF.getint(req) # Read number of headers + result + end + end - headers.times do # Read each header - name=AMF.getstring(req) # | - req.getc # | skip boolean - value=AMF.getvalue(req) # | - header["name"]=value # | - end + def amf_write + renumberednodes = {} # Shared across repeated putways + renumberedways = {} # Shared across repeated putways + err = false # Abort batch on error - bodies=AMF.getint(req) # Read number of bodies - bodies.times do # Read each body - message=AMF.getstring(req) # | get message name - 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}(#{args.join(',')}):#{index}") + self.status = :ok + self.content_type = Mime::AMF + self.response_body = Dispatcher.new(request.raw_post) do |message, *args| + logger.info("Executing AMF #{message}") + if err + result = [-5, nil] + else 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 "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 end - logger.info("Encoding AMF results") - sendresponse(results) - else - render :nothing => true, :status => :method_not_allowed + + result end end - def amf_write - if request.post? - req=StringIO.new(request.raw_post+0.chr) - req.read(2) - results={} - renumberednodes={} # Shared across repeated putways - renumberedways={} # Shared across repeated putways - - headers=AMF.getint(req) # Read number of headers - headers.times do # Read each header - name=AMF.getstring(req) # | - req.getc # | skip boolean - value=AMF.getvalue(req) # | - header["name"]=value # | - end + private - bodies=AMF.getint(req) # Read number of bodies - bodies.times do # Read each body - message=AMF.getstring(req) # | get message name - 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) - err=false # Abort batch on error - - logger.info("Executing AMF #{message}:#{index}") - if err - results[index]=[-5,nil] - else - case message - when 'putway'; r=putway(renumberednodes,*args) - renumberednodes=r[4] - 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 + def amf_handle_error(call, rootobj, rootid) + yield + rescue OSM::APIAlreadyDeletedError => ex + return [-4, ex.object, ex.object_id] + rescue OSM::APIVersionMismatchError => ex + return [-3, [rootobj, rootid], [ex.type.downcase, ex.id, ex.latest]] + 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}"] + rescue OSM::APIError => ex + return [-1, ex.to_s] + rescue StandardError => ex + return [-2, "An unusual error happened (in #{call}). The server said: #{ex}"] + end + + def amf_handle_error_with_timeout(call, rootobj, rootid) + amf_handle_error(call, rootobj, rootid) do + OSM::Timer.timeout(API_TIMEOUT, OSM::APITimeoutError) do + yield end - logger.info("Encoding AMF results") - sendresponse(results) - else - render :nothing => true, :status => :method_not_allowed end end - private - # 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 + amf_handle_error("'startchangeset'", nil, nil) do + user = getuser(usertoken) + 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 + 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 + + # close previous changeset and add comment + if closeid + cs = Changeset.find(closeid.to_i) + 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 + # in case closecomment has chars not allowed in xml + cs.tags = strip_non_xml_chars cs.tags + cs.save_with_tags! + end + end + + # open a new changeset + if opennew != 0 + cs = Changeset.new + cs.tags = cstags + cs.user_id = user.id + unless closecomment.empty? + cs.tags["comment"] = closecomment + # in case closecomment has chars not allowed in xml + cs.tags = strip_non_xml_chars cs.tags + 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 - - # open a new changeset - if opennew!=0 - cs = Changeset.new - cs.tags = cstags - 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.getutc - cs.closed_at = cs.created_at + Changeset::IDLE_TIMEOUT - cs.save_with_tags! - return [0,'',cs.id] - else - return [0,'',nil] - end end # Return presets (default tags, localisation etc.): # uses POTLATCH_PRESETS global, set up in OSM::Potlatch. - def getpresets(lang) #:doc: - lang.gsub!(/[^\w\-]/,'') + def getpresets(usertoken, lang) #:doc: + user = getuser(usertoken) + + langs = if user && !user.languages.empty? + Locale.list(user.languages) + else + Locale.list(http_accept_language.user_preferred_languages) + end + + lang = getlocales.preferred(langs) + (real_lang, localised) = getlocalized(lang.to_s) + + # Tell Potlatch what language it's using + localised["__potlatch_locale"] = real_lang - 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 + # Get help from i18n but delete it so we won't pass it around + # twice for nothing + help = localised["help_html"] + localised.delete("help_html") - begin - help = File.read("#{RAILS_ROOT}/config/potlatch/localised/#{lang}/help.html") - rescue - help = File.read("#{RAILS_ROOT}/config/potlatch/localised/en/help.html") + # Populate icon names + POTLATCH_PRESETS[10].each do |id| + POTLATCH_PRESETS[11][id] = localised["preset_icon_#{id}"] + localised.delete("preset_icon_#{id}") + end + + POTLATCH_PRESETS + [localised, help] + end + + def getlocalized(lang) + # What we end up actually using. Reported in Potlatch's created_by=* string + loaded_lang = "en" + + # Load English defaults + en = YAML.load(File.open("#{Rails.root}/config/potlatch/locales/en.yml"))["en"] + + if lang == "en" + return [loaded_lang, en] + else + # Use English as a fallback + begin + other = YAML.load(File.open("#{Rails.root}/config/potlatch/locales/#{lang}.yml"))[lang] + loaded_lang = lang + rescue + other = en + end + + # We have to return a flat list and some of the keys won't be + # translated (probably) + return [loaded_lang, en.merge(other)] end - return POTLATCH_PRESETS+[localised,help] 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. + # in a given bounding box. Nodes are returned in full; ways and relations + # are IDs only. # - # return is of the form: + # return is of the form: # [success_code, success_message, # [[way_id, way_version], ...], # [[node_id, lat, lon, [tags, ...], node_version], ...], @@ -221,266 +254,270 @@ 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 - - [0, '', ways, points, relations] + amf_handle_error_with_timeout("'whichways'", nil, nil) 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 + bbox = BoundingBox.new(xmin, ymin, xmax, ymax) + bbox.check_boundaries + bbox.check_size + + if POTLATCH_USE_SQL + ways = sql_find_ways_in_area(bbox) + points = sql_find_pois_in_area(bbox) + relations = sql_find_relations_in_area_and_ways(bbox, ways.collect { |x| x[0] }) + else + # find the way ids in an area + nodes_in_area = Node.bbox(bbox).visible.includes(:ways) + ways = nodes_in_area.inject([]) do |sum, node| + visible_ways = node.ways.select(&:visible?) + sum + visible_ways.collect { |w| [w.id, w.version] } + end.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.nodes(nodes_in_area.collect(&:id)).visible + + Relation.ways(ways.collect { |w| w[0] }).visible + relations = relations.collect { |relation| [relation.id, relation.version] }.uniq + end - 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}",[],[],[] ] + [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 - - # 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. The server said: #{err}",[]] + 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 + + # check boundary is sane and area within defined + # see /config/application.yml + bbox = BoundingBox.new(xmin, ymin, xmax, ymax) + bbox.check_boundaries + bbox.check_size + + 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] 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 - - [0,'',way_ids] 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. + # 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: - if POTLATCH_USE_SQL then + 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) version = sql_get_way_version(wayid) + uid = sql_get_way_user(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 # 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.where(:id => wayid).first # check case where way has been deleted or doesn't exist - return [-4, 'way', wayid, [], {}, nil] if way.nil? or !way.visible + return [-4, "way", wayid] if way.nil? || !way.visible - points = way.nodes.collect do |node| - nodetags=node.tags - nodetags.delete('created_by') - [node.lon, node.lat, node.id, nodetags, node.version] + points = way.nodes.preload(:node_tags).collect do |node| + nodetags = node.tags + nodetags.delete("created_by") + [node.lon, node.lat, node.id, nodetags, node.version] + end + tags = way.tags + version = way.version + uid = way.changeset.user.id end - tags = way.tags - version = way.version - end - [0, '', wayid, points, tags, version] + [0, "", wayid, points, tags, version, uid] + end end - + # Get an old version of a way, and all constituent nodes. # - # For undelete (version<0), always uses the most recent version of each node, - # even if it's moved. For revert (version >= 0), uses the node in existence + # For undelete (version<0), always uses the most recent version of each node, + # even if it's moved. For revert (version >= 0), uses the node in existence # at the time, generating a new id if it's still visible and has been moved/ # retagged. # # Returns: - # 0. success code, - # 1. id, - # 2. array of points, - # 3. hash of tags, - # 4. version, + # 0. success code, + # 1. id, + # 2. array of points, + # 3. hash of tags, + # 4. version, # 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}", "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? + else + begin + # revert + 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? + 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 - 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] + 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)] + end end end - + # 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; + # 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 + # sort and collapse list (to within 2 seconds); trim all dates before the # start date of the way. def getway_history(wayid) #:doc: - - begin - # 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 + revdates = [] + revusers = {} + Way.find(wayid).old_ways.unredacted.collect do |a| + revdates.push(a.timestamp) + 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) + revusers[o.timestamp.to_i] = change_user(o) unless revusers.key?(o.timestamp.to_i) end end - waycreated=revdates[0] - revdates.uniq! - revdates.sort! - revdates.reverse! - - # Remove any dates (from nodes) before first revision date of way - revdates.delete_if { |d| d0 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]) + def findgpx(searchterm, usertoken) + amf_handle_error_with_timeout("'findgpx'", nil, nil) do + user = getuser(usertoken) + + 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) + query = if searchterm.to_i > 0 + query.where(:id => searchterm.to_i) + else + query.where("MATCH(name) AGAINST (?)", searchterm).limit(21) + end + gpxs = query.collect do |gpx| + [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 - [0,'',gpxs] + [0, "", gpxs] + end end # Get a relation with all tags and members. # Returns: - # 0. relation id, - # 1. hash of tags, - # 2. list of members, - # 3. version. - + # 0. success code? + # 1. object type? + # 2. relation id, + # 3. hash of tags, + # 4. list of members, + # 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}", "relation", relid) do + rel = Relation.where(:id => relid).first - return [-4, 'relation', relid, {}, [], nil] if rel.nil? or !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 # Find relations with specified name/id. # Returns array of relations, each in same form as getrelation. - + def findrelations(searchterm) rels = [] - if searchterm.to_i>0 then - rel = Relation.find(searchterm.to_i) - if rel and rel.visible then + if searchterm.to_i > 0 + rel = Relation.where(:id => searchterm.to_i).first + if rel && rel.visible rels.push([rel.id, rel.tags, rel.members, rel.version]) end else - RelationTag.find(:all, :limit => 11, :conditions => ["match(v) against (?)", 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 + RelationTag.where("v like ?", "%#{searchterm}%").limit(11).each do |t| + if t.relation.visible + rels.push([t.relation.id, t.relation.tags, t.relation.members, t.relation.version]) + end + end + end rels end @@ -492,76 +529,72 @@ 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' - end - if mid - typedmembers << [m[0], mid, m[2]] + amf_handle_error("'putrelation' #{relid}", "relation", relid) do + user = getuser(usertoken) + + 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 + visible = (visible.to_i != 0) + + new_relation = nil + relation = nil + Relation.transaction do + # create a new relation, or find the existing one + 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 + + # 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].delete("\000-\037\ufffe\uffff", "^\011\012\015")] + 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 # 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 (added by amf_controller) # 1. current user token (for authentication) @@ -572,182 +605,181 @@ class AmfController < ApplicationController # 6. hash of way tags # 7. array of nodes to change (each one is [lon,lat,id,version,tags]), # 8. hash of nodes to delete (id->version). - # + # # 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 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: - - # -- 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 -logger.info("received #{pointlist} for #{originalway}") - pointlist.collect! {|a| a.to_i } -logger.info("converted to #{pointlist}") - - 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 + amf_handle_error("'putway' #{originalway}", "way", originalway) do + # -- Initialise + + user = getuser(usertoken) + 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? + + return -2, "Server error - way is only #{pointlist.length} points long." if pointlist.length < 2 + + 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 + pointlist.collect!(&: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 + + 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.lat = lat + node.lon = lon + node.tags = a[4] + + # fixup node tags in a way as well + 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.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 - -logger.info("renumberednodes is #{renumberednodes.inspect}") - pointlist.collect! {|a| - renumberednodes[a] ? renumberednodes[a]:a - } # renumber nodes -logger.info("saving with #{pointlist}") - 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) + # -- Save revised way + + pointlist.collect! do |a| + renumberednodes[a] ? renumberednodes[a] : a + end # 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 || way.nds != pointlist || !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 + # 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. # Refuses save if the node has since become part of a way. # Returns array with: # 0. 0 (success), - # 1. original node id (unchanged), - # 2. new node id, - # 3. version. + # 1. success message, + # 2. original node id (unchanged), + # 3. new node id, + # 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}", "node", id) do + user = getuser(usertoken) + 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? + + 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 + visible = (visible.to_i == 1) + node = nil + new_node = nil + Node.transaction do + if id > 0 + begin + node = Node.find(id) + rescue ActiveRecord::RecordNotFound + return [-4, "node", id] + 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 - 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 + end # transaction - 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] + 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 @@ -755,17 +787,22 @@ logger.info("saving with #{pointlist}") # # 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 + def getpoi(id, timestamp) #:doc: + amf_handle_error("'getpoi' #{id}", "node", id) do + id = id.to_i + 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] - else - return [-4, 'node', id, nil, nil, {}, nil] + if n + return [0, "", id, n.lon, n.lat, n.tags, v] + else + return [-4, "node", id] + end end end @@ -775,184 +812,190 @@ logger.info("saving with #{pointlist}") # * the changeset id # * the id of the way to change # * the version of the way that was downloaded - # * a hash of the id and versions of all the nodes that are in the way, if any + # * a hash of the id and versions of all the nodes that are in the way, if any # of the nodes have been changed by someone else then, there is a problem! # 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 - - 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 + amf_handle_error("'deleteway' #{way_id}", "way", way_id) do + user = getuser(usertoken) + 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 = {} + 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 + # 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 - # ==================================================================== # Support functions # Authenticate token # (can also be of form user:pass) - # When we are writing to the api, we need the actual user model, + # When we are writing to the api, we need the actual user model, # not just the id, hence this abstraction def getuser(token) #:doc: - if (token =~ /^(.+)\:(.+)$/) then - user = User.authenticate(:username => $1, :password => $2) + if token =~ /^(.+)\:(.+)$/ + User.authenticate(:username => $1, :password => $2) else - user = User.authenticate(:token => token) + User.authenticate(:token => token) end - return user - end - - # Send AMF response - - def sendresponse(results) - a,b=results.length.divmod(256) - render :content_type => "application/x-amf", :text => proc { |response, output| - # ** move amf writing loop into here - - # basically we read the messages in first (into an array of some sort), - # then iterate through that array within here, and do all the AMF writing - output.write 0.chr+0.chr+0.chr+0.chr+a.chr+b.chr - results.each do |k,v| - output.write(v) - end - } end + def getlocales + @locales ||= Locale.list(Dir.glob("#{Rails.root}/config/potlatch/locales/*").collect { |f| File.basename(f, ".yml") }) + end + + ## + # check that all key-value pairs are valid UTF-8. + def tags_ok(tags) + tags.each do |k, v| + return false unless UTF8.valid? k + return false unless UTF8.valid? v + end + true + end + + ## + # strip characters which are invalid in XML documents from the strings + # in the +tags+ hash. + def strip_non_xml_chars(tags) + new_tags = {} + unless tags.nil? + tags.each do |k, v| + new_k = k.delete "\000-\037\ufffe\uffff", "^\011\012\015" + new_v = v.delete "\000-\037\ufffe\uffff", "^\011\012\015" + new_tags[new_k] = new_v + end + end + new_tags + end # ==================================================================== # Alternative SQL queries for getway/whichways - def sql_find_ways_in_area(xmin,ymin,xmax,ymax) - sql=<<-EOF + def sql_find_ways_in_area(bbox) + sql = <<-EOF SELECT DISTINCT current_ways.id AS wayid,current_ways.version AS version FROM current_way_nodes INNER JOIN current_nodes ON current_nodes.id=current_way_nodes.node_id INNER JOIN current_ways ON current_ways.id =current_way_nodes.id - WHERE current_nodes.visible=TRUE - AND current_ways.visible=TRUE - AND #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")} + WHERE current_nodes.visible=TRUE + AND current_ways.visible=TRUE + AND #{OSM.sql_for_area(bbox, "current_nodes.")} EOF - return ActiveRecord::Base.connection.select_all(sql).collect { |a| [a['wayid'].to_i,a['version'].to_i] } - end - - def sql_find_pois_in_area(xmin,ymin,xmax,ymax) - pois=[] - sql=<<-EOF - SELECT current_nodes.id,current_nodes.latitude*0.0000001 AS lat,current_nodes.longitude*0.0000001 AS lon,current_nodes.version - FROM current_nodes - LEFT OUTER JOIN current_way_nodes cwn ON cwn.node_id=current_nodes.id - WHERE current_nodes.visible=TRUE - AND cwn.id IS NULL - AND #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")} + ActiveRecord::Base.connection.select_all(sql).collect { |a| [a["wayid"].to_i, a["version"].to_i] } + end + + def sql_find_pois_in_area(bbox) + pois = [] + sql = <<-EOF + SELECT current_nodes.id,current_nodes.latitude*0.0000001 AS lat,current_nodes.longitude*0.0000001 AS lon,current_nodes.version + FROM current_nodes + LEFT OUTER JOIN current_way_nodes cwn ON cwn.node_id=current_nodes.id + WHERE current_nodes.visible=TRUE + AND cwn.id IS NULL + AND #{OSM.sql_for_area(bbox, "current_nodes.")} EOF ActiveRecord::Base.connection.select_all(sql).each do |row| - poitags={} + 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 - - def sql_find_relations_in_area_and_ways(xmin,ymin,xmax,ymax,way_ids) + + def sql_find_relations_in_area_and_ways(bbox, way_ids) # ** It would be more Potlatchy to get relations for nodes within ways # during 'getway', not here - sql=<<-EOF - SELECT DISTINCT cr.id AS relid,cr.version AS version + sql = <<-EOF + SELECT DISTINCT cr.id AS relid,cr.version AS version FROM current_relations cr - INNER JOIN current_relation_members crm ON crm.id=cr.id - INNER JOIN current_nodes cn ON crm.member_id=cn.id AND crm.member_type='Node' - WHERE #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "cn.")} + INNER JOIN current_relation_members crm ON crm.id=cr.id + INNER JOIN current_nodes cn ON crm.member_id=cn.id AND crm.member_type='Node' + WHERE #{OSM.sql_for_area(bbox, "cn.")} EOF unless way_ids.empty? - sql+=<<-EOF + sql += <<-EOF UNION SELECT DISTINCT cr.id AS relid,cr.version AS version FROM current_relations cr INNER JOIN current_relation_members crm ON crm.id=cr.id - WHERE crm.member_type='Way' + WHERE crm.member_type='Way' 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) - points=[] - sql=<<-EOF - SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,current_nodes.id,current_nodes.version - FROM current_way_nodes,current_nodes - WHERE current_way_nodes.id=#{wayid.to_i} - AND current_way_nodes.node_id=current_nodes.id - AND current_nodes.visible=TRUE + points = [] + sql = <<-EOF + SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,current_nodes.id,current_nodes.version + FROM current_way_nodes,current_nodes + WHERE current_way_nodes.id=#{wayid.to_i} + AND current_way_nodes.node_id=current_nodes.id + AND current_nodes.visible=TRUE ORDER BY sequence_id - EOF + EOF ActiveRecord::Base.connection.select_all(sql).each do |row| - nodetags={} + 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={} + 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}") + ActiveRecord::Base.connection.select_one("SELECT version FROM current_ways WHERE id=#{wayid.to_i}")["version"] end -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"] + end +end