From: Tom Hughes Date: Fri, 18 Jul 2008 11:02:10 +0000 (+0000) Subject: Merge potlatch_010 branch to head. X-Git-Tag: live~7826 X-Git-Url: https://git.openstreetmap.org/rails.git/commitdiff_plain/db66d47e42bc267670ef00b3b2611b4b53cb40e9 Merge potlatch_010 branch to head. --- db66d47e42bc267670ef00b3b2611b4b53cb40e9 diff --cc app/controllers/amf_controller.rb index 11ddc3f7c,ce3dc91d5..ef55ced62 --- a/app/controllers/amf_controller.rb +++ b/app/controllers/amf_controller.rb @@@ -88,225 -99,132 +88,187 @@@ class AmfController < ApplicationContro private - # Return presets (default tags, localisation etc.): - # uses POTLATCH_PRESETS global, set up in OSM::Potlatch. - - def getpresets() #:doc: - return POTLATCH_PRESETS + # Return presets (default tags and crap) to potlatch. + # Uses POTLATCH_PRESETS global, set up in OSM::Potlatch + def getpresets #:doc: + return POTLATCH_PRESETS 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. + # ----- whichways + # Find all the way ids and nodes (including tags and projected lat/lng) which aren't part of those ways in an are + # + # The argument is an array containing the following, in order: + # 0. minimum longitude + # 1. minimum latitude + # 2. maximum longitude + # 3. maximum latitude + # 4. baselong, 5. basey, 6. masterscale as above + def whichways(args) #:doc: + xmin = args[0].to_f-0.01 + ymin = args[1].to_f-0.01 + xmax = args[2].to_f+0.01 + ymax = args[3].to_f+0.01 + baselong = args[4] + basey = args[5] + masterscale = args[6] - RAILS_DEFAULT_LOGGER.info(" Message: whichways, bbox=#{xmin},#{ymin},#{xmax},#{ymax}") - - # find the way ids in an area - nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => "current_nodes.visible = 1", :include => :ways) - way_ids = nodes_in_area.collect { |node| node.way_ids }.flatten.uniq + def whichways(xmin, ymin, xmax, ymax) #:doc: + xmin -= 0.01; ymin -= 0.01 + xmax += 0.01; ymax += 0.01 + + if POTLATCH_USE_SQL then + way_ids = sql_find_way_ids_in_area(xmin, ymin, xmax, ymax) + points = sql_find_pois_in_area(xmin, ymin, xmax, ymax) + relation_ids = sql_find_relations_in_area_and_ways(xmin, ymin, xmax, ymax, way_ids) + else + # find the way ids in an area + nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => "current_nodes.visible = 1", :include => :ways) + way_ids = nodes_in_area.collect { |node| node.way_ids }.flatten.uniq - # 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_as_hash] } + # 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_potlatch(baselong,masterscale), n.lat_potlatch(basey,masterscale), n.tags_as_hash] } - # find the relations used by those nodes and ways - relations = nodes_in_area.collect { |node| node.containing_relations.visible }.flatten + - way_ids.collect { |id| Way.find(id).containing_relations.visible }.flatten - relation_ids = relations.collect { |relation| relation.id }.uniq + # find the relations used by those nodes and ways + relations = Relation.find_for_nodes(nodes_in_area.collect { |n| n.id }, :conditions => "visible = 1") + + Relation.find_for_ways(way_ids, :conditions => "visible = 1") + relation_ids = relations.collect { |relation| relation.id }.uniq + end - [way_ids,points,relation_ids] + [way_ids, points, relation_ids] end - # Find deleted ways in current bounding box (similar to whichways, but ways - # with a deleted node only - not POIs or relations). + # ----- whichways_deleted + # return array of deleted ways in current bounding box + # in: as whichways + # does: finds all deleted ways with a deleted node in bounding box + # out: [0] array of way ids + def whichways_deleted(args) #:doc: + xmin = args[0].to_f-0.01 + ymin = args[1].to_f-0.01 + xmax = args[2].to_f+0.01 + ymax = args[3].to_f+0.01 + baselong = args[4] + basey = args[5] + masterscale = args[6] - sql=<<-EOF - SELECT DISTINCT current_ways.id - FROM current_nodes,way_nodes,current_ways - WHERE #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")} - AND way_nodes.node_id=current_nodes.id - AND way_nodes.id=current_ways.id - AND current_nodes.visible=0 - AND current_ways.visible=0 - EOF - waylist = ActiveRecord::Base.connection.select_all(sql) - ways = waylist.collect {|a| a['id'].to_i } - [ways] + def whichways_deleted(xmin, ymin, xmax, ymax) #:doc: + xmin -= 0.01; ymin -= 0.01 + xmax += 0.01; ymax += 0.01 + + nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => "current_nodes.visible = 0 AND current_ways.visible = 0", :include => :ways_via_history) + way_ids = nodes_in_area.collect { |node| node.ways_via_history_ids }.flatten.uniq + + [way_ids] end - # Get a way including nodes and tags. - # Returns 0 (success), a Potlatch-style array of points, and a hash of tags. + # ----- getway + # Get a way with all of it's nodes and tags + # The input is an array with the following components, in order: + # 0. wayid - the ID of the way to get + # 1. baselong - origin of SWF map (longitude) + # 2. basey - origin of SWF map (latitude) + # 3. masterscale - SWF map scale + # + # The output is an array which contains all the nodes (with projected + # latitude and longitude) and tags for a way (and all the nodes tags). + # It also has the way's unprojected (WGS84) bbox. + # + # FIXME: The server really shouldn't be figuring out a ways bounding box and doing projection for potlatch + # FIXME: the argument splitting should be done in the 'talk' method, not here + def getway(args) #:doc: + wayid,baselong,basey,masterscale = args + wayid = wayid.to_i - RAILS_DEFAULT_LOGGER.info(" Message: getway, id=#{wayid}") - - # 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 - way = Way.find(wayid) - - long_array = [] - lat_array = [] - points = [] - - way.nodes.each do |node| - projected_longitude = node.lon_potlatch(baselong,masterscale) # do projection for potlatch - projected_latitude = node.lat_potlatch(basey,masterscale) - id = node.id - tags_hash = node.tags_as_hash - - points << [projected_longitude, projected_latitude, id, nil, tags_hash] - long_array << projected_longitude - lat_array << projected_latitude - end - - [wayid,points,way.tags,long_array.min,long_array.max,lat_array.min,lat_array.max] + def getway(wayid) #:doc: + if POTLATCH_USE_SQL then + points = sql_get_nodes_in_way(wayid) + tags = sql_get_tags_in_way(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 + way = Way.find(wayid) + points = way.nodes.collect do |node| + [node.lon, node.lat, node.id, nil, node.tags_as_hash] + end + tags = way.tags + end + + [wayid, points, tags] 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=1+), uses the node in existence - # at the time, generating a new id if it's still visible and has been moved/ - # retagged. + # ----- getway_old + # returns old version of way + # in: [0] way id, + # [1] way version to get (or -1 for "last deleted version") + # [2] baselong, [3] basey, [4] masterscale + # does: gets old version of way and all constituent nodes + # for undelete, always uses the most recent version of each node + # (even if it's moved) + # for revert, uses the historic version of each node, but if that node is + # still visible and has been changed since, generates a new node id + # out: [0] 0 (code for success), [1] SWF object name, + # [2] array of points (as getway _except_ [3] is node.visible?, 0 or 1), + # [4] xmin, [5] xmax, [6] ymin, [7] ymax (unprojected bbox), + # [8] way version + def getway_old(args) #:doc: + RAILS_DEFAULT_LOGGER.info(" Message: getway_old (server is #{SERVER_URL})") + # if SERVER_URL=="www.openstreetmap.org" then return -1,"Revert is not currently enabled on the OpenStreetMap server." end - wayid,version,baselong,basey,masterscale=args - wayid = wayid.to_i - version = version.to_i - xmin = ymin = 999999 - xmax = ymax = -999999 - points=[] - if version<0 - historic=false - version=getlastversion(wayid,version) - else - historic=true - end - readwayquery_old(wayid,version,historic).each { |row| - points<<[long2coord(row['longitude'].to_f,baselong,masterscale),lat2coord(row['latitude'].to_f,basey,masterscale),row['id'].to_i,row['visible'].to_i,tag2array(row['tags'].to_s)] - xmin=[xmin,row['longitude'].to_f].min - xmax=[xmax,row['longitude'].to_f].max - ymin=[ymin,row['latitude' ].to_f].min - ymax=[ymax,row['latitude' ].to_f].max - } + def getway_old(id, version) #:doc: + if version < 0 + old_way = OldWay.find(:first, :conditions => ['visible = 1 AND id = ?', id], :order => 'version DESC') + points = old_way.get_nodes_undelete + else + old_way = OldWay.find(:first, :conditions => ['id = ? AND version = ?', id, version]) + points = old_way.get_nodes_revert + end - # get tags from this version - attributes={} - attrlist=ActiveRecord::Base.connection.select_all "SELECT k,v FROM way_tags WHERE id=#{wayid} AND version=#{version}" - attrlist.each {|a| attributes[a['k'].gsub(':','|')]=a['v'] } - attributes['history']="Retrieved from v"+version.to_s + old_way.tags['history'] = "Retrieved from v#{old_way.version}" - [0,wayid,points,attributes,xmin,xmax,ymin,ymax,version] + [0, id, points, old_way.tags, old_way.version] end - - # Find history of a way. Returns an array of previous versions. - # ----- getway_history - # find history of a way - # in: [0] way id - # does: finds history of a way - # out: [0] array of previous versions (where each is - # [0] version, [1] db timestamp (string), - # [2] visible 0 or 1, - # [3] username or 'anonymous' (string)) - def getway_history(args) #:doc: - wayid=args[0] - history=[] - sql=<<-EOF - SELECT version,timestamp,visible,display_name,data_public - FROM ways,users - WHERE ways.id=#{wayid} - AND ways.user_id=users.id - AND ways.visible=1 - ORDER BY version DESC - EOF - histlist=ActiveRecord::Base.connection.select_all(sql) - histlist.each { |row| - if row['data_public'].to_i==1 then user=row['display_name'] else user='anonymous' end - history<<[row['version'],row['timestamp'],row['visible'],user] - } - [history] - end + def getway_history(wayid) #:doc: + history = Way.find(wayid).old_ways.collect do |old_way| + user = old_way.user.data_public? ? old_way.user.display_name : 'anonymous' + [old_way.version, old_way.timestamp.strftime("%d %b %Y, %H:%M"), old_way.visible ? 1 : 0, user] + end - # ----- getrelation - # Get a relation with all of it's tags, and member IDs - # The input is an array with the following components, in order: - # 0. relid - the ID of the relation to get - # - # The output is an array which contains: - # [0] relation id, [1] hash of tags, [2] list of members - def getrelation(args) #:doc: - relid = args[0] - relid = relid.to_i - - RAILS_DEFAULT_LOGGER.info(" Message: getrel, id=#{relid}") + [history] + end - rel = Relation.find(relid) + # Get a relation with all tags and members. + # Returns: + # 0. relation id, + # 1. hash of tags, + # 2. list of members. + + def getrelation(relid) #:doc: + rel = Relation.find(relid) - [relid,rel.tags,rel.members]#nodes,ways] + [relid, rel.tags, rel.members] end - # Save a relation. - # Returns - # 0. 0 (success), - # 1. original relation id (unchanged), - # 2. new relation id. + # ----- getrelation + # save relation to the database + # in: [0] user token (string), + # [1] original relation id (may be negative), + # [2] hash of tags, [3] list of members, + # [4] visible + # out: [0] 0 (success), [1] original relation id (unchanged), + # [2] new relation id + def putrelation(args, renumberednodes, renumberedways) #:doc: + usertoken,relid,tags,members,visible=args + uid=getuserid(usertoken) + if !uid then return -1,"You are not logged in, so the point could not be saved." end - relid = relid.to_i + def putrelation(renumberednodes, renumberedways, usertoken, relid, tags, members, visible) #:doc: + uid = getuserid(usertoken) + if !uid then return -1,"You are not logged in, so the relation could not be saved." end + + relid = relid.to_i visible = visible.to_i # create a new relation, or find the existing one @@@ -336,491 -254,309 +298,368 @@@ rel.visible = visible rel.user_id = uid - # check it then save it - # BUG: the following is commented out because it always fails on my - # install. I think it's a Rails bug. + # check it then save it + # BUG: the following is commented out because it always fails on my + # install. I think it's a Rails bug. - #if !rel.preconditions_ok? - # return -2, "Relation preconditions failed" - #else - rel.save_with_history! - #end + #if !rel.preconditions_ok? + # return -2, "Relation preconditions failed" + #else + rel.save_with_history! + #end - [0,relid,rel.id] + [0, relid, rel.id] end - # Save a way to the database, including all nodes. Any nodes in the previous - # version and no longer used are deleted. - # - # Returns: - # 0. '0' (code for success), - # 1. original way id (unchanged), - # 2. new way id, - # 3. hash of renumbered nodes (old id=>new id) + # ----- putway + # saves a way to the database + # in: [0] user token (string), + # [1] original way id (may be negative), + # [2] array of points (as getway/getway_old), + # [3] hash of way tags, + # [4] original way version (0 if not a reverted/undeleted way), + # [5] baselong, [6] basey, [7] masterscale + # does: saves way to the database + # all constituent nodes are created/updated as necessary + # (or deleted if they were in the old version and are otherwise unused) + # out: [0] 0 (code for success), [1] original way id (unchanged), + # [2] new way id, [3] hash of renumbered nodes (old id=>new id), + # [4] xmin, [5] xmax, [6] ymin, [7] ymax (unprojected bbox) + def putway(args,renumberednodes) #:doc: + RAILS_DEFAULT_LOGGER.info(" putway started") + usertoken,originalway,points,attributes,oldversion,baselong,basey,masterscale=args + uid=getuserid(usertoken) + if !uid then return -1,"You are not logged in, so the way could not be saved." end - RAILS_DEFAULT_LOGGER.info(" putway authenticated happily") - db_uqn='unin'+(rand*100).to_i.to_s+uid.to_s+originalway.to_i.abs.to_s+Time.new.to_i.to_s # temp uniquenodes table name, typically 51 chars - db_now='@now'+(rand*100).to_i.to_s+uid.to_s+originalway.to_i.abs.to_s+Time.new.to_i.to_s # 'now' variable name, typically 51 chars - ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()") - originalway=originalway.to_i - oldversion=oldversion.to_i + def putway(renumberednodes, usertoken, originalway, points, attributes) #:doc: - RAILS_DEFAULT_LOGGER.info(" Message: putway, id=#{originalway}") + # -- Initialise and carry out checks + + uid = getuserid(usertoken) + if !uid then return -1,"You are not logged in, so the way could not be saved." end - # -- Check for null IDs, short ways or lats=90 + originalway = originalway.to_i - points.each do |a| - if a[2]==0 or a[2].nil? then return -2,"Server error - node with id 0 found in way #{originalway}." end - if coord2lat(a[1],masterscale,basey)==90 then return -2,"Server error - node with lat -90 found in way #{originalway}." end - end - - if points.length<2 then return -2,"Server error - way is only #{points.length} points long." end + points.each do |a| + if a[2] == 0 or a[2].nil? then return -2,"Server error - node with id 0 found in way #{originalway}." end + if a[1] == 90 then return -2,"Server error - node with lat -90 found in way #{originalway}." end + end + + if points.length < 2 then return -2,"Server error - way is only #{points.length} points long." end - # -- Get unique nodes + # -- 3. read original way into memory - xc={}; yc={}; tagc={}; vc={} - if originalway>0 - way=originalway - if oldversion==0 then r=readwayquery(way,false) - else r=readwayquery_old(way,oldversion,true) end - r.each { |row| - id=row['id'].to_i - if (id>0) then - xc[id]=row['longitude'].to_f - yc[id]=row['latitude' ].to_f - tagc[id]=row['tags'] - vc[id]=row['visible'].to_i - end - } - ActiveRecord::Base.connection.update("UPDATE current_ways SET timestamp=#{db_now},user_id=#{uid},visible=1 WHERE id=#{way}") - else - way=ActiveRecord::Base.connection.insert("INSERT INTO current_ways (user_id,timestamp,visible) VALUES (#{uid},#{db_now},1)") - end + if originalway < 0 + way = Way.new + uniques = [] + else + way = Way.find(originalway) + uniques = way.unshared_node_ids + end - # -- Compare nodes and save changes to any that have changed + # -- 4. get version by inserting new row into ways - version=ActiveRecord::Base.connection.insert("INSERT INTO ways (id,user_id,timestamp,visible) VALUES (#{way},#{uid},#{db_now},1)") - - # -- 5. compare nodes and update xmin,xmax,ymin,ymax - - xmin=ymin= 999999 - xmax=ymax=-999999 - insertsql='' - nodelist=[] + nodes = [] + + points.each do |n| + lon = n[0].to_f + lat = n[1].to_f + id = n[2].to_i + savenode = false + + if renumberednodes[id] + id = renumberednodes[id] + elsif id < 0 + # Create new node + node = Node.new + savenode = true + else + node = Node.find(id) + if !fpcomp(lat, node.lat) or !fpcomp(lon, node.lon) or + Tags.join(n[4]) != node.tags or !node.visible? + savenode = true + end + end + + if savenode + node.user_id = uid + node.lat = lat + node.lon = lon + node.tags = Tags.join(n[4]) + node.visible = true + node.save_with_history! + + if id != node.id + renumberednodes[id] = node.id + id = node.id + end + end + + uniques = uniques - [id] + nodes.push(id) + end + + # -- Delete any unique nodes + + uniques.each do |n| + deleteitemrelations(n, 'node') + + node = Node.find(n) + node.user_id = uid + node.visible = false + node.save_with_history! + end - # -- Save revised way + points.each_index do |i| + xs=coord2long(points[i][0],masterscale,baselong) + ys=coord2lat(points[i][1],masterscale,basey) + xmin=[xs,xmin].min; xmax=[xs,xmax].max + ymin=[ys,ymin].min; ymax=[ys,ymax].max + node=points[i][2].to_i + tagstr=array2tag(points[i][4]) + tagsql="'"+sqlescape(tagstr)+"'" + lat=(ys * 10000000).round + long=(xs * 10000000).round + tile=QuadTile.tile_for_point(ys, xs) - # compare node - if node<0 - # new node - create - if renumberednodes[node.to_s].nil? - newnode=ActiveRecord::Base.connection.insert("INSERT INTO current_nodes ( latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES ( #{lat},#{long},#{db_now},#{uid},1,#{tagsql},#{tile})") - ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{newnode},#{lat},#{long},#{db_now},#{uid},1,#{tagsql},#{tile})") - points[i][2]=newnode - nodelist.push(newnode) - renumberednodes[node.to_s]=newnode.to_s - else - points[i][2]=renumberednodes[node.to_s].to_i - end - - elsif xc.has_key?(node) - nodelist.push(node) - # old node from original way - update - if ((xs/0.0000001).round!=(xc[node]/0.0000001).round or (ys/0.0000001).round!=(yc[node]/0.0000001).round or tagstr!=tagc[node] or vc[node]==0) - ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{node},#{lat},#{long},#{db_now},#{uid},1,#{tagsql},#{tile})") - ActiveRecord::Base.connection.update("UPDATE current_nodes SET latitude=#{lat},longitude=#{long},timestamp=#{db_now},user_id=#{uid},tags=#{tagsql},visible=1,tile=#{tile} WHERE id=#{node}") - end - else - # old node, created in another way and now added to this way - end - end - - # -- 6a. delete any nodes not in modified way - - createuniquenodes(way,db_uqn,nodelist) # nodes which appear in this way but no other - - sql=<<-EOF - INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tile) - SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0,cn.tile - FROM current_nodes AS cn,#{db_uqn} - WHERE cn.id=node_id - EOF - ActiveRecord::Base.connection.insert(sql) - - sql=<<-EOF - UPDATE current_nodes AS cn, #{db_uqn} - SET cn.timestamp=#{db_now},cn.visible=0,cn.user_id=#{uid} - WHERE cn.id=node_id - EOF - ActiveRecord::Base.connection.update(sql) - - deleteuniquenoderelations(db_uqn,uid,db_now) - ActiveRecord::Base.connection.execute("DROP TEMPORARY TABLE #{db_uqn}") - - # 6b. insert new version of route into way_nodes - - insertsql ='' - currentsql='' - sequence =1 - points.each do |p| - if insertsql !='' then insertsql +=',' end - if currentsql!='' then currentsql+=',' end - insertsql +="(#{way},#{p[2]},#{sequence},#{version})" - currentsql+="(#{way},#{p[2]},#{sequence})" - sequence +=1 - end - - ActiveRecord::Base.connection.execute("DELETE FROM current_way_nodes WHERE id=#{way}"); - ActiveRecord::Base.connection.insert( "INSERT INTO way_nodes (id,node_id,sequence_id,version) VALUES #{insertsql}"); - ActiveRecord::Base.connection.insert( "INSERT INTO current_way_nodes (id,node_id,sequence_id ) VALUES #{currentsql}"); + way.tags = attributes + way.nds = nodes + way.user_id = uid + way.visible = true + way.save_with_history! - # -- 7. insert new way tags - - insertsql ='' - currentsql='' - attributes.each do |k,v| - if v=='' or v.nil? then next end - if v[0,6]=='(type ' then next end - if insertsql !='' then insertsql +=',' end - if currentsql!='' then currentsql+=',' end - insertsql +="(#{way},'"+sqlescape(k.gsub('|',':'))+"','"+sqlescape(v)+"',#{version})" - currentsql+="(#{way},'"+sqlescape(k.gsub('|',':'))+"','"+sqlescape(v)+"')" - end - - ActiveRecord::Base.connection.execute("DELETE FROM current_way_tags WHERE id=#{way}") - if (insertsql !='') then ActiveRecord::Base.connection.insert("INSERT INTO way_tags (id,k,v,version) VALUES #{insertsql}" ) end - if (currentsql!='') then ActiveRecord::Base.connection.insert("INSERT INTO current_way_tags (id,k,v) VALUES #{currentsql}") end - - [0,originalway,way,renumberednodes,xmin,xmax,ymin,ymax] + [0, originalway, way.id, renumberednodes] end - # Save POI to the database. - # Refuses save if the node has since become part of a way. - # Returns: - # 0. 0 (success), - # 1. original node id (unchanged), - # 2. new node id. + # ----- putpoi + # save POI to the database + # in: [0] user token (string), + # [1] original node id (may be negative), + # [2] projected longitude, [3] projected latitude, + # [4] hash of tags, [5] visible (0 to delete, 1 otherwise), + # [6] baselong, [7] basey, [8] masterscale + # does: saves POI node to the database + # refuses save if the node has since become part of a way + # out: [0] 0 (success), [1] original node id (unchanged), + # [2] new node id + def putpoi(args) #:doc: + usertoken,id,x,y,tags,visible,baselong,basey,masterscale=args + uid=getuserid(usertoken) + if !uid then return -1,"You are not logged in, so the point could not be saved." end - db_now='@now'+(rand*100).to_i.to_s+uid.to_s+id.to_i.abs.to_s+Time.new.to_i.to_s # 'now' variable name, typically 51 chars - ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()") + def putpoi(usertoken, id, lon, lat, tags, visible) #:doc: + uid = getuserid(usertoken) + if !uid then return -1,"You are not logged in, so the point could not be saved." end - id=id.to_i - visible=visible.to_i - if visible==0 then - # if deleting, check node hasn't become part of a way - inway=ActiveRecord::Base.connection.select_one("SELECT cw.id FROM current_ways cw,current_way_nodes cwn WHERE cw.id=cwn.id AND cw.visible=1 AND cwn.node_id=#{id} LIMIT 1") - unless inway.nil? then return -1,"The point has since become part of a way, so you cannot save it as a POI." end - deleteitemrelations(id,'node',uid,db_now) - end + id = id.to_i + visible = (visible.to_i == 1) - x=coord2long(x.to_f,masterscale,baselong) - y=coord2lat(y.to_f,masterscale,basey) - tagsql="'"+sqlescape(array2tag(tags))+"'" - lat=(y * 10000000).round - long=(x * 10000000).round - tile=QuadTile.tile_for_point(y, x) - - if (id>0) then - ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{id},#{lat},#{long},#{db_now},#{uid},#{visible},#{tagsql},#{tile})"); - ActiveRecord::Base.connection.update("UPDATE current_nodes SET latitude=#{lat},longitude=#{long},timestamp=#{db_now},user_id=#{uid},visible=#{visible},tags=#{tagsql},tile=#{tile} WHERE id=#{id}"); - newid=id - else - newid=ActiveRecord::Base.connection.insert("INSERT INTO current_nodes (latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{lat},#{long},#{db_now},#{uid},#{visible},#{tagsql},#{tile})"); - ActiveRecord::Base.connection.update("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{newid},#{lat},#{long},#{db_now},#{uid},#{visible},#{tagsql},#{tile})"); - end - [0,id,newid] + 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." end + deleteitemrelations(id, 'node') + end + else + node = Node.new + end + + node.user_id = uid + node.lat = lat + node.lon = lon + node.tags = Tags.join(tags) + node.visible = visible + node.save_with_history! + + [0, id, node.id] end - # Read POI from database - # (only called on revert: POIs are usually read by whichways). - # - # Returns array of id, long, lat, hash of tags. + # ----- getpoi + # read POI from database + # (only called on revert: POIs are usually read by whichways) + # in: [0] node id, [1] baselong, [2] basey, [3] masterscale + # does: reads POI + # out: [0] id (unchanged), [1] projected long, [2] projected lat, + # [3] hash of tags + def getpoi(args) #:doc: + id,baselong,basey,masterscale = args + + n = Node.find(id.to_i) + if n + return [n.id, n.lon_potlatch(baselong,masterscale), n.lat_potlatch(basey,masterscale), n.tags_as_hash] + else + return [nil,nil,nil,''] + end + end - # ----- deleteway - # delete way and constituent nodes from database - # in: [0] user token (string), [1] way id - # does: deletes way from db and any constituent nodes not used elsewhere - # also removes ways/nodes from any relations they're in - # out: [0] 0 (success), [1] way id (unchanged) - - def deleteway(args) #:doc: - usertoken,way_id=args - RAILS_DEFAULT_LOGGER.info(" Message: deleteway, id=#{way_id}") - uid=getuserid(usertoken) - if !uid then return -1,"You are not logged in, so the way could not be deleted." end - - # FIXME - # the next bit removes the way from any relations - # the delete_with_relations_and_nodes_and_history method should do this, - # but at present it just throws a 'precondition failed' - way=way.to_i - db_now='@now'+(rand*100).to_i.to_s+uid.to_s+way.abs.to_s+Time.new.to_i.to_s - db_uqn='unin'+(rand*100).to_i.to_s+uid.to_s+way.abs.to_s+Time.new.to_i.to_s - ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()") - createuniquenodes(way,db_uqn,[]) - deleteuniquenoderelations(db_uqn,uid,db_now) - deleteitemrelations(way_id,'way',uid,db_now) - ActiveRecord::Base.connection.execute("DROP TEMPORARY TABLE #{db_uqn}") - # end of FIXME - - # now delete the way - user = User.find(uid) - way = Way.find(way_id) - way.delete_with_relations_and_nodes_and_history(user) - return [0,way_id] - end - - - def readwayquery(id,insistonvisible) #:doc: - sql=<<-EOF - SELECT latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,current_nodes.id,tags,visible - FROM current_way_nodes,current_nodes - WHERE current_way_nodes.id=#{id} - AND current_way_nodes.node_id=current_nodes.id - EOF - if insistonvisible then sql+=" AND current_nodes.visible=1 " end - sql+=" ORDER BY sequence_id" - ActiveRecord::Base.connection.select_all(sql) - end + def getpoi(id) #:doc: + n = Node.find(id) - # Get the latest version id of a way - def getlastversion(id,version) #:doc: - old_way = OldWay.find(:first, :conditions => ['visible=1 AND id=?' , id], :order => 'version DESC') - old_way.version + if n + return [n.id, n.lon, n.lat, n.tags_as_hash] + else + return [nil, nil, nil, ''] + end end - def readwayquery_old(id,version,historic) #:doc: - # Node handling on undelete (historic=false): - # - always use the node specified, even if it's moved - # Delete way and all constituent nodes. Also removes from any relations. - # Returns 0 (success), unchanged way id. - # Node handling on revert (historic=true): - # - if it's a visible node, use a new node id (i.e. not mucking up the old one) - # which means the SWF needs to allocate new ids - # - if it's an invisible node, we can reuse the old node id + def deleteway(usertoken, way_id) #:doc: + uid = getuserid(usertoken) + if !uid then return -1,"You are not logged in, so the way could not be deleted." end - # ----- get node list from specified version of way, - # and the _current_ lat/long/tags of each node + # FIXME: would be good not to make two history entries when removing + # two nodes from the same relation + user = User.find(uid) + way = Way.find(way_id) + way.unshared_node_ids.each do |n| + deleteitemrelations(n, 'node') + end - row=ActiveRecord::Base.connection.select_one("SELECT timestamp FROM ways WHERE version=#{version} AND id=#{id}") - waytime=row['timestamp'] + way.delete_with_relations_and_nodes_and_history(user) - sql=<<-EOF - SELECT cn.id,visible,latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,tags - FROM way_nodes wn,current_nodes cn - WHERE wn.version=#{version} - AND wn.id=#{id} - AND wn.node_id=cn.id - ORDER BY sequence_id - EOF - rows=ActiveRecord::Base.connection.select_all(sql) - - # ----- if historic (full revert), get the old version of each node - # - if it's in another way now, generate a new id - # - if it's not in another way, use the old ID - - if historic then - rows.each_index do |i| - sql=<<-EOF - SELECT latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,tags,cwn.id AS currentway - FROM nodes n - LEFT JOIN current_way_nodes cwn - ON cwn.node_id=n.id AND cwn.id!=#{id} - WHERE n.id=#{rows[i]['id']} - AND n.timestamp<="#{waytime}" - ORDER BY n.timestamp DESC - LIMIT 1 - EOF - row=ActiveRecord::Base.connection.select_one(sql) - nx=row['longitude'].to_f - ny=row['latitude'].to_f - if (!row.nil?) - if (row['currentway'] && (nx!=rows[i]['longitude'].to_f or ny!=rows[i]['latitude'].to_f or row['tags']!=rows[i]['tags'])) then rows[i]['id']=-1 end - end - rows[i]['longitude']=nx - rows[i]['latitude' ]=ny - rows[i]['tags' ]=row['tags'] - end - end - rows + [0, way_id] end + def createuniquenodes(way,uqn_name,nodelist) #:doc: + # Find nodes which appear in this way but no others + sql=<<-EOF + CREATE TEMPORARY TABLE #{uqn_name} + SELECT a.node_id + FROM (SELECT DISTINCT node_id FROM current_way_nodes + WHERE id=#{way}) a + LEFT JOIN current_way_nodes b + ON b.node_id=a.node_id + AND b.id!=#{way} + WHERE b.node_id IS NULL + EOF + unless nodelist.empty? then + sql+="AND a.node_id NOT IN ("+nodelist.join(',')+")" + end + ActiveRecord::Base.connection.execute(sql) + end - # ==================================================================== - # Support functions - # Remove a node or way from all relations + + # ==================================================================== + # Relations handling + # deleteuniquenoderelations(uqn_name,uid,db_now) + # deleteitemrelations(way|node,'way'|'node',uid,db_now) + + def deleteuniquenoderelations(uqn_name,uid,db_now) #:doc: + sql=<<-EOF + SELECT node_id,cr.id FROM #{uqn_name},current_relation_members crm,current_relations cr + WHERE crm.member_id=node_id + AND crm.member_type='node' + AND crm.id=cr.id + AND cr.visible=1 + EOF - relnodes=ActiveRecord::Base.connection.select_all(sql) - relnodes.each do |a| - removefromrelation(a['node_id'],'node',a['id'],uid,db_now) - end + def deleteitemrelations(objid, type) #:doc: + relations = RelationMember.find(:all, + :conditions => ['member_type = ? and member_id = ?', type, objid], + :include => :relation).collect { |rm| rm.relation }.uniq + + relations.each do |rel| + rel.members.delete_if { |x| x[0] == type and x[1] == objid } + rel.save_with_history! + end end - # Break out node tags into a hash - # (should become obsolete as of API 0.6) + def deleteitemrelations(objid,type,uid,db_now) #:doc: + sql=<<-EOF + SELECT cr.id FROM current_relation_members crm,current_relations cr + WHERE crm.member_id=#{objid} + AND crm.member_type='#{type}' + AND crm.id=cr.id + AND cr.visible=1 + EOF + + relways=ActiveRecord::Base.connection.select_all(sql) + relways.each do |a| + removefromrelation(objid,type,a['id'],uid,db_now) + end + end - def tagstring_to_hash(a) #:doc: - tags={} - Tags.split(a) do |k, v| - tags[k]=v - end - tags + def removefromrelation(objid,type,relation,uid,db_now) #:doc: + rver=ActiveRecord::Base.connection.insert("INSERT INTO relations (id,user_id,timestamp,visible) VALUES (#{relation},#{uid},#{db_now},1)") + + tagsql=<<-EOF + INSERT INTO relation_tags (id,k,v,version) + SELECT id,k,v,#{rver} FROM current_relation_tags + WHERE id=#{relation} + EOF + ActiveRecord::Base.connection.insert(tagsql) + + membersql=<<-EOF + INSERT INTO relation_members (id,member_type,member_id,member_role,version) + SELECT id,member_type,member_id,member_role,#{rver} FROM current_relation_members + WHERE id=#{relation} + AND (member_id!=#{objid} OR member_type!='#{type}') + EOF + ActiveRecord::Base.connection.insert(membersql) + + ActiveRecord::Base.connection.update("UPDATE current_relations SET user_id=#{uid},timestamp=#{db_now} WHERE id=#{relation}") + ActiveRecord::Base.connection.execute("DELETE FROM current_relation_members WHERE id=#{relation} AND member_type='#{type}' AND member_id=#{objid}") end - # Authenticate token - # (could be removed if no-one uses the username+password form) + def sqlescape(a) #:doc: + a.gsub(/[\000-\037]/,"").gsub("'","''").gsub(92.chr) {92.chr+92.chr} + end - def getuserid(token) #:doc: - if (token =~ /^(.+)\+(.+)$/) then - user = User.authenticate(:username => $1, :password => $2) - else - user = User.authenticate(:token => token) - end + def tag2array(a) #:doc: + tags={} + Tags.split(a) do |k, v| + tags[k.gsub(':','|')]=v + end + tags + end - return user ? user.id : nil; + def array2tag(a) #:doc: + tags = [] + a.each do |k,v| + if v=='' then next end + if v[0,6]=='(type ' then next end + tags << [k.gsub('|',':'), v] + end + return Tags.join(tags) end - # Compare two floating-point numbers to within 0.0000001 + def getuserid(token) #:doc: + if (token =~ /^(.+)\+(.+)$/) then + user = User.authenticate(:username => $1, :password => $2) + else + user = User.authenticate(:token => token) + end - def fpcomp(a,b) #:doc: - return ((a/0.0000001).round==(b/0.0000001).round) + return user ? user.id : nil; end - # ==================================================================== - # Alternative SQL queries for getway/whichways - - def sql_find_way_ids_in_area(xmin,ymin,xmax,ymax) - sql=<<-EOF - SELECT DISTINCT current_way_nodes.id AS wayid - 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=1 - AND current_ways.visible=1 - AND #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")} - EOF - return ActiveRecord::Base.connection.select_all(sql).collect { |a| a['wayid'].to_i } + # Co-ordinate conversion + + def lat2coord(a,basey,masterscale) #:doc: + -(lat2y(a)-basey)*masterscale end - - def sql_find_pois_in_area(xmin,ymin,xmax,ymax) - sql=<<-EOF - SELECT current_nodes.id,current_nodes.latitude*0.0000001 AS lat,current_nodes.longitude*0.0000001 AS lon,current_nodes.tags - FROM current_nodes - LEFT OUTER JOIN current_way_nodes cwn ON cwn.node_id=current_nodes.id - WHERE current_nodes.visible=1 - AND cwn.id IS NULL - AND #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")} - EOF - return ActiveRecord::Base.connection.select_all(sql).collect { |n| [n['id'].to_i,n['lon'].to_f,n['lat'].to_f,tagstring_to_hash(n['tags'])] } + + def long2coord(a,baselong,masterscale) #:doc: + (a-baselong)*masterscale end - - def sql_find_relations_in_area_and_ways(xmin,ymin,xmax,ymax,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 - 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.")} - EOF - unless way_ids.empty? - sql+=<<-EOF - UNION - SELECT DISTINCT cr.id AS relid - FROM current_relations cr - INNER JOIN current_relation_members crm ON crm.id=cr.id - WHERE crm.member_type='way' - AND crm.member_id IN (#{way_ids.join(',')}) - EOF - end - return ActiveRecord::Base.connection.select_all(sql).collect { |a| a['relid'].to_i }.uniq + + def lat2y(a) #:doc: + 180/Math::PI * Math.log(Math.tan(Math::PI/4+a*(Math::PI/180)/2)) 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,tags - 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=1 - ORDER BY sequence_id - EOF - ActiveRecord::Base.connection.select_all(sql).each do |row| - points << [row['lon'].to_f,row['lat'].to_f,row['id'].to_i,nil,tagstring_to_hash(row['tags'])] - end - points + + def coord2lat(a,masterscale,basey) #:doc: + y2lat(a/-masterscale+basey) end - - def sql_get_tags_in_way(wayid) - tags={} - ActiveRecord::Base.connection.select_all("SELECT k,v FROM current_way_tags WHERE id=#{wayid.to_i}").each do |row| - tags[row['k']]=row['v'] - end - tags + + def coord2long(a,masterscale,baselong) #:doc: + a/masterscale+baselong + end + + def y2lat(a) + 180/Math::PI * (2*Math.atan(Math.exp(a*Math::PI/180))-Math::PI/2) end end diff --cc app/models/node.rb index abfa44d67,cec755f47..cac611163 --- a/app/models/node.rb +++ b/app/models/node.rb @@@ -17,6 -17,9 +17,12 @@@ class Node < ActiveRecord::Bas has_many :way_nodes has_many :ways, :through => :way_nodes + has_many :old_way_nodes + has_many :ways_via_history, :class_name=> "Way", :through => :old_way_nodes, :source => :way + ++ has_many :old_way_nodes ++ has_many :ways_via_history, :class_name=> "Way", :through => :old_way_nodes, :source => :way ++ has_many :containing_relation_members, :class_name => "RelationMember", :as => :member has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation, :extend => ObjectFinder diff --cc app/models/way.rb index 64b11cf67,958944200..45789dabe --- a/app/models/way.rb +++ b/app/models/way.rb @@@ -235,17 -235,8 +235,10 @@@ class Way < ActiveRecord::Bas # delete a way and it's nodes that aren't part of other ways, with history def delete_with_relations_and_nodes_and_history(user) - - node_ids = self.nodes.collect {|node| node.id } - node_ids_not_to_delete = [] - way_nodes = WayNode.find(:all, :conditions => "node_id in (#{node_ids.join(',')}) and id != #{self.id}") - - node_ids_not_to_delete = way_nodes.collect {|way_node| way_node.node_id} - + node_ids_to_delete = node_ids - node_ids_not_to_delete + # delete the nodes not used by other ways - node_ids_to_delete.each do |node_id| + self.unshared_node_ids.each do |node_id| n = Node.find(node_id) n.user_id = user.id n.visible = false