#
# 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
#
# == 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)
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
+ # (cf http://www.ruby-forum.com/topic/122163)
+ req.read(2) # Skip version indicator and client ID
# Parse request
- 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 # |
+ 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
- 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}")
-
- case message
- when 'getpresets'; results[index]=AMF.putdata(index,getpresets(*args))
- 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))
+ bodies=AMF.getint(req) # Read number of bodies
+ render :content_type => "application/x-amf", :text => proc { |response, output|
+ a,b=bodies.divmod(256)
+ output.write 0.chr+0.chr+0.chr+0.chr+a.chr+b.chr
+ 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)
+ result=''
+ logger.info("Executing AMF #{message}(#{args.join(',')}):#{index}")
+
+ case message
+ when 'getpresets'; result=AMF.putdata(index,getpresets(*args))
+ when 'whichways'; result=AMF.putdata(index,whichways(*args))
+ when 'whichways_deleted'; result=AMF.putdata(index,whichways_deleted(*args))
+ when 'getway'; result=AMF.putdata(index,getway(args[0].to_i))
+ when 'getrelation'; result=AMF.putdata(index,getrelation(args[0].to_i))
+ when 'getway_old'; result=AMF.putdata(index,getway_old(args[0].to_i,args[1]))
+ when 'getway_history'; result=AMF.putdata(index,getway_history(args[0].to_i))
+ when 'getnode_history'; result=AMF.putdata(index,getnode_history(args[0].to_i))
+ when 'findgpx'; result=AMF.putdata(index,findgpx(*args))
+ when 'findrelations'; result=AMF.putdata(index,findrelations(*args))
+ when 'getpoi'; result=AMF.putdata(index,getpoi(*args))
+ end
+ output.write(result)
end
- end
- logger.info("Encoding AMF results")
- sendresponse(results)
+ }
else
render :nothing => true, :status => :method_not_allowed
end
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 # |
+ 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
- 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'; orn=renumberednodes.dup
- r=putway(renumberednodes,*args)
- r[4]=renumberednodes.reject { |k,v| orn.has_key?(k) }
- if r[2] != r[3] then renumberedways[r[2]] = r[3] end
- results[index]=AMF.putdata(index,r)
- when 'putrelation'; results[index]=AMF.putdata(index,putrelation(renumberednodes, renumberedways, *args))
- when 'deleteway'; results[index]=AMF.putdata(index,deleteway(*args))
- when 'putpoi'; r=putpoi(*args)
- if r[2] != r[3] then renumberednodes[r[2]] = r[3] end
- results[index]=AMF.putdata(index,r)
- when 'startchangeset'; results[index]=AMF.putdata(index,startchangeset(*args))
- end
- if results[index][0]==-3 then err=true end # If a conflict is detected, don't execute any more writes
+ bodies=AMF.getint(req) # Read number of bodies
+ render :content_type => "application/x-amf", :text => proc { |response, output|
+ a,b=bodies.divmod(256)
+ output.write 0.chr+0.chr+0.chr+0.chr+a.chr+b.chr
+ 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}")
+ result=''
+ if err
+ result=[-5,nil]
+ else
+ case message
+ when 'putway'; orn=renumberednodes.dup
+ r=putway(renumberednodes,*args)
+ r[4]=renumberednodes.reject { |k,v| orn.has_key?(k) }
+ if r[0]==0 and r[2] != r[3] then renumberedways[r[2]] = r[3] end
+ result=AMF.putdata(index,r)
+ when 'putrelation'; result=AMF.putdata(index,putrelation(renumberednodes, renumberedways, *args))
+ when 'deleteway'; result=AMF.putdata(index,deleteway(*args))
+ when 'putpoi'; r=putpoi(*args)
+ if r[0]==0 and r[2] != r[3] then renumberednodes[r[2]] = r[3] end
+ result=AMF.putdata(index,r)
+ when 'startchangeset'; result=AMF.putdata(index,startchangeset(*args))
+ end
+ if result[0]==-3 then err=true end # If a conflict is detected, don't execute any more writes
+ end
+ output.write(result)
end
- end
- logger.info("Encoding AMF results")
- sendresponse(results)
+ }
else
render :nothing => true, :status => :method_not_allowed
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
# close previous changeset and add comment
if closeid
- cs = Changeset.find(closeid)
+ cs = Changeset.find(closeid.to_i)
cs.set_closed_time_now
if cs.user_id!=user.id
raise OSM::APIUserChangesetMismatchError.new
cs.save_with_tags!
end
end
-
+
# open a new changeset
if opennew!=0
cs = Changeset.new
way = Way.find(:first, :conditions => { :id => wayid }, :include => { :nodes => :node_tags })
# check case where way has been deleted or doesn't exist
- return [-4, 'way', wayid, [], {}, nil] if way.nil? or !way.visible
+ return [-4, 'way', wayid] if way.nil? or !way.visible
points = way.nodes.collect do |node|
nodetags=node.tags
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]
+ return [-1, "Sorry, the way was deleted at that time - please revert to a previous version.", id]
end
end
rescue ArgumentError
end
if old_way.nil?
- return [-1, "Sorry, the server could not find a way at that time.", id, [], {}, nil, false]
+ 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}"
def findgpx(searchterm, usertoken)
amf_handle_error_with_timeout("'findgpx'" ,nil,nil) do
user = getuser(usertoken)
- if !user then return -1,"You must be logged in to search for GPX traces.",[] end
- unless user.active_blocks.empty? then return -1,t('application.setup_user_auth.blocked'),[] end
+ if !user then return -1,"You must be logged in to search for GPX traces." end
+ unless user.active_blocks.empty? then return -1,t('application.setup_user_auth.blocked') end
gpxs = []
if searchterm.to_i>0 then
amf_handle_error("'getrelation' #{relid}" ,'relation',relid) do
rel = Relation.find(:first, :conditions => { :id => relid })
- return [-4, 'relation', relid, {}, [], nil] if rel.nil? or !rel.visible
+ return [-4, 'relation', relid] if rel.nil? or !rel.visible
[0, '', relid, rel.tags, rel.members, rel.version]
end
end
user = getuser(usertoken)
if !user then return -1,"You are not logged in, so the relation could not be saved." end
unless user.active_blocks.empty? then return -1,t('application.setup_user_auth.blocked') end
- if !tags_ok(tags) then return -1,"One of the tags is invalid. Please pester Adobe to fix Flash on Linux." end
+ if !tags_ok(tags) then return -1,"One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." end
tags = strip_non_xml_chars tags
relid = relid.to_i
def putway(renumberednodes, usertoken, changeset_id, wayversion, originalway, pointlist, attributes, nodes, deletednodes) #:doc:
amf_handle_error("'putway' #{originalway}" ,'way',originalway) do
# -- Initialise
-
+
user = getuser(usertoken)
if !user then return -1,"You are not logged in, so the way could not be saved." end
unless user.active_blocks.empty? then return -1,t('application.setup_user_auth.blocked') end
if pointlist.length < 2 then return -2,"Server error - way is only #{points.length} points long." end
- if !tags_ok(attributes) then return -1,"One of the tags is invalid. Please pester Adobe to fix Flash on Linux." end
+ if !tags_ok(attributes) then return -1,"One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." end
attributes = strip_non_xml_chars attributes
originalway = originalway.to_i
pointlist.collect! {|a| a.to_i }
- way=nil # this is returned, so scope it outside the transaction
+ way=nil # this is returned, so scope it outside the transaction
nodeversions = {}
Way.transaction do
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.tags = a[4]
# fixup node tags in a way as well
- if !tags_ok(node.tags) then return -1,"One of the tags is invalid. Please pester Adobe to fix Flash on Linux." end
+ if !tags_ok(node.tags) then return -1,"One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." end
node.tags = strip_non_xml_chars node.tags
node.tags.delete('created_by')
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
+ 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?
user = getuser(usertoken)
if !user then return -1,"You are not logged in, so the point could not be saved." end
unless user.active_blocks.empty? then return -1,t('application.setup_user_auth.blocked') end
- if !tags_ok(tags) then return -1,"One of the tags is invalid. Please pester Adobe to fix Flash on Linux." end
+ if !tags_ok(tags) then return -1,"One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." end
tags = strip_non_xml_chars tags
id = id.to_i
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
+ unless node.ways.empty? then 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
if n
return [0, '', n.id, n.lon, n.lat, n.tags, v]
else
- return [-4, 'node', id, nil, nil, {}, nil]
+ return [-4, 'node', id]
end
end
end
# Returns 0 (success), unchanged way id, new way version, new node versions.
def deleteway(usertoken, changeset_id, way_id, way_version, deletednodes) #:doc:
- amf_handle_error("'deleteway' #{way_id}" ,'way',id) do
+ amf_handle_error("'deleteway' #{way_id}" ,'way', way_id) do
user = getuser(usertoken)
unless user then return -1,"You are not logged in, so the way could not be deleted." end
unless user.active_blocks.empty? then return -1,t('application.setup_user_auth.blocked') 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
Dir.glob("#{RAILS_ROOT}/config/potlatch/locales/*").collect { |f| File.basename(f, ".yml") }
end
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
+ 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.")}
+ WHERE current_nodes.visible=TRUE
+ AND cwn.id IS NULL
+ AND #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")}
EOF
ActiveRecord::Base.connection.select_all(sql).each do |row|
poitags={}
end
pois
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
end
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
+ 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={}
ActiveRecord::Base.connection.select_all("SELECT k,v FROM current_node_tags WHERE id=#{row['id']}").each do |n|
end
points
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|
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