X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/dcad29dad0d29e22ffa0c34a8d9b43cbf5d64f12..c7061991e74a20cc0576a3afa269821a87178f77:/app/models/trace.rb diff --git a/app/models/trace.rb b/app/models/trace.rb index 92cc39678..ed1bf058c 100644 --- a/app/models/trace.rb +++ b/app/models/trace.rb @@ -1,14 +1,20 @@ class Trace < ActiveRecord::Base - set_table_name 'gpx_files' + self.table_name = "gpx_files" - validates_presence_of :user_id, :name, :timestamp - validates_presence_of :description, :on => :create -# validates_numericality_of :latitude, :longitude - validates_inclusion_of :public, :inserted, :in => [ true, false] - - belongs_to :user - has_many :tags, :class_name => 'Tracetag', :foreign_key => 'gpx_id', :dependent => :delete_all - has_many :points, :class_name => 'Tracepoint', :foreign_key => 'gpx_id', :dependent => :delete_all + belongs_to :user, :counter_cache => true + has_many :tags, :class_name => "Tracetag", :foreign_key => "gpx_id", :dependent => :delete_all + has_many :points, :class_name => "Tracepoint", :foreign_key => "gpx_id", :dependent => :delete_all + + scope :visible, -> { where(:visible => true) } + scope :visible_to, ->(u) { visible.where("visibility IN ('public', 'identifiable') OR user_id = ?", u) } + scope :visible_to_all, -> { where(:visibility => %w(public identifiable)) } + scope :tagged, ->(t) { joins(:tags).where(:gpx_file_tags => { :tag => t }) } + + validates :user, :presence => true, :associated => true + validates :name, :presence => true, :length => 1..255 + validates :description, :presence => { :on => :create }, :length => 1..255 + validates :timestamp, :presence => true + validates :visibility, :inclusion => %w(private public trackable identifiable) def destroy super @@ -18,24 +24,45 @@ class Trace < ActiveRecord::Base end def tagstring - return tags.collect {|tt| tt.tag}.join(" ") + tags.collect(&:tag).join(", ") end def tagstring=(s) - self.tags = s.split().collect {|tag| - tt = Tracetag.new - tt.tag = tag - tt - } - end - - def large_picture= (data) + self.tags = if s.include? "," + s.split(/\s*,\s*/).select { |tag| tag !~ /^\s*$/ }.collect do|tag| + tt = Tracetag.new + tt.tag = tag + tt + end + else + # do as before for backwards compatibility: + s.split.collect do|tag| + tt = Tracetag.new + tt.tag = tag + tt + end + end + end + + def public? + visibility == "public" || visibility == "identifiable" + end + + def trackable? + visibility == "trackable" || visibility == "identifiable" + end + + def identifiable? + visibility == "identifiable" + end + + def large_picture=(data) f = File.new(large_picture_name, "wb") f.syswrite(data) f.close end - - def icon_picture= (data) + + def icon_picture=(data) f = File.new(icon_picture_name, "wb") f.syswrite(data) f.close @@ -43,141 +70,238 @@ class Trace < ActiveRecord::Base def large_picture f = File.new(large_picture_name, "rb") - logger.info "large picture file: '#{f.path}', bytes: #{File.size(f.path)}" data = f.sysread(File.size(f.path)) - logger.info "have read data, bytes: '#{data.length}'" f.close data end - + def icon_picture f = File.new(icon_picture_name, "rb") - logger.info "icon picture file: '#{f.path}'" data = f.sysread(File.size(f.path)) f.close data end - - # FIXME change to permanent filestore area + def large_picture_name - "/home/osm/icons/#{id}.gif" + "#{GPX_IMAGE_DIR}/#{id}.gif" end - # FIXME change to permanent filestore area def icon_picture_name - "/home/osm/icons/#{id}_icon.gif" + "#{GPX_IMAGE_DIR}/#{id}_icon.gif" end def trace_name - "/home/osm/gpx/#{id}.gpx" + "#{GPX_TRACE_DIR}/#{id}.gpx" end def mime_type - return `file -bi #{trace_name}`.chomp + filetype = `/usr/bin/file -bz #{trace_name}`.chomp + gzipped = filetype =~ /gzip compressed/ + bzipped = filetype =~ /bzip2 compressed/ + zipped = filetype =~ /Zip archive/ + tarred = filetype =~ /tar archive/ + + mimetype = if gzipped + "application/x-gzip" + elsif bzipped + "application/x-bzip2" + elsif zipped + "application/x-zip" + elsif tarred + "application/x-tar" + else + "application/gpx+xml" + end + + mimetype + end + + def extension_name + filetype = `/usr/bin/file -bz #{trace_name}`.chomp + gzipped = filetype =~ /gzip compressed/ + bzipped = filetype =~ /bzip2 compressed/ + zipped = filetype =~ /Zip archive/ + tarred = filetype =~ /tar archive/ + + extension = if tarred && gzipped + ".tar.gz" + elsif tarred && bzipped + ".tar.bz2" + elsif tarred + ".tar" + elsif gzipped + ".gpx.gz" + elsif bzipped + ".gpx.bz2" + elsif zipped + ".zip" + else + ".gpx" + end + + extension end def to_xml doc = OSM::API.new.get_xml_doc - doc.root << to_xml_node() - return doc + doc.root << to_xml_node + doc end def to_xml_node - el1 = XML::Node.new 'gpx_file' - el1['id'] = self.id.to_s - el1['name'] = self.name.to_s - el1['lat'] = self.latitude.to_s - el1['lon'] = self.longitude.to_s - el1['user'] = self.user.display_name - el1['public'] = self.public.to_s - el1['pending'] = (!self.inserted).to_s - el1['timestamp'] = self.timestamp.xmlschema - return el1 + el1 = XML::Node.new "gpx_file" + el1["id"] = id.to_s + el1["name"] = name.to_s + el1["lat"] = latitude.to_s if inserted + el1["lon"] = longitude.to_s if inserted + el1["user"] = user.display_name + el1["visibility"] = visibility + el1["pending"] = inserted ? "false" : "true" + el1["timestamp"] = timestamp.xmlschema + + el2 = XML::Node.new "description" + el2 << description + el1 << el2 + + tags.each do |tag| + el2 = XML::Node.new("tag") + el2 << tag.tag + el1 << el2 + end + + el1 end - def import - begin - logger.info("GPX Import importing #{name} (#{id}) from #{user.email}") - - # TODO *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz' - filetype = `file -bz #{trace_name}`.chomp - gzipped = filetype =~ /gzip compressed/ - bzipped = filetype =~ /bzip2 compressed/ - zipped = filetype =~ /Zip archive/ - tarred = filetype =~ /tar archive/ - - if tarred and gzipped then - filename = tempfile = "/tmp/#{rand}" - system("tar -zxOf #{trace_name} > #{filename}") - elsif tarred and bzipped then - filename = tempfile = "/tmp/#{rand}" - system("tar -jxOf #{trace_name} > #{filename}") + # Read in xml as text and return it's Node object representation + def self.from_xml(xml, create = false) + p = XML::Parser.string(xml) + doc = p.parse + + doc.find("//osm/gpx_file").each do |pt| + return Trace.from_xml_node(pt, create) + end + + fail OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.") + rescue LibXML::XML::Error, ArgumentError => ex + raise OSM::APIBadXMLError.new("trace", xml, ex.message) + end + + def self.from_xml_node(pt, create = false) + trace = Trace.new + + fail OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil? + trace.visibility = pt["visibility"] + + unless create + fail OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil? + trace.id = pt["id"].to_i + # .to_i will return 0 if there is no number that can be parsed. + # We want to make sure that there is no id with zero anyway + fail OSM::APIBadUserInput.new("ID of trace cannot be zero when updating.") if trace.id == 0 + end + + # We don't care about the time, as it is explicitly set on create/update/delete + # We don't care about the visibility as it is implicit based on the action + # and set manually before the actual delete + trace.visible = true + + description = pt.find("description").first + fail OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil? + trace.description = description.content + + pt.find("tag").each do |tag| + trace.tags.build(:tag => tag.content) + end + + trace + end + + def xml_file + # TODO: *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz' + filetype = `/usr/bin/file -bz #{trace_name}`.chomp + gzipped = filetype =~ /gzip compressed/ + bzipped = filetype =~ /bzip2 compressed/ + zipped = filetype =~ /Zip archive/ + tarred = filetype =~ /tar archive/ + + if gzipped || bzipped || zipped || tarred + tmpfile = Tempfile.new("trace.#{id}") + + if tarred && gzipped + system("tar -zxOf #{trace_name} > #{tmpfile.path}") + elsif tarred && bzipped + system("tar -jxOf #{trace_name} > #{tmpfile.path}") elsif tarred - filename = tempfile = "/tmp/#{rand}" - system("tar -xOf #{trace_name} > #{filename}") + system("tar -xOf #{trace_name} > #{tmpfile.path}") elsif gzipped - filename = tempfile = "/tmp/#{rand}" - system("gunzip -c #{trace_name} > #{filename}") + system("gunzip -c #{trace_name} > #{tmpfile.path}") elsif bzipped - filename = tempfile = "/tmp/#{rand}" - system("bunzip2 -c #{trace_name} > #{filename}") + system("bunzip2 -c #{trace_name} > #{tmpfile.path}") elsif zipped - filename = tempfile = "/tmp/#{rand}" - system("unzip -p #{trace_name} > #{filename}") - else - filename = trace_name + system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null") end - gpx = OSM::GPXImporter.new(filename) - - f_lat = 0 - f_lon = 0 - first = true - - Tracepoint.delete_all(['gpx_id = ?', self.id]) - - gpx.points do |point| - if first - f_lat = point['latitude'] - f_lon = point['longitude'] - end - - tp = Tracepoint.new - tp.lat = point['latitude'].to_f - tp.lng = point['longitude'].to_f - tp.altitude = point['altitude'].to_f - tp.timestamp = point['timestamp'] - tp.user_id = user.id - tp.gpx_id = id - tp.trackid = point['segment'].to_i - tp.save! - end + tmpfile.unlink - if gpx.actual_points > 0 - max_lat = Tracepoint.maximum('latitude', :conditions => ['gpx_id = ?', id]) - min_lat = Tracepoint.minimum('latitude', :conditions => ['gpx_id = ?', id]) - max_lon = Tracepoint.maximum('longitude', :conditions => ['gpx_id = ?', id]) - min_lon = Tracepoint.minimum('longitude', :conditions => ['gpx_id = ?', id]) - - max_lat = max_lat.to_f / 1000000 - min_lat = min_lat.to_f / 1000000 - max_lon = max_lon.to_f / 1000000 - min_lon = min_lon.to_f / 1000000 - - self.latitude = f_lat - self.longitude = f_lon - self.large_picture = gpx.get_picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points) - self.icon_picture = gpx.get_icon(min_lat, min_lon, max_lat, max_lon) - self.size = gpx.actual_points - self.inserted = true - self.save + file = tmpfile.file + else + file = File.open(trace_name) + end + + file + end + + def import + logger.info("GPX Import importing #{name} (#{id}) from #{user.email}") + + gpx = GPX::File.new(xml_file) + + f_lat = 0 + f_lon = 0 + first = true + + # If there are any existing points for this trace then delete them + Tracepoint.delete_all(:gpx_id => id) + + gpx.points do |point| + if first + f_lat = point.latitude + f_lon = point.longitude + first = false end - logger.info "done trace #{id}" + tp = Tracepoint.new + tp.lat = point.latitude + tp.lon = point.longitude + tp.altitude = point.altitude + tp.timestamp = point.timestamp + tp.gpx_id = id + tp.trackid = point.segment + tp.save! + end + + if gpx.actual_points > 0 + max_lat = Tracepoint.where(:gpx_id => id).maximum(:latitude) + min_lat = Tracepoint.where(:gpx_id => id).minimum(:latitude) + max_lon = Tracepoint.where(:gpx_id => id).maximum(:longitude) + min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude) - return gpx - ensure - FileUtils.rm_f(tempfile) if tempfile + max_lat = max_lat.to_f / 10000000 + min_lat = min_lat.to_f / 10000000 + max_lon = max_lon.to_f / 10000000 + min_lon = min_lon.to_f / 10000000 + + self.latitude = f_lat + self.longitude = f_lon + self.large_picture = gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points) + self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon) + self.size = gpx.actual_points + self.inserted = true + save! end + + logger.info "done trace #{id}" + + gpx end end