1 # == Schema Information
3 # Table name: gpx_files
5 # id :bigint(8) not null, primary key
6 # user_id :bigint(8) not null
7 # visible :boolean default(TRUE), not null
8 # name :string default(""), not null
12 # timestamp :datetime not null
13 # description :string default(""), not null
14 # inserted :boolean not null
15 # visibility :enum default("public"), not null
19 # gpx_files_timestamp_idx (timestamp)
20 # gpx_files_user_id_idx (user_id)
21 # gpx_files_visible_visibility_idx (visible,visibility)
25 # gpx_files_user_id_fkey (user_id => users.id)
28 class Trace < ActiveRecord::Base
29 self.table_name = "gpx_files"
31 belongs_to :user, :counter_cache => true
32 has_many :tags, :class_name => "Tracetag", :foreign_key => "gpx_id", :dependent => :delete_all
33 has_many :points, :class_name => "Tracepoint", :foreign_key => "gpx_id", :dependent => :delete_all
35 scope :visible, -> { where(:visible => true) }
36 scope :visible_to, ->(u) { visible.where("visibility IN ('public', 'identifiable') OR user_id = ?", u) }
37 scope :visible_to_all, -> { where(:visibility => %w[public identifiable]) }
38 scope :tagged, ->(t) { joins(:tags).where(:gpx_file_tags => { :tag => t }) }
40 validates :user, :presence => true, :associated => true
41 validates :name, :presence => true, :length => 1..255, :characters => true
42 validates :description, :presence => { :on => :create }, :length => 1..255, :characters => true
43 validates :timestamp, :presence => true
44 validates :visibility, :inclusion => %w[private public trackable identifiable]
46 after_destroy :remove_files
49 tags.collect(&:tag).join(", ")
53 self.tags = if s.include? ","
54 s.split(/\s*,\s*/).reject { |tag| tag =~ /^\s*$/ }.collect do |tag|
60 # do as before for backwards compatibility:
61 s.split.collect do |tag|
70 visibility == "public" || visibility == "identifiable"
74 visibility == "trackable" || visibility == "identifiable"
78 visibility == "identifiable"
81 def large_picture=(data)
82 f = File.new(large_picture_name, "wb")
87 def icon_picture=(data)
88 f = File.new(icon_picture_name, "wb")
94 f = File.new(large_picture_name, "rb")
95 data = f.sysread(File.size(f.path))
101 f = File.new(icon_picture_name, "rb")
102 data = f.sysread(File.size(f.path))
107 def large_picture_name
108 "#{Settings.gpx_image_dir}/#{id}.gif"
111 def icon_picture_name
112 "#{Settings.gpx_image_dir}/#{id}_icon.gif"
116 "#{Settings.gpx_trace_dir}/#{id}.gpx"
120 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
121 gzipped = filetype =~ /gzip compressed/
122 bzipped = filetype =~ /bzip2 compressed/
123 zipped = filetype =~ /Zip archive/
124 tarred = filetype =~ /tar archive/
126 mimetype = if gzipped
129 "application/x-bzip2"
135 "application/gpx+xml"
142 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
143 gzipped = filetype =~ /gzip compressed/
144 bzipped = filetype =~ /bzip2 compressed/
145 zipped = filetype =~ /Zip archive/
146 tarred = filetype =~ /tar archive/
148 extension = if tarred && gzipped
150 elsif tarred && bzipped
167 def update_from_xml(xml, create = false)
168 p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
171 doc.find("//osm/gpx_file").each do |pt|
172 return update_from_xml_node(pt, create)
175 raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
176 rescue LibXML::XML::Error, ArgumentError => e
177 raise OSM::APIBadXMLError.new("trace", xml, e.message)
180 def update_from_xml_node(pt, create = false)
181 raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
183 self.visibility = pt["visibility"]
186 raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
189 # .to_i will return 0 if there is no number that can be parsed.
190 # We want to make sure that there is no id with zero anyway
191 raise OSM::APIBadUserInput, "ID of trace cannot be zero when updating." if id.zero?
192 raise OSM::APIBadUserInput, "The id in the url (#{self.id}) is not the same as provided in the xml (#{id})" unless self.id == id
195 # We don't care about the time, as it is explicitly set on create/update/delete
196 # We don't care about the visibility as it is implicit based on the action
197 # and set manually before the actual delete
200 description = pt.find("description").first
201 raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
203 self.description = description.content
205 self.tags = pt.find("tag").collect do |tag|
206 Tracetag.new(:tag => tag.content)
211 # TODO: *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
212 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
213 gzipped = filetype =~ /gzip compressed/
214 bzipped = filetype =~ /bzip2 compressed/
215 zipped = filetype =~ /Zip archive/
216 tarred = filetype =~ /tar archive/
218 if gzipped || bzipped || zipped || tarred
219 tmpfile = Tempfile.new("trace.#{id}")
222 system("tar -zxOf #{trace_name} > #{tmpfile.path}")
223 elsif tarred && bzipped
224 system("tar -jxOf #{trace_name} > #{tmpfile.path}")
226 system("tar -xOf #{trace_name} > #{tmpfile.path}")
228 system("gunzip -c #{trace_name} > #{tmpfile.path}")
230 system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
232 system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
239 file = File.open(trace_name)
246 logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
248 gpx = ::GPX::File.new(trace_name)
254 # If there are any existing points for this trace then delete them
255 Tracepoint.where(:gpx_id => id).delete_all
257 gpx.points.each_slice(1_000) do |points|
258 # Gather the trace points together for a bulk import
261 points.each do |point|
263 f_lat = point.latitude
264 f_lon = point.longitude
269 tp.lat = point.latitude
270 tp.lon = point.longitude
271 tp.altitude = point.altitude
272 tp.timestamp = point.timestamp
274 tp.trackid = point.segment
278 # Run the before_save and before_create callbacks, and then import them in bulk with activerecord-import
279 tracepoints.each do |tp|
280 tp.run_callbacks(:save) { false }
281 tp.run_callbacks(:create) { false }
284 Tracepoint.import!(tracepoints)
287 if gpx.actual_points.positive?
288 max_lat = Tracepoint.where(:gpx_id => id).maximum(:latitude)
289 min_lat = Tracepoint.where(:gpx_id => id).minimum(:latitude)
290 max_lon = Tracepoint.where(:gpx_id => id).maximum(:longitude)
291 min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
293 max_lat = max_lat.to_f / 10000000
294 min_lat = min_lat.to_f / 10000000
295 max_lon = max_lon.to_f / 10000000
296 min_lon = min_lon.to_f / 10000000
298 self.latitude = f_lat
299 self.longitude = f_lon
300 self.large_picture = gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
301 self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
302 self.size = gpx.actual_points
307 logger.info "done trace #{id}"
315 FileUtils.rm_f(trace_name)
316 FileUtils.rm_f(icon_picture_name)
317 FileUtils.rm_f(large_picture_name)