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
168 doc = OSM::API.new.get_xml_doc
169 doc.root << to_xml_node
174 el1 = XML::Node.new "gpx_file"
176 el1["name"] = name.to_s
177 el1["lat"] = latitude.to_s if inserted
178 el1["lon"] = longitude.to_s if inserted
179 el1["user"] = user.display_name
180 el1["visibility"] = visibility
181 el1["pending"] = inserted ? "false" : "true"
182 el1["timestamp"] = timestamp.xmlschema
184 el2 = XML::Node.new "description"
189 el2 = XML::Node.new("tag")
197 def update_from_xml(xml, create = false)
198 p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
201 doc.find("//osm/gpx_file").each do |pt|
202 return update_from_xml_node(pt, create)
205 raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
206 rescue LibXML::XML::Error, ArgumentError => e
207 raise OSM::APIBadXMLError.new("trace", xml, e.message)
210 def update_from_xml_node(pt, create = false)
211 raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
213 self.visibility = pt["visibility"]
216 raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
219 # .to_i will return 0 if there is no number that can be parsed.
220 # We want to make sure that there is no id with zero anyway
221 raise OSM::APIBadUserInput, "ID of trace cannot be zero when updating." if id.zero?
222 raise OSM::APIBadUserInput, "The id in the url (#{self.id}) is not the same as provided in the xml (#{id})" unless self.id == id
225 # We don't care about the time, as it is explicitly set on create/update/delete
226 # We don't care about the visibility as it is implicit based on the action
227 # and set manually before the actual delete
230 description = pt.find("description").first
231 raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
233 self.description = description.content
235 self.tags = pt.find("tag").collect do |tag|
236 Tracetag.new(:tag => tag.content)
241 # TODO: *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
242 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
243 gzipped = filetype =~ /gzip compressed/
244 bzipped = filetype =~ /bzip2 compressed/
245 zipped = filetype =~ /Zip archive/
246 tarred = filetype =~ /tar archive/
248 if gzipped || bzipped || zipped || tarred
249 tmpfile = Tempfile.new("trace.#{id}")
252 system("tar -zxOf #{trace_name} > #{tmpfile.path}")
253 elsif tarred && bzipped
254 system("tar -jxOf #{trace_name} > #{tmpfile.path}")
256 system("tar -xOf #{trace_name} > #{tmpfile.path}")
258 system("gunzip -c #{trace_name} > #{tmpfile.path}")
260 system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
262 system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
269 file = File.open(trace_name)
276 logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
278 gpx = ::GPX::File.new(xml_file)
284 # If there are any existing points for this trace then delete them
285 Tracepoint.where(:gpx_id => id).delete_all
287 gpx.points.each_slice(1_000) do |points|
288 # Gather the trace points together for a bulk import
291 points.each do |point|
293 f_lat = point.latitude
294 f_lon = point.longitude
299 tp.lat = point.latitude
300 tp.lon = point.longitude
301 tp.altitude = point.altitude
302 tp.timestamp = point.timestamp
304 tp.trackid = point.segment
308 # Run the before_save and before_create callbacks, and then import them in bulk with activerecord-import
309 tracepoints.each do |tp|
310 tp.run_callbacks(:save) { false }
311 tp.run_callbacks(:create) { false }
314 Tracepoint.import!(tracepoints)
317 if gpx.actual_points.positive?
318 max_lat = Tracepoint.where(:gpx_id => id).maximum(:latitude)
319 min_lat = Tracepoint.where(:gpx_id => id).minimum(:latitude)
320 max_lon = Tracepoint.where(:gpx_id => id).maximum(:longitude)
321 min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
323 max_lat = max_lat.to_f / 10000000
324 min_lat = min_lat.to_f / 10000000
325 max_lon = max_lon.to_f / 10000000
326 min_lon = min_lon.to_f / 10000000
328 self.latitude = f_lat
329 self.longitude = f_lon
330 self.large_picture = gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
331 self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
332 self.size = gpx.actual_points
337 logger.info "done trace #{id}"
345 FileUtils.rm_f(trace_name)
346 FileUtils.rm_f(icon_picture_name)
347 FileUtils.rm_f(large_picture_name)