1 # == Schema Information
3 # Table name: gpx_files
5 # id :integer not null, primary key
6 # user_id :integer 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]
48 FileUtils.rm_f(trace_name)
49 FileUtils.rm_f(icon_picture_name)
50 FileUtils.rm_f(large_picture_name)
54 tags.collect(&:tag).join(", ")
58 self.tags = if s.include? ","
59 s.split(/\s*,\s*/).reject { |tag| tag =~ /^\s*$/ }.collect do |tag|
65 # do as before for backwards compatibility:
66 s.split.collect do |tag|
75 visibility == "public" || visibility == "identifiable"
79 visibility == "trackable" || visibility == "identifiable"
83 visibility == "identifiable"
86 def large_picture=(data)
87 f = File.new(large_picture_name, "wb")
92 def icon_picture=(data)
93 f = File.new(icon_picture_name, "wb")
99 f = File.new(large_picture_name, "rb")
100 data = f.sysread(File.size(f.path))
106 f = File.new(icon_picture_name, "rb")
107 data = f.sysread(File.size(f.path))
112 def large_picture_name
113 "#{Settings.gpx_image_dir}/#{id}.gif"
116 def icon_picture_name
117 "#{Settings.gpx_image_dir}/#{id}_icon.gif"
121 "#{Settings.gpx_trace_dir}/#{id}.gpx"
125 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
126 gzipped = filetype =~ /gzip compressed/
127 bzipped = filetype =~ /bzip2 compressed/
128 zipped = filetype =~ /Zip archive/
129 tarred = filetype =~ /tar archive/
131 mimetype = if gzipped
134 "application/x-bzip2"
140 "application/gpx+xml"
147 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
148 gzipped = filetype =~ /gzip compressed/
149 bzipped = filetype =~ /bzip2 compressed/
150 zipped = filetype =~ /Zip archive/
151 tarred = filetype =~ /tar archive/
153 extension = if tarred && gzipped
155 elsif tarred && bzipped
172 def update_from_xml(xml, create = false)
173 p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
176 doc.find("//osm/gpx_file").each do |pt|
177 return update_from_xml_node(pt, create)
180 raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
181 rescue LibXML::XML::Error, ArgumentError => ex
182 raise OSM::APIBadXMLError.new("trace", xml, ex.message)
185 def update_from_xml_node(pt, create = false)
186 raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
188 self.visibility = pt["visibility"]
191 raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
194 # .to_i will return 0 if there is no number that can be parsed.
195 # We want to make sure that there is no id with zero anyway
196 raise OSM::APIBadUserInput, "ID of trace cannot be zero when updating." if id.zero?
197 raise OSM::APIBadUserInput, "The id in the url (#{self.id}) is not the same as provided in the xml (#{id})" unless self.id == id
200 # We don't care about the time, as it is explicitly set on create/update/delete
201 # We don't care about the visibility as it is implicit based on the action
202 # and set manually before the actual delete
205 description = pt.find("description").first
206 raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
208 self.description = description.content
210 self.tags = pt.find("tag").collect do |tag|
211 Tracetag.new(:tag => tag.content)
216 # TODO: *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
217 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
218 gzipped = filetype =~ /gzip compressed/
219 bzipped = filetype =~ /bzip2 compressed/
220 zipped = filetype =~ /Zip archive/
221 tarred = filetype =~ /tar archive/
223 if gzipped || bzipped || zipped || tarred
224 tmpfile = Tempfile.new("trace.#{id}")
227 system("tar -zxOf #{trace_name} > #{tmpfile.path}")
228 elsif tarred && bzipped
229 system("tar -jxOf #{trace_name} > #{tmpfile.path}")
231 system("tar -xOf #{trace_name} > #{tmpfile.path}")
233 system("gunzip -c #{trace_name} > #{tmpfile.path}")
235 system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
237 system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
244 file = File.open(trace_name)
251 logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
253 gpx = ::GPX::File.new(xml_file)
259 # If there are any existing points for this trace then delete them
260 Tracepoint.where(:gpx_id => id).delete_all
262 gpx.points.each_slice(1_000) do |points|
263 # Gather the trace points together for a bulk import
266 points.each do |point|
268 f_lat = point.latitude
269 f_lon = point.longitude
274 tp.lat = point.latitude
275 tp.lon = point.longitude
276 tp.altitude = point.altitude
277 tp.timestamp = point.timestamp
279 tp.trackid = point.segment
283 # Run the before_save and before_create callbacks, and then import them in bulk with activerecord-import
284 tracepoints.each do |tp|
285 tp.run_callbacks(:save) { false }
286 tp.run_callbacks(:create) { false }
289 Tracepoint.import!(tracepoints)
292 if gpx.actual_points.positive?
293 max_lat = Tracepoint.where(:gpx_id => id).maximum(:latitude)
294 min_lat = Tracepoint.where(:gpx_id => id).minimum(:latitude)
295 max_lon = Tracepoint.where(:gpx_id => id).maximum(:longitude)
296 min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
298 max_lat = max_lat.to_f / 10000000
299 min_lat = min_lat.to_f / 10000000
300 max_lon = max_lon.to_f / 10000000
301 min_lon = min_lon.to_f / 10000000
303 self.latitude = f_lat
304 self.longitude = f_lon
305 self.large_picture = gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
306 self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
307 self.size = gpx.actual_points
312 logger.info "done trace #{id}"