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
20 # gpx_files_timestamp_idx (timestamp)
21 # gpx_files_user_id_idx (user_id)
22 # gpx_files_visible_visibility_idx (visible,visibility)
26 # gpx_files_user_id_fkey (user_id => users.id)
29 class Trace < ActiveRecord::Base
30 self.table_name = "gpx_files"
32 belongs_to :user, :counter_cache => true
33 has_many :tags, :class_name => "Tracetag", :foreign_key => "gpx_id", :dependent => :delete_all
34 has_many :points, :class_name => "Tracepoint", :foreign_key => "gpx_id", :dependent => :delete_all
36 scope :visible, -> { where(:visible => true) }
37 scope :visible_to, ->(u) { visible.where("visibility IN ('public', 'identifiable') OR user_id = ?", u) }
38 scope :visible_to_all, -> { where(:visibility => %w[public identifiable]) }
39 scope :tagged, ->(t) { joins(:tags).where(:gpx_file_tags => { :tag => t }) }
41 validates :user, :presence => true, :associated => true
42 validates :name, :presence => true, :length => 1..255
43 validates :name, :description, :invalid_chars => true
44 validates :description, :presence => { :on => :create }, :length => 1..255
45 validates :timestamp, :presence => true
46 validates :visibility, :inclusion => %w[private public trackable identifiable]
50 FileUtils.rm_f(trace_name)
51 FileUtils.rm_f(icon_picture_name)
52 FileUtils.rm_f(large_picture_name)
56 tags.collect(&:tag).join(", ")
60 self.tags = if s.include? ","
61 s.split(/\s*,\s*/).reject { |tag| tag =~ /^\s*$/ }.collect do |tag|
67 # do as before for backwards compatibility:
68 s.split.collect do |tag|
77 visibility == "public" || visibility == "identifiable"
81 visibility == "trackable" || visibility == "identifiable"
85 visibility == "identifiable"
88 def large_picture=(data)
89 f = File.new(large_picture_name, "wb")
94 def icon_picture=(data)
95 f = File.new(icon_picture_name, "wb")
101 f = File.new(large_picture_name, "rb")
102 data = f.sysread(File.size(f.path))
108 f = File.new(icon_picture_name, "rb")
109 data = f.sysread(File.size(f.path))
114 def large_picture_name
115 "#{GPX_IMAGE_DIR}/#{id}.gif"
118 def icon_picture_name
119 "#{GPX_IMAGE_DIR}/#{id}_icon.gif"
123 "#{GPX_TRACE_DIR}/#{id}.gpx"
127 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
128 gzipped = filetype =~ /gzip compressed/
129 bzipped = filetype =~ /bzip2 compressed/
130 zipped = filetype =~ /Zip archive/
131 tarred = filetype =~ /tar archive/
133 mimetype = if gzipped
136 "application/x-bzip2"
142 "application/gpx+xml"
149 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
150 gzipped = filetype =~ /gzip compressed/
151 bzipped = filetype =~ /bzip2 compressed/
152 zipped = filetype =~ /Zip archive/
153 tarred = filetype =~ /tar archive/
155 extension = if tarred && gzipped
157 elsif tarred && bzipped
175 doc = OSM::API.new.get_xml_doc
176 doc.root << to_xml_node
181 el1 = XML::Node.new "gpx_file"
183 el1["name"] = name.to_s
184 el1["lat"] = latitude.to_s if inserted
185 el1["lon"] = longitude.to_s if inserted
186 el1["user"] = user.display_name
187 el1["visibility"] = visibility
188 el1["pending"] = inserted ? "false" : "true"
189 el1["timestamp"] = timestamp.xmlschema
191 el2 = XML::Node.new "description"
196 el2 = XML::Node.new("tag")
204 def update_from_xml(xml, create = false)
205 p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
208 doc.find("//osm/gpx_file").each do |pt|
209 return update_from_xml_node(pt, create)
212 raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
213 rescue LibXML::XML::Error, ArgumentError => ex
214 raise OSM::APIBadXMLError.new("trace", xml, ex.message)
217 def update_from_xml_node(pt, create = false)
218 raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
220 self.visibility = pt["visibility"]
223 raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
226 # .to_i will return 0 if there is no number that can be parsed.
227 # We want to make sure that there is no id with zero anyway
228 raise OSM::APIBadUserInput, "ID of trace cannot be zero when updating." if id.zero?
229 raise OSM::APIBadUserInput, "The id in the url (#{self.id}) is not the same as provided in the xml (#{id})" unless self.id == id
232 # We don't care about the time, as it is explicitly set on create/update/delete
233 # We don't care about the visibility as it is implicit based on the action
234 # and set manually before the actual delete
237 description = pt.find("description").first
238 raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
240 self.description = description.content
242 self.tags = pt.find("tag").collect do |tag|
243 Tracetag.new(:tag => tag.content)
248 # TODO: *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
249 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
250 gzipped = filetype =~ /gzip compressed/
251 bzipped = filetype =~ /bzip2 compressed/
252 zipped = filetype =~ /Zip archive/
253 tarred = filetype =~ /tar archive/
255 if gzipped || bzipped || zipped || tarred
256 tmpfile = Tempfile.new("trace.#{id}")
259 system("tar -zxOf #{trace_name} > #{tmpfile.path}")
260 elsif tarred && bzipped
261 system("tar -jxOf #{trace_name} > #{tmpfile.path}")
263 system("tar -xOf #{trace_name} > #{tmpfile.path}")
265 system("gunzip -c #{trace_name} > #{tmpfile.path}")
267 system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
269 system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
276 file = File.open(trace_name)
283 logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
285 gpx = GPX::File.new(xml_file)
291 # If there are any existing points for this trace then delete them
292 Tracepoint.where(:gpx_id => id).delete_all
294 gpx.points do |point|
296 f_lat = point.latitude
297 f_lon = point.longitude
302 tp.lat = point.latitude
303 tp.lon = point.longitude
304 tp.altitude = point.altitude
305 tp.timestamp = point.timestamp
307 tp.trackid = point.segment
311 if gpx.actual_points.positive?
312 max_lat = Tracepoint.where(:gpx_id => id).maximum(:latitude)
313 min_lat = Tracepoint.where(:gpx_id => id).minimum(:latitude)
314 max_lon = Tracepoint.where(:gpx_id => id).maximum(:longitude)
315 min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
317 max_lat = max_lat.to_f / 10000000
318 min_lat = min_lat.to_f / 10000000
319 max_lon = max_lon.to_f / 10000000
320 min_lon = min_lon.to_f / 10000000
322 self.latitude = f_lat
323 self.longitude = f_lon
324 self.large_picture = gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
325 self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
326 self.size = gpx.actual_points
331 logger.info "done trace #{id}"