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
42 validates :name, :description, :invalid_chars => true
43 validates :description, :presence => { :on => :create }, :length => 1..255
44 validates :timestamp, :presence => true
45 validates :visibility, :inclusion => %w[private public trackable identifiable]
49 FileUtils.rm_f(trace_name)
50 FileUtils.rm_f(icon_picture_name)
51 FileUtils.rm_f(large_picture_name)
55 tags.collect(&:tag).join(", ")
59 self.tags = if s.include? ","
60 s.split(/\s*,\s*/).reject { |tag| tag =~ /^\s*$/ }.collect do |tag|
66 # do as before for backwards compatibility:
67 s.split.collect do |tag|
76 visibility == "public" || visibility == "identifiable"
80 visibility == "trackable" || visibility == "identifiable"
84 visibility == "identifiable"
87 def large_picture=(data)
88 f = File.new(large_picture_name, "wb")
93 def icon_picture=(data)
94 f = File.new(icon_picture_name, "wb")
100 f = File.new(large_picture_name, "rb")
101 data = f.sysread(File.size(f.path))
107 f = File.new(icon_picture_name, "rb")
108 data = f.sysread(File.size(f.path))
113 def large_picture_name
114 "#{GPX_IMAGE_DIR}/#{id}.gif"
117 def icon_picture_name
118 "#{GPX_IMAGE_DIR}/#{id}_icon.gif"
122 "#{GPX_TRACE_DIR}/#{id}.gpx"
126 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
127 gzipped = filetype =~ /gzip compressed/
128 bzipped = filetype =~ /bzip2 compressed/
129 zipped = filetype =~ /Zip archive/
130 tarred = filetype =~ /tar archive/
132 mimetype = if gzipped
135 "application/x-bzip2"
141 "application/gpx+xml"
148 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
149 gzipped = filetype =~ /gzip compressed/
150 bzipped = filetype =~ /bzip2 compressed/
151 zipped = filetype =~ /Zip archive/
152 tarred = filetype =~ /tar archive/
154 extension = if tarred && gzipped
156 elsif tarred && bzipped
174 doc = OSM::API.new.get_xml_doc
175 doc.root << to_xml_node
180 el1 = XML::Node.new "gpx_file"
182 el1["name"] = name.to_s
183 el1["lat"] = latitude.to_s if inserted
184 el1["lon"] = longitude.to_s if inserted
185 el1["user"] = user.display_name
186 el1["visibility"] = visibility
187 el1["pending"] = inserted ? "false" : "true"
188 el1["timestamp"] = timestamp.xmlschema
190 el2 = XML::Node.new "description"
195 el2 = XML::Node.new("tag")
203 def update_from_xml(xml, create = false)
204 p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
207 doc.find("//osm/gpx_file").each do |pt|
208 return update_from_xml_node(pt, create)
211 raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
212 rescue LibXML::XML::Error, ArgumentError => ex
213 raise OSM::APIBadXMLError.new("trace", xml, ex.message)
216 def update_from_xml_node(pt, create = false)
217 raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
219 self.visibility = pt["visibility"]
222 raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
225 # .to_i will return 0 if there is no number that can be parsed.
226 # We want to make sure that there is no id with zero anyway
227 raise OSM::APIBadUserInput, "ID of trace cannot be zero when updating." if id.zero?
228 raise OSM::APIBadUserInput, "The id in the url (#{self.id}) is not the same as provided in the xml (#{id})" unless self.id == id
231 # We don't care about the time, as it is explicitly set on create/update/delete
232 # We don't care about the visibility as it is implicit based on the action
233 # and set manually before the actual delete
236 description = pt.find("description").first
237 raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
239 self.description = description.content
241 self.tags = pt.find("tag").collect do |tag|
242 Tracetag.new(:tag => tag.content)
247 # TODO: *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
248 filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
249 gzipped = filetype =~ /gzip compressed/
250 bzipped = filetype =~ /bzip2 compressed/
251 zipped = filetype =~ /Zip archive/
252 tarred = filetype =~ /tar archive/
254 if gzipped || bzipped || zipped || tarred
255 tmpfile = Tempfile.new("trace.#{id}")
258 system("tar -zxOf #{trace_name} > #{tmpfile.path}")
259 elsif tarred && bzipped
260 system("tar -jxOf #{trace_name} > #{tmpfile.path}")
262 system("tar -xOf #{trace_name} > #{tmpfile.path}")
264 system("gunzip -c #{trace_name} > #{tmpfile.path}")
266 system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
268 system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
275 file = File.open(trace_name)
282 logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
284 gpx = GPX::File.new(xml_file)
290 # If there are any existing points for this trace then delete them
291 Tracepoint.where(:gpx_id => id).delete_all
293 gpx.points do |point|
295 f_lat = point.latitude
296 f_lon = point.longitude
301 tp.lat = point.latitude
302 tp.lon = point.longitude
303 tp.altitude = point.altitude
304 tp.timestamp = point.timestamp
306 tp.trackid = point.segment
310 if gpx.actual_points.positive?
311 max_lat = Tracepoint.where(:gpx_id => id).maximum(:latitude)
312 min_lat = Tracepoint.where(:gpx_id => id).minimum(:latitude)
313 max_lon = Tracepoint.where(:gpx_id => id).maximum(:longitude)
314 min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
316 max_lat = max_lat.to_f / 10000000
317 min_lat = min_lat.to_f / 10000000
318 max_lon = max_lon.to_f / 10000000
319 min_lon = min_lon.to_f / 10000000
321 self.latitude = f_lat
322 self.longitude = f_lon
323 self.large_picture = gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
324 self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
325 self.size = gpx.actual_points
330 logger.info "done trace #{id}"