1 class Trace < ActiveRecord::Base
2 set_table_name 'gpx_files'
4 validates_presence_of :user_id, :name, :timestamp
5 validates_presence_of :description, :on => :create
6 # validates_numericality_of :latitude, :longitude
7 validates_inclusion_of :public, :inserted, :in => [ true, false]
10 has_many :tags, :class_name => 'Tracetag', :foreign_key => 'gpx_id', :dependent => :delete_all
11 has_many :points, :class_name => 'Tracepoint', :foreign_key => 'gpx_id', :dependent => :delete_all
15 FileUtils.rm_f(trace_name)
16 FileUtils.rm_f(icon_picture_name)
17 FileUtils.rm_f(large_picture_name)
21 return tags.collect {|tt| tt.tag}.join(" ")
25 self.tags = s.split().collect {|tag|
32 def large_picture= (data)
33 f = File.new(large_picture_name, "wb")
38 def icon_picture= (data)
39 f = File.new(icon_picture_name, "wb")
45 f = File.new(large_picture_name, "rb")
46 logger.info "large picture file: '#{f.path}', bytes: #{File.size(f.path)}"
47 data = f.sysread(File.size(f.path))
48 logger.info "have read data, bytes: '#{data.length}'"
54 f = File.new(icon_picture_name, "rb")
55 logger.info "icon picture file: '#{f.path}'"
56 data = f.sysread(File.size(f.path))
61 def large_picture_name
62 "#{GPX_IMAGE_DIR}/#{id}.gif"
66 "#{GPX_IMAGE_DIR}/#{id}_icon.gif"
70 "#{GPX_TRACE_DIR}/#{id}.gpx"
74 filetype = `/usr/bin/file -bz #{trace_name}`.chomp
75 gzipped = filetype =~ /gzip compressed/
76 bzipped = filetype =~ /bzip2 compressed/
77 zipped = filetype =~ /Zip archive/
80 mimetype = "application/x-gzip"
82 mimetype = "application/x-bzip2"
84 mimetype = "application/x-zip"
93 filetype = `/usr/bin/file -bz #{trace_name}`.chomp
94 gzipped = filetype =~ /gzip compressed/
95 bzipped = filetype =~ /bzip2 compressed/
96 zipped = filetype =~ /Zip archive/
97 tarred = filetype =~ /tar archive/
99 if tarred and gzipped then
100 extension = ".tar.gz"
101 elsif tarred and bzipped then
102 extension = ".tar.bz2"
106 extension = ".gpx.gz"
108 extension = ".gpx.bz2"
119 doc = OSM::API.new.get_xml_doc
120 doc.root << to_xml_node()
125 el1 = XML::Node.new 'gpx_file'
126 el1['id'] = self.id.to_s
127 el1['name'] = self.name.to_s
128 el1['lat'] = self.latitude.to_s
129 el1['lon'] = self.longitude.to_s
130 el1['user'] = self.user.display_name
131 el1['public'] = self.public.to_s
132 el1['pending'] = (!self.inserted).to_s
133 el1['timestamp'] = self.timestamp.xmlschema
138 # TODO *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
139 filetype = `/usr/bin/file -bz #{trace_name}`.chomp
140 gzipped = filetype =~ /gzip compressed/
141 bzipped = filetype =~ /bzip2 compressed/
142 zipped = filetype =~ /Zip archive/
143 tarred = filetype =~ /tar archive/
145 if gzipped or bzipped or zipped or tarred then
146 tmpfile = Tempfile.new("trace.#{id}");
148 if tarred and gzipped then
149 system("tar -zxOf #{trace_name} > #{tmpfile.path}")
150 elsif tarred and bzipped then
151 system("tar -jxOf #{trace_name} > #{tmpfile.path}")
153 system("tar -xOf #{trace_name} > #{tmpfile.path}")
155 system("gunzip -c #{trace_name} > #{tmpfile.path}")
157 system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
159 system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path}")
166 file = File.open(trace_name)
173 logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
175 gpx = GPX::File.new(self.xml_file)
181 # If there are any existing points for this trace then delete
182 # them - we check for existing points first to avoid locking
183 # the table in the common case where there aren't any.
184 if Tracepoint.find(:first, :conditions => ['gpx_id = ?', self.id])
185 Tracepoint.delete_all(['gpx_id = ?', self.id])
188 gpx.points do |point|
190 f_lat = point.latitude
191 f_lon = point.longitude
196 tp.lat = point.latitude
197 tp.lon = point.longitude
198 tp.altitude = point.altitude
199 tp.timestamp = point.timestamp
201 tp.trackid = point.segment
205 if gpx.actual_points > 0
206 max_lat = Tracepoint.maximum('latitude', :conditions => ['gpx_id = ?', id])
207 min_lat = Tracepoint.minimum('latitude', :conditions => ['gpx_id = ?', id])
208 max_lon = Tracepoint.maximum('longitude', :conditions => ['gpx_id = ?', id])
209 min_lon = Tracepoint.minimum('longitude', :conditions => ['gpx_id = ?', id])
211 max_lat = max_lat.to_f / 10000000
212 min_lat = min_lat.to_f / 10000000
213 max_lon = max_lon.to_f / 10000000
214 min_lon = min_lon.to_f / 10000000
216 self.latitude = f_lat
217 self.longitude = f_lon
218 self.large_picture = gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
219 self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
220 self.size = gpx.actual_points
225 logger.info "done trace #{id}"