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 # FIXME change to permanent filestore area
62 def large_picture_name
63 "/home/osm/icons/#{id}.gif"
66 # FIXME change to permanent filestore area
68 "/home/osm/icons/#{id}_icon.gif"
72 "/home/osm/gpx/#{id}.gpx"
76 filetype = `/usr/bin/file -bz #{trace_name}`.chomp
77 gzipped = filetype =~ /gzip compressed/
78 bzipped = filetype =~ /bzip2 compressed/
79 zipped = filetype =~ /Zip archive/
82 mimetype = "application/x-gzip"
84 mimetype = "application/x-bzip2"
86 mimetype = "application/x-zip"
95 filetype = `/usr/bin/file -bz #{trace_name}`.chomp
96 gzipped = filetype =~ /gzip compressed/
97 bzipped = filetype =~ /bzip2 compressed/
98 zipped = filetype =~ /Zip archive/
99 tarred = filetype =~ /tar archive/
101 if tarred and gzipped then
102 extension = ".tar.gz"
103 elsif tarred and bzipped then
104 extension = ".tar.bz2"
108 extension = ".gpx.gz"
110 extension = ".gpx.bz2"
121 doc = OSM::API.new.get_xml_doc
122 doc.root << to_xml_node()
127 el1 = XML::Node.new 'gpx_file'
128 el1['id'] = self.id.to_s
129 el1['name'] = self.name.to_s
130 el1['lat'] = self.latitude.to_s
131 el1['lon'] = self.longitude.to_s
132 el1['user'] = self.user.display_name
133 el1['public'] = self.public.to_s
134 el1['pending'] = (!self.inserted).to_s
135 el1['timestamp'] = self.timestamp.xmlschema
140 # TODO *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
141 filetype = `/usr/bin/file -bz #{trace_name}`.chomp
142 gzipped = filetype =~ /gzip compressed/
143 bzipped = filetype =~ /bzip2 compressed/
144 zipped = filetype =~ /Zip archive/
145 tarred = filetype =~ /tar archive/
147 if gzipped or bzipped or zipped or tarred then
148 tmpfile = Tempfile.new("trace.#{id}");
150 if tarred and gzipped then
151 system("tar -zxOf #{trace_name} > #{tmpfile.path}")
152 elsif tarred and bzipped then
153 system("tar -jxOf #{trace_name} > #{tmpfile.path}")
155 system("tar -xOf #{trace_name} > #{tmpfile.path}")
157 system("gunzip -c #{trace_name} > #{tmpfile.path}")
159 system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
161 system("unzip -p #{trace_name} > #{tmpfile.path}")
168 file = File.open(trace_name)
175 logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
177 gpx = OSM::GPXImporter.new(self.xml_file)
183 # If there are any existing points for this trace then delete
184 # them - we check for existing points first to avoid locking
185 # the table in the common case where there aren't any.
186 if Tracepoint.find(:first, :conditions => ['gpx_id = ?', self.id])
187 Tracepoint.delete_all(['gpx_id = ?', self.id])
190 gpx.points do |point|
192 f_lat = point['latitude']
193 f_lon = point['longitude']
198 tp.lat = point['latitude'].to_f
199 tp.lon = point['longitude'].to_f
200 tp.altitude = point['altitude'].to_f
201 tp.timestamp = point['timestamp']
203 tp.trackid = point['segment'].to_i
207 if gpx.actual_points > 0
208 max_lat = Tracepoint.maximum('latitude', :conditions => ['gpx_id = ?', id])
209 min_lat = Tracepoint.minimum('latitude', :conditions => ['gpx_id = ?', id])
210 max_lon = Tracepoint.maximum('longitude', :conditions => ['gpx_id = ?', id])
211 min_lon = Tracepoint.minimum('longitude', :conditions => ['gpx_id = ?', id])
213 max_lat = max_lat.to_f / 10000000
214 min_lat = min_lat.to_f / 10000000
215 max_lon = max_lon.to_f / 10000000
216 min_lon = min_lon.to_f / 10000000
218 self.latitude = f_lat
219 self.longitude = f_lon
220 self.large_picture = gpx.get_picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
221 self.icon_picture = gpx.get_icon(min_lat, min_lon, max_lat, max_lon)
222 self.size = gpx.actual_points
227 logger.info "done trace #{id}"