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 return `file -bi #{trace_name}`.chomp
80 filetype = `file -bz #{trace_name}`.chomp
81 gzipped = filetype =~ /gzip compressed/
82 bzipped = filetype =~ /bzip2 compressed/
83 zipped = filetype =~ /Zip archive/
84 tarred = filetype =~ /tar archive/
86 if tarred and gzipped then
88 elsif tarred and bzipped then
89 extension = ".tar.bz2"
95 extension = ".gpx.bz2"
106 doc = OSM::API.new.get_xml_doc
107 doc.root << to_xml_node()
112 el1 = XML::Node.new 'gpx_file'
113 el1['id'] = self.id.to_s
114 el1['name'] = self.name.to_s
115 el1['lat'] = self.latitude.to_s
116 el1['lon'] = self.longitude.to_s
117 el1['user'] = self.user.display_name
118 el1['public'] = self.public.to_s
119 el1['pending'] = (!self.inserted).to_s
120 el1['timestamp'] = self.timestamp.xmlschema
126 logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
128 # TODO *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
129 filetype = `file -bz #{trace_name}`.chomp
130 gzipped = filetype =~ /gzip compressed/
131 bzipped = filetype =~ /bzip2 compressed/
132 zipped = filetype =~ /Zip archive/
133 tarred = filetype =~ /tar archive/
135 if tarred and gzipped then
136 filename = tempfile = "/tmp/#{rand}"
137 system("tar -zxOf #{trace_name} > #{filename}")
138 elsif tarred and bzipped then
139 filename = tempfile = "/tmp/#{rand}"
140 system("tar -jxOf #{trace_name} > #{filename}")
142 filename = tempfile = "/tmp/#{rand}"
143 system("tar -xOf #{trace_name} > #{filename}")
145 filename = tempfile = "/tmp/#{rand}"
146 system("gunzip -c #{trace_name} > #{filename}")
148 filename = tempfile = "/tmp/#{rand}"
149 system("bunzip2 -c #{trace_name} > #{filename}")
151 filename = tempfile = "/tmp/#{rand}"
152 system("unzip -p #{trace_name} > #{filename}")
154 filename = trace_name
157 gpx = OSM::GPXImporter.new(filename)
163 Tracepoint.delete_all(['gpx_id = ?', self.id])
165 gpx.points do |point|
167 f_lat = point['latitude']
168 f_lon = point['longitude']
172 tp.lat = point['latitude'].to_f
173 tp.lng = point['longitude'].to_f
174 tp.altitude = point['altitude'].to_f
175 tp.timestamp = point['timestamp']
178 tp.trackid = point['segment'].to_i
182 if gpx.actual_points > 0
183 max_lat = Tracepoint.maximum('latitude', :conditions => ['gpx_id = ?', id])
184 min_lat = Tracepoint.minimum('latitude', :conditions => ['gpx_id = ?', id])
185 max_lon = Tracepoint.maximum('longitude', :conditions => ['gpx_id = ?', id])
186 min_lon = Tracepoint.minimum('longitude', :conditions => ['gpx_id = ?', id])
188 max_lat = max_lat.to_f / 1000000
189 min_lat = min_lat.to_f / 1000000
190 max_lon = max_lon.to_f / 1000000
191 min_lon = min_lon.to_f / 1000000
193 self.latitude = f_lat
194 self.longitude = f_lon
195 self.large_picture = gpx.get_picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
196 self.icon_picture = gpx.get_icon(min_lat, min_lon, max_lat, max_lon)
197 self.size = gpx.actual_points
202 logger.info "done trace #{id}"
206 FileUtils.rm_f(tempfile) if tempfile