class Trace < ActiveRecord::Base
- set_table_name 'gpx_files'
+ self.table_name = "gpx_files"
+
+ belongs_to :user, :counter_cache => true
+ has_many :tags, :class_name => 'Tracetag', :foreign_key => 'gpx_id', :dependent => :delete_all
+ has_many :points, :class_name => 'Tracepoint', :foreign_key => 'gpx_id', :dependent => :delete_all
+
+ scope :visible, -> { where(:visible => true) }
+ scope :visible_to, ->(u) { visible.where("visibility IN ('public', 'identifiable') OR user_id = ?", u) }
+ scope :public, -> { where(:visibility => ["public", "identifiable"]) }
+ scope :tagged, ->(t) { joins(:tags).where(:gpx_file_tags => { :tag => t }) }
validates_presence_of :user_id, :name, :timestamp
validates_presence_of :description, :on => :create
+ validates_length_of :name, :maximum => 255
+ validates_length_of :description, :maximum => 255
# validates_numericality_of :latitude, :longitude
- validates_inclusion_of :public, :inserted, :in => [ true, false]
-
- belongs_to :user
- has_many :tags, :class_name => 'Tracetag', :foreign_key => 'gpx_id', :dependent => :delete_all
- has_many :points, :class_name => 'Tracepoint', :foreign_key => 'gpx_id', :dependent => :delete_all
+ validates_inclusion_of :inserted, :in => [ true, false ]
+ validates_inclusion_of :visibility, :in => ["private", "public", "trackable", "identifiable"]
def destroy
super
end
def tagstring
- return tags.collect {|tt| tt.tag}.join(" ")
+ return tags.collect {|tt| tt.tag}.join(", ")
end
def tagstring=(s)
- self.tags = s.split().collect {|tag|
- tt = Tracetag.new
- tt.tag = tag
- tt
- }
+ if s.include? ','
+ self.tags = s.split(/\s*,\s*/).select {|tag| tag !~ /^\s*$/}.collect {|tag|
+ tt = Tracetag.new
+ tt.tag = tag
+ tt
+ }
+ else
+ #do as before for backwards compatibility:
+ self.tags = s.split().collect {|tag|
+ tt = Tracetag.new
+ tt.tag = tag
+ tt
+ }
+ end
end
-
+
+ def public?
+ visibility == "public" || visibility == "identifiable"
+ end
+
+ def trackable?
+ visibility == "trackable" || visibility == "identifiable"
+ end
+
+ def identifiable?
+ visibility == "identifiable"
+ end
+
def large_picture= (data)
f = File.new(large_picture_name, "wb")
f.syswrite(data)
data
end
- # FIXME change to permanent filestore area
def large_picture_name
- "/home/osm/icons/#{id}.gif"
+ "#{GPX_IMAGE_DIR}/#{id}.gif"
end
- # FIXME change to permanent filestore area
def icon_picture_name
- "/home/osm/icons/#{id}_icon.gif"
+ "#{GPX_IMAGE_DIR}/#{id}_icon.gif"
end
def trace_name
- "/home/osm/gpx/#{id}.gpx"
+ "#{GPX_TRACE_DIR}/#{id}.gpx"
end
def mime_type
elsif zipped
mimetype = "application/x-zip"
else
- mimetype = "text/xml"
+ mimetype = "application/gpx+xml"
end
return mimetype
el1 = XML::Node.new 'gpx_file'
el1['id'] = self.id.to_s
el1['name'] = self.name.to_s
- el1['lat'] = self.latitude.to_s
- el1['lon'] = self.longitude.to_s
+ el1['lat'] = self.latitude.to_s if self.inserted
+ el1['lon'] = self.longitude.to_s if self.inserted
el1['user'] = self.user.display_name
- el1['public'] = self.public.to_s
+ el1['visibility'] = self.visibility
el1['pending'] = (!self.inserted).to_s
el1['timestamp'] = self.timestamp.xmlschema
+
+ el2 = XML::Node.new 'description'
+ el2 << self.description
+ el1 << el2
+
+ self.tags.each do |tag|
+ el2 = XML::Node.new('tag')
+ el2 << tag.tag
+ el1 << el2
+ end
+
return el1
end
- def import
+ # Read in xml as text and return it's Node object representation
+ def self.from_xml(xml, create=false)
begin
- logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
+ p = XML::Parser.string(xml)
+ doc = p.parse
- # TODO *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
- filetype = `/usr/bin/file -bz #{trace_name}`.chomp
- gzipped = filetype =~ /gzip compressed/
- bzipped = filetype =~ /bzip2 compressed/
- zipped = filetype =~ /Zip archive/
- tarred = filetype =~ /tar archive/
+ doc.find('//osm/gpx_file').each do |pt|
+ return Trace.from_xml_node(pt, create)
+ end
+
+ raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
+ rescue LibXML::XML::Error, ArgumentError => ex
+ raise OSM::APIBadXMLError.new("trace", xml, ex.message)
+ end
+ end
+
+ def self.from_xml_node(pt, create=false)
+ trace = Trace.new
+
+ raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt['visibility'].nil?
+ trace.visibility = pt['visibility']
+
+ unless create
+ raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt['id'].nil?
+ trace.id = pt['id'].to_i
+ # .to_i will return 0 if there is no number that can be parsed.
+ # We want to make sure that there is no id with zero anyway
+ raise OSM::APIBadUserInput.new("ID of trace cannot be zero when updating.") if trace.id == 0
+ end
+
+ # We don't care about the time, as it is explicitly set on create/update/delete
+ # We don't care about the visibility as it is implicit based on the action
+ # and set manually before the actual delete
+ trace.visible = true
+
+ description = pt.find('description').first
+ raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
+ trace.description = description.content
+
+ pt.find('tag').each do |tag|
+ trace.tags.build(:tag => tag.content)
+ end
+
+ return trace
+ end
+
+ def xml_file
+ # TODO *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
+ filetype = `/usr/bin/file -bz #{trace_name}`.chomp
+ gzipped = filetype =~ /gzip compressed/
+ bzipped = filetype =~ /bzip2 compressed/
+ zipped = filetype =~ /Zip archive/
+ tarred = filetype =~ /tar archive/
+
+ if gzipped or bzipped or zipped or tarred then
+ tmpfile = Tempfile.new("trace.#{id}");
if tarred and gzipped then
- filename = tempfile = "/tmp/#{rand}"
- system("tar -zxOf #{trace_name} > #{filename}")
+ system("tar -zxOf #{trace_name} > #{tmpfile.path}")
elsif tarred and bzipped then
- filename = tempfile = "/tmp/#{rand}"
- system("tar -jxOf #{trace_name} > #{filename}")
+ system("tar -jxOf #{trace_name} > #{tmpfile.path}")
elsif tarred
- filename = tempfile = "/tmp/#{rand}"
- system("tar -xOf #{trace_name} > #{filename}")
+ system("tar -xOf #{trace_name} > #{tmpfile.path}")
elsif gzipped
- filename = tempfile = "/tmp/#{rand}"
- system("gunzip -c #{trace_name} > #{filename}")
+ system("gunzip -c #{trace_name} > #{tmpfile.path}")
elsif bzipped
- filename = tempfile = "/tmp/#{rand}"
- system("bunzip2 -c #{trace_name} > #{filename}")
+ system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
elsif zipped
- filename = tempfile = "/tmp/#{rand}"
- system("unzip -p #{trace_name} > #{filename}")
- else
- filename = trace_name
+ system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path}")
end
- gpx = OSM::GPXImporter.new(filename)
+ tmpfile.unlink
- f_lat = 0
- f_lon = 0
- first = true
+ file = tmpfile.file
+ else
+ file = File.open(trace_name)
+ end
- Tracepoint.delete_all(['gpx_id = ?', self.id])
+ return file
+ end
- gpx.points do |point|
- if first
- f_lat = point['latitude']
- f_lon = point['longitude']
- end
+ def import
+ logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
- tp = Tracepoint.new
- tp.lat = point['latitude'].to_f
- tp.lng = point['longitude'].to_f
- tp.altitude = point['altitude'].to_f
- tp.timestamp = point['timestamp']
- tp.gpx_id = id
- tp.trackid = point['segment'].to_i
- tp.save!
- end
+ gpx = GPX::File.new(self.xml_file)
+
+ f_lat = 0
+ f_lon = 0
+ first = true
- if gpx.actual_points > 0
- max_lat = Tracepoint.maximum('latitude', :conditions => ['gpx_id = ?', id])
- min_lat = Tracepoint.minimum('latitude', :conditions => ['gpx_id = ?', id])
- max_lon = Tracepoint.maximum('longitude', :conditions => ['gpx_id = ?', id])
- min_lon = Tracepoint.minimum('longitude', :conditions => ['gpx_id = ?', id])
-
- max_lat = max_lat.to_f / 1000000
- min_lat = min_lat.to_f / 1000000
- max_lon = max_lon.to_f / 1000000
- min_lon = min_lon.to_f / 1000000
-
- self.latitude = f_lat
- self.longitude = f_lon
- self.large_picture = gpx.get_picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
- self.icon_picture = gpx.get_icon(min_lat, min_lon, max_lat, max_lon)
- self.size = gpx.actual_points
- self.inserted = true
- self.save!
+ # If there are any existing points for this trace then delete
+ # them - we check for existing points first to avoid locking
+ # the table in the common case where there aren't any.
+ if Tracepoint.where(:gpx_id => self.id).exists?
+ Tracepoint.delete_all(:gpx_id => self.id)
+ end
+
+ gpx.points do |point|
+ if first
+ f_lat = point.latitude
+ f_lon = point.longitude
+ first = false
end
- logger.info "done trace #{id}"
+ tp = Tracepoint.new
+ tp.lat = point.latitude
+ tp.lon = point.longitude
+ tp.altitude = point.altitude
+ tp.timestamp = point.timestamp
+ tp.gpx_id = id
+ tp.trackid = point.segment
+ tp.save!
+ end
+
+ if gpx.actual_points > 0
+ max_lat = Tracepoint.where(:gpx_id => id).maximum(:latitude)
+ min_lat = Tracepoint.where(:gpx_id => id).minimum(:latitude)
+ max_lon = Tracepoint.where(:gpx_id => id).maximum(:longitude)
+ min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
- return gpx
- ensure
- FileUtils.rm_f(tempfile) if tempfile
+ max_lat = max_lat.to_f / 10000000
+ min_lat = min_lat.to_f / 10000000
+ max_lon = max_lon.to_f / 10000000
+ min_lon = min_lon.to_f / 10000000
+
+ self.latitude = f_lat
+ self.longitude = f_lon
+ self.large_picture = gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points)
+ self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
+ self.size = gpx.actual_points
+ self.inserted = true
+ self.save!
end
+
+ logger.info "done trace #{id}"
+
+ return gpx
end
end
projects / rails.git / blobdiff