class Trace < ActiveRecord::Base
- set_table_name 'gpx_files'
-
- 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
+ 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 :visible_to_all, -> { where(:visibility => %w(public identifiable)) }
+ scope :tagged, ->(t) { joins(:tags).where(:gpx_file_tags => { :tag => t }) }
+
+ validates :user, :presence => true, :associated => true
+ validates :name, :presence => true, :length => 1..255
+ validates :description, :presence => { :on => :create }, :length => 1..255
+ validates :timestamp, :presence => true
+ validates :visibility, :inclusion => %w(private public trackable identifiable)
def destroy
super
end
def tagstring
- return tags.collect {|tt| tt.tag}.join(", ")
+ tags.collect(&:tag).join(", ")
end
def tagstring=(s)
- if s.include?','
- self.tags = s.split(/\s*,\s*/).collect {|tag|
- tt = Tracetag.new
- tt.tag = tag
- tt
- }
- else
- self.tags = s.split().collect {|tag|
- tt = Tracetag.new
- tt.tag = tag
- tt
- }
- end
+ self.tags = if s.include? ","
+ s.split(/\s*,\s*/).select { |tag| tag !~ /^\s*$/ }.collect do |tag|
+ tt = Tracetag.new
+ tt.tag = tag
+ tt
+ end
+ else
+ # do as before for backwards compatibility:
+ s.split.collect do |tag|
+ tt = Tracetag.new
+ tt.tag = tag
+ tt
+ end
+ 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)
+
+ def large_picture=(data)
f = File.new(large_picture_name, "wb")
f.syswrite(data)
f.close
end
-
- def icon_picture= (data)
+
+ def icon_picture=(data)
f = File.new(icon_picture_name, "wb")
f.syswrite(data)
f.close
def large_picture
f = File.new(large_picture_name, "rb")
- logger.info "large picture file: '#{f.path}', bytes: #{File.size(f.path)}"
data = f.sysread(File.size(f.path))
- logger.info "have read data, bytes: '#{data.length}'"
f.close
data
end
-
+
def icon_picture
f = File.new(icon_picture_name, "rb")
- logger.info "icon picture file: '#{f.path}'"
data = f.sysread(File.size(f.path))
f.close
data
end
-
+
def large_picture_name
"#{GPX_IMAGE_DIR}/#{id}.gif"
end
gzipped = filetype =~ /gzip compressed/
bzipped = filetype =~ /bzip2 compressed/
zipped = filetype =~ /Zip archive/
+ tarred = filetype =~ /tar archive/
- if gzipped then
- mimetype = "application/x-gzip"
- elsif bzipped then
- mimetype = "application/x-bzip2"
- elsif zipped
- mimetype = "application/x-zip"
- else
- mimetype = "text/xml"
- end
-
- return mimetype
+ mimetype = if gzipped
+ "application/x-gzip"
+ elsif bzipped
+ "application/x-bzip2"
+ elsif zipped
+ "application/x-zip"
+ elsif tarred
+ "application/x-tar"
+ else
+ "application/gpx+xml"
+ end
+
+ mimetype
end
def extension_name
zipped = filetype =~ /Zip archive/
tarred = filetype =~ /tar archive/
- if tarred and gzipped then
- extension = ".tar.gz"
- elsif tarred and bzipped then
- extension = ".tar.bz2"
- elsif tarred
- extension = ".tar"
- elsif gzipped
- extension = ".gpx.gz"
- elsif bzipped
- extension = ".gpx.bz2"
- elsif zipped
- extension = ".zip"
- else
- extension = ".gpx"
- end
-
- return extension
+ extension = if tarred && gzipped
+ ".tar.gz"
+ elsif tarred && bzipped
+ ".tar.bz2"
+ elsif tarred
+ ".tar"
+ elsif gzipped
+ ".gpx.gz"
+ elsif bzipped
+ ".gpx.bz2"
+ elsif zipped
+ ".zip"
+ else
+ ".gpx"
+ end
+
+ extension
end
def to_xml
doc = OSM::API.new.get_xml_doc
- doc.root << to_xml_node()
- return doc
+ doc.root << to_xml_node
+ doc
end
def to_xml_node
- 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['user'] = self.user.display_name
- el1['public'] = self.public.to_s
- el1['pending'] = (!self.inserted).to_s
- el1['timestamp'] = self.timestamp.xmlschema
- return el1
+ el1 = XML::Node.new "gpx_file"
+ el1["id"] = id.to_s
+ el1["name"] = name.to_s
+ el1["lat"] = latitude.to_s if inserted
+ el1["lon"] = longitude.to_s if inserted
+ el1["user"] = user.display_name
+ el1["visibility"] = visibility
+ el1["pending"] = inserted ? "false" : "true"
+ el1["timestamp"] = timestamp.xmlschema
+
+ el2 = XML::Node.new "description"
+ el2 << description
+ el1 << el2
+
+ tags.each do |tag|
+ el2 = XML::Node.new("tag")
+ el2 << tag.tag
+ el1 << el2
+ end
+
+ el1
+ end
+
+ # Read in xml as text and return it's Node object representation
+ def self.from_xml(xml, create = false)
+ p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
+ doc = p.parse
+
+ 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
+
+ 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.zero?
+ 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
+
+ trace
end
def xml_file
- # TODO *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
+ # 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 gzipped || bzipped || zipped || tarred
+ tmpfile = Tempfile.new("trace.#{id}")
- if tarred and gzipped then
+ if tarred && gzipped
system("tar -zxOf #{trace_name} > #{tmpfile.path}")
- elsif tarred and bzipped then
+ elsif tarred && bzipped
system("tar -jxOf #{trace_name} > #{tmpfile.path}")
elsif tarred
system("tar -xOf #{trace_name} > #{tmpfile.path}")
elsif bzipped
system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
elsif zipped
- system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path}")
+ system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
end
tmpfile.unlink
file = File.open(trace_name)
end
- return file
+ file
end
def import
logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
- gpx = GPX::File.new(self.xml_file)
+ gpx = GPX::File.new(xml_file)
f_lat = 0
f_lon = 0
first = true
- # 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.find(:first, :conditions => ['gpx_id = ?', self.id])
- Tracepoint.delete_all(['gpx_id = ?', self.id])
- end
+ # If there are any existing points for this trace then delete them
+ Tracepoint.delete_all(:gpx_id => id)
gpx.points do |point|
if first
end
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 = 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)
max_lat = max_lat.to_f / 10000000
min_lat = min_lat.to_f / 10000000
self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
self.size = gpx.actual_points
self.inserted = true
- self.save!
+ save!
end
logger.info "done trace #{id}"
- return gpx
+ gpx
end
end
projects / rails.git / blobdiff