-class Trace < ActiveRecord::Base
+# == Schema Information
+#
+# Table name: gpx_files
+#
+# id :bigint(8) not null, primary key
+# user_id :bigint(8) not null
+# visible :boolean default(TRUE), not null
+# name :string default(""), not null
+# size :bigint(8)
+# latitude :float
+# longitude :float
+# timestamp :datetime not null
+# description :string default(""), not null
+# inserted :boolean not null
+# visibility :enum default("public"), not null
+#
+# Indexes
+#
+# gpx_files_timestamp_idx (timestamp)
+# gpx_files_user_id_idx (user_id)
+# gpx_files_visible_visibility_idx (visible,visibility)
+#
+# Foreign Keys
+#
+# gpx_files_user_id_fkey (user_id => users.id)
+#
+
+class Trace < ApplicationRecord
+ require "open3"
+
self.table_name = "gpx_files"
belongs_to :user, :counter_cache => true
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 :visible_to_all, -> { where(:visibility => %w[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 :inserted, :in => [true, false]
- validates_inclusion_of :visibility, :in => %w(private public trackable identifiable)
+ validates :user, :presence => true, :associated => true
+ validates :name, :presence => true, :length => 1..255, :characters => true
+ validates :description, :presence => { :on => :create }, :length => 1..255, :characters => true
+ validates :timestamp, :presence => true
+ validates :visibility, :inclusion => %w[private public trackable identifiable]
- def destroy
- super
- FileUtils.rm_f(trace_name)
- FileUtils.rm_f(icon_picture_name)
- FileUtils.rm_f(large_picture_name)
- end
+ after_destroy :remove_files
def tagstring
tags.collect(&:tag).join(", ")
end
def tagstring=(s)
- if s.include? ","
- self.tags = s.split(/\s*,\s*/).select { |tag| tag !~ /^\s*$/ }.collect {|tag|
- tt = Tracetag.new
- tt.tag = tag
- tt
- }
- else
- # do as before for backwards compatibility:
- self.tags = s.split.collect {|tag|
- tt = Tracetag.new
- tt.tag = tag
- tt
- }
- end
+ self.tags = if s.include? ","
+ s.split(/\s*,\s*/).reject { |tag| tag =~ /^\s*$/ }.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?
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"
+ "#{Settings.gpx_image_dir}/#{id}.gif"
end
def icon_picture_name
- "#{GPX_IMAGE_DIR}/#{id}_icon.gif"
+ "#{Settings.gpx_image_dir}/#{id}_icon.gif"
end
def trace_name
- "#{GPX_TRACE_DIR}/#{id}.gpx"
+ "#{Settings.gpx_trace_dir}/#{id}.gpx"
end
def mime_type
- filetype = `/usr/bin/file -bz #{trace_name}`.chomp
- gzipped = filetype =~ /gzip compressed/
- bzipped = filetype =~ /bzip2 compressed/
- zipped = filetype =~ /Zip archive/
+ filetype = Open3.capture2("/usr/bin/file", "-Lbz", trace_name).first.chomp
+ gzipped = filetype.include?("gzip compressed")
+ bzipped = filetype.include?("bzip2 compressed")
+ zipped = filetype.include?("Zip archive")
+ tarred = filetype.include?("tar archive")
if gzipped
- mimetype = "application/x-gzip"
+ "application/x-gzip"
elsif bzipped
- mimetype = "application/x-bzip2"
+ "application/x-bzip2"
elsif zipped
- mimetype = "application/x-zip"
+ "application/x-zip"
+ elsif tarred
+ "application/x-tar"
else
- mimetype = "application/gpx+xml"
+ "application/gpx+xml"
end
-
- mimetype
end
def extension_name
- filetype = `/usr/bin/file -bz #{trace_name}`.chomp
- gzipped = filetype =~ /gzip compressed/
- bzipped = filetype =~ /bzip2 compressed/
- zipped = filetype =~ /Zip archive/
- tarred = filetype =~ /tar archive/
+ filetype = Open3.capture2("/usr/bin/file", "-Lbz", trace_name).first.chomp
+ gzipped = filetype.include?("gzip compressed")
+ bzipped = filetype.include?("bzip2 compressed")
+ zipped = filetype.include?("Zip archive")
+ tarred = filetype.include?("tar archive")
if tarred && gzipped
- extension = ".tar.gz"
+ ".tar.gz"
elsif tarred && bzipped
- extension = ".tar.bz2"
+ ".tar.bz2"
elsif tarred
- extension = ".tar"
+ ".tar"
elsif gzipped
- extension = ".gpx.gz"
+ ".gpx.gz"
elsif bzipped
- extension = ".gpx.bz2"
+ ".gpx.bz2"
elsif zipped
- extension = ".zip"
+ ".zip"
else
- extension = ".gpx"
- end
-
- extension
- end
-
- def to_xml
- doc = OSM::API.new.get_xml_doc
- doc.root << to_xml_node
- doc
- end
-
- def to_xml_node
- 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).to_s
- 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
+ ".gpx"
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)
+ def update_from_xml(xml, create = false)
+ p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
doc = p.parse
+ pt = doc.find_first("//osm/gpx_file")
- doc.find("//osm/gpx_file").each do |pt|
- return Trace.from_xml_node(pt, create)
+ if pt
+ update_from_xml_node(pt, create)
+ else
+ raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
end
-
- fail 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)
+ rescue LibXML::XML::Error, ArgumentError => e
+ raise OSM::APIBadXMLError.new("trace", xml, e.message)
end
- def self.from_xml_node(pt, create = false)
- trace = Trace.new
+ def update_from_xml_node(pt, create = false)
+ raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
- fail OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
- trace.visibility = pt["visibility"]
+ self.visibility = pt["visibility"]
unless create
- fail OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
- trace.id = pt["id"].to_i
+ raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
+
+ 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
- fail OSM::APIBadUserInput.new("ID of trace cannot be zero when updating.") if trace.id == 0
+ raise OSM::APIBadUserInput, "ID of trace cannot be zero when updating." if id.zero?
+ raise OSM::APIBadUserInput, "The id in the url (#{self.id}) is not the same as provided in the xml (#{id})" unless self.id == id
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
+ self.visible = true
description = pt.find("description").first
- fail OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
- trace.description = description.content
+ raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
- pt.find("tag").each do |tag|
- trace.tags.build(:tag => tag.content)
- end
+ self.description = description.content
- trace
+ self.tags = pt.find("tag").collect do |tag|
+ Tracetag.new(:tag => tag.content)
+ end
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/
+ filetype = Open3.capture2("/usr/bin/file", "-Lbz", trace_name).first.chomp
+ gzipped = filetype.include?("gzip compressed")
+ bzipped = filetype.include?("bzip2 compressed")
+ zipped = filetype.include?("Zip archive")
+ tarred = filetype.include?("tar archive")
if gzipped || bzipped || zipped || tarred
- tmpfile = Tempfile.new("trace.#{id}")
+ file = Tempfile.new("trace.#{id}")
if tarred && gzipped
- system("tar -zxOf #{trace_name} > #{tmpfile.path}")
+ system("tar", "-zxOf", trace_name, :out => file.path)
elsif tarred && bzipped
- system("tar -jxOf #{trace_name} > #{tmpfile.path}")
+ system("tar", "-jxOf", trace_name, :out => file.path)
elsif tarred
- system("tar -xOf #{trace_name} > #{tmpfile.path}")
+ system("tar", "-xOf", trace_name, :out => file.path)
elsif gzipped
- system("gunzip -c #{trace_name} > #{tmpfile.path}")
+ system("gunzip", "-c", trace_name, :out => file.path)
elsif bzipped
- system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
+ system("bunzip2", "-c", trace_name, :out => file.path)
elsif zipped
- system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path}")
+ system("unzip", "-p", trace_name, "-x", "__MACOSX/*", :out => file.path, :err => "/dev/null")
end
- tmpfile.unlink
-
- file = tmpfile.file
+ file.unlink
else
file = File.open(trace_name)
end
def import
logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
- gpx = GPX::File.new(xml_file)
+ gpx = GPX::File.new(trace_name)
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.where(:gpx_id => id).exists?
- Tracepoint.delete_all(:gpx_id => id)
- end
+ # If there are any existing points for this trace then delete them
+ Tracepoint.where(:gpx_id => id).delete_all
+
+ gpx.points.each_slice(1_000) do |points|
+ # Gather the trace points together for a bulk import
+ tracepoints = []
+
+ points.each do |point|
+ if first
+ f_lat = point.latitude
+ f_lon = point.longitude
+ first = false
+ end
+
+ 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
+ tracepoints << tp
+ end
- gpx.points do |point|
- if first
- f_lat = point.latitude
- f_lon = point.longitude
- first = false
+ # Run the before_save and before_create callbacks, and then import them in bulk with activerecord-import
+ tracepoints.each do |tp|
+ tp.run_callbacks(:save) { false }
+ tp.run_callbacks(:create) { false }
end
- 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!
+ Tracepoint.import!(tracepoints)
end
- if gpx.actual_points > 0
+ if gpx.actual_points.positive?
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)
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}"
gpx
end
+
+ private
+
+ def remove_files
+ FileUtils.rm_f(trace_name)
+ FileUtils.rm_f(icon_picture_name)
+ FileUtils.rm_f(large_picture_name)
+ end
end
projects / rails.git / blobdiff