#
class Trace < ApplicationRecord
+ require "open3"
+
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
+ has_many :tags, :class_name => "Tracetag", :foreign_key => "gpx_id", :dependent => :delete_all, :inverse_of => :trace
+ has_many :points, :class_name => "Tracepoint", :foreign_key => "gpx_id", :dependent => :delete_all, :inverse_of => :trace
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 }) }
+ has_one_attached :file, :service => Settings.trace_file_storage
+ has_one_attached :image, :service => Settings.trace_image_storage
+ has_one_attached :icon, :service => Settings.trace_icon_storage
+
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 :visibility, :inclusion => %w[private public trackable identifiable]
after_destroy :remove_files
+ after_save :set_filename
def tagstring
tags.collect(&:tag).join(", ")
def tagstring=(s)
self.tags = if s.include? ","
- s.split(/\s*,\s*/).reject { |tag| tag =~ /^\s*$/ }.collect do |tag|
+ s.split(/\s*,\s*/).grep_v(/^\s*$/).collect do |tag|
tt = Tracetag.new
tt.tag = tag
tt
end
end
+ def file=(attachable)
+ case attachable
+ when ActionDispatch::Http::UploadedFile, Rack::Test::UploadedFile
+ super(:io => attachable,
+ :filename => attachable.original_filename,
+ :content_type => content_type(attachable.path),
+ :identify => false)
+ else
+ super(attachable)
+ end
+ end
+
def public?
visibility == "public" || visibility == "identifiable"
end
visibility == "identifiable"
end
- def large_picture=(data)
- f = File.new(large_picture_name, "wb")
- f.syswrite(data)
- f.close
- end
-
- def icon_picture=(data)
- f = File.new(icon_picture_name, "wb")
- f.syswrite(data)
- f.close
- end
-
def large_picture
- f = File.new(large_picture_name, "rb")
- data = f.sysread(File.size(f.path))
- f.close
+ if image.attached?
+ data = image.blob.download
+ else
+ f = File.new(large_picture_name, "rb")
+ data = f.sysread(File.size(f.path))
+ f.close
+ end
+
data
end
def icon_picture
- f = File.new(icon_picture_name, "rb")
- data = f.sysread(File.size(f.path))
- f.close
+ if icon.attached?
+ data = icon.blob.download
+ else
+ f = File.new(icon_picture_name, "rb")
+ data = f.sysread(File.size(f.path))
+ f.close
+ end
+
data
end
end
def mime_type
- filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
- gzipped = filetype =~ /gzip compressed/
- bzipped = filetype =~ /bzip2 compressed/
- zipped = filetype =~ /Zip archive/
- tarred = filetype =~ /tar archive/
-
- 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
+ if file.attached?
+ file.content_type
+ else
+ content_type(trace_name)
+ end
end
def extension_name
- filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
- gzipped = filetype =~ /gzip compressed/
- bzipped = filetype =~ /bzip2 compressed/
- zipped = filetype =~ /Zip archive/
- tarred = filetype =~ /tar archive/
-
- 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
+ case mime_type
+ when "application/x-tar+gzip" then ".tar.gz"
+ when "application/x-tar+x-bzip2" then ".tar.bz2"
+ when "application/x-tar" then ".tar"
+ when "application/zip" then ".zip"
+ when "application/gzip" then ".gpx.gz"
+ when "application/x-bzip2" then ".gpx.bz2"
+ else ".gpx"
+ end
end
- def update_from_xml(xml, create = false)
+ 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 update_from_xml_node(pt, create)
+ if pt
+ update_from_xml_node(pt, :create => create)
+ else
+ raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
end
-
- raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
rescue LibXML::XML::Error, ArgumentError => e
raise OSM::APIBadXMLError.new("trace", xml, e.message)
end
- def update_from_xml_node(pt, create = false)
+ def update_from_xml_node(pt, create: false)
raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
self.visibility = pt["visibility"]
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 -Lbz #{trace_name}`.chomp
- gzipped = filetype =~ /gzip compressed/
- bzipped = filetype =~ /bzip2 compressed/
- zipped = filetype =~ /Zip archive/
- tarred = filetype =~ /tar archive/
-
- if gzipped || bzipped || zipped || tarred
- tmpfile = Tempfile.new("trace.#{id}")
-
- if tarred && gzipped
- system("tar -zxOf #{trace_name} > #{tmpfile.path}")
- elsif tarred && bzipped
- system("tar -jxOf #{trace_name} > #{tmpfile.path}")
- elsif tarred
- system("tar -xOf #{trace_name} > #{tmpfile.path}")
- elsif gzipped
- system("gunzip -c #{trace_name} > #{tmpfile.path}")
- elsif bzipped
- system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
- elsif zipped
- system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
- end
+ with_trace_file do |trace_name|
+ 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
+ file = Tempfile.new("trace.#{id}")
+
+ if tarred && gzipped
+ system("tar", "-zxOf", trace_name, :out => file.path)
+ elsif tarred && bzipped
+ system("tar", "-jxOf", trace_name, :out => file.path)
+ elsif tarred
+ system("tar", "-xOf", trace_name, :out => file.path)
+ elsif gzipped
+ system("gunzip", "-c", trace_name, :out => file.path)
+ elsif bzipped
+ system("bunzip2", "-c", trace_name, :out => file.path)
+ elsif zipped
+ system("unzip", "-p", trace_name, "-x", "__MACOSX/*", :out => file.path, :err => "/dev/null")
+ end
- tmpfile.unlink
+ file.unlink
+ else
+ file = File.open(trace_name)
+ end
- file = tmpfile.file
- else
- file = File.open(trace_name)
+ file
end
-
- file
end
def import
logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
- 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
- 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 = []
+ with_trace_file do |trace_name|
+ 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
+ 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
- points.each 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
- tracepoints << tp
+ Tracepoint.import!(tracepoints)
end
- # 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 }
+ 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)
+ min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
+
+ 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
+ image.attach(:io => gpx.picture(min_lat, min_lon, max_lat, max_lon, gpx.actual_points), :filename => "#{id}.gif", :content_type => "image/gif")
+ icon.attach(:io => gpx.icon(min_lat, min_lon, max_lat, max_lon), :filename => "#{id}_icon.gif", :content_type => "image/gif")
+ self.size = gpx.actual_points
+ self.inserted = true
+ save!
end
- Tracepoint.import!(tracepoints)
+ logger.info "done trace #{id}"
+
+ gpx
end
+ end
- 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)
- min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
-
- 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
- save!
+ def migrate_to_storage!
+ file.attach(:io => File.open(trace_name),
+ :filename => name,
+ :content_type => content_type(trace_name),
+ :identify => false)
+
+ if inserted
+ image.attach(:io => File.open(large_picture_name),
+ :filename => "#{id}.gif",
+ :content_type => "image/gif")
+ icon.attach(:io => File.open(icon_picture_name),
+ :filename => "#{id}_icon.gif",
+ :content_type => "image/gif")
end
- logger.info "done trace #{id}"
+ save!
- gpx
+ remove_files
end
private
+ def content_type(file)
+ case Open3.capture2("/usr/bin/file", "-Lbz", file).first.chomp
+ when /.*\btar archive\b.*\bgzip\b/ then "application/x-tar+gzip"
+ when /.*\btar archive\b.*\bbzip2\b/ then "application/x-tar+x-bzip2"
+ when /.*\btar archive\b/ then "application/x-tar"
+ when /.*\bZip archive\b/ then "application/zip"
+ when /.*\bXML\b.*\bgzip\b/ then "application/gzip"
+ when /.*\bXML\b.*\bbzip2\b/ then "application/x-bzip2"
+ else "application/gpx+xml"
+ end
+ end
+
+ def with_trace_file
+ if file.attached?
+ file.open do |file|
+ yield file.path
+ end
+ else
+ yield trace_name
+ end
+ end
+
+ def set_filename
+ file.blob.update(:filename => "#{id}#{extension_name}") if file.attached?
+ end
+
def remove_files
FileUtils.rm_f(trace_name)
FileUtils.rm_f(icon_picture_name)
projects / rails.git / blobdiff