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[rails.git] / app / models / trace.rb

diff --git a/app/models/trace.rb b/app/models/trace.rb
index 1a2dfc9e49a6695b10d57b1e3c97bfbdc510cf86..0b9877225b889c11d942aa1eb6f9b13feae8caec 100644 (file)
--- a/app/models/trace.rb
+++ b/app/models/trace.rb
@@ -2,11 +2,11 @@
 #
 # Table name: gpx_files
 #
 #
 # Table name: gpx_files
 #

-#  id          :integer          not null, primary key
-#  user_id     :integer          not null
+#  id          :bigint(8)        not null, primary key
+#  user_id     :bigint(8)        not null

 #  visible     :boolean          default(TRUE), not null
 #  name        :string           default(""), not null
 #  visible     :boolean          default(TRUE), not null
 #  name        :string           default(""), not null

-#  size        :integer
+#  size        :bigint(8)

 #  latitude    :float
 #  longitude   :float
 #  timestamp   :datetime         not null
 #  latitude    :float
 #  longitude   :float
 #  timestamp   :datetime         not null


@@ -25,30 +25,31 @@
 #  gpx_files_user_id_fkey  (user_id => users.id)
 #
 
 #  gpx_files_user_id_fkey  (user_id => users.id)
 #
 

-class Trace < ActiveRecord::Base
+class Trace < ApplicationRecord
+  require "open3"
+

   self.table_name = "gpx_files"
 
   belongs_to :user, :counter_cache => true
   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 }) }
 
 
   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
+  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, :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]
 
   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_save :set_filename

 
   def tagstring
     tags.collect(&:tag).join(", ")
 
   def tagstring
     tags.collect(&:tag).join(", ")


@@ -56,7 +57,7 @@ class Trace < ActiveRecord::Base
 
   def tagstring=(s)
     self.tags = if s.include? ","
 
   def tagstring=(s)
     self.tags = if s.include? ","

-                  s.split(/\s*,\s*/).reject { |tag| tag =~ /^\s*$/ }.collect do |tag|
+                  s.split(",").map(&:strip).reject(&:empty?).collect do |tag|

                     tt = Tracetag.new
                     tt.tag = tag
                     tt
                     tt = Tracetag.new
                     tt.tag = tag
                     tt


@@ -71,6 +72,18 @@ class Trace < ActiveRecord::Base
                 end
   end
 
                 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
   def public?
     visibility == "public" || visibility == "identifiable"
   end


@@ -83,136 +96,45 @@ class Trace < ActiveRecord::Base
     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
   def large_picture

-    f = File.new(large_picture_name, "rb")
-    data = f.sysread(File.size(f.path))
-    f.close
-    data
+    image.blob.download

   end
 
   def icon_picture
   end
 
   def icon_picture

-    f = File.new(icon_picture_name, "rb")
-    data = f.sysread(File.size(f.path))
-    f.close
-    data
-  end
-
-  def large_picture_name
-    "#{Settings.gpx_image_dir}/#{id}.gif"
-  end
-
-  def icon_picture_name
-    "#{Settings.gpx_image_dir}/#{id}_icon.gif"
-  end
-
-  def trace_name
-    "#{Settings.gpx_trace_dir}/#{id}.gpx"
+    icon.blob.download

   end
 
   def mime_type
   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
+    file.content_type

   end
 
   def extension_name
   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
-  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 ? "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
+    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

-
-    el1

   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
     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
     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
 
   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"]
     raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
 
     self.visibility = pt["visibility"]


@@ -243,104 +165,123 @@ class Trace < ActiveRecord::Base
   end
 
   def xml_file
   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
+    file.open do |tracefile|
+      filetype = Open3.capture2("/usr/bin/file", "-Lbz", tracefile.path).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", tracefile.path, :out => file.path)
+        elsif tarred && bzipped
+          system("tar", "-jxOf", tracefile.path, :out => file.path)
+        elsif tarred
+          system("tar", "-xOf", tracefile.path, :out => file.path)
+        elsif gzipped
+          system("gunzip", "-c", tracefile.path, :out => file.path)
+        elsif bzipped
+          system("bunzip2", "-c", tracefile.path, :out => file.path)
+        elsif zipped
+          system("unzip", "-p", tracefile.path, "-x", "__MACOSX/*", :out => file.path, :err => "/dev/null")
+        end

 
 

-      tmpfile.unlink
+        file.unlink
+      else
+        file = File.open(tracefile.path)
+      end

 
 

-      file = tmpfile.file
-    else
-      file = File.open(trace_name)
+      file

     end
     end

-
-    file

   end
 
   def import
     logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
 
   end
 
   def import
     logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
 

-    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
-    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 = []
+    file.open do |file|
+      gpx = GPX::File.new(file.path)
+
+      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
 
         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
 
       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
 
       end
 

-      Tracepoint.import!(tracepoints)
-    end
+      logger.info "done trace #{id}"

 
 

-    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!
+      gpx

     end
     end

+  end

 
 

-    logger.info "done trace #{id}"
+  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

 
 

-    gpx
+  def set_filename
+    file.blob.update(:filename => "#{id}#{extension_name}") if file.attached?

   end
 end
   end
 end