Require open3 before using it

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

diff --git a/app/models/trace.rb b/app/models/trace.rb
index af2c0af3bc1c4aa5cee88c446a83b885d129d1f2..5496bec45977f71e9d0d83aad5a3198b71f50ac0 100644 (file)
--- a/app/models/trace.rb
+++ b/app/models/trace.rb
@@ -25,7 +25,9 @@
 #  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
@@ -43,12 +45,7 @@ class Trace < ActiveRecord::Base
   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(", ")
@@ -122,7 +119,7 @@ class Trace < ActiveRecord::Base
   end
 
   def mime_type
-    filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
+    filetype = Open3.capture2("/usr/bin/file", "-Lbz", trace_name).first.chomp
     gzipped = filetype =~ /gzip compressed/
     bzipped = filetype =~ /bzip2 compressed/
     zipped = filetype =~ /Zip archive/
@@ -144,7 +141,7 @@ class Trace < ActiveRecord::Base
   end
 
   def extension_name
-    filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp
+    filetype = Open3.capture2("/usr/bin/file", "-Lbz", trace_name).first.chomp
     gzipped = filetype =~ /gzip compressed/
     bzipped = filetype =~ /bzip2 compressed/
     zipped = filetype =~ /Zip archive/
@@ -169,36 +166,6 @@ class Trace < ActiveRecord::Base
     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
-    end
-
-    el1
-  end
-
   def update_from_xml(xml, create = false)
     p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
     doc = p.parse
@@ -243,33 +210,30 @@ class Trace < ActiveRecord::Base
   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
+    filetype = Open3.capture2("/usr/bin/file", "-Lbz", trace_name).first.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}")
+      file = Tempfile.new("trace.#{id}")
 
       if tarred && gzipped
-        system("tar -zxOf #{trace_name} > #{tmpfile.path}")
+        system("tar -zxOf #{trace_name} > #{file.path}")
       elsif tarred && bzipped
-        system("tar -jxOf #{trace_name} > #{tmpfile.path}")
+        system("tar -jxOf #{trace_name} > #{file.path}")
       elsif tarred
-        system("tar -xOf #{trace_name} > #{tmpfile.path}")
+        system("tar -xOf #{trace_name} > #{file.path}")
       elsif gzipped
-        system("gunzip -c #{trace_name} > #{tmpfile.path}")
+        system("gunzip -c #{trace_name} > #{file.path}")
       elsif bzipped
-        system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
+        system("bunzip2 -c #{trace_name} > #{file.path}")
       elsif zipped
-        system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
+        system("unzip -p #{trace_name} -x '__MACOSX/*' > #{file.path} 2> /dev/null")
       end
 
-      tmpfile.unlink
-
-      file = tmpfile.file
+      file.unlink
     else
       file = File.open(trace_name)
     end
@@ -280,7 +244,7 @@ class Trace < ActiveRecord::Base
   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
@@ -343,4 +307,12 @@ class Trace < ActiveRecord::Base
 
     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