Support tar archives of traces, with optional gzip or bzip2 compression.

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

diff --git a/app/models/trace.rb b/app/models/trace.rb
index 4f21c8b25e29277d3c167a55e860011232793693..ba255e85d4a6d1c15169a76497f32e490acbcc70 100644 (file)
--- a/app/models/trace.rb
+++ b/app/models/trace.rb
@@ -1,9 +1,10 @@
 class Trace < ActiveRecord::Base
   set_table_name 'gpx_files'
 
-  validates_presence_of :user_id, :name, :public, :description, :timestamp
+  validates_presence_of :user_id, :name, :timestamp
+  validates_presence_of :description, :on => :create
 #  validates_numericality_of :latitude, :longitude
-  validates_inclusion_of :inserted, :in => [ true, false]
+  validates_inclusion_of :public, :inserted, :in => [ true, false]
   
   belongs_to :user
   has_many :tags, :class_name => 'Tracetag', :foreign_key => 'gpx_id', :dependent => :delete_all
@@ -11,7 +12,13 @@ class Trace < ActiveRecord::Base
 
   def destroy
     super
-    FileUtils.rm_f(trace_name, icon_picture_name, large_picture_name)
+    FileUtils.rm_f(trace_name)
+    FileUtils.rm_f(icon_picture_name)
+    FileUtils.rm_f(large_picture_name)
+  end
+
+  def tagstring
+    return tags.collect {|tt| tt.tag}.join(" ")
   end
 
   def tagstring=(s)
@@ -83,13 +90,27 @@ class Trace < ActiveRecord::Base
       logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
 
       # TODO *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
-      filetype = `file -b #{trace_name}`.chomp
-      gzipped = filetype =~ /^gzip/
-      zipped = filetype =~ /^Zip/
+      filetype = `file -bz #{trace_name}`.chomp
+      gzipped = filetype =~ /gzip compressed/
+      bzipped = filetype =~ /bzip2 compressed/
+      zipped = filetype =~ /Zip archive/
+      tarred = filetype =~ /tar archive/
 
-      if gzipped
+      if tarred and gzipped then
+        filename = tempfile = "/tmp/#{rand}"
+        system("tar -zxOf #{trace_name} > #{filename}")
+      elsif tarred and bzipped then
+        filename = tempfile = "/tmp/#{rand}"
+        system("tar -jxOf #{trace_name} > #{filename}")
+      elsif tarred
+        filename = tempfile = "/tmp/#{rand}"
+        system("tar -xOf #{trace_name} > #{filename}")
+      elsif gzipped
         filename = tempfile = "/tmp/#{rand}"
         system("gunzip -c #{trace_name} > #{filename}")
+      elsif bzipped
+        filename = tempfile = "/tmp/#{rand}"
+        system("bunzip2 -c #{trace_name} > #{filename}")
       elsif zipped
         filename = tempfile = "/tmp/#{rand}"
         system("unzip -p #{trace_name} > #{filename}")