various gpx bits

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

diff --git a/app/models/trace.rb b/app/models/trace.rb
index 014db4ae2640057ff146bf943f4a32ebcf83a04c..0d9e8861d1d8bbb4c94222a28a835270705626bd 100644 (file)
--- a/app/models/trace.rb
+++ b/app/models/trace.rb
@@ -1,11 +1,71 @@
 class Trace < ActiveRecord::Base
   set_table_name 'gpx_files'
 
+  validates_presence_of :user_id, :name, :public, :description, :timestamp
+#  validates_numericality_of :latitude, :longitude
+  validates_inclusion_of :inserted, :in => [ true, false]
+  
   belongs_to :user
+  has_many :tags, :class_name => 'Tracetag', :foreign_key => 'gpx_id', :dependent => :destroy
+  has_many :points, :class_name => 'Tracepoint', :foreign_key => 'gpx_id', :dependent => :destroy
 
-  def tags=(bleh)
+  def tagstring=(s)
+    self.tags = s.split().collect {|tag|
+      tt = Tracetag.new
+      tt.tag = tag
+      tt
+    }
+  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")
+    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
+  
+  # FIXME change to permanent filestore area
+  def large_picture_name
+    "/home/osm/icons/#{id}.gif"
+  end
+
+  # FIXME change to permanent filestore area
+  def icon_picture_name
+    "/home/osm/icons/#{id}_icon.gif"
   end
 
-  def mime_type=(bleh)
+  def to_xml_node
+    el1 = XML::Node.new 'gpx_file'
+    el1['id'] = self.id.to_s
+    el1['name'] = self.name.to_s
+    el1['lat'] = self.latitude.to_s
+    el1['lon'] = self.longitude.to_s
+    el1['user'] = self.user.display_name
+    el1['public'] = self.public.to_s
+    el1['pending'] = (!self.inserted).to_s
+    el1['timestamp'] = self.timestamp.xmlschema
+    return el1
   end
 end