added a marker to show a location on the map

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

diff --git a/app/models/trace.rb b/app/models/trace.rb
index a7e19bef860f98ad227f0edddba57ec2316eba55..2ebf08e85dfed1d3bd37ad3e4666f3b1145bc9de 100644 (file)
--- a/app/models/trace.rb
+++ b/app/models/trace.rb
@@ -1,4 +1,70 @@
 class Trace < ActiveRecord::Base
   set_table_name 'gpx_files'
-  has_many :trace_points, :foreign_key => 'gpx_id'
+
+  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
+
+  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
+    "/tmp/#{id}.gif"
+  end
+
+  # FIXME change to permanent filestore area
+  def icon_picture_name
+    "/tmp/#{id}_icon.gif"
+  end
+
+  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