gpx rss and gpx cleanups

[rails.git] / app / controllers / trace_controller.rb

diff --git a/app/controllers/trace_controller.rb b/app/controllers/trace_controller.rb
index 0b39d52ce8b8def2d51b00494bfa4bb054309ac5..3f689fd3ae7ef33a9f9970513b4cc2b18d9d53db 100644 (file)
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -3,26 +3,64 @@ class TraceController < ApplicationController
   layout 'site'
 
   def list
-    @traces = Trace.find(:all)
+    @page = params[:page].to_i
+    if @page > 0
+      @traces = Trace.find(:all , :conditions => ['public = true'], :order => 'timestamp DESC', :offset => 20*@page, :limit => 20)
+    else
+      @traces = Trace.find(:all , :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
+    end
   end
 
-  def mine
-    @traces = Trace.find(:all, :conditions => ['user_id = ?', @user.id])
+  def view
+    @trace = Trace.find(params[:id])
+    unless @trace.public
+      if @user
+        render :nothing, :status => 401 if @trace.user.id != @user.id
+      end
+    end
   end
 
   def create
+    filename = "/tmp/#{rand}"
+
+    File.open(filename, "w") { |f| f.write(@params['trace']['gpx_file'].read) }
     @params['trace']['name'] = @params['trace']['gpx_file'].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
-    @params['trace']['data'] = @params['trace']['gpx_file'].read
-    @params['trace']['mime_type'] = @params['trace']['gpx_file'].content_type.chomp
     @params['trace'].delete('gpx_file') # let's remove the field from the hash, because there's no such field in the DB anyway.
     @trace = Trace.new(@params['trace'])
     @trace.inserted = false
     @trace.user_id = @user.id
     @trace.timestamp = Time.now
     if @trace.save
+      logger.info("id is #{@trace.id}")
+      `mv #{filename} /tmp/#{@trace.id}.gpx`
       flash[:notice] = "Your GPX file has been uploaded and is awaiting insertion in to the database. This will usually happen within half an hour, and an email will be sent to you on completion."
     end
 
     redirect_to :action => 'mine'
   end
+
+  def georss
+    traces = Trace.find(:all, :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
+
+    rss = OSM::GeoRSS.new
+
+    #def add(latitude=0, longitude=0, title_text='dummy title', url='http://www.example.com/', description_text='dummy description', timestamp=Time.now)
+    traces.each do |trace|
+      rss.add(trace.latitude, trace.longitude, trace.name, url_for({:controller => 'trace', :action => 'view', :id => trace.id, :display_name => trace.user.display_name}), "<img src='#{url_for({:controller => 'trace', :action => 'icon', :id => trace.id, :user_login => trace.user.display_name})}'> GPX file with #{trace.size} points from #{trace.user.display_name}", trace.timestamp)
+    end
+
+    response.headers["Content-Type"] = 'application/xml+rss'
+
+    render :text => rss.to_s
+  end
+
+  def picture
+    trace = Trace.find(params[:id])
+    send_data(trace.large_picture, :filename => "#{trace.id}.gif", :type => 'image/png', :disposition => 'inline') if trace.public
+  end
+
+  def icon
+    trace = Trace.find(params[:id])
+    send_data(trace.icon_picture, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline') if trace.public
+  end
 end