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 7420ea52d42c8c93799b94a64d188e12a2994d46..3f689fd3ae7ef33a9f9970513b4cc2b18d9d53db 100644 (file)
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -1,2 +1,66 @@
 class TraceController < ApplicationController
+  before_filter :authorize_web  
+  layout 'site'
+
+  def list
+    @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 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'].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