Enable/disable some context-menu options conditional on zoom

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

diff --git a/app/controllers/trace_controller.rb b/app/controllers/trace_controller.rb
index 6528dffde1a862328f2a139021f0af24d373850f..07a6fe21023b4c34c46cde7fa130bdaaa07d1b60 100644 (file)
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -1,336 +1,420 @@
 class TraceController < ApplicationController
 class TraceController < ApplicationController

-  layout 'site'
-
-  before_filter :authorize_web
-  before_filter :require_user, :only => [:mine, :create, :edit, :delete, :make_public]
-  before_filter :authorize, :only => [:api_details, :api_data, :api_create]
-  before_filter :check_database_availability, :except => [:api_details, :api_data, :api_create]
-  before_filter :check_read_availability, :only => [:api_details, :api_data, :api_create]
- 
+  layout "site"
+
+  skip_before_action :verify_authenticity_token, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+  before_action :authorize_web
+  before_action :set_locale
+  before_action :require_user, :only => [:mine, :create, :edit, :delete]
+  before_action :authorize, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+  before_action :check_database_readable, :except => [:api_read, :api_data]
+  before_action :check_database_writable, :only => [:create, :edit, :delete, :api_create, :api_update, :api_delete]
+  before_action :check_api_readable, :only => [:api_read, :api_data]
+  before_action :check_api_writable, :only => [:api_create, :api_update, :api_delete]
+  before_action :require_allow_read_gpx, :only => [:api_read, :api_data]
+  before_action :require_allow_write_gpx, :only => [:api_create, :api_update, :api_delete]
+  before_action :offline_warning, :only => [:mine, :view]
+  before_action :offline_redirect, :only => [:create, :edit, :delete, :data, :api_create, :api_delete, :api_data]
+  around_action :api_call_handle_error, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+

   # Counts and selects pages of GPX traces for various criteria (by user, tags, public etc.).
   #  target_user - if set, specifies the user to fetch traces for.  if not set will fetch all traces
   # Counts and selects pages of GPX traces for various criteria (by user, tags, public etc.).
   #  target_user - if set, specifies the user to fetch traces for.  if not set will fetch all traces

-  def list(target_user = nil, action = "list")
+  def list

     # from display name, pick up user id if one user's traces only
     display_name = params[:display_name]
     # from display name, pick up user id if one user's traces only
     display_name = params[:display_name]

-    if target_user.nil? and !display_name.blank?
-      target_user = User.find(:first, :conditions => [ "visible = ? and display_name = ?", true, display_name])
+    unless display_name.blank?
+      target_user = User.active.where(:display_name => display_name).first
+      if target_user.nil?
+        render_unknown_user display_name
+        return
+      end

     end
 
     # set title
     if target_user.nil?
     end
 
     # set title
     if target_user.nil?

-      @title = "Public GPS traces"
-    elsif @user and @user == target_user
-      @title = "Your GPS traces"
+      @title = t "trace.list.public_traces"
+    elsif @user && @user == target_user
+      @title = t "trace.list.your_traces"

     else
     else

-      @title = "Public GPS traces from #{target_user.display_name}"
+      @title = t "trace.list.public_traces_from", :user => target_user.display_name

     end
 
     end
 

-    @title += " tagged with #{params[:tag]}" if params[:tag]
+    @title += t "trace.list.tagged_with", :tags => params[:tag] if params[:tag]

 
     # four main cases:
     # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
     # 2 - all traces, not logged in = all public traces
 
     # four main cases:
     # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
     # 2 - all traces, not logged in = all public traces

-    # 3 - user's traces, logged in as same user = all user's traces 
+    # 3 - user's traces, logged in as same user = all user's traces

     # 4 - user's traces, not logged in as that user = all user's public traces
     if target_user.nil? # all traces
       if @user
     # 4 - user's traces, not logged in as that user = all user's public traces
     if target_user.nil? # all traces
       if @user

-        conditions = ["(gpx_files.public = ? OR gpx_files.user_id = ?)", true, @user.id] #1
+        @traces = Trace.visible_to(@user) # 1

       else
       else

-        conditions  = ["gpx_files.public = ?", true] #2
+        @traces = Trace.visible_to_all # 2

       end
     else
       end
     else

-      if @user and @user == target_user
-        conditions = ["gpx_files.user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
+      if @user && @user == target_user
+        @traces = @user.traces # 3 (check vs user id, so no join + can't pick up non-public traces by changing name)

       else
       else

-        conditions = ["gpx_files.public = ? AND gpx_files.user_id = ?", true, target_user.id] #4
+        @traces = target_user.traces.visible_to_all # 4

       end
     end
       end
     end

-    
-    if params[:tag]
-      @tag = params[:tag]

 
 

-      files = Tracetag.find_all_by_tag(params[:tag]).collect { |tt| tt.gpx_id }
-      conditions[0] += " AND gpx_files.id IN (#{files.join(',')})"
-    end
-    
-    conditions[0] += " AND gpx_files.visible = ?"
-    conditions << true
+    @traces = @traces.tagged(params[:tag]) if params[:tag]

 
 

-    @trace_pages, @traces = paginate(:traces,
-                                     :include => [:user, :tags],
-                                     :conditions => conditions,
-                                     :order => "gpx_files.timestamp DESC",
-                                     :per_page => 20)
+    @page = (params[:page] || 1).to_i
+    @page_size = 20
+
+    @traces = @traces.visible
+    @traces = @traces.order("timestamp DESC")
+    @traces = @traces.offset((@page - 1) * @page_size)
+    @traces = @traces.limit(@page_size)
+    @traces = @traces.includes(:user, :tags)

 
     # put together SET of tags across traces, for related links
 
     # put together SET of tags across traces, for related links

-    tagset = Hash.new
-    if @traces
-      @traces.each do |trace|
-        trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
-        trace.tags.each do |tag|
-          tagset[tag.tag] = tag.tag
-        end
+    tagset = {}
+    @traces.each do |trace|
+      trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
+      trace.tags.each do |tag|
+        tagset[tag.tag] = tag.tag

       end
     end
       end
     end

-    
+

     # final helper vars for view
     # final helper vars for view

-    @action = action
+    @target_user = target_user

     @display_name = target_user.display_name if target_user
     @all_tags = tagset.values
   end
 
   def mine
     @display_name = target_user.display_name if target_user
     @all_tags = tagset.values
   end
 
   def mine

-    list(@user, "mine")
+    redirect_to :action => :list, :display_name => @user.display_name

   end
 
   def view
     @trace = Trace.find(params[:id])
 
   end
 
   def view
     @trace = Trace.find(params[:id])
 

-    if @trace and @trace.visible? and
-       (@trace.public? or @trace.user == @user)
-      @title = "Viewing trace #{@trace.name}"
+    if @trace && @trace.visible? &&
+       (@trace.public? || @trace.user == @user)
+      @title = t "trace.view.title", :name => @trace.name

     else
     else

-      flash[:notice] = "Trace not found!"
-      redirect_to :controller => 'trace', :action => 'list'
+      flash[:error] = t "trace.view.trace_not_found"
+      redirect_to :controller => "trace", :action => "list"

     end
   rescue ActiveRecord::RecordNotFound
     end
   rescue ActiveRecord::RecordNotFound

-    flash[:notice] = "Trace not found!"
-    redirect_to :controller => 'trace', :action => 'list'
+    flash[:error] = t "trace.view.trace_not_found"
+    redirect_to :controller => "trace", :action => "list"

   end
 
   def create
     if params[:trace]
       logger.info(params[:trace][:gpx_file].class.name)
   end
 
   def create
     if params[:trace]
       logger.info(params[:trace][:gpx_file].class.name)

+

       if params[:trace][:gpx_file].respond_to?(:read)
       if params[:trace][:gpx_file].respond_to?(:read)

-        do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
-                  params[:trace][:description], params[:trace][:public])
+        begin
+          do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
+                    params[:trace][:description], params[:trace][:visibility])
+        rescue => ex
+          logger.debug ex
+        end

 
         if @trace.id
 
         if @trace.id

-          logger.info("id is #{@trace.id}")
-          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."
+          flash[:notice] = t "trace.create.trace_uploaded"

 
 

-          redirect_to :action => 'mine'
+          if @user.traces.where(:inserted => false).count > 4
+            flash[:warning] = t "trace.trace_header.traces_waiting", :count => @user.traces.where(:inserted => false).count
+          end
+
+          redirect_to :action => :list, :display_name => @user.display_name

         end
       else
         end
       else

-        @trace = Trace.new({:name => "Dummy",
-                            :tagstring => params[:trace][:tagstring],
-                            :description => params[:trace][:description],
-                            :public => params[:trace][:public],
-                            :inserted => false, :user => @user,
-                            :timestamp => Time.now})
+        @trace = Trace.new(:name => "Dummy",
+                           :tagstring => params[:trace][:tagstring],
+                           :description => params[:trace][:description],
+                           :visibility => params[:trace][:visibility],
+                           :inserted => false, :user => @user,
+                           :timestamp => Time.now.getutc)

         @trace.valid?
         @trace.errors.add(:gpx_file, "can't be blank")
       end
         @trace.valid?
         @trace.errors.add(:gpx_file, "can't be blank")
       end

+    else
+      @trace = Trace.new(:visibility => default_visibility)

     end
     end

+
+    @title = t "trace.create.upload_trace"

   end
 
   def data
     trace = Trace.find(params[:id])
 
   end
 
   def data
     trace = Trace.find(params[:id])
 

-    if trace.visible? and (trace.public? or (@user and @user == trace.user))
-      if request.format == Mime::XML
-        send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => Mime::XML.to_s, :disposition => 'attachment')
+    if trace.visible? && (trace.public? || (@user && @user == trace.user))
+      if Acl.no_trace_download(request.remote_ip)
+        render :text => "", :status => :forbidden
+      elsif request.format == Mime::XML
+        send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => "attachment")
+      elsif request.format == Mime::GPX
+        send_file(trace.xml_file, :filename => "#{trace.id}.gpx", :type => request.format.to_s, :disposition => "attachment")

       else
       else

-        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => "attachment")

       end
     else
       end
     else

-      render :nothing => true, :status => :not_found
+      render :text => "", :status => :not_found

     end
   rescue ActiveRecord::RecordNotFound
     end
   rescue ActiveRecord::RecordNotFound

-    render :nothing => true, :status => :not_found
+    render :text => "", :status => :not_found

   end
 
   def edit
     @trace = Trace.find(params[:id])
 
   end
 
   def edit
     @trace = Trace.find(params[:id])
 

-    if @user and @trace.user == @user
+    if !@trace.visible?
+      render :text => "", :status => :not_found
+    elsif @user.nil? || @trace.user != @user
+      render :text => "", :status => :forbidden
+    else
+      @title = t "trace.edit.title", :name => @trace.name
+

       if params[:trace]
         @trace.description = params[:trace][:description]
         @trace.tagstring = params[:trace][:tagstring]
       if params[:trace]
         @trace.description = params[:trace][:description]
         @trace.tagstring = params[:trace][:tagstring]

+        @trace.visibility = params[:trace][:visibility]

         if @trace.save
         if @trace.save

-          redirect_to :action => 'view'
-        end        
+          redirect_to :action => "view", :display_name => @user.display_name
+        end

       end
       end

-    else
-      render :nothing => true, :status => :forbidden

     end
   rescue ActiveRecord::RecordNotFound
     end
   rescue ActiveRecord::RecordNotFound

-    render :nothing => true, :status => :not_found
+    render :text => "", :status => :not_found

   end
 
   def delete
     trace = Trace.find(params[:id])
 
   end
 
   def delete
     trace = Trace.find(params[:id])
 

-    if @user and trace.user == @user
-      if request.post? and trace.visible?
-        trace.visible = false
-        trace.save
-        flash[:notice] = 'Track scheduled for deletion'
-        redirect_to :controller => 'traces', :action => 'mine'
-      else
-        render :nothing => true, :status => :bad_request
-      end
-    else
-      render :nothing => true, :status => :forbidden
-    end
-  rescue ActiveRecord::RecordNotFound
-    render :nothing => true, :status => :not_found
-  end
-
-  def make_public
-    trace = Trace.find(params[:id])
-
-    if @user and trace.user == @user
-      if request.post? and !trace.public?
-        trace.public = true
-        trace.save
-        flash[:notice] = 'Track made public'
-        redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
-      else
-        render :nothing => true, :status => :bad_request
-      end
+    if !trace.visible?
+      render :text => "", :status => :not_found
+    elsif @user.nil? || trace.user != @user
+      render :text => "", :status => :forbidden

     else
     else

-      render :nothing => true, :status => :forbidden
+      trace.visible = false
+      trace.save
+      flash[:notice] = t "trace.delete.scheduled_for_deletion"
+      redirect_to :action => :list, :display_name => @user.display_name

     end
   rescue ActiveRecord::RecordNotFound
     end
   rescue ActiveRecord::RecordNotFound

-    render :nothing => true, :status => :not_found
+    render :text => "", :status => :not_found

   end
 
   def georss
   end
 
   def georss

-    conditions = ["gpx_files.public = ?", true]
+    @traces = Trace.visible_to_all.visible

 
     if params[:display_name]
 
     if params[:display_name]

-      conditions[0] += " AND users.display_name = ?"
-      conditions << params[:display_name]
-    end
-
-    if params[:tag]
-      conditions[0] += " AND EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)"
-      conditions << params[:tag]
+      @traces = @traces.joins(:user).where(:users => { :display_name => params[:display_name] })

     end
 
     end
 

-    traces = Trace.find(:all, :include => :user, :conditions => conditions, 
-                        :order => "timestamp DESC", :limit => 20)
-
-    rss = OSM::GeoRSS.new
-
-    traces.each do |trace|
-      rss.add(trace.latitude, trace.longitude, trace.name, trace.user.display_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
-
-    render :text => rss.to_s, :content_type => "application/rss+xml"
+    @traces = @traces.tagged(params[:tag]) if params[:tag]
+    @traces = @traces.order("timestamp DESC")
+    @traces = @traces.limit(20)
+    @traces = @traces.includes(:user)

   end
 
   def picture
     trace = Trace.find(params[:id])
 
   end
 
   def picture
     trace = Trace.find(params[:id])
 

-    if trace.inserted?
-      if trace.public? or (@user and @user == trace.user)
-        send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
+    if trace.visible? && trace.inserted?
+      if trace.public? || (@user && @user == trace.user)
+        expires_in 7.days, :private => !trace.public?, :public => trace.public?
+        send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => "image/gif", :disposition => "inline")

       else
       else

-        render :nothing => true, :status => :forbidden
+        render :text => "", :status => :forbidden

       end
     else
       end
     else

-      render :nothing => true, :status => :not_found
+      render :text => "", :status => :not_found

     end
   rescue ActiveRecord::RecordNotFound
     end
   rescue ActiveRecord::RecordNotFound

-    render :nothing => true, :status => :not_found
+    render :text => "", :status => :not_found

   end
 
   def icon
     trace = Trace.find(params[:id])
 
   end
 
   def icon
     trace = Trace.find(params[:id])
 

-    if trace.inserted?
-      if trace.public? or (@user and @user == trace.user)
-        send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
+    if  trace.visible? && trace.inserted?
+      if trace.public? || (@user && @user == trace.user)
+        expires_in 7.days, :private => !trace.public?, :public => trace.public?
+        send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => "image/gif", :disposition => "inline")

       else
       else

-        render :nothing => true, :status => :forbidden
+        render :text => "", :status => :forbidden

       end
     else
       end
     else

-      render :nothing => true, :status => :not_found
+      render :text => "", :status => :not_found

     end
   rescue ActiveRecord::RecordNotFound
     end
   rescue ActiveRecord::RecordNotFound

-    render :nothing => true, :status => :not_found
+    render :text => "", :status => :not_found

   end
 
   end
 

-  def api_details
-    trace = Trace.find(params[:id])
+  def api_read
+    trace = Trace.visible.find(params[:id])

 
 

-    if trace.public? or trace.user == @user
+    if trace.public? || trace.user == @user

       render :text => trace.to_xml.to_s, :content_type => "text/xml"
     else
       render :text => trace.to_xml.to_s, :content_type => "text/xml"
     else

-      render :nothing => true, :status => :forbidden
+      render :text => "", :status => :forbidden
+    end
+  end
+
+  def api_update
+    trace = Trace.visible.find(params[:id])
+
+    if trace.user == @user
+      new_trace = Trace.from_xml(request.raw_post)
+
+      unless new_trace && new_trace.id == trace.id
+        fail OSM::APIBadUserInput.new("The id in the url (#{trace.id}) is not the same as provided in the xml (#{new_trace.id})")
+      end
+
+      trace.description = new_trace.description
+      trace.tags = new_trace.tags
+      trace.visibility = new_trace.visibility
+      trace.save!
+
+      render :text => "", :status => :ok
+    else
+      render :text => "", :status => :forbidden
+    end
+  end
+
+  def api_delete
+    trace = Trace.visible.find(params[:id])
+
+    if trace.user == @user
+      trace.visible = false
+      trace.save!
+
+      render :text => "", :status => :ok
+    else
+      render :text => "", :status => :forbidden

     end
     end

-  rescue ActiveRecord::RecordNotFound
-    render :nothing => true, :status => :not_found

   end
 
   def api_data
   end
 
   def api_data

-    trace = Trace.find(params[:id])
+    trace = Trace.visible.find(params[:id])

 
 

-    if trace.public? or trace.user == @user
-      send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+    if trace.public? || trace.user == @user
+      if request.format == Mime::XML
+        send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => "attachment")
+      elsif request.format == Mime::GPX
+        send_file(trace.xml_file, :filename => "#{trace.id}.gpx", :type => request.format.to_s, :disposition => "attachment")
+      else
+        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => "attachment")
+      end

     else
     else

-      render :nothing => true, :status => :forbidden
+      render :text => "", :status => :forbidden

     end
     end

-  rescue ActiveRecord::RecordNotFound
-    render :nothing => true, :status => :not_found

   end
 
   def api_create
   end
 
   def api_create

-    if request.post?
-      tags = params[:tags] || ""
-      description = params[:description] || ""
-      pub = params[:public] || false
-      
-      if params[:file].respond_to?(:read)
-        do_create(params[:file], tags, description, pub)
+    tags = params[:tags] || ""
+    description = params[:description] || ""
+    visibility = params[:visibility]

 
 

-        if @trace.id
-          render :text => @trace.id.to_s, :content_type => "text/plain"
-        elsif @trace.valid?
-          render :nothing => true, :status => :internal_server_error
-        else
-          render :nothing => true, :status => :bad_request
-        end
+    if visibility.nil?
+      if params[:public] && params[:public].to_i.nonzero?
+        visibility = "public"

       else
       else

-        render :nothing => true, :status => :bad_request
+        visibility = "private"
+      end
+    end
+
+    if params[:file].respond_to?(:read)
+      do_create(params[:file], tags, description, visibility)
+
+      if @trace.id
+        render :text => @trace.id.to_s, :content_type => "text/plain"
+      elsif @trace.valid?
+        render :text => "", :status => :internal_server_error
+      else
+        render :text => "", :status => :bad_request

       end
     else
       end
     else

-      render :nothing => true, :status => :method_not_allowed
+      render :text => "", :status => :bad_request

     end
   end
 
     end
   end
 

-private
+  private

 
 

-  def do_create(file, tags, description, public)
-    name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, '_')
+  def do_create(file, tags, description, visibility)
+    # Sanitise the user's filename
+    name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, "_")
+
+    # Get a temporary filename...

     filename = "/tmp/#{rand}"
 
     filename = "/tmp/#{rand}"
 

-    File.open(filename, "w") { |f| f.write(file.read) }
+    # ...and save the uploaded file to that location
+    File.open(filename, "wb") { |f| f.write(file.read) }
+
+    # Create the trace object, falsely marked as already
+    # inserted to stop the import daemon trying to load it
+    @trace = Trace.new(
+      :name => name,
+      :tagstring => tags,
+      :description => description,
+      :visibility => visibility,
+      :inserted => true,
+      :user => @user,
+      :timestamp => Time.now.getutc
+    )
+
+    Trace.transaction do
+      begin
+        # Save the trace object
+        @trace.save!
+
+        # Rename the temporary file to the final name
+        FileUtils.mv(filename, @trace.trace_name)
+      rescue StandardError
+        # Remove the file as we have failed to update the database
+        FileUtils.rm_f(filename)
+
+        # Pass the exception on
+        raise
+      end

 
 

-    @trace = Trace.new({:name => name, :tagstring => tags,
-                        :description => description, :public => public})
-    @trace.inserted = false
-    @trace.user = @user
-    @trace.timestamp = Time.now
+      begin
+        # Clear the inserted flag to make the import daemon load the trace
+        @trace.inserted = false
+        @trace.save!
+      rescue StandardError
+        # Remove the file as we have failed to update the database
+        FileUtils.rm_f(@trace.trace_name)

 
 

-    if @trace.save
-      FileUtils.mv(filename, @trace.trace_name)
-    else
-      FileUtils.rm_f(filename)
-    end
-    
-    # Finally save whether the user marked the trace as being public
-    if @trace.public?
-      if @user.trace_public_default.nil?
-        @user.preferences.create(:k => "gps.trace.public", :v => "default")
+        # Pass the exception on
+        raise

       end
       end

+    end
+
+    # Finally save the user's preferred privacy level
+    if pref = @user.preferences.where(:k => "gps.trace.visibility").first
+      pref.v = visibility
+      pref.save

     else
     else

-      pref = @user.trace_public_default
-      pref.destroy unless pref.nil?
+      @user.preferences.create(:k => "gps.trace.visibility", :v => visibility)

     end
     end

-    

   end
 
   end
 

+  def offline_warning
+    flash.now[:warning] = t "trace.offline_warning.message" if STATUS == :gpx_offline
+  end
+
+  def offline_redirect
+    redirect_to :action => :offline if STATUS == :gpx_offline
+  end
+
+  def default_visibility
+    visibility = @user.preferences.where(:k => "gps.trace.visibility").first
+
+    if visibility
+      visibility.v
+    elsif @user.preferences.where(:k => "gps.trace.public", :v => "default").first.nil?
+      "private"
+    else
+      "public"
+    end
+  end

 end
 end