Refactor GPX creation routines to share common code.

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

diff --git a/app/controllers/trace_controller.rb b/app/controllers/trace_controller.rb
index 478109eb06c04e1bf990e327f49936146fb77091..2d4a26c29bcd951b07dc68cdf66a605276cce189 100644 (file)
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -7,6 +7,8 @@ class TraceController < ApplicationController
   #  target_user - if set, specifies the user to fetch traces for.  if not set will fetch all traces
   #  paging_action - the action that will be linked back to from view
   def list (target_user = nil, paging_action = 'list')
   #  target_user - if set, specifies the user to fetch traces for.  if not set will fetch all traces
   #  paging_action - the action that will be linked back to from view
   def list (target_user = nil, paging_action = 'list')

+    @title = 'public GPS traces'
+    @title += " tagged with #{params[:tag]}" if params[:tag]

     @traces_per_page = 20
     page_index = params[:page] ? params[:page].to_i - 1 : 0 # nice 1-based page -> 0-based page index
 
     @traces_per_page = 20
     page_index = params[:page] ? params[:page].to_i - 1 : 0 # nice 1-based page -> 0-based page index
 


@@ -15,6 +17,7 @@ class TraceController < ApplicationController
     if target_user.nil? and display_name and display_name != ''
       @paging_action = 'view'
       @display_name = display_name
     if target_user.nil? and display_name and display_name != ''
       @paging_action = 'view'
       @display_name = display_name

+      @title += " from #{@display_name}"

       target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
     end
 
       target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
     end
 


@@ -92,36 +95,32 @@ class TraceController < ApplicationController
     @trace = Trace.find(params[:id])
     unless @trace.public
       if @user
     @trace = Trace.find(params[:id])
     unless @trace.public
       if @user

-        render :nothing, :status => 401 if @trace.user.id != @user.id
+        render :nothing, :status => :forbidden if @trace.user.id != @user.id

       end
     end
   end
 
   def create
       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') # remove the field from the hash, because there's no such field in the DB
-    @trace = Trace.new(params[:trace])
-    @trace.inserted = false
-    @trace.user = @user
-    @trace.timestamp = Time.now
+    name = params[:trace][:gpx_file].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane

 
 

-    if @trace.save
-      saved_filename = "/home/osm/gpx/#{@trace.id}.gpx"
-      File.rename(filename, saved_filename)
+    do_create(name, params[:trace][:tagstring], params[:trace][:description]) do |f|
+      f.write(params[:trace][:gpx_file].read)
+    end

 
 

+    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."
       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."

+

       redirect_to :action => 'mine'
     end
   end
 
   def data
     trace = Trace.find(params[:id])
       redirect_to :action => 'mine'
     end
   end
 
   def data
     trace = Trace.find(params[:id])

-    if trace.public? or (@user and @user == trace.user)
-      send_data(File.open("/home/osm/gpx/#{trace.id}.gpx",'r').read , :filename => "#{trace.id}.gpx", :type => 'text/plain', :disposition => 'inline')
+    if trace and (trace.public? or (@user and @user == trace.user))
+      send_file(trace.trace_name, :filename => "#{trace.id}.gpx", :type => trace.mime_type, :disposition => 'attachment')
+    else
+      render :nothing, :status => :not_found

     end
   end
 
     end
   end
 


@@ -145,26 +144,55 @@ class TraceController < ApplicationController
       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
 
       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/rss+xml'
-
-    render :text => rss.to_s
+    render :text => rss.to_s, :content_type => "application/rss+xml"

   end
 
   def picture
   end
 
   def picture

-    trace = Trace.find(params[:id])
-    send_data(trace.large_picture, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline') if trace.public? or (@user and @user == trace.user)
+    begin
+      trace = Trace.find(params[:id])
+
+      if trace.public? or (@user and @user == trace.user)
+        send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
+      else
+        render :nothing, :status => :forbidden
+      end
+    rescue ActiveRecord::RecordNotFound
+      render :nothing => true, :status => :not_found
+    rescue
+      render :nothing => true, :status => :internal_server_error
+    end

   end
 
   def icon
   end
 
   def icon

-    trace = Trace.find(params[:id])
-    send_data(trace.icon_picture, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline') if trace.public? or (@user and @user == trace.user)
+    begin
+      trace = Trace.find(params[:id])
+
+      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')
+      else
+        render :nothing, :status => :forbidden
+      end
+    rescue ActiveRecord::RecordNotFound
+      render :nothing => true, :status => :not_found
+    rescue
+      render :nothing => true, :status => :internal_server_error
+    end

   end
 
   def api_details
   end
 
   def api_details

-    trace = Trace.find(params[:id])
-    doc = OSM::API.new.get_xml_doc
-    doc.root << trace.to_xml_node() if trace.public? or trace.user == @user
-    render :text => doc.to_s
+    begin
+      trace = Trace.find(params[:id])
+
+      if trace.public? or trace.user == @user
+        render :text => trace.to_xml.to_s, :content_type => "text/xml"
+      else
+        render :nothing => true, :status => :forbidden
+      end
+    rescue ActiveRecord::RecordNotFound
+      render :nothing => true, :status => :not_found
+    rescue
+      render :nothing => true, :status => :internal_server_error
+    end

   end
 
   def api_data
   end
 
   def api_data


@@ -172,28 +200,34 @@ class TraceController < ApplicationController
   end
 
   def api_create
   end
 
   def api_create

-    #FIXME merge this code with create as they're pretty similar?
-    
+    do_create(params[:filename], params[:tags], params[:description]) do |f|
+      f.write(request.raw_post)
+    end
+
+    if @trace.id
+      render :nothing => true
+    else
+      render :nothing => true, :status => :internal_server_error
+    end
+  end
+
+private
+
+  def do_create(name, tags, description)

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

-    File.open(filename, "w") { |f| f.write(request.raw_post) }
-    params[:trace] = {}
-    params[:trace][:name] = params[:filename]
-    params[:trace][:tagstring] = params[:tags]
-    params[:trace][:description] = params[:description]
-    @trace = Trace.new(params[:trace])
+
+    File.open(filename, "w") { |f| yield f }
+
+    @trace = Trace.new({:name => name, :tagstring => tags, :description => description})

     @trace.inserted = false
     @trace.user = @user
     @trace.timestamp = Time.now
 
     if @trace.save
     @trace.inserted = false
     @trace.user = @user
     @trace.timestamp = Time.now
 
     if @trace.save

-      saved_filename = "/home/osm/gpx/#{@trace.id}.gpx"
-      File.rename(filename, saved_filename)
-      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."
-      render :nothing => true
+      File.rename(filename, @trace.trace_name)

     else
     else

-      render :nothing => true, :status => 400 # er FIXME what fricking code to return?
+      FileUtils.rm_f(filename)

     end
     end

-

   end
   end

+

 end
 end