X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/6ccf25b347d90b2ae7b1f2e2b5c8f042e0790a3b..0a18deef095c2142d6e152823e0673b8fe70997e:/app/controllers/trace_controller.rb

diff --git a/app/controllers/trace_controller.rb b/app/controllers/trace_controller.rb
index b4e9d7f51..8804da78a 100644
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -2,20 +2,29 @@ class TraceController < ApplicationController
   before_filter :authorize_web  
   before_filter :authorize, :only => [:api_details, :api_data, :api_create]
   layout 'site'
-  
+ 
   # 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
-  #  paging_action - the action that will be linked back to from view
-  def list (target_user = nil, paging_action = 'list')
-    @traces_per_page = 20
-    page_index = params[:page] ? params[:page].to_i - 1 : 0 # nice 1-based page -> 0-based page index
-
+  def list (target_user = nil)
     # 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 and display_name != ''
+    if target_user.nil? and !display_name.blank?
+      @display_name = display_name
+      @title += " from #{@display_name}"
       target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
     end
 
+    # set title
+    if target_user.nil?
+      @title = "public GPS traces"
+    elsif target_user.id == @user.id
+      @title = "your GPS traces"
+    else
+      @title = "public GPS traces from #{target_user.display_name}"
+    end
+
+    @title += " tagged with #{params[:tag]}" if params[:tag]
+
     opt = Hash.new
     opt[:include] = [:user, :tags] # load users and tags from db at same time as traces
 
@@ -47,18 +56,9 @@ class TraceController < ApplicationController
     end
     
     opt[:conditions] = conditions
+    opt[:per_page] = 20
 
-    # count traces using all options except limit
-    @max_trace = Trace.count(opt)
-    @max_page = Integer((@max_trace + 1) / @traces_per_page) 
-    
-    # last step before fetch - add paging options
-    opt[:limit] = @traces_per_page
-    if page_index > 0
-      opt[:offset] = @traces_per_page * page_index
-    end
-
-    @traces = Trace.find(:all , opt)
+    @trace_pages, @traces = paginate(:traces, opt)
     
     # put together SET of tags across traces, for related links
     tagset = Hash.new
@@ -74,15 +74,13 @@ class TraceController < ApplicationController
     # final helper vars for view
     @display_name = display_name
     @all_tags = tagset.values
-    @paging_action = paging_action # the action that paging requests should route back to, e.g. 'list' or 'mine'
-    @page = page_index + 1 # nice 1-based external page numbers
   end
 
   def mine
     if @user
-      list(@user, 'mine') unless @user.nil?
+      list(@user) unless @user.nil?
     else
-      redirect_to :controller => 'user', :action => 'login'
+      redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
     end
   end
 
@@ -90,40 +88,34 @@ class TraceController < ApplicationController
     @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
+  rescue ActiveRecord::RecordNotFound
+    render :nothing => true, :status => :not_found
   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], params[:trace][:public]) 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."
+
       redirect_to :action => 'mine'
-    else
-      # fixme throw an error here
-       redirect_to :action => 'mine'
-       flash[:notice] = "You haven't entered a tag or a description for yoru traces."
     end
   end
 
   def data
     trace = Trace.find(params[:id])
-    if trace.public? or (@user and @user == trace.user)
-      send_data(File.open("/tmp/#{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}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+    else
+      render :nothing, :status => :not_found
     end
   end
 
@@ -147,26 +139,55 @@ 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
 
-    response.headers["Content-Type"] = 'application/xml+rss'
-
-    render :text => rss.to_s
+    render :text => rss.to_s, :content_type => "application/rss+xml"
   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
-    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
-    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
@@ -174,28 +195,35 @@ class TraceController < ApplicationController
   end
 
   def api_create
-    #FIXME merge this code with create as they're pretty similar?
-    
+    do_create(params[:filename], params[:tags], params[:description], true) 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, public)
     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, :public => public})
     @trace.inserted = false
     @trace.user = @user
     @trace.timestamp = Time.now
 
     if @trace.save
-      saved_filename = "/tmp/#{@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
-      render :nothing => true, :status => 400 # er FIXME what fricking code to return?
+      FileUtils.rm_f(filename)
     end
-
   end
+
 end