X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/4424cd5b947432848fe7f5bc7518fd1b718ecf6c..aa61dfb1aeff536d8b58b42e20b1d61a3d49c609:/app/controllers/trace_controller.rb

diff --git a/app/controllers/trace_controller.rb b/app/controllers/trace_controller.rb
index 3bb0d3323..3c16b9a80 100644
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -1,60 +1,95 @@
 class TraceController < ApplicationController
-  before_filter :authorize_web  
-  before_filter :authorize, :only => [:api_details, :api_data, :api_create]
   layout 'site'
- 
+
+  before_filter :authorize_web
+  before_filter :set_locale
+  before_filter :require_user, :only => [:mine, :create, :edit, :delete]
+  before_filter :authorize, :only => [:api_details, :api_data, :api_create]
+  before_filter :check_database_readable, :except => [:api_details, :api_data, :api_create]
+  before_filter :check_database_writable, :only => [:create, :edit, :delete]
+  before_filter :check_api_readable, :only => [:api_details, :api_data]
+  before_filter :check_api_writable, :only => [:api_create]
+  before_filter :require_allow_read_gpx, :only => [:api_details, :api_data]
+  before_filter :require_allow_write_gpx, :only => [:api_create]
+  before_filter :offline_warning, :only => [:mine, :view]
+  before_filter :offline_redirect, :only => [:create, :edit, :delete, :data, :api_data, :api_create]
+  around_filter :api_call_handle_error, :only => [:api_details, :api_data, :api_create]
+
+  caches_action :list, :unless => :logged_in?, :layout => false
+  caches_action :view, :layout => false
+  caches_action :georss, :layout => true
+  cache_sweeper :trace_sweeper, :only => [:create, :edit, :delete, :api_create]
+  cache_sweeper :tracetag_sweeper, :only => [:create, :edit, :delete, :api_create]
+
   # 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")
     # 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 => [ "display_name = ?", display_name])
+      target_user = User.find(:first, :conditions => [ "visible = ? and display_name = ?", true, display_name])
+      if target_user.nil?
+        @title = t'trace.no_such_user.title'
+        @not_found_user = display_name
+        render :action => 'no_such_user', :status => :not_found
+        return
+      end
     end
 
     # set title
     if target_user.nil?
-      @title = "Public GPS traces"
-    elsif @user and @user.id == target_user.id
-      @title = "Your GPS traces"
+      @title = t 'trace.list.public_traces'
+    elsif @user and @user == target_user
+      @title = t 'trace.list.your_traces'
     else
-      @title = "Public GPS traces from #{target_user.display_name}"
+      @title = t 'trace.list.public_traces_from', :user => target_user.display_name
     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
-    # 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
-        conditions = ["(gpx_files.public = 1 OR gpx_files.user_id = ?)", @user.id] #1
+        conditions = ["(gpx_files.visibility in ('public', 'identifiable') OR gpx_files.user_id = ?)", @user.id] #1
       else
-        conditions  = ["gpx_files.public = 1"] #2
+        conditions  = ["gpx_files.visibility in ('public', 'identifiable')"] #2
       end
     else
-      if @user and @user.id == target_user.id
+      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)
       else
-        conditions = ["gpx_files.public = 1 AND gpx_files.user_id = ?", target_user.id] #4
+        conditions = ["gpx_files.visibility in ('public', 'identifiable') AND gpx_files.user_id = ?", target_user.id] #4
       end
     end
-    
+
     if params[:tag]
       @tag = params[:tag]
-      conditions[0] += " AND EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)"
-      conditions << @tag
+
+      files = Tracetag.find_all_by_tag(params[:tag]).collect { |tt| tt.gpx_id }
+
+      if files.length > 0
+        conditions[0] += " AND gpx_files.id IN (#{files.join(',')})"
+      else
+        conditions[0] += " AND 0 = 1"
+      end
     end
-    
-    conditions[0] += " AND gpx_files.visible = 1"
 
-    @trace_pages, @traces = paginate(:traces,
-                                     :include => [:user, :tags],
-                                     :conditions => conditions,
-                                     :order => "gpx_files.timestamp DESC",
-                                     :per_page => 20)
+    conditions[0] += " AND gpx_files.visible = ?"
+    conditions << true
+
+    @page = (params[:page] || 1).to_i
+    @page_size = 20
+
+    @traces = Trace.find(:all,
+                         :include => [:user, :tags],
+                         :conditions => conditions,
+                         :order => "gpx_files.timestamp DESC",
+                         :offset => (@page - 1) * @page_size,
+                         :limit => @page_size)
 
     # put together SET of tags across traces, for related links
     tagset = Hash.new
@@ -66,63 +101,62 @@ class TraceController < ApplicationController
         end
       end
     end
-    
+
     # final helper vars for view
     @action = action
     @display_name = target_user.display_name if target_user
     @all_tags = tagset.values
+    @trace = Trace.new(:visibility => default_visibility) if @user
   end
 
   def mine
-    if @user
-      list(@user, "mine") unless @user.nil?
-    else
-      redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
-    end
+    redirect_to :action => :list, :display_name => @user.display_name
   end
 
   def view
     @trace = Trace.find(params[:id])
 
-    unless @trace
-      flash[:notice] = "OH NOES! Trace not found!"
+    if @trace and @trace.visible? and
+       (@trace.public? or @trace.user == @user)
+      @title = t 'trace.view.title', :name => @trace.name
+    else
+      flash[:error] = t 'trace.view.trace_not_found'
       redirect_to :controller => 'trace', :action => 'list'
-      return
-    end
-
-    @title = "Viewing trace #{@trace.name}"
-    if !@trace.visible?
-      render :nothing => true, :status => :not_found
-    elsif !@trace.public? and @trace.user.id != @user.id
-      render :nothing => true, :status => :forbidden
     end
   rescue ActiveRecord::RecordNotFound
-    flash[:notice] = "GPX file not found"
+    flash[:error] = t 'trace.view.trace_not_found'
     redirect_to :controller => 'trace', :action => 'list'
   end
 
   def create
-    logger.info(params[:trace][:gpx_file].class.name)
-    if params[:trace][:gpx_file].respond_to?(:read)
-      do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
-                params[:trace][:description], params[:trace][:public])
+    if params[:trace]
+      logger.info(params[:trace][:gpx_file].class.name)
+      if params[:trace][:gpx_file].respond_to?(:read)
+        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
-        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."
+        if @trace.id
+          logger.info("id is #{@trace.id}")
+          flash[:notice] = t 'trace.create.trace_uploaded'
 
-        redirect_to :action => 'mine'
+          redirect_to :action => 'mine'
+        end
+      else
+        @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
-    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.valid?
-      @trace.errors.add(:gpx_file, "can't be blank")
     end
+    @title = t 'trace.create.upload_trace'
   end
 
   def data
@@ -135,7 +169,7 @@ class TraceController < ApplicationController
         send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
       end
     else
-      render :nothing, :status => :not_found
+      render :nothing => true, :status => :not_found
     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found
@@ -145,15 +179,17 @@ class TraceController < ApplicationController
     @trace = Trace.find(params[:id])
 
     if @user and @trace.user == @user
+      @title = t 'trace.edit.title', :name => @trace.name
       if params[:trace]
         @trace.description = params[:trace][:description]
         @trace.tagstring = params[:trace][:tagstring]
+        @trace.visibility = params[:trace][:visibility]
         if @trace.save
           redirect_to :action => 'view'
-        end        
+        end
       end
     else
-      render :nothing, :status => :forbidden
+      render :nothing => true, :status => :forbidden
     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found
@@ -166,39 +202,20 @@ class TraceController < ApplicationController
       if request.post? and trace.visible?
         trace.visible = false
         trace.save
-        flash[:notice] = 'Track scheduled for deletion'
+        flash[:notice] = t 'trace.delete.scheduled_for_deletion'
         redirect_to :controller => 'traces', :action => 'mine'
       else
-        render :nothing, :status => :bad_request
-      end
-    else
-      render :nothing, :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, :status => :bad_request
+        render :nothing => true, :status => :bad_request
       end
     else
-      render :nothing, :status => :forbidden
+      render :nothing => true, :status => :forbidden
     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found
   end
 
   def georss
-    conditions = ["gpx_files.public = 1"]
+    conditions = ["gpx_files.visibility in ('public', 'identifiable')"]
 
     if params[:display_name]
       conditions[0] += " AND users.display_name = ?"
@@ -210,13 +227,13 @@ class TraceController < ApplicationController
       conditions << params[:tag]
     end
 
-    traces = Trace.find(:all, :include => :user, :conditions => conditions, 
+    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)
+      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, :display_name => 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"
@@ -227,9 +244,10 @@ class TraceController < ApplicationController
 
     if trace.inserted?
       if trace.public? or (@user and @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
-        render :nothing, :status => :forbidden
+        render :nothing => true, :status => :forbidden
       end
     else
       render :nothing => true, :status => :not_found
@@ -243,9 +261,10 @@ class TraceController < ApplicationController
 
     if trace.inserted?
       if trace.public? or (@user and @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
-        render :nothing, :status => :forbidden
+        render :nothing => true, :status => :forbidden
       end
     else
       render :nothing => true, :status => :not_found
@@ -280,12 +299,28 @@ class TraceController < ApplicationController
 
   def api_create
     if request.post?
-      do_create(params[:file], params[:tags], params[:description], params[:public])
+      tags = params[:tags] || ""
+      description = params[:description] || ""
+      visibility = params[:visibility]
+
+      if visibility.nil?
+        if params[:public] && params[:public].to_i.nonzero?
+          visibility = "public"
+        else
+          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 :nothing => true, :status => :internal_server_error
+        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
       else
         render :nothing => true, :status => :bad_request
       end
@@ -294,24 +329,85 @@ class TraceController < ApplicationController
     end
   end
 
-  private
+private
 
-  def do_create(file, tags, description, public)
+  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}"
 
+    # ...and save the uploaded file to that location
     File.open(filename, "w") { |f| f.write(file.read) }
 
-    @trace = Trace.new({:name => name, :tagstring => tags,
-                       :description => description, :public => public})
-    @trace.inserted = false
-    @trace.user = @user
-    @trace.timestamp = Time.now
+    # 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 Exception => ex
+        # Remove the file as we have failed to update the database
+        FileUtils.rm_f(filename)
+
+        # Pass the exception on
+        raise
+      end
+
+      begin
+        # Clear the inserted flag to make the import daemon load the trace
+        @trace.inserted = false
+        @trace.save!
+      rescue Exception => ex
+        # Remove the file as we have failed to update the database
+        FileUtils.rm_f(@trace.trace_name)
+
+        # Pass the exception on
+        raise
+      end
+    end
+
+    # Finally save the user's preferred privacy level
+    if pref = @user.preferences.find(:first, :conditions => {:k => "gps.trace.visibility"})
+      pref.v = visibility
+      pref.save
+    else
+      @user.preferences.create(:k => "gps.trace.visibility", :v => visibility)
+    end
+
+  end
+
+  def offline_warning
+    flash.now[:warning] = t 'trace.offline_warning.message' if OSM_STATUS == :gpx_offline
+  end
+
+  def offline_redirect
+    redirect_to :action => :offline if OSM_STATUS == :gpx_offline
+  end
+
+  def default_visibility
+    visibility = @user.preferences.find(:first, :conditions => {:k => "gps.trace.visibility"})
 
-    if @trace.save
-      FileUtils.mv(filename, @trace.trace_name)
+    if visibility
+      visibility.v
+    elsif @user.preferences.find(:first, :conditions => {:k => "gps.trace.public", :v => "default"}).nil?
+      "private"
     else
-      FileUtils.rm_f(filename)
+      "public"
     end
   end