class TraceController < ApplicationController
+ layout 'site'
+
before_filter :authorize_web
+ before_filter :require_user, :only => [:mine, :edit, :delete, :make_public]
before_filter :authorize, :only => [:api_details, :api_data, :api_create]
- layout 'site'
+ before_filter :check_database_availability, :except => [:api_details, :api_data, :api_create]
+ before_filter :check_read_availability, :only => [:api_details, :api_data, :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
# 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 = 1 and display_name = ?", display_name])
end
# set title
if target_user.nil?
@title = "Public GPS traces"
- elsif @user and @user.id == target_user.id
+ elsif @user and @user == target_user
@title = "Your GPS traces"
else
@title = "Public GPS traces from #{target_user.display_name}"
conditions = ["gpx_files.public = 1"] #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
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 }
+ conditions[0] += " AND gpx_files.id IN (#{files.join(',')})"
end
conditions[0] += " AND gpx_files.visible = 1"
end
def mine
- if @user
- list(@user, "mine") unless @user.nil?
- else
- redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
- end
+ list(@user, "mine")
end
def view
@trace = Trace.find(params[:id])
- @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
+
+ if @trace and @trace.visible? and
+ (@trace.public? or @trace.user == @user)
+ @title = "Viewing trace #{@trace.name}"
+ else
+ flash[:notice] = "Trace not found!"
+ redirect_to :controller => 'trace', :action => 'list'
end
rescue ActiveRecord::RecordNotFound
- render :nothing => true, :status => :not_found
+ flash[:notice] = "Trace not found!"
+ redirect_to :controller => 'trace', :action => 'list'
end
def create
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
end
end
else
- render :nothing, :status => :forbidden
+ render :nothing => true, :status => :forbidden
end
rescue ActiveRecord::RecordNotFound
render :nothing => true, :status => :not_found
flash[:notice] = 'Track scheduled for deletion'
redirect_to :controller => 'traces', :action => 'mine'
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
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
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]
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
+ render :nothing => true, :status => :forbidden
end
else
render :nothing => true, :status => :not_found
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
+ render :nothing => true, :status => :forbidden
end
else
render :nothing => true, :status => :not_found
private
def do_create(file, tags, description, public)
+ # 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,
+ :public => public,
+ :inserted => true,
+ :user => @user,
+ :timestamp => Time.now
+ })
+
+ # Save the trace object
if @trace.save
+ # Rename the temporary file to the final name
FileUtils.mv(filename, @trace.trace_name)
+
+ # Clear the inserted flag to make the import daemon load the trace
+ @trace.inserted = false
+ @trace.save!
else
+ # Remove the file as we have failed to update the database
FileUtils.rm_f(filename)
end
end