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
+ @title = 'public GPS traces'
+ @title += " tagged with #{params[:tag]}" if params[:tag]
page_index = params[:page] ? params[:page].to_i - 1 : 0 # nice 1-based page -> 0-based page index
# 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 != ''
+ @paging_action = 'view'
+ @display_name = display_name
+ @title += " from #{@display_name}"
target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
end
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
# 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
+## @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?
else
- redirect_to :controller => 'user', :action => 'login'
+ redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
end
end
@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
- 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 = "/tmp/#{@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'
+ end
+ end
+
+ def data
+ trace = Trace.find(params[:id])
+ 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 :action => 'mine'
+ render :nothing, :status => :not_found
+ end
+ end
+
+ def make_public
+ trace = Trace.find(params[:id])
+ if @user and trace.user == @user and !trace.public
+ trace.public = true
+ trace.save
+ flash[:notice] = 'Track made public'
+ redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
end
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/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
+ 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
+ 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
+ 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
+ render :action => 'data'
+ end
+
+ def api_create
+ 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| 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
+ File.rename(filename, @trace.trace_name)
+ else
+ FileUtils.rm_f(filename)
+ end
+ end
+
end
projects / rails.git / blobdiff