<?php
  /**
   * Copyright (c) 2011-2012 Thomas Tanghus <thomas@tanghus.net>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  
  OCP\User::checkLoggedIn();
  OCP\App::checkAppEnabled('contacts');
  $bookid = isset($_GET['bookid']) ? $_GET['bookid'] : null;
  $contactid = isset($_GET['contactid']) ? $_GET['contactid'] : null;
  $selectedids = isset($_GET['selectedids']) ? $_GET['selectedids'] : null;
  $nl = "
  ";
  if(!is_null($bookid)) {
  	try {
  		$addressbook = OCA\Contacts\Addressbook::find($bookid);
  	} catch(Exception $e) {
  		OCP\JSON::error(
  			array(
  				'data' => array(
  					'message' => $e->getMessage(),
  				)
  			)
  		);
  		exit();
  	}
  
  	header('Content-Type: text/directory');
  	header('Content-Disposition: inline; filename='
  		. str_replace(' ', '_', $addressbook['displayname']) . '.vcf');
  
  	$start = 0;
  	$batchsize = OCP\Config::getUserValue(OCP\User::getUser(),
  		'contacts',
  		'export_batch_size', 20);
  	while($cardobjects = OCA\Contacts\VCard::all($bookid, $start, $batchsize, array('carddata'))) {
  		foreach($cardobjects as $card) {
  			echo $card['carddata'] . $nl;
  		}
  		$start += $batchsize;
  	}
  } elseif(!is_null($contactid)) {
  	try {
  		$data = OCA\Contacts\VCard::find($contactid);
  	} catch(Exception $e) {
  		OCP\JSON::error(
  			array(
  				'data' => array(
  					'message' => $e->getMessage(),
  				)
  			)
  		);
  		exit();
  	}
  	header('Content-Type: text/vcard');
  	header('Content-Disposition: inline; filename='
  		. str_replace(' ', '_', $data['fullname']) . '.vcf');
  	echo $data['carddata'];
  } elseif(!is_null($selectedids)) {
  	$selectedids = explode(',', $selectedids);
  	$l10n = \OC_L10N::get('contacts');
  	header('Content-Type: text/directory');
  	header('Content-Disposition: inline; filename=' 
  		. $l10n->t('%d_selected_contacts', array(count($selectedids))) . '.vcf');
  		
  	foreach($selectedids as $id) {
  		try {
  			$data = OCA\Contacts\VCard::find($id);
  			echo $data['carddata'] . $nl;
  		} catch(Exception $e) {
  			continue;
  		}
  	}
  }