<?php
/*
* Filename.......: class_vcard.php
* Author.........: Troy Wolf [troy@troywolf.com]
* Last Modified..: 2005/07/14 13:30:00
* Description....: A class to generate vCards for contact data.
*/
class vcard {
  var $log;
  var $data;  //array of this vcard's contact data
  var $filename; //filename for download file naming
  var $class; //PUBLIC, PRIVATE, CONFIDENTIAL
  var $revision_date;
  var $card;
  
  /*
  The class constructor. You can set some defaults here if desired.
  */
  function vcard() {
    $this->log = "New vcard() called<br />";
    $this->data = array(
      "display_name"=>null
      ,"first_name"=>null
      ,"last_name"=>null
      ,"additional_name"=>null
      ,"name_prefix"=>null
      ,"name_suffix"=>null
      ,"nickname"=>null
      ,"title"=>null
      ,"role"=>null
      ,"department"=>null
      ,"company"=>null
      ,"work_po_box"=>null
      ,"work_extended_address"=>null
      ,"work_address"=>null
      ,"work_city"=>null
      ,"work_state"=>null
      ,"work_postal_code"=>null
      ,"work_country"=>null
      ,"home_po_box"=>null
      ,"home_extended_address"=>null
      ,"home_address"=>null
      ,"home_city"=>null
      ,"home_state"=>null
      ,"home_postal_code"=>null
      ,"home_country"=>null
      ,"office_tel"=>null
      ,"home_tel"=>null
      ,"cell_tel"=>null
      ,"fax_tel"=>null
      ,"pager_tel"=>null
      ,"email1"=>null
      ,"email2"=>null
      ,"url"=>null
      ,"photo"=>null
      ,"birthday"=>null
      ,"timezone"=>null
      ,"sort_string"=>null
      ,"note"=>null
      );
    return true;
  }

  /*
  build() method checks all the values, builds appropriate defaults for
  missing values, generates the vcard data string.
  */  
  function build() {
    $this->log .= "vcard build() called<br />";
    /*
    For many of the values, if they are not passed in, we set defaults or
    build them based on other values.
    */
    if (!$this->class) { $this->class = "PUBLIC"; }
    if (!$this->data['display_name']) {
      $this->data['display_name'] = trim($this->data['first_name']." ".$this->data['last_name']);
    }
    if (!$this->data['sort_string']) { $this->data['sort_string'] = $this->data['last_name']; }
    if (!$this->data['sort_string']) { $this->data['sort_string'] = $this->data['company']; }
    if (!$this->data['timezone']) { $this->data['timezone'] = date("O"); }
    if (!$this->revision_date) { $this->revision_date = date('Y-m-d H:i:s'); }
    
  	$this->card = "BEGIN:VCARD\r\n";
    $this->card .= "VERSION:3.0\r\n";
  	$this->card .= "FN:".$this->data['display_name']."\r\n";
    $this->card .= "N:"
      .$this->data['last_name'].";"
      .$this->data['first_name']."\r\n";
    if ($this->data['nickname']) { $this->card .= "NICKNAME:".$this->data['nickname']."\r\n"; }
  	if ($this->data['title']) { $this->card .= "TITLE:".$this->data['title']."\r\n"; }
  	if ($this->data['company']) { $this->card .= "ORG:".$this->data['company']; }
  	if ($this->data['department']) { $this->card .= ";".$this->data['department']; }
  	$this->card .= "\r\n";
  	
  	if ($this->data['work_po_box']
    || $this->data['work_extended_address']
    || $this->data['work_address']
    || $this->data['work_city']
    || $this->data['work_state']
    || $this->data['work_postal_code']
    || $this->data['work_country']) {
      $this->card .= "ADR;TYPE=work:"
        .$this->data['work_po_box'].";"
        .$this->data['work_extended_address'].";"
        .$this->data['work_address'].";"
        .$this->data['work_city'].";"
        .$this->data['work_state'].";"
        .$this->data['work_postal_code'].";"
        .$this->data['work_country']."\r\n";
    }
  	if ($this->data['home_po_box']
    || $this->data['home_extended_address']
    || $this->data['home_address']
    || $this->data['home_city']
    || $this->data['home_state']
    || $this->data['home_postal_code']
    || $this->data['home_country']) {
      $this->card .= "ADR;TYPE=home:"
        .$this->data['home_po_box'].";"
        .$this->data['home_extended_address'].";"
        .$this->data['home_address'].";"
        .$this->data['home_city'].";"
        .$this->data['home_state'].";"
        .$this->data['home_postal_code'].";"
        .$this->data['home_country']."\r\n";
    }
    if ($this->data['email1']) { $this->card .= "EMAIL;TYPE=internet,pref:".$this->data['email1']."\r\n"; }
    if ($this->data['email2']) { $this->card .= "EMAIL;TYPE=internet:".$this->data['email2']."\r\n"; }
    if ($this->data['office_tel']) { $this->card .= "TEL;TYPE=work,voice:".$this->data['office_tel']."\r\n"; }
    if ($this->data['home_tel']) { $this->card .= "TEL;TYPE=home,voice:".$this->data['home_tel']."\r\n"; }
    if ($this->data['cell_tel']) { $this->card .= "TEL;TYPE=cell,voice:".$this->data['cell_tel']."\r\n"; }
    if ($this->data['fax_tel']) { $this->card .= "TEL;TYPE=work,fax:".$this->data['fax_tel']."\r\n"; }
    if ($this->data['pager_tel']) { $this->card .= "TEL;TYPE=work,pager:".$this->data['pager_tel']."\r\n"; }
    if ($this->data['url']) { $this->card .= "URL;TYPE=work:".$this->data['url']."\r\n"; }
  	if ($this->data['birthday']) { $this->card .= "BDAY:".$this->data['birthday']."\r\n"; }
  	if ($this->data['role']) { $this->card .= "ROLE:".$this->data['role']."\r\n"; }
  	if ($this->data['note']) { $this->card .= "NOTE:".$this->data['note']."\r\n"; }
    $this->card .= "END:VCARD\r\n";
  }
  
  /*
  download() method streams the vcard to the browser client.
  */
  function download() {
    $this->log .= "vcard download() called<br />";
    if (!$this->card) { $this->build(); }
    if (!$this->filename) { $this->filename = trim($this->data['display_name']); }
    $this->filename = str_replace(" ", "_", $this->filename);
  	header("Content-type: text/directory");
  	header("Content-Disposition: attachment; filename=".$this->filename.".vcf");
  	header("Pragma: public");
  	echo $this->card;
    return true;
  }
}