modules/rsvp/rsvp_dateconnector.module

<?php
// $Id: rsvp_dateconnector.module,v 1.1.2.1 2008/12/05 06:56:59 ulf1 Exp $

class RsvpDateConnectorImpl extends RsvpConnectorImpl {

  //returns a date as int in unix form (and converted to UTC).
  function convert_date2UTCUnix($dateAsString, $timezone, $date_type)
  { 
  	//1) convert input date into DateTime 
  	$date = date_make_date($dateAsString, $timezone, $date_type);
  	
  	//2) convert DateTime into UTC
    date_timezone_set($date, timezone_open('UTC')); 	
  	
    //3) convert DateTime into Unix
    return intval(date_convert($date, DATE_OBJECT, DATE_UNIX));
  }	

  function get_datecount($node, $field) {
  	$fld = $node->$field;
  	
  	return count($fld);
  }

  //returns startdate as unix timestamp in utc 
  function get_startdate($node, $field, $pos) {    
  	$fld = $node->$field;

    $timezoneName_db = $this->get_offset_db($node, $field, $pos);
  	
    $date = $this->convert_date2UTCUnix($fld[$pos]['value'], $timezoneName_db, $fld[$pos]['date_type']);
    return $date;
  }

  //returns startdate as string in local timezone
  function get_startdateAsString($node, $field, $pos) {
  	
  	$fld = $node->$field;
    
    $timezoneName_db = $this->get_offset_db($node, $field, $pos);
    //$timezoneName_target = $this->get_offset($node, $field, $pos);

    //1) convert input date into DateTime 
    $date = date_make_date($fld[$pos]['value'], $timezoneName_db, $fld[$pos]['date_type']);
    
    //2) convert DateTime into target timezone
    $timezone_target = date_default_timezone();
    
    date_timezone_set($date, $timezone_target);     
      
    //3) convert DateTime into String
    $format = date_formatter_format('default', $field);
    $out = date_format_date($date, 'custom', $format);
    return $out;
  }
  
  //returns enddate as unix timestamp in utc
  function get_enddate($node, $field, $pos) {
  	$fld = $node->$field;
  	
  	//if no "toDate" is set, return the "StartDate" of the event instead.
  	if (!isset($fld[$pos]['value2'])) {
  	  return $this->get_startdate($node, $field, $pos);
  	}
    
  	$timezoneName_db = $this->get_offset_db($node, $field, $pos);
  	
  	
    $date = $this->convert_date2UTCUnix($fld[$pos]['value2'], $timezoneName_db, $fld[$pos]['date_type']);
    return $date;
  }
  
  //returns the position for a particular hash, or -1 if invalid hash
  function get_posByHash($node, $field, $hash) {
    $fld = $node->$field;
    
    $count = $this->get_datecount($node, $field);

    for ($i = 0; $i < $count; $i++) {
      $unixdate = $this->get_startdate($node, $field, $i);
      if ($unixdate == $hash) {
      	return $i;
      }
    }
    return -1;
  }
  
  /*
   * PRIVATE METHOD. Do not use outside. Return type is based on used connector.
   * returns time zone offset according to Date API. 
   */
  function get_offset($node, $field, $pos) {
    $fld = $node->$field;
    
    return $fld[$pos]['timezone'];
  }

  /*
   * PRIVATE METHOD. Do not use outside. Return type is based on used connector.
   * returns time zone name as date is stored in database according to Date API. 
   */
  function get_offset_db($node, $field, $pos) {
    $fld = $node->$field;
    
    return $fld[$pos]['timezone_db'];
  }
  
  function is_event_enabled($contenttype) {

    $rsvp_content_types = variable_get('rsvp_content_types', array());
    if (!isset ($rsvp_content_types[$contenttype])) {
      return false;
    }
    else {
      return true;
    }
  }
  
  function isTypesAreSelectable() {
    return true;
  }
  
  //returns true if the connector supports multiple dates per field per content-type. (e.g. Repeatable dates in Date API).
  function hasMultipleDatesPerField() {
    return true;
  }
  
  
}

function rsvp_dateconnector_getconnector() {
  return new RsvpDateConnectorImpl();  
}
1	<?php
2	// $Id: rsvp_dateconnector.module,v 1.1.2.1 2008/12/05 06:56:59 ulf1 Exp $
3
4	class RsvpDateConnectorImpl extends RsvpConnectorImpl {
5
6	//returns a date as int in unix form (and converted to UTC).
7	function convert_date2UTCUnix($dateAsString, $timezone, $date_type)
8	{
9	//1) convert input date into DateTime
10	$date = date_make_date($dateAsString, $timezone, $date_type);
11
12	//2) convert DateTime into UTC
13	date_timezone_set($date, timezone_open('UTC'));
14
15	//3) convert DateTime into Unix
16	return intval(date_convert($date, DATE_OBJECT, DATE_UNIX));
17	}
18
19	function get_datecount($node, $field) {
20	$fld = $node->$field;
21
22	return count($fld);
23	}
24
25	//returns startdate as unix timestamp in utc
26	function get_startdate($node, $field, $pos) {
27	$fld = $node->$field;
28
29	$timezoneName_db = $this->get_offset_db($node, $field, $pos);
30
31	$date = $this->convert_date2UTCUnix($fld[$pos]['value'], $timezoneName_db, $fld[$pos]['date_type']);
32	return $date;
33	}
34
35	//returns startdate as string in local timezone
36	function get_startdateAsString($node, $field, $pos) {
37
38	$fld = $node->$field;
39
40	$timezoneName_db = $this->get_offset_db($node, $field, $pos);
41	//$timezoneName_target = $this->get_offset($node, $field, $pos);
42
43	//1) convert input date into DateTime
44	$date = date_make_date($fld[$pos]['value'], $timezoneName_db, $fld[$pos]['date_type']);
45
46	//2) convert DateTime into target timezone
47	$timezone_target = date_default_timezone();
48
49	date_timezone_set($date, $timezone_target);
50
51	//3) convert DateTime into String
52	$format = date_formatter_format('default', $field);
53	$out = date_format_date($date, 'custom', $format);
54	return $out;
55	}
56
57	//returns enddate as unix timestamp in utc
58	function get_enddate($node, $field, $pos) {
59	$fld = $node->$field;
60
61	//if no "toDate" is set, return the "StartDate" of the event instead.
62	if (!isset($fld[$pos]['value2'])) {
63	return $this->get_startdate($node, $field, $pos);
64	}
65
66	$timezoneName_db = $this->get_offset_db($node, $field, $pos);
67
68
69	$date = $this->convert_date2UTCUnix($fld[$pos]['value2'], $timezoneName_db, $fld[$pos]['date_type']);
70	return $date;
71	}
72
73	//returns the position for a particular hash, or -1 if invalid hash
74	function get_posByHash($node, $field, $hash) {
75	$fld = $node->$field;
76
77	$count = $this->get_datecount($node, $field);
78
79	for ($i = 0; $i < $count; $i++) {
80	$unixdate = $this->get_startdate($node, $field, $i);
81	if ($unixdate == $hash) {
82	return $i;
83	}
84	}
85	return -1;
86	}
87
88	/*
89	* PRIVATE METHOD. Do not use outside. Return type is based on used connector.
90	* returns time zone offset according to Date API.
91	*/
92	function get_offset($node, $field, $pos) {
93	$fld = $node->$field;
94
95	return $fld[$pos]['timezone'];
96	}
97
98	/*
99	* PRIVATE METHOD. Do not use outside. Return type is based on used connector.
100	* returns time zone name as date is stored in database according to Date API.
101	*/
102	function get_offset_db($node, $field, $pos) {
103	$fld = $node->$field;
104
105	return $fld[$pos]['timezone_db'];
106	}
107
108	function is_event_enabled($contenttype) {
109
110	$rsvp_content_types = variable_get('rsvp_content_types', array());
111	if (!isset ($rsvp_content_types[$contenttype])) {
112	return false;
113	}
114	else {
115	return true;
116	}
117	}
118
119	function isTypesAreSelectable() {
120	return true;
121	}
122
123	//returns true if the connector supports multiple dates per field per content-type. (e.g. Repeatable dates in Date API).
124	function hasMultipleDatesPerField() {
125	return true;
126	}
127
128
129	}
130
131	function rsvp_dateconnector_getconnector() {
132	return new RsvpDateConnectorImpl();
133	}