/includes/adodb_lite/adodbSQL_drivers/postgres7/postgres7_date_module.inc

http://pacercms.googlecode.com/ · PHP · 316 lines · 269 code · 33 blank · 14 comment · 51 complexity · 018943a7fc291bda99e9f0ab7755c14c MD5 · raw file 

    

  1. <?php

    2. 

  2. /**

    3. 

  3.  * ADOdb Lite Date Module for Postgres 7

    4. 

  4.  * 

    5. 

  5.  */

    6. 

  6. 

    7. 

  7. if (!defined('TIMESTAMP_FIRST_YEAR')) define('TIMESTAMP_FIRST_YEAR',100);

    8. 

  8. 

    9. 

  9. @include(ADODB_DIR . '/adodb-time.inc.php');

    10. 

  10. 

    11. 

  11. eval('class postgres7_date_EXTENDER extends '. $last_module . '_ADOConnection { }');

    12. 

  12. 

    13. 

  13. class postgres7_date_ADOConnection extends postgres7_date_EXTENDER

    14. 

  14. {

    15. 

  15. 	var $fmtDate = "'Y-m-d'";	// used by DBDate() as the default date format used by the database

    16. 

  16. 	var $fmtTimeStamp = "'Y-m-d H:i:s'"; // used by DBTimeStamp as the default timestamp fmt.

    17. 

  17. 	var $emptyDate = '&nbsp;';

    18. 

  18. 	var $emptyTimeStamp = '&nbsp;';

    19. 

  19. 	var $sysDate = "CURRENT_DATE";

    20. 

  20. 	var $sysTimeStamp = "CURRENT_TIMESTAMP";

    21. 

  21. 	var $isoDates = true; /// accepts dates in ISO format

    22. 

  22. 

    23. 

  23. 	function Time()

    24. 

  24. 	{

    25. 

  25. 		$rs =& $this->_Execute("select $this->sysTimeStamp");

    26. 

  26. 		if ($rs && !$rs->EOF)

    27. 

  27. 			return $this->UnixTimeStamp(reset($rs->fields));

    28. 

  28. 

    29. 

  29. 		return false;

    30. 

  30. 	}

    31. 

  31. 

    32. 

  32. 	function OffsetDate($dayFraction, $date=false)

    33. 

  33. 	{

    34. 

  34. 		if (!$date)

    35. 

  35. 			$date = $this->sysDate;

    36. 

  36. 		else if (strncmp($date,"'",1) == 0) {

    37. 

  37. 			$len = strlen($date);

    38. 

  38. 			if (10 <= $len && $len <= 12)

    39. 

  39. 				$date = 'date ' . $date;

    40. 

  40. 			else $date = 'timestamp ' . $date;

    41. 

  41. 		}

    42. 

  42. 		return "($date+interval'$dayFraction days')";

    43. 

  43. 	}

    44. 

  44. 

    45. 

  45. 	function SetDateLocale($locale = 'En')

    46. 

  46. 	{

    47. 

  47. 		$this->locale = $locale;

    48. 

  48. 		switch (strtoupper($locale))

    49. 

  49. 		{

    50. 

  50. 			case 'EN':

    51. 

  51. 				$this->fmtDate="'Y-m-d'";

    52. 

  52. 				$this->fmtTimeStamp = "'Y-m-d H:i:s'";

    53. 

  53. 				break;

    54. 

  54. 

    55. 

  55. 			case 'US':

    56. 

  56. 				$this->fmtDate = "'m-d-Y'";

    57. 

  57. 				$this->fmtTimeStamp = "'m-d-Y H:i:s'";

    58. 

  58. 				break;

    59. 

  59. 

    60. 

  60. 			case 'NL':

    61. 

  61. 			case 'FR':

    62. 

  62. 			case 'RO':

    63. 

  63. 			case 'IT':

    64. 

  64. 				$this->fmtDate="'d-m-Y'";

    65. 

  65. 				$this->fmtTimeStamp = "'d-m-Y H:i:s'";

    66. 

  66. 				break;

    67. 

  67. 

    68. 

  68. 			case 'GE':

    69. 

  69. 				$this->fmtDate="'d.m.Y'";

    70. 

  70. 				$this->fmtTimeStamp = "'d.m.Y H:i:s'";

    71. 

  71. 				break;

    72. 

  72. 

    73. 

  73. 			default:

    74. 

  74. 				$this->fmtDate="'Y-m-d'";

    75. 

  75. 				$this->fmtTimeStamp = "'Y-m-d H:i:s'";

    76. 

  76. 				break;

    77. 

  77. 		}

    78. 

  78. 	}

    79. 

  79. 

    80. 

  80. 	function DBDate($date)

    81. 

  81. 	{

    82. 

  82. 		if (empty($date) && $date !== 0)

    83. 

  83. 			return 'null';

    84. 

  84. 

    85. 

  85. 		if (is_string($date) && !is_numeric($date)) {

    86. 

  86. 			if ($date === 'null' || strncmp($date, "'", 1) === 0)

    87. 

  87. 				return $date;

    88. 

  88. 

    89. 

  89. 			if ($this->isoDates)

    90. 

  90. 				return "'$date'";

    91. 

  91. 

    92. 

  92. 			$date = $this->UnixDate($date);

    93. 

  93. 		}

    94. 

  94. 

    95. 

  95. 		return adodb_date($this->fmtDate,$date);

    96. 

  96. 	}

    97. 

  97. 

    98. 

  98. 	function DBTimeStamp($timestamp)

    99. 

  99. 	{

    100. 

  100. 		if (empty($timestamp) && $timestamp !== 0)

    101. 

  101. 			return 'null';

    102. 

  102. 

    103. 

  103. 		# strlen(14) allows YYYYMMDDHHMMSS format

    104. 

  104. 		if (!is_string($timestamp) || (is_numeric($timestamp) && strlen($timestamp)<14)) 

    105. 

  105. 			return adodb_date($this->fmtTimeStamp, $timestamp);

    106. 

  106. 

    107. 

  107. 		if ($timestamp === 'null')

    108. 

  108. 			return $timestamp;

    109. 

  109. 

    110. 

  110. 		if ($this->isoDates && strlen($timestamp) !== 14)

    111. 

  111. 			return "'$timestamp'";

    112. 

  112. 

    113. 

  113. 		$timestamp = $this->UnixTimeStamp($timestamp);

    114. 

  114. 		return adodb_date($this->fmtTimeStamp, $timestamp);

    115. 

  115. 	}

    116. 

  116. 

    117. 

  117. 	function UnixDate($v)

    118. 

  118. 	{

    119. 

  119. 		if (is_object($v)) {

    120. 

  120. 		// odbtp support

    121. 

  121. 		//( [year] => 2004 [month] => 9 [day] => 4 [hour] => 12 [minute] => 44 [second] => 8 [fraction] => 0 )

    122. 

  122. 			return adodb_mktime($v->hour, $v->minute, $v->second, $v->month, $v->day, $v->year);

    123. 

  123. 		}

    124. 

  124. 	

    125. 

  125. 		if (is_numeric($v) && strlen($v) !== 8)

    126. 

  126. 			return $v;

    127. 

  127. 

    128. 

  128. 		if (!preg_match( "|^([0-9]{4})[-/\.]?([0-9]{1,2})[-/\.]?([0-9]{1,2})|", ($v), $rr))

    129. 

  129. 			return false;

    130. 

  130. 

    131. 

  131. 		if ($rr[1] <= TIMESTAMP_FIRST_YEAR)

    132. 

  132. 			return 0;

    133. 

  133. 

    134. 

  134. 		// h-m-s-MM-DD-YY

    135. 

  135. 		return adodb_mktime(0, 0, 0, $rr[2], $rr[3], $rr[1]);

    136. 

  136. 	}

    137. 

  137. 

    138. 

  138. 	function UnixTimeStamp($v)

    139. 

  139. 	{

    140. 

  140. 		if (is_object($v)) {

    141. 

  141. 		// odbtp support

    142. 

  142. 		//( [year] => 2004 [month] => 9 [day] => 4 [hour] => 12 [minute] => 44 [second] => 8 [fraction] => 0 )

    143. 

  143. 			return adodb_mktime($v->hour, $v->minute, $v->second, $v->month, $v->day, $v->year);

    144. 

  144. 		}

    145. 

  145. 		

    146. 

  146. 		if (!preg_match("|^([0-9]{4})[-/\.]?([0-9]{1,2})[-/\.]?([0-9]{1,2})[ ,-]*(([0-9]{1,2}):?([0-9]{1,2}):?([0-9\.]{1,4}))?|", ($v), $rr))

    147. 

  147. 			return false;

    148. 

  148. 

    149. 

  149. 		if ($rr[1] <= TIMESTAMP_FIRST_YEAR && $rr[2]<= 1)

    150. 

  150. 			return 0;

    151. 

  151. 

    152. 

  152. 		// h-m-s-MM-DD-YY

    153. 

  153. 		if (!isset($rr[5]))

    154. 

  154. 			return adodb_mktime(0, 0, 0, $rr[2], $rr[3], $rr[1]);

    155. 

  155. 		else return adodb_mktime($rr[5], $rr[6], $rr[7], $rr[2], $rr[3], $rr[1]);

    156. 

  156. 	}

    157. 

  157. 

    158. 

  158. 	function UserDate($v, $fmt='Y-m-d', $gmt=false)

    159. 

  159. 	{

    160. 

  160. 		$tt = $this->UnixDate($v);

    161. 

  161. 

    162. 

  162. 		// $tt == -1 if pre TIMESTAMP_FIRST_YEAR

    163. 

  163. 		if (($tt === false || $tt == -1) && $v != false)

    164. 

  164. 			return $v;

    165. 

  165. 		else if ($tt == 0)

    166. 

  166. 			return $this->emptyDate;

    167. 

  167. 		else if ($tt == -1) { // pre-TIMESTAMP_FIRST_YEAR

    168. 

  168. 		}

    169. 

  169. 

    170. 

  170. 		return ($gmt) ? adodb_gmdate($fmt, $tt) : adodb_date($fmt, $tt);

    171. 

  171. 	}

    172. 

  172. 

    173. 

  173. 	function UserTimeStamp($v, $fmt='Y-m-d H:i:s', $gmt=false)

    174. 

  174. 	{

    175. 

  175. 		if (!isset($v))

    176. 

  176. 			return $this->emptyTimeStamp;

    177. 

  177. 

    178. 

  178. 		# strlen(14) allows YYYYMMDDHHMMSS format

    179. 

  179. 		if (is_numeric($v) && strlen($v)<14)

    180. 

  180. 			return ($gmt) ? adodb_gmdate($fmt,$v) : adodb_date($fmt,$v);

    181. 

  181. 

    182. 

  182. 		$tt = $this->UnixTimeStamp($v);

    183. 

  183. 		// $tt == -1 if pre TIMESTAMP_FIRST_YEAR

    184. 

  184. 		if (($tt === false || $tt == -1) && $v != false)

    185. 

  185. 			return $v;

    186. 

  186. 

    187. 

  187. 		if ($tt == 0)

    188. 

  188. 			return $this->emptyTimeStamp;

    189. 

  189. 		else return ($gmt) ? adodb_gmdate($fmt,$tt) : adodb_date($fmt,$tt);

    190. 

  190. 	}

    191. 

  191. 

    192. 

  192. 	function SQLDate($fmt, $col=false)

    193. 

  193. 	{	

    194. 

  194. 		if (!$col)

    195. 

  195. 			$col = $this->sysTimeStamp;

    196. 

  196. 

    197. 

  197. 		$s = 'TO_CHAR('.$col.",'";

    198. 

  198. 		$len = strlen($fmt);

    199. 

  199. 		for ($i=0; $i < $len; $i++) {

    200. 

  200. 			$ch = $fmt[$i];

    201. 

  201. 			switch($ch) {

    202. 

  202. 				case 'Y':

    203. 

  203. 				case 'y':

    204. 

  204. 					$s .= 'YYYY';

    205. 

  205. 					break;

    206. 

  206. 

    207. 

  207. 				case 'Q':

    208. 

  208. 				case 'q':

    209. 

  209. 					$s .= 'Q';

    210. 

  210. 					break;

    211. 

  211. 

    212. 

  212. 				case 'M':

    213. 

  213. 					$s .= 'Mon';

    214. 

  214. 					break;

    215. 

  215. 

    216. 

  216. 				case 'm':

    217. 

  217. 					$s .= 'MM';

    218. 

  218. 					break;

    219. 

  219. 

    220. 

  220. 				case 'D':

    221. 

  221. 				case 'd':

    222. 

  222. 					$s .= 'DD';

    223. 

  223. 					break;

    224. 

  224. 

    225. 

  225. 				case 'H':

    226. 

  226. 					$s.= 'HH24';

    227. 

  227. 					break;

    228. 

  228. 

    229. 

  229. 				case 'h':

    230. 

  230. 					$s .= 'HH';

    231. 

  231. 					break;

    232. 

  232. 

    233. 

  233. 				case 'i':

    234. 

  234. 					$s .= 'MI';

    235. 

  235. 					break;

    236. 

  236. 

    237. 

  237. 				case 's':

    238. 

  238. 					$s .= 'SS';

    239. 

  239. 					break;

    240. 

  240. 

    241. 

  241. 				case 'a':

    242. 

  242. 				case 'A':

    243. 

  243. 					$s .= 'AM';

    244. 

  244. 					break;

    245. 

  245. 

    246. 

  246. 				case 'w':

    247. 

  247. 					$s .= 'D';

    248. 

  248. 					break;

    249. 

  249. 

    250. 

  250. 				case 'l':

    251. 

  251. 					$s .= 'DAY';

    252. 

  252. 					break;

    253. 

  253. 

    254. 

  254. 				default:

    255. 

  255. 				// handle escape characters...

    256. 

  256. 					if ($ch == '\\') {

    257. 

  257. 						$i++;

    258. 

  258. 						$ch = substr($fmt,$i,1);

    259. 

  259. 					}

    260. 

  260. 					if (strpos('-/.:;, ',$ch) !== false)

    261. 

  261. 						$s .= $ch;

    262. 

  262. 					else $s .= '"'.$ch.'"';

    263. 

  263. 			}

    264. 

  264. 		}

    265. 

  265. 		return $s. "')";

    266. 

  266. 	}

    267. 

  267. }

    268. 

  268. 

    269. 

  269. eval('class postgres7_date_resultset_EXTENDER extends '. $last_module . '_ResultSet { }');

    270. 

  270. 

    271. 

  271. class postgres7_date_ResultSet extends postgres7_date_resultset_EXTENDER

    272. 

  272. {

    273. 

  273. 	var $emptyTimeStamp = '&nbsp;'; /// what to display when $time==0

    274. 

  274. 	var $emptyDate = '&nbsp;'; /// what to display when $time==0

    275. 

  275. 	var $datetime = false;

    276. 

  276. 

    277. 

  277. 	function UserTimeStamp($v, $fmt='Y-m-d H:i:s')

    278. 

  278. 	{

    279. 

  279. 		if (is_numeric($v) && strlen($v)<14)

    280. 

  280. 			return adodb_date($fmt,$v);

    281. 

  281. 

    282. 

  282. 		$tt = $this->UnixTimeStamp($v);

    283. 

  283. 		// $tt == -1 if pre TIMESTAMP_FIRST_YEAR

    284. 

  284. 		if (($tt === false || $tt == -1) && $v != false)

    285. 

  285. 			return $v;

    286. 

  286. 

    287. 

  287. 		if ($tt === 0)

    288. 

  288. 			return $this->emptyTimeStamp;

    289. 

  289. 		else return adodb_date($fmt,$tt);

    290. 

  290. 	}

    291. 

  291. 

    292. 

  292. 	function UserDate($v,$fmt='Y-m-d')

    293. 

  293. 	{

    294. 

  294. 		$tt = $this->UnixDate($v);

    295. 

  295. 		// $tt == -1 if pre TIMESTAMP_FIRST_YEAR

    296. 

  296. 		if (($tt === false || $tt == -1) && $v != false)

    297. 

  297. 			return $v;

    298. 

  298. 		else if ($tt == 0)

    299. 

  299. 			return $this->emptyDate;

    300. 

  300. 		else if ($tt == -1) { // pre-TIMESTAMP_FIRST_YEAR

    301. 

  301. 		}

    302. 

  302. 		return adodb_date($fmt,$tt);

    303. 

  303. 	}

    304. 

  304. 

    305. 

  305. 	function UnixDate($v)

    306. 

  306. 	{

    307. 

  307. 		return postgres7_date_ADOConnection::UnixDate($v);

    308. 

  308. 	}

    309. 

  309. 

    310. 

  310. 	function UnixTimeStamp($v)

    311. 

  311. 	{

    312. 

  312. 		return postgres7_date_ADOConnection::UnixTimeStamp($v);

    313. 

  313. 	}

    314. 

  314. 

    315. 

  315. }

    316. 

  316. ?>
    317.