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<?php
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/**
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* @file
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* SQL helper for Date API.
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*
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* @todo
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* Add experimental support for sqlite: http://www.sqlite.org/lang_datefunc.html
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* and Oracle (http://psoug.org/reference/date_func.html and
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* http://psoug.org/reference/datatypes.html) date/time functions.
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*/
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/**
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* A helper function to do cross-database concatation of date parts.
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*
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* @param array $array
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* An array of values to be concatonated in sql.
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*
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* @return string
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* Correct sql string for database type.
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*/
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function date_sql_concat(array $array) {
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switch (Database::getConnection()->databaseType()) {
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case 'mysql':
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return "CONCAT(" . implode(",", $array) . ")";
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case 'pgsql':
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return implode(" || ", $array);
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}
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}
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/**
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* Helper function to do cross-database NULL replacements.
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*
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* @param array $array
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* An array of values to test for NULL values.
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*
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* @return string
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* SQL statement to return the first non-NULL value in the list.
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*/
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function date_sql_coalesce(array $array) {
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switch (Database::getConnection()->databaseType()) {
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case 'mysql':
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case 'pgsql':
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return "COALESCE(" . implode(',', $array) . ")";
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}
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}
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/**
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* A helper function to do cross-database padding of date parts.
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*
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* @param string $str
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* A string to apply padding to.
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* @param int $size
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* The size the final string should be.
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* @param string $pad
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* The value to pad the string with.
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* @param string $side
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* The side of the string to pad.
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*/
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function date_sql_pad($str, $size = 2, $pad = '0', $side = 'l') {
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switch ($side) {
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case 'r':
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return "RPAD($str, $size, '$pad')";
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default:
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return "LPAD($str, $size, '$pad')";
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}
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}
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/**
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* A class to manipulate date SQL.
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*/
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class date_sql_handler {
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var $db_type = NULL;
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var $date_type = DATE_DATETIME;
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// A string timezone name.
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var $db_timezone = 'UTC';
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// A string timezone name.
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var $local_timezone = NULL;
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// Use if the db timezone is stored in a field.
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var $db_timezone_field = NULL;
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// Use if the local timezone is stored in a field.
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var $local_timezone_field = NULL;
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// Use if the offset is stored in a field.
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var $offset_field = NULL;
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/**
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* The object constuctor.
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*/
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public function __construct($date_type = DATE_DATETIME, $local_timezone = NULL, $offset = '+00:00') {
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$this->db_type = Database::getConnection()->databaseType();
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$this->date_type = $date_type;
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$this->db_timezone = 'UTC';
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$this->local_timezone = isset($local_timezone) ? $local_timezone : date_default_timezone();
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$this->set_db_timezone($offset);
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}
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/**
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* See if the db has timezone name support.
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*/
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public function db_tz_support($reset = FALSE) {
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$has_support = variable_get('date_db_tz_support', -1);
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if ($has_support == -1 || $reset) {
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$has_support = FALSE;
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switch ($this->db_type) {
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case 'mysql':
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$test = db_query("SELECT CONVERT_TZ('2008-02-15 12:00:00', 'UTC', 'US/Central')")->fetchField();
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if ($test == '2008-02-15 06:00:00') {
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$has_support = TRUE;
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}
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break;
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case 'pgsql':
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// PostgreSQL doesn't always have timezone support enabled, so catch
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// exceptions so they don't break the site. This is safe to do as it
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// is only checking to see if timezones are actually supported.
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try {
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$test = db_query("SELECT '2008-02-15 12:00:00 UTC' AT TIME ZONE 'US/Central'")->fetchField();
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if ($test == '2008-02-15 06:00:00') {
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$has_support = TRUE;
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}
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}
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catch (PDOException $e) {
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// No support.
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}
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break;
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}
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variable_set('date_db_tz_support', $has_support);
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}
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return $has_support;
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}
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/**
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* Set the database timzone offset.
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*
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* Setting the db timezone to UTC is done to ensure consistency in date
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* handling whether or not the database can do proper timezone conversion.
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*
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* Views filters that not exposed are cached and won't set the timezone
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* so views date filters should add 'cacheable' => 'no' to their
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* definitions to ensure that the database timezone gets set properly
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* when the query is executed.
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*
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* @param string $offset
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* An offset value to set the database timezone to. This will only
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* set a fixed offset, not a timezone, so any value other than
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* '+00:00' should be used with caution.
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*/
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public function set_db_timezone($offset = '+00:00') {
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static $already_set = FALSE;
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$type = Database::getConnection()->databaseType();
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if (!$already_set) {
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switch ($type) {
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case 'mysql':
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db_query("SET @@session.time_zone = '$offset'");
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break;
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case 'pgsql':
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db_query("SET TIME ZONE INTERVAL '$offset' HOUR TO MINUTE");
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break;
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case 'sqlsrv':
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// Issue #1201342, This is the wrong way to set the timezone, this
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// still needs to be fixed. In the meantime, commenting this out makes
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// SQLSRV functional.
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// db_query('TimeZone.setDefault(TimeZone.getTimeZone("GMT"))');
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break;
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}
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$already_set = TRUE;
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}
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}
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/**
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* Return timezone offset for the date being processed.
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*/
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public function get_offset($comp_date = NULL) {
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if (!empty($this->db_timezone) && !empty($this->local_timezone)) {
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if ($this->db_timezone != $this->local_timezone) {
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if (empty($comp_date)) {
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$comp_date = date_now($this->db_timezone);
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}
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$comp_date->setTimezone(timezone_open($this->local_timezone));
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return date_offset_get($comp_date);
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}
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}
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return 0;
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}
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/**
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* Helper function to create cross-database SQL dates.
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192 |
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*
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193 |
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* @param string $field
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* The real table and field name, like 'tablename.fieldname' .
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195 |
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* @param string $offset
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196 |
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* The name of a field that holds the timezone offset or an
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* offset value. If NULL, the normal Drupal timezone handling
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* will be used, if $offset = 0 no adjustment will be made.
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199 |
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*
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200 |
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* @return string
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201 |
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* An appropriate SQL string for the db type and field type.
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202 |
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*/
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203 |
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function sql_field($field, $offset = NULL, $comp_date = NULL) {
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204 |
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if (strtoupper($field) == 'NOW') {
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205 |
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// NOW() will be in UTC since that is what we set the db timezone to.
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206 |
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$this->local_timezone = 'UTC';
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207 |
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return $this->sql_offset('NOW()', $offset);
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208 |
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}
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209 |
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switch ($this->db_type) {
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210 |
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case 'mysql':
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211 |
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switch ($this->date_type) {
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212 |
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case DATE_UNIX:
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213 |
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$field = "FROM_UNIXTIME($field)";
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214 |
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break;
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215 |
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216 |
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case DATE_ISO:
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217 |
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$field = "STR_TO_DATE($field, '%Y-%m-%dT%T')";
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218 |
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break;
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219 |
b720ea3e
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220 |
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Assos Assos
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case DATE_DATETIME:
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221 |
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break;
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222 |
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}
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223 |
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break;
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224 |
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225 |
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case 'pgsql':
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226 |
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switch ($this->date_type) {
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227 |
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case DATE_UNIX:
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228 |
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$field = "TO_TIMESTAMP($field)";
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229 |
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break;
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230 |
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231 |
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case DATE_ISO:
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232 |
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$field = "TO_DATE($field, 'FMYYYY-FMMM-FMDDTFMHH24:FMMI:FMSS')";
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233 |
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break;
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234 |
b720ea3e
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Assos Assos
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|
235 |
85ad3d82
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Assos Assos
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case DATE_DATETIME:
|
236 |
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break;
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237 |
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}
|
238 |
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break;
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239 |
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240 |
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case 'sqlite':
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241 |
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switch ($this->date_type) {
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242 |
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case DATE_UNIX:
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243 |
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$field = "datetime($field, 'unixepoch')";
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244 |
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break;
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245 |
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246 |
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Assos Assos
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case DATE_ISO:
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247 |
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case DATE_DATETIME:
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248 |
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$field = "datetime($field)";
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249 |
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break;
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250 |
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}
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251 |
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break;
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252 |
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253 |
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case 'sqlsrv':
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254 |
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switch ($this->date_type) {
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255 |
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case DATE_UNIX:
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256 |
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$field = "DATEADD(s, $field, '19700101 00:00:00:000')";
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257 |
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break;
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258 |
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|
259 |
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case DATE_ISO:
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260 |
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case DATE_DATETIME:
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261 |
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$field = "CAST($field as smalldatetime)";
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262 |
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break;
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263 |
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}
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264 |
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break;
|
265 |
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266 |
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break;
|
267 |
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}
|
268 |
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|
// Adjust the resulting value to the right timezone/offset.
|
269 |
|
|
return $this->sql_tz($field, $offset, $comp_date);
|
270 |
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}
|
271 |
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|
272 |
|
|
/**
|
273 |
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* Adjust a field value by an offset in seconds.
|
274 |
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*/
|
275 |
|
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function sql_offset($field, $offset = NULL) {
|
276 |
|
|
if (!empty($offset)) {
|
277 |
|
|
switch ($this->db_type) {
|
278 |
|
|
case 'mysql':
|
279 |
|
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return "ADDTIME($field, SEC_TO_TIME($offset))";
|
280 |
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|
281 |
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case 'pgsql':
|
282 |
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return "($field + INTERVAL '$offset SECONDS')";
|
283 |
|
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|
284 |
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case 'sqlite':
|
285 |
|
|
return "datetime($field, '$offset seconds')";
|
286 |
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|
287 |
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case 'sqlsrv':
|
288 |
|
|
return "DATEADD(second, $offset, $field)";
|
289 |
|
|
}
|
290 |
|
|
}
|
291 |
|
|
return $field;
|
292 |
|
|
}
|
293 |
|
|
|
294 |
|
|
/**
|
295 |
|
|
* Adjusts a field value by time interval.
|
296 |
|
|
*
|
297 |
|
|
* @param string $field
|
298 |
|
|
* The field to be adjusted.
|
299 |
|
|
* @param string $direction
|
300 |
|
|
* Either ADD or SUB.
|
301 |
|
|
* @param int $count
|
302 |
|
|
* The number of values to adjust.
|
303 |
|
|
* @param string $granularity
|
304 |
599a39cd
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Assos Assos
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* The granularity of the adjustment, should be singular, like SECOND,
|
305 |
|
|
* MINUTE, DAY, HOUR.
|
306 |
85ad3d82
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Assos Assos
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*/
|
307 |
|
|
function sql_date_math($field, $direction, $count, $granularity) {
|
308 |
|
|
$granularity = strtoupper($granularity);
|
309 |
|
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switch ($this->db_type) {
|
310 |
|
|
case 'mysql':
|
311 |
|
|
switch ($direction) {
|
312 |
|
|
case 'ADD':
|
313 |
599a39cd
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Assos Assos
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return "DATE_ADD(CAST($field AS DATETIME), INTERVAL $count $granularity)";
|
314 |
b720ea3e
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|
315 |
85ad3d82
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Assos Assos
|
case 'SUB':
|
316 |
599a39cd
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Assos Assos
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return "DATE_SUB(CAST($field AS DATETIME), INTERVAL $count $granularity)";
|
317 |
85ad3d82
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Assos Assos
|
}
|
318 |
|
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|
319 |
|
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case 'pgsql':
|
320 |
|
|
$granularity .= 'S';
|
321 |
|
|
switch ($direction) {
|
322 |
|
|
case 'ADD':
|
323 |
|
|
return "($field + INTERVAL '$count $granularity')";
|
324 |
b720ea3e
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|
325 |
85ad3d82
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Assos Assos
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case 'SUB':
|
326 |
|
|
return "($field - INTERVAL '$count $granularity')";
|
327 |
|
|
}
|
328 |
|
|
case 'sqlite':
|
329 |
|
|
$granularity .= 'S';
|
330 |
|
|
switch ($direction) {
|
331 |
|
|
case 'ADD':
|
332 |
|
|
return "datetime($field, '+$count $granularity')";
|
333 |
b720ea3e
|
Assos Assos
|
|
334 |
85ad3d82
|
Assos Assos
|
case 'SUB':
|
335 |
|
|
return "datetime($field, '-$count $granularity')";
|
336 |
|
|
}
|
337 |
|
|
}
|
338 |
|
|
return $field;
|
339 |
|
|
}
|
340 |
|
|
|
341 |
|
|
/**
|
342 |
599a39cd
|
Assos Assos
|
* Select a date value from the database, adjusting for the timezone.
|
343 |
85ad3d82
|
Assos Assos
|
*
|
344 |
599a39cd
|
Assos Assos
|
* Check whether database timezone conversion is supported in this system and
|
345 |
|
|
* use it if possible, otherwise use an offset.
|
346 |
85ad3d82
|
Assos Assos
|
*
|
347 |
|
|
* @param string $field
|
348 |
|
|
* The field to be adjusted.
|
349 |
|
|
* @param bool $offset
|
350 |
599a39cd
|
Assos Assos
|
* Set a fixed offset or offset field to use for the date. If set, no
|
351 |
|
|
* timezone conversion will be done and the offset will be used.
|
352 |
85ad3d82
|
Assos Assos
|
*/
|
353 |
|
|
function sql_tz($field, $offset = NULL, $comp_date = NULL) {
|
354 |
599a39cd
|
Assos Assos
|
// If the timezones are values they need to be quoted, but if they are
|
355 |
|
|
// field names they do not.
|
356 |
85ad3d82
|
Assos Assos
|
$db_zone = !empty($this->db_timezone_field) ? $this->db_timezone_field : "'{$this->db_timezone}'";
|
357 |
|
|
$localzone = !empty($this->local_timezone_field) ? $this->local_timezone_field : "'{$this->local_timezone}'";
|
358 |
|
|
// If a fixed offset is required, use it.
|
359 |
|
|
if ($offset !== NULL) {
|
360 |
|
|
return $this->sql_offset($field, $offset);
|
361 |
|
|
}
|
362 |
|
|
// If the db and local timezones are the same, make no adjustment.
|
363 |
|
|
elseif ($db_zone == $localzone) {
|
364 |
|
|
return $this->sql_offset($field, 0);
|
365 |
|
|
}
|
366 |
599a39cd
|
Assos Assos
|
// If the db has no timezone support, adjust by the offset, could be either
|
367 |
|
|
// a field name or a value.
|
368 |
85ad3d82
|
Assos Assos
|
elseif (!$this->db_tz_support() || empty($localzone)) {
|
369 |
|
|
if (!empty($this->offset_field)) {
|
370 |
|
|
return $this->sql_offset($field, $this->offset_field);
|
371 |
|
|
}
|
372 |
|
|
else {
|
373 |
|
|
return $this->sql_offset($field, $this->get_offset($comp_date));
|
374 |
|
|
}
|
375 |
|
|
}
|
376 |
|
|
// Otherwise make a database timezone adjustment to the field.
|
377 |
|
|
else {
|
378 |
|
|
switch ($this->db_type) {
|
379 |
|
|
case 'mysql':
|
380 |
|
|
return "CONVERT_TZ($field, $db_zone, $localzone)";
|
381 |
b720ea3e
|
Assos Assos
|
|
382 |
85ad3d82
|
Assos Assos
|
case 'pgsql':
|
383 |
|
|
// WITH TIME ZONE assumes the date is using the system
|
384 |
|
|
// timezone, which should have been set to UTC.
|
385 |
|
|
return "$field::timestamp with time zone AT TIME ZONE $localzone";
|
386 |
|
|
}
|
387 |
|
|
}
|
388 |
|
|
}
|
389 |
|
|
|
390 |
|
|
/**
|
391 |
|
|
* Helper function to create cross-database SQL date formatting.
|
392 |
|
|
*
|
393 |
|
|
* @param string $format
|
394 |
|
|
* A format string for the result, like 'Y-m-d H:i:s' .
|
395 |
|
|
* @param string $field
|
396 |
|
|
* The real table and field name, like 'tablename.fieldname' .
|
397 |
|
|
*
|
398 |
|
|
* @return string
|
399 |
|
|
* An appropriate SQL string for the db type and field type.
|
400 |
|
|
*/
|
401 |
|
|
function sql_format($format, $field) {
|
402 |
|
|
switch ($this->db_type) {
|
403 |
|
|
case 'mysql':
|
404 |
|
|
$replace = array(
|
405 |
|
|
'Y' => '%Y',
|
406 |
|
|
'y' => '%y',
|
407 |
|
|
'M' => '%b',
|
408 |
|
|
'm' => '%m',
|
409 |
|
|
'n' => '%c',
|
410 |
|
|
'F' => '%M',
|
411 |
|
|
'D' => '%a',
|
412 |
|
|
'd' => '%d',
|
413 |
|
|
'l' => '%W',
|
414 |
|
|
'j' => '%e',
|
415 |
|
|
'W' => '%v',
|
416 |
|
|
'H' => '%H',
|
417 |
|
|
'h' => '%h',
|
418 |
|
|
'i' => '%i',
|
419 |
|
|
's' => '%s',
|
420 |
|
|
'A' => '%p',
|
421 |
|
|
'\WW' => 'W%U',
|
422 |
|
|
);
|
423 |
|
|
$format = strtr($format, $replace);
|
424 |
|
|
return "DATE_FORMAT($field, '$format')";
|
425 |
b720ea3e
|
Assos Assos
|
|
426 |
85ad3d82
|
Assos Assos
|
case 'pgsql':
|
427 |
|
|
$replace = array(
|
428 |
|
|
'Y' => 'YYYY',
|
429 |
|
|
'y' => 'YY',
|
430 |
|
|
'M' => 'Mon',
|
431 |
|
|
'm' => 'MM',
|
432 |
|
|
// No format for Numeric representation of a month, without leading
|
433 |
|
|
// zeros.
|
434 |
|
|
'n' => 'MM',
|
435 |
|
|
'F' => 'Month',
|
436 |
|
|
'D' => 'Dy',
|
437 |
|
|
'd' => 'DD',
|
438 |
|
|
'l' => 'Day',
|
439 |
|
|
// No format for Day of the month without leading zeros.
|
440 |
|
|
'j' => 'DD',
|
441 |
|
|
'W' => 'WW',
|
442 |
|
|
'H' => 'HH24',
|
443 |
|
|
'h' => 'HH12',
|
444 |
|
|
'i' => 'MI',
|
445 |
|
|
's' => 'SS',
|
446 |
|
|
'A' => 'AM',
|
447 |
|
|
'\T' => '"T"',
|
448 |
599a39cd
|
Assos Assos
|
// '\W' => // @todo what should this be?
|
449 |
85ad3d82
|
Assos Assos
|
);
|
450 |
|
|
$format = strtr($format, $replace);
|
451 |
|
|
return "TO_CHAR($field, '$format')";
|
452 |
b720ea3e
|
Assos Assos
|
|
453 |
85ad3d82
|
Assos Assos
|
case 'sqlite':
|
454 |
|
|
$replace = array(
|
455 |
|
|
// 4 digit year number.
|
456 |
|
|
'Y' => '%Y',
|
457 |
|
|
// No format for 2 digit year number.
|
458 |
|
|
'y' => '%Y',
|
459 |
|
|
// No format for 3 letter month name.
|
460 |
|
|
'M' => '%m',
|
461 |
|
|
// Month number with leading zeros.
|
462 |
|
|
'm' => '%m',
|
463 |
|
|
// No format for month number without leading zeros.
|
464 |
|
|
'n' => '%m',
|
465 |
|
|
// No format for full month name.
|
466 |
|
|
'F' => '%m',
|
467 |
|
|
// No format for 3 letter day name.
|
468 |
|
|
'D' => '%d',
|
469 |
|
|
// Day of month number with leading zeros.
|
470 |
|
|
'd' => '%d',
|
471 |
|
|
// No format for full day name.
|
472 |
|
|
'l' => '%d',
|
473 |
|
|
// No format for day of month number without leading zeros.
|
474 |
|
|
'j' => '%d',
|
475 |
|
|
// ISO week number.
|
476 |
|
|
'W' => '%W',
|
477 |
|
|
// 24 hour hour with leading zeros.
|
478 |
|
|
'H' => '%H',
|
479 |
|
|
// No format for 12 hour hour with leading zeros.
|
480 |
|
|
'h' => '%H',
|
481 |
|
|
// Minutes with leading zeros.
|
482 |
|
|
'i' => '%M',
|
483 |
|
|
// Seconds with leading zeros.
|
484 |
|
|
's' => '%S',
|
485 |
|
|
// No format for AM/PM.
|
486 |
|
|
'A' => '',
|
487 |
|
|
// Week number.
|
488 |
|
|
'\WW' => '',
|
489 |
|
|
);
|
490 |
|
|
$format = strtr($format, $replace);
|
491 |
|
|
return "strftime('$format', $field)";
|
492 |
b720ea3e
|
Assos Assos
|
|
493 |
85ad3d82
|
Assos Assos
|
case 'sqlsrv':
|
494 |
|
|
$replace = array(
|
495 |
|
|
// 4 digit year number.
|
496 |
|
|
'Y' => "' + CAST(DATEPART(year, $field) AS nvarchar) + '",
|
497 |
|
|
// 2 digit year number.
|
498 |
|
|
'y' => "' + RIGHT(DATEPART(year, $field), 2) + '",
|
499 |
|
|
// 3 letter month name.
|
500 |
|
|
'M' => "' + LEFT(DATENAME(month, $field), 3) + '",
|
501 |
|
|
// Month number with leading zeros.
|
502 |
|
|
'm' => "' + RIGHT('0' + CAST(DATEPART(month, $field) AS nvarchar), 2) + '",
|
503 |
|
|
// Month number without leading zeros.
|
504 |
|
|
'n' => "' + CAST(DATEPART(month, $field) AS nvarchar) + '",
|
505 |
|
|
// Full month name.
|
506 |
|
|
'F' => "' + DATENAME(month, $field) + '",
|
507 |
|
|
// 3 letter day name.
|
508 |
|
|
'D' => "' + LEFT(DATENAME(day, $field), 3) + '",
|
509 |
|
|
// Day of month number with leading zeros.
|
510 |
|
|
'd' => "' + RIGHT('0' + CAST(DATEPART(day, $field) AS nvarchar), 2) + '",
|
511 |
|
|
// Full day name.
|
512 |
|
|
'l' => "' + DATENAME(day, $field) + '",
|
513 |
|
|
// Day of month number without leading zeros.
|
514 |
|
|
'j' => "' + CAST(DATEPART(day, $field) AS nvarchar) + '",
|
515 |
|
|
// ISO week number.
|
516 |
|
|
'W' => "' + CAST(DATEPART(iso_week, $field) AS nvarchar) + '",
|
517 |
|
|
// 24 hour with leading zeros.
|
518 |
|
|
'H' => "' + RIGHT('0' + CAST(DATEPART(hour, $field) AS nvarchar), 2) + '",
|
519 |
|
|
// 12 hour with leading zeros.
|
520 |
|
|
// Conversion to 'mon dd yyyy hh:miAM/PM' format (corresponds to style
|
521 |
|
|
// 100 in MSSQL).
|
522 |
|
|
// Hour position is fixed, so we use SUBSTRING to extract it.
|
523 |
|
|
'h' => "' + RIGHT('0' + LTRIM(SUBSTRING(CONVERT(nvarchar, $field, 100), 13, 2)), 2) + '",
|
524 |
|
|
// Minutes with leading zeros.
|
525 |
|
|
'i' => "' + RIGHT('0' + CAST(DATEPART(minute, $field) AS nvarchar), 2) + '",
|
526 |
|
|
// Seconds with leading zeros.
|
527 |
|
|
's' => "' + RIGHT('0' + CAST(DATEPART(second, $field) AS nvarchar), 2) + '",
|
528 |
|
|
// AM/PM.
|
529 |
|
|
// Conversion to 'mon dd yyyy hh:miAM/PM' format (corresponds to style
|
530 |
|
|
// 100 in MSSQL).
|
531 |
|
|
'A' => "' + RIGHT(CONVERT(nvarchar, $field, 100), 2) + '",
|
532 |
|
|
// Week number.
|
533 |
|
|
'\WW' => "' + CAST(DATEPART(week, $field) AS nvarchar) + '",
|
534 |
|
|
'\T' => 'T',
|
535 |
|
|
// MS SQL uses single quote as escape symbol.
|
536 |
|
|
'\'' => '\'\'',
|
537 |
|
|
);
|
538 |
|
|
$format = strtr($format, $replace);
|
539 |
|
|
$format = "'$format'";
|
540 |
|
|
return $format;
|
541 |
|
|
}
|
542 |
|
|
}
|
543 |
|
|
|
544 |
|
|
/**
|
545 |
|
|
* Helper function to create cross-database SQL date extraction.
|
546 |
|
|
*
|
547 |
|
|
* @param string $extract_type
|
548 |
|
|
* The type of value to extract from the date, like 'MONTH'.
|
549 |
|
|
* @param string $field
|
550 |
|
|
* The real table and field name, like 'tablename.fieldname'.
|
551 |
|
|
*
|
552 |
|
|
* @return string
|
553 |
|
|
* An appropriate SQL string for the db type and field type.
|
554 |
|
|
*/
|
555 |
|
|
function sql_extract($extract_type, $field) {
|
556 |
|
|
// Note there is no space after FROM to avoid db_rewrite problems
|
557 |
|
|
// see http://drupal.org/node/79904.
|
558 |
|
|
switch (strtoupper($extract_type)) {
|
559 |
|
|
case 'DATE':
|
560 |
|
|
return $field;
|
561 |
b720ea3e
|
Assos Assos
|
|
562 |
85ad3d82
|
Assos Assos
|
case 'YEAR':
|
563 |
|
|
return "EXTRACT(YEAR FROM($field))";
|
564 |
b720ea3e
|
Assos Assos
|
|
565 |
85ad3d82
|
Assos Assos
|
case 'MONTH':
|
566 |
|
|
return "EXTRACT(MONTH FROM($field))";
|
567 |
b720ea3e
|
Assos Assos
|
|
568 |
85ad3d82
|
Assos Assos
|
case 'DAY':
|
569 |
|
|
return "EXTRACT(DAY FROM($field))";
|
570 |
b720ea3e
|
Assos Assos
|
|
571 |
85ad3d82
|
Assos Assos
|
case 'HOUR':
|
572 |
|
|
return "EXTRACT(HOUR FROM($field))";
|
573 |
b720ea3e
|
Assos Assos
|
|
574 |
85ad3d82
|
Assos Assos
|
case 'MINUTE':
|
575 |
|
|
return "EXTRACT(MINUTE FROM($field))";
|
576 |
b720ea3e
|
Assos Assos
|
|
577 |
85ad3d82
|
Assos Assos
|
case 'SECOND':
|
578 |
|
|
return "EXTRACT(SECOND FROM($field))";
|
579 |
b720ea3e
|
Assos Assos
|
|
580 |
85ad3d82
|
Assos Assos
|
// ISO week number for date.
|
581 |
|
|
case 'WEEK':
|
582 |
|
|
switch ($this->db_type) {
|
583 |
|
|
case 'mysql':
|
584 |
|
|
// WEEK using arg 3 in MySQl should return the same value as
|
585 |
|
|
// Postgres EXTRACT.
|
586 |
|
|
return "WEEK($field, 3)";
|
587 |
b720ea3e
|
Assos Assos
|
|
588 |
85ad3d82
|
Assos Assos
|
case 'pgsql':
|
589 |
|
|
return "EXTRACT(WEEK FROM($field))";
|
590 |
|
|
}
|
591 |
599a39cd
|
Assos Assos
|
|
592 |
85ad3d82
|
Assos Assos
|
case 'DOW':
|
593 |
|
|
switch ($this->db_type) {
|
594 |
|
|
case 'mysql':
|
595 |
|
|
// MySQL returns 1 for Sunday through 7 for Saturday, PHP date
|
596 |
|
|
// functions and Postgres use 0 for Sunday and 6 for Saturday.
|
597 |
|
|
return "INTEGER(DAYOFWEEK($field) - 1)";
|
598 |
b720ea3e
|
Assos Assos
|
|
599 |
85ad3d82
|
Assos Assos
|
case 'pgsql':
|
600 |
|
|
return "EXTRACT(DOW FROM($field))";
|
601 |
|
|
}
|
602 |
599a39cd
|
Assos Assos
|
|
603 |
85ad3d82
|
Assos Assos
|
case 'DOY':
|
604 |
|
|
switch ($this->db_type) {
|
605 |
|
|
case 'mysql':
|
606 |
|
|
return "DAYOFYEAR($field)";
|
607 |
b720ea3e
|
Assos Assos
|
|
608 |
85ad3d82
|
Assos Assos
|
case 'pgsql':
|
609 |
|
|
return "EXTRACT(DOY FROM($field))";
|
610 |
|
|
}
|
611 |
|
|
}
|
612 |
|
|
}
|
613 |
|
|
|
614 |
|
|
/**
|
615 |
|
|
* Creates a where clause to compare a complete date field to a date value.
|
616 |
|
|
*
|
617 |
|
|
* @param string $type
|
618 |
|
|
* The type of value we're comparing to, could be another field
|
619 |
|
|
* or a date value.
|
620 |
|
|
* @param string $field
|
621 |
|
|
* The db table and field name, like "$table.$field".
|
622 |
|
|
* @param string $operator
|
623 |
|
|
* The db comparison operator to use, like '='.
|
624 |
|
|
* @param int $value
|
625 |
|
|
* The value to compare the extracted date part to, could be a field name or
|
626 |
|
|
* a date string or NOW().
|
627 |
|
|
*
|
628 |
|
|
* @return string
|
629 |
|
|
* SQL for the where clause for this operation.
|
630 |
|
|
*/
|
631 |
|
|
function sql_where_date($type, $field, $operator, $value, $adjustment = NULL) {
|
632 |
|
|
$type = strtoupper($type);
|
633 |
|
|
if (strtoupper($value) == 'NOW') {
|
634 |
|
|
$value = $this->sql_field('NOW', $adjustment);
|
635 |
|
|
}
|
636 |
|
|
elseif ($type == 'FIELD') {
|
637 |
|
|
$value = $this->sql_field($value, $adjustment);
|
638 |
|
|
}
|
639 |
|
|
elseif ($type == 'DATE') {
|
640 |
|
|
$date = new DateObject($value, date_default_timezone(), DATE_FORMAT_DATETIME);
|
641 |
|
|
if (!empty($adjustment)) {
|
642 |
|
|
date_modify($date, $adjustment . ' seconds');
|
643 |
|
|
}
|
644 |
|
|
// When comparing a field to a date we can avoid doing timezone
|
645 |
599a39cd
|
Assos Assos
|
// conversion by altering the comparison date to the db timezone. This
|
646 |
|
|
// won't work if the timezone is a field instead of a value.
|
647 |
85ad3d82
|
Assos Assos
|
if (empty($this->db_timezone_field) && empty($this->local_timezone_field) && $this->db_timezone_field != $this->local_timezone_field) {
|
648 |
|
|
$date->setTimezone(timezone_open($this->db_timezone));
|
649 |
|
|
$this->local_timezone = $this->db_timezone;
|
650 |
|
|
}
|
651 |
|
|
$value = "'" . $date->format(DATE_FORMAT_DATETIME, TRUE) . "'";
|
652 |
|
|
}
|
653 |
|
|
if ($this->local_timezone != $this->db_timezone) {
|
654 |
|
|
$field = $this->sql_field($field);
|
655 |
|
|
}
|
656 |
|
|
else {
|
657 |
|
|
$field = $this->sql_field($field, 0);
|
658 |
|
|
}
|
659 |
|
|
return "$field $operator $value";
|
660 |
|
|
}
|
661 |
|
|
|
662 |
|
|
/**
|
663 |
|
|
* Creates a where clause comparing an extracted date part to an integer.
|
664 |
|
|
*
|
665 |
|
|
* @param string $part
|
666 |
|
|
* The part to extract, YEAR, MONTH, DAY, etc.
|
667 |
|
|
* @param string $field
|
668 |
|
|
* The db table and field name, like "$table.$field".
|
669 |
|
|
* @param string $operator
|
670 |
|
|
* The db comparison operator to use, like '=' .
|
671 |
|
|
* @param int $value
|
672 |
|
|
* The integer value to compare the extracted date part to.
|
673 |
|
|
*
|
674 |
|
|
* @return string
|
675 |
|
|
* SQL for the where clause for this operation.
|
676 |
|
|
*/
|
677 |
|
|
function sql_where_extract($part, $field, $operator, $value, $adjustment = NULL) {
|
678 |
|
|
if (empty($adjustment) && $this->local_timezone != $this->db_timezone) {
|
679 |
|
|
$field = $this->sql_field($field);
|
680 |
|
|
}
|
681 |
|
|
else {
|
682 |
|
|
$field = $this->sql_field($field, $adjustment);
|
683 |
|
|
}
|
684 |
|
|
return $this->sql_extract($part, $field) . " $operator $value";
|
685 |
|
|
}
|
686 |
|
|
|
687 |
|
|
/**
|
688 |
|
|
* Create a where clause to compare a formated field to a formated value.
|
689 |
|
|
*
|
690 |
|
|
* @param string $format
|
691 |
|
|
* The format to use on the date and the value when comparing them.
|
692 |
|
|
* @param string $field
|
693 |
|
|
* The db table and field name, like "$table.$field".
|
694 |
|
|
* @param string $operator
|
695 |
|
|
* The db comparison operator to use, like '=' .
|
696 |
|
|
* @param string $value
|
697 |
|
|
* The value to compare the extracted date part to, could be a
|
698 |
|
|
* field name or a date string or NOW().
|
699 |
|
|
*
|
700 |
|
|
* @return string
|
701 |
|
|
* SQL for the where clause for this operation.
|
702 |
|
|
*/
|
703 |
|
|
function sql_where_format($format, $field, $operator, $value, $adjustment = NULL) {
|
704 |
|
|
if (empty($adjustment) && $this->local_timezone != $this->db_timezone) {
|
705 |
|
|
$field = $this->sql_field($field);
|
706 |
|
|
}
|
707 |
|
|
else {
|
708 |
|
|
$field = $this->sql_field($field, $adjustment);
|
709 |
|
|
}
|
710 |
|
|
return $this->sql_format($format, $field) . " $operator '$value'";
|
711 |
|
|
}
|
712 |
|
|
|
713 |
|
|
/**
|
714 |
|
|
* An array of all date parts,
|
715 |
599a39cd
|
Assos Assos
|
*
|
716 |
|
|
* @param bool $limit
|
717 |
|
|
* Limit to an array of allowed parts.
|
718 |
85ad3d82
|
Assos Assos
|
*/
|
719 |
|
|
function date_parts($limit = NULL) {
|
720 |
|
|
$parts = array(
|
721 |
|
|
'year' => t('Year', array(), array('context' => 'datetime')),
|
722 |
|
|
'month' => t('Month', array(), array('context' => 'datetime')),
|
723 |
|
|
'day' => t('Day', array(), array('context' => 'datetime')),
|
724 |
|
|
'hour' => t('Hour', array(), array('context' => 'datetime')),
|
725 |
|
|
'minute' => t('Minute', array(), array('context' => 'datetime')),
|
726 |
|
|
'second' => t('Second', array(), array('context' => 'datetime')),
|
727 |
|
|
);
|
728 |
|
|
if (!empty($limit)) {
|
729 |
|
|
$last = FALSE;
|
730 |
|
|
foreach ($parts as $key => $part) {
|
731 |
|
|
if ($last) {
|
732 |
|
|
unset($parts[$key]);
|
733 |
|
|
}
|
734 |
|
|
if ($key == $limit) {
|
735 |
|
|
$last = TRUE;
|
736 |
|
|
}
|
737 |
|
|
}
|
738 |
|
|
}
|
739 |
|
|
return $parts;
|
740 |
|
|
}
|
741 |
|
|
|
742 |
|
|
/**
|
743 |
|
|
* Part information.
|
744 |
|
|
*
|
745 |
|
|
* @param string $op
|
746 |
|
|
* 'min', 'max', 'format', 'sep', 'empty_now', 'empty_min', 'empty_max' .
|
747 |
|
|
* Returns all info if empty.
|
748 |
|
|
* @param string $part
|
749 |
599a39cd
|
Assos Assos
|
* 'year', 'month', 'day', 'hour', 'minute', or 'second. Returns info for
|
750 |
|
|
* all parts if empty.
|
751 |
85ad3d82
|
Assos Assos
|
*/
|
752 |
|
|
function part_info($op = NULL, $part = NULL) {
|
753 |
|
|
$info = array();
|
754 |
|
|
$info['min'] = array(
|
755 |
|
|
'year' => 100,
|
756 |
|
|
'month' => 1,
|
757 |
|
|
'day' => 1,
|
758 |
|
|
'hour' => 0,
|
759 |
|
|
'minute' => 0,
|
760 |
|
|
'second' => 0,
|
761 |
|
|
);
|
762 |
|
|
$info['max'] = array(
|
763 |
|
|
'year' => 4000,
|
764 |
|
|
'month' => 12,
|
765 |
|
|
'day' => 31,
|
766 |
|
|
'hour' => 23,
|
767 |
|
|
'minute' => 59,
|
768 |
|
|
'second' => 59,
|
769 |
|
|
);
|
770 |
|
|
$info['format'] = array(
|
771 |
|
|
'year' => 'Y',
|
772 |
|
|
'month' => 'm',
|
773 |
|
|
'day' => 'd',
|
774 |
|
|
'hour' => 'H',
|
775 |
|
|
'minute' => 'i',
|
776 |
|
|
'second' => 's',
|
777 |
|
|
);
|
778 |
|
|
$info['sep'] = array(
|
779 |
|
|
'year' => '',
|
780 |
|
|
'month' => '-',
|
781 |
|
|
'day' => '-',
|
782 |
|
|
'hour' => ' ',
|
783 |
|
|
'minute' => ':',
|
784 |
|
|
'second' => ':',
|
785 |
|
|
);
|
786 |
|
|
$info['empty_now'] = array(
|
787 |
|
|
'year' => date('Y'),
|
788 |
|
|
'month' => date('m'),
|
789 |
|
|
'day' => min('28', date('d')),
|
790 |
|
|
'hour' => date('H'),
|
791 |
|
|
'minute' => date('i'),
|
792 |
|
|
'second' => date('s'),
|
793 |
|
|
);
|
794 |
|
|
$info['empty_min'] = array(
|
795 |
|
|
'year' => '1000',
|
796 |
|
|
'month' => '01',
|
797 |
|
|
'day' => '01',
|
798 |
|
|
'hour' => '00',
|
799 |
|
|
'minute' => '00',
|
800 |
|
|
'second' => '00',
|
801 |
|
|
);
|
802 |
|
|
$info['empty_max'] = array(
|
803 |
|
|
'year' => '9999',
|
804 |
|
|
'month' => '12',
|
805 |
|
|
'day' => '31',
|
806 |
|
|
'hour' => '23',
|
807 |
|
|
'minute' => '59',
|
808 |
|
|
'second' => '59',
|
809 |
|
|
);
|
810 |
|
|
if (!empty($op)) {
|
811 |
|
|
if (!empty($part)) {
|
812 |
|
|
return $info[$op][$part];
|
813 |
|
|
}
|
814 |
|
|
else {
|
815 |
|
|
return $info[$op];
|
816 |
|
|
}
|
817 |
|
|
}
|
818 |
|
|
return $info;
|
819 |
|
|
}
|
820 |
|
|
|
821 |
|
|
/**
|
822 |
b720ea3e
|
Assos Assos
|
* Create a complete date/time value out of an incomplete array of values.
|
823 |
85ad3d82
|
Assos Assos
|
*
|
824 |
599a39cd
|
Assos Assos
|
* For example, array('year' => 2008, 'month' => 05) will fill in the day,
|
825 |
|
|
* hour, minute and second with the earliest possible values if type = 'min',
|
826 |
|
|
* the latest possible values if type = 'max', and the current values if type
|
827 |
|
|
* = 'now'.
|
828 |
85ad3d82
|
Assos Assos
|
*/
|
829 |
|
|
function complete_date($selected, $type = 'now') {
|
830 |
|
|
if (empty($selected)) {
|
831 |
|
|
return '';
|
832 |
|
|
}
|
833 |
|
|
// Special case for weeks.
|
834 |
|
|
if (array_key_exists('week', $selected)) {
|
835 |
|
|
$dates = date_week_range($selected['week'], $selected['year']);
|
836 |
|
|
switch ($type) {
|
837 |
|
|
case 'empty_now':
|
838 |
|
|
case 'empty_min':
|
839 |
|
|
case 'min':
|
840 |
|
|
return date_format($dates[0], 'Y-m-d H:i:s');
|
841 |
b720ea3e
|
Assos Assos
|
|
842 |
85ad3d82
|
Assos Assos
|
case 'empty_max':
|
843 |
|
|
case 'max':
|
844 |
|
|
return date_format($dates[1], 'Y-m-d H:i:s');
|
845 |
b720ea3e
|
Assos Assos
|
|
846 |
85ad3d82
|
Assos Assos
|
default:
|
847 |
|
|
return;
|
848 |
|
|
}
|
849 |
|
|
}
|
850 |
|
|
|
851 |
|
|
$compare = array_merge($this->part_info('empty_' . $type), $selected);
|
852 |
|
|
// If this is a max date, make sure the last day of
|
853 |
|
|
// the month is the right one for this date.
|
854 |
|
|
if ($type == 'max') {
|
855 |
|
|
$compare['day'] = date_days_in_month($compare['year'], $compare['month']);
|
856 |
|
|
}
|
857 |
|
|
$value = '';
|
858 |
|
|
$separators = $this->part_info('sep');
|
859 |
|
|
foreach ($this->date_parts() as $key => $name) {
|
860 |
|
|
$value .= $separators[$key] . (!empty($selected[$key]) ? $selected[$key] : $compare[$key]);
|
861 |
|
|
}
|
862 |
|
|
return $value;
|
863 |
|
|
}
|
864 |
|
|
|
865 |
|
|
/**
|
866 |
|
|
* Converts a format string into help text, i.e. 'Y-m-d' becomes 'YYYY-MM-DD'.
|
867 |
|
|
*
|
868 |
|
|
* @param string $format
|
869 |
|
|
* A date format string.
|
870 |
|
|
*
|
871 |
|
|
* @return string
|
872 |
|
|
* The conveted help text.
|
873 |
|
|
*/
|
874 |
|
|
function format_help($format) {
|
875 |
|
|
$replace = array(
|
876 |
|
|
'Y' => 'YYYY',
|
877 |
|
|
'm' => 'MM',
|
878 |
|
|
'd' => 'DD',
|
879 |
|
|
'H' => 'HH',
|
880 |
|
|
'i' => 'MM',
|
881 |
|
|
's' => 'SS',
|
882 |
|
|
'\T' => 'T',
|
883 |
|
|
);
|
884 |
|
|
return strtr($format, $replace);
|
885 |
|
|
}
|
886 |
|
|
|
887 |
|
|
/**
|
888 |
b720ea3e
|
Assos Assos
|
* A function to test the validity of various date parts.
|
889 |
85ad3d82
|
Assos Assos
|
*/
|
890 |
|
|
function part_is_valid($value, $type) {
|
891 |
|
|
if (!preg_match('/^[0-9]*$/', $value)) {
|
892 |
|
|
return FALSE;
|
893 |
|
|
}
|
894 |
|
|
$value = intval($value);
|
895 |
|
|
if ($value <= 0) {
|
896 |
|
|
return FALSE;
|
897 |
|
|
}
|
898 |
|
|
switch ($type) {
|
899 |
|
|
case 'year':
|
900 |
|
|
if ($value < DATE_MIN_YEAR) {
|
901 |
|
|
return FALSE;
|
902 |
|
|
}
|
903 |
|
|
break;
|
904 |
b720ea3e
|
Assos Assos
|
|
905 |
85ad3d82
|
Assos Assos
|
case 'month':
|
906 |
|
|
if ($value < 0 || $value > 12) {
|
907 |
|
|
return FALSE;
|
908 |
|
|
}
|
909 |
|
|
break;
|
910 |
b720ea3e
|
Assos Assos
|
|
911 |
85ad3d82
|
Assos Assos
|
case 'day':
|
912 |
|
|
if ($value < 0 || $value > 31) {
|
913 |
|
|
return FALSE;
|
914 |
|
|
}
|
915 |
|
|
break;
|
916 |
b720ea3e
|
Assos Assos
|
|
917 |
85ad3d82
|
Assos Assos
|
case 'week':
|
918 |
|
|
if ($value < 0 || $value > 53) {
|
919 |
|
|
return FALSE;
|
920 |
|
|
}
|
921 |
|
|
break;
|
922 |
|
|
}
|
923 |
|
|
return TRUE;
|
924 |
|
|
}
|
925 |
|
|
|
926 |
|
|
/**
|
927 |
|
|
* @todo.
|
928 |
|
|
*/
|
929 |
|
|
function views_formats($granularity, $type = 'sql') {
|
930 |
|
|
if (empty($granularity)) {
|
931 |
|
|
return DATE_FORMAT_ISO;
|
932 |
|
|
}
|
933 |
|
|
$formats = array('display', 'sql');
|
934 |
|
|
// Start with the site long date format and add seconds to it.
|
935 |
|
|
$short = str_replace(':i', ':i:s', variable_get('date_format_short', 'l, F j, Y - H:i'));
|
936 |
|
|
switch ($granularity) {
|
937 |
|
|
case 'year':
|
938 |
|
|
$formats['display'] = 'Y';
|
939 |
|
|
$formats['sql'] = 'Y';
|
940 |
|
|
break;
|
941 |
b720ea3e
|
Assos Assos
|
|
942 |
85ad3d82
|
Assos Assos
|
case 'month':
|
943 |
|
|
$formats['display'] = date_limit_format($short, array('year', 'month'));
|
944 |
|
|
$formats['sql'] = 'Y-m';
|
945 |
|
|
break;
|
946 |
b720ea3e
|
Assos Assos
|
|
947 |
85ad3d82
|
Assos Assos
|
case 'day':
|
948 |
b720ea3e
|
Assos Assos
|
$args = array('year', 'month', 'day');
|
949 |
|
|
$formats['display'] = date_limit_format($short, $args);
|
950 |
85ad3d82
|
Assos Assos
|
$formats['sql'] = 'Y-m-d';
|
951 |
|
|
break;
|
952 |
b720ea3e
|
Assos Assos
|
|
953 |
85ad3d82
|
Assos Assos
|
case 'hour':
|
954 |
b720ea3e
|
Assos Assos
|
$args = array('year', 'month', 'day', 'hour');
|
955 |
|
|
$formats['display'] = date_limit_format($short, $args);
|
956 |
85ad3d82
|
Assos Assos
|
$formats['sql'] = 'Y-m-d\TH';
|
957 |
|
|
break;
|
958 |
b720ea3e
|
Assos Assos
|
|
959 |
85ad3d82
|
Assos Assos
|
case 'minute':
|
960 |
b720ea3e
|
Assos Assos
|
$args = array('year', 'month', 'day', 'hour', 'minute');
|
961 |
|
|
$formats['display'] = date_limit_format($short, $args);
|
962 |
85ad3d82
|
Assos Assos
|
$formats['sql'] = 'Y-m-d\TH:i';
|
963 |
|
|
break;
|
964 |
b720ea3e
|
Assos Assos
|
|
965 |
85ad3d82
|
Assos Assos
|
case 'second':
|
966 |
b720ea3e
|
Assos Assos
|
$args = array('year', 'month', 'day', 'hour', 'minute', 'second');
|
967 |
|
|
$formats['display'] = date_limit_format($short, $args);
|
968 |
85ad3d82
|
Assos Assos
|
$formats['sql'] = 'Y-m-d\TH:i:s';
|
969 |
|
|
break;
|
970 |
b720ea3e
|
Assos Assos
|
|
971 |
85ad3d82
|
Assos Assos
|
case 'week':
|
972 |
|
|
$formats['display'] = 'F j Y (W)';
|
973 |
|
|
$formats['sql'] = 'Y-\WW';
|
974 |
|
|
break;
|
975 |
|
|
}
|
976 |
|
|
return $formats[$type];
|
977 |
|
|
}
|
978 |
|
|
|
979 |
|
|
/**
|
980 |
|
|
* @todo.
|
981 |
|
|
*/
|
982 |
|
|
function granularity_form($granularity) {
|
983 |
|
|
$form = array(
|
984 |
|
|
'#title' => t('Granularity'),
|
985 |
|
|
'#type' => 'radios',
|
986 |
|
|
'#default_value' => $granularity,
|
987 |
|
|
'#options' => $this->date_parts(),
|
988 |
b720ea3e
|
Assos Assos
|
);
|
989 |
85ad3d82
|
Assos Assos
|
return $form;
|
990 |
|
|
}
|
991 |
|
|
|
992 |
|
|
/**
|
993 |
|
|
* Parse date parts from an ISO date argument.
|
994 |
|
|
*
|
995 |
|
|
* Based on ISO 8601 date duration and time interval standards.
|
996 |
|
|
*
|
997 |
|
|
* Parses a value like 2006-01-01--2006-01-15, or 2006-W24, or @P1W.
|
998 |
|
|
* Separate start and end dates or date and period with a double hyphen (--).
|
999 |
|
|
*
|
1000 |
|
|
* The 'end' portion of the argument can be eliminated if it is the same as
|
1001 |
|
|
* the 'start' portion. Use @ instead of a date to substitute in the current
|
1002 |
|
|
* date and time.
|
1003 |
|
|
*
|
1004 |
|
|
* Use periods (P1H, P1D, P1W, P1M, P1Y) to get next hour/day/week/month/year
|
1005 |
|
|
* from now. Use date before P sign to get next hour/day/week/month/year from
|
1006 |
|
|
* that date. Use period then date to get a period that ends on the date.
|
1007 |
|
|
*
|
1008 |
|
|
* @see http://en.wikipedia.org/wiki/ISO_8601#Week_dates
|
1009 |
|
|
* @see http://en.wikipedia.org/wiki/ISO_8601#Duration
|
1010 |
|
|
*/
|
1011 |
|
|
function arg_parts($argument) {
|
1012 |
|
|
$values = array();
|
1013 |
|
|
// Keep mal-formed arguments from creating errors.
|
1014 |
|
|
if (empty($argument) || is_array($argument)) {
|
1015 |
|
|
return array('date' => array(), 'period' => array());
|
1016 |
|
|
}
|
1017 |
|
|
$fromto = explode('--', $argument);
|
1018 |
|
|
foreach ($fromto as $arg) {
|
1019 |
|
|
$parts = array();
|
1020 |
|
|
if ($arg == '@') {
|
1021 |
|
|
$date = date_now();
|
1022 |
|
|
$parts['date'] = $date->toArray();
|
1023 |
|
|
}
|
1024 |
|
|
elseif (preg_match('/(\d{4})?-?(W)?(\d{1,2})?-?(\d{1,2})?[T\s]?(\d{1,2})?:?(\d{1,2})?:?(\d{1,2})?/', $arg, $matches)) {
|
1025 |
|
|
$date = array();
|
1026 |
|
|
if (!empty($matches[1])) {
|
1027 |
|
|
$date['year'] = $matches[1];
|
1028 |
|
|
}
|
1029 |
|
|
if (!empty($matches[3])) {
|
1030 |
|
|
if (empty($matches[2])) {
|
1031 |
|
|
$date['month'] = $matches[3];
|
1032 |
|
|
}
|
1033 |
|
|
else {
|
1034 |
|
|
$date['week'] = $matches[3];
|
1035 |
|
|
}
|
1036 |
|
|
}
|
1037 |
|
|
if (!empty($matches[4])) {
|
1038 |
|
|
$date['day'] = $matches[4];
|
1039 |
|
|
}
|
1040 |
|
|
if (!empty($matches[5])) {
|
1041 |
|
|
$date['hour'] = $matches[5];
|
1042 |
|
|
}
|
1043 |
|
|
if (!empty($matches[6])) {
|
1044 |
|
|
$date['minute'] = $matches[6];
|
1045 |
|
|
}
|
1046 |
|
|
if (!empty($matches[7])) {
|
1047 |
|
|
$date['second'] = $matches[7];
|
1048 |
|
|
}
|
1049 |
|
|
$parts['date'] = $date;
|
1050 |
|
|
}
|
1051 |
|
|
if (preg_match('/^P(\d{1,4}[Y])?(\d{1,2}[M])?(\d{1,2}[W])?(\d{1,2}[D])?([T]{0,1})?(\d{1,2}[H])?(\d{1,2}[M])?(\d{1,2}[S])?/', $arg, $matches)) {
|
1052 |
|
|
$period = array();
|
1053 |
|
|
if (!empty($matches[1])) {
|
1054 |
|
|
$period['year'] = str_replace('Y', '', $matches[1]);
|
1055 |
|
|
}
|
1056 |
|
|
if (!empty($matches[2])) {
|
1057 |
|
|
$period['month'] = str_replace('M', '', $matches[2]);
|
1058 |
|
|
}
|
1059 |
|
|
if (!empty($matches[3])) {
|
1060 |
|
|
$period['week'] = str_replace('W', '', $matches[3]);
|
1061 |
|
|
}
|
1062 |
|
|
if (!empty($matches[4])) {
|
1063 |
|
|
$period['day'] = str_replace('D', '', $matches[4]);
|
1064 |
|
|
}
|
1065 |
|
|
if (!empty($matches[6])) {
|
1066 |
|
|
$period['hour'] = str_replace('H', '', $matches[6]);
|
1067 |
|
|
}
|
1068 |
|
|
if (!empty($matches[7])) {
|
1069 |
|
|
$period['minute'] = str_replace('M', '', $matches[7]);
|
1070 |
|
|
}
|
1071 |
|
|
if (!empty($matches[8])) {
|
1072 |
|
|
$period['second'] = str_replace('S', '', $matches[8]);
|
1073 |
|
|
}
|
1074 |
|
|
$parts['period'] = $period;
|
1075 |
|
|
}
|
1076 |
|
|
$values[] = $parts;
|
1077 |
|
|
}
|
1078 |
|
|
return $values;
|
1079 |
|
|
}
|
1080 |
|
|
|
1081 |
|
|
/**
|
1082 |
|
|
* Convert strings like '+1 day' to the ISO equivalent, like 'P1D' .
|
1083 |
|
|
*/
|
1084 |
|
|
function arg_replace($arg) {
|
1085 |
|
|
if (!preg_match('/([+|-])\s?([0-9]{1,32})\s?([day(s)?|week(s)?|month(s)?|year(s)?|hour(s)?|minute(s)?|second(s)?]{1,10})/', $arg, $results)) {
|
1086 |
|
|
return str_replace('now', '@', $arg);
|
1087 |
|
|
}
|
1088 |
|
|
$direction = $results[1];
|
1089 |
|
|
$count = $results[2];
|
1090 |
|
|
$item = $results[3];
|
1091 |
|
|
$replace = array(
|
1092 |
|
|
'now' => '@',
|
1093 |
|
|
'+' => 'P',
|
1094 |
|
|
'-' => 'P-',
|
1095 |
|
|
'years' => 'Y',
|
1096 |
|
|
'year' => 'Y',
|
1097 |
|
|
'months' => 'M',
|
1098 |
|
|
'month' => 'M',
|
1099 |
|
|
'weeks' => 'W',
|
1100 |
|
|
'week' => 'W',
|
1101 |
|
|
'days' => 'D',
|
1102 |
|
|
'day' => 'D',
|
1103 |
|
|
'hours' => 'H',
|
1104 |
|
|
'hour' => 'H',
|
1105 |
|
|
'minutes' => 'M',
|
1106 |
|
|
'minute' => 'M',
|
1107 |
|
|
'seconds' => 'S',
|
1108 |
|
|
'second' => 'S',
|
1109 |
|
|
' ' => '',
|
1110 |
|
|
' ' => '',
|
1111 |
b720ea3e
|
Assos Assos
|
);
|
1112 |
|
|
$args = array('hours', 'hour', 'minutes', 'minute', 'seconds', 'second');
|
1113 |
|
|
if (in_array($item, $args)) {
|
1114 |
|
|
$prefix = 'T';
|
1115 |
|
|
}
|
1116 |
|
|
else {
|
1117 |
|
|
$prefix = '';
|
1118 |
|
|
}
|
1119 |
|
|
$return = $prefix;
|
1120 |
|
|
$return .= strtr($direction, $replace);
|
1121 |
|
|
$return .= $count;
|
1122 |
|
|
$return .= strtr($item, $replace);
|
1123 |
|
|
|
1124 |
|
|
return $return;
|
1125 |
85ad3d82
|
Assos Assos
|
}
|
1126 |
|
|
|
1127 |
|
|
/**
|
1128 |
b720ea3e
|
Assos Assos
|
* Granularity arguments handler.
|
1129 |
|
|
*
|
1130 |
599a39cd
|
Assos Assos
|
* Use the parsed values from the ISO argument to determine the granularity
|
1131 |
|
|
* of this period.
|
1132 |
85ad3d82
|
Assos Assos
|
*/
|
1133 |
|
|
function arg_granularity($arg) {
|
1134 |
|
|
$granularity = '';
|
1135 |
|
|
$parts = $this->arg_parts($arg);
|
1136 |
|
|
$date = !empty($parts[0]['date']) ? $parts[0]['date'] : (!empty($parts[1]['date']) ? $parts[1]['date'] : array());
|
1137 |
|
|
foreach ($date as $key => $part) {
|
1138 |
|
|
$granularity = $key;
|
1139 |
|
|
}
|
1140 |
|
|
return $granularity;
|
1141 |
|
|
}
|
1142 |
|
|
|
1143 |
|
|
/**
|
1144 |
599a39cd
|
Assos Assos
|
* Determine the min and max date for this period.
|
1145 |
|
|
*
|
1146 |
|
|
* Uses the parsed values from the ISO argument.
|
1147 |
85ad3d82
|
Assos Assos
|
*/
|
1148 |
|
|
function arg_range($arg) {
|
1149 |
|
|
// Parse the argument to get its parts.
|
1150 |
|
|
$parts = $this->arg_parts($arg);
|
1151 |
|
|
|
1152 |
|
|
// Build a range from a period-only argument (assumes the min date is now.)
|
1153 |
|
|
if (empty($parts[0]['date']) && !empty($parts[0]['period']) && (empty($parts[1]))) {
|
1154 |
|
|
$min_date = date_now();
|
1155 |
599a39cd
|
Assos Assos
|
$max_date = clone $min_date;
|
1156 |
85ad3d82
|
Assos Assos
|
foreach ($parts[0]['period'] as $part => $value) {
|
1157 |
|
|
date_modify($max_date, "+$value $part");
|
1158 |
|
|
}
|
1159 |
|
|
date_modify($max_date, '-1 second');
|
1160 |
|
|
return array($min_date, $max_date);
|
1161 |
|
|
}
|
1162 |
|
|
// Build a range from a period to period argument.
|
1163 |
|
|
if (empty($parts[0]['date']) && !empty($parts[0]['period']) && !empty($parts[1]['period'])) {
|
1164 |
|
|
$min_date = date_now();
|
1165 |
599a39cd
|
Assos Assos
|
$max_date = clone $min_date;
|
1166 |
85ad3d82
|
Assos Assos
|
foreach ($parts[0]['period'] as $part => $value) {
|
1167 |
|
|
date_modify($min_date, "+$value $part");
|
1168 |
|
|
}
|
1169 |
|
|
date_modify($min_date, '-1 second');
|
1170 |
|
|
foreach ($parts[1]['period'] as $part => $value) {
|
1171 |
|
|
date_modify($max_date, "+$value $part");
|
1172 |
|
|
}
|
1173 |
|
|
date_modify($max_date, '-1 second');
|
1174 |
|
|
return array($min_date, $max_date);
|
1175 |
|
|
}
|
1176 |
|
|
if (!empty($parts[0]['date'])) {
|
1177 |
|
|
$value = $this->complete_date($parts[0]['date'], 'min');
|
1178 |
|
|
$min_date = new DateObject($value, date_default_timezone(), DATE_FORMAT_DATETIME);
|
1179 |
|
|
// Build a range from a single date-only argument.
|
1180 |
|
|
if (empty($parts[1]) || (empty($parts[1]['date']) && empty($parts[1]['period']))) {
|
1181 |
|
|
$value = $this->complete_date($parts[0]['date'], 'max');
|
1182 |
|
|
$max_date = new DateObject($value, date_default_timezone(), DATE_FORMAT_DATETIME);
|
1183 |
|
|
return array($min_date, $max_date);
|
1184 |
|
|
}
|
1185 |
|
|
// Build a range from start date + period.
|
1186 |
|
|
elseif (!empty($parts[1]['period'])) {
|
1187 |
|
|
foreach ($parts[1]['period'] as $part => $value) {
|
1188 |
599a39cd
|
Assos Assos
|
$max_date = clone $min_date;
|
1189 |
85ad3d82
|
Assos Assos
|
date_modify($max_date, "+$value $part");
|
1190 |
|
|
}
|
1191 |
|
|
date_modify($max_date, '-1 second');
|
1192 |
|
|
return array($min_date, $max_date);
|
1193 |
|
|
}
|
1194 |
|
|
}
|
1195 |
|
|
// Build a range from start date and end date.
|
1196 |
|
|
if (!empty($parts[1]['date'])) {
|
1197 |
|
|
$value = $this->complete_date($parts[1]['date'], 'max');
|
1198 |
|
|
$max_date = new DateObject($value, date_default_timezone(), DATE_FORMAT_DATETIME);
|
1199 |
|
|
if (isset($min_date)) {
|
1200 |
|
|
return array($min_date, $max_date);
|
1201 |
|
|
}
|
1202 |
|
|
}
|
1203 |
|
|
// Build a range from period + end date.
|
1204 |
|
|
if (!empty($parts[0]['period'])) {
|
1205 |
|
|
$min_date = date_now();
|
1206 |
|
|
foreach ($parts[0]['period'] as $part => $value) {
|
1207 |
|
|
date_modify($min_date, "$value $part");
|
1208 |
|
|
}
|
1209 |
|
|
return array($min_date, $max_date);
|
1210 |
|
|
}
|
1211 |
b720ea3e
|
Assos Assos
|
// Intercept invalid info and fall back to the current date.
|
1212 |
85ad3d82
|
Assos Assos
|
$now = date_now();
|
1213 |
|
|
return array($now, $now);
|
1214 |
|
|
}
|
1215 |
|
|
} |