162 lines
4.4 KiB
PHP
162 lines
4.4 KiB
PHP
<?php
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/**
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* @file
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* Contains the SearchApiViewsHandlerArgumentDate class.
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*/
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/**
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* Defines a contextual filter searching for a date or date range.
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*/
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class SearchApiViewsHandlerArgumentDate extends SearchApiViewsHandlerArgument {
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/**
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* {@inheritdoc}
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*/
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public function query($group_by = FALSE) {
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if (empty($this->value)) {
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$this->fillValue();
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if ($this->value === FALSE) {
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$this->abort();
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return;
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}
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}
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$outer_conjunction = strtoupper($this->operator);
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if (empty($this->options['not'])) {
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$operator = '=';
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$inner_conjunction = 'OR';
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}
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else {
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$operator = '<>';
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$inner_conjunction = 'AND';
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}
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if (!empty($this->value)) {
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if (!empty($this->value)) {
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$outer_filter = $this->query->createFilter($outer_conjunction);
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foreach ($this->value as $value) {
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$value_filter = $this->query->createFilter($inner_conjunction);
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$values = explode(';', $value);
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$values = array_map(array($this, 'getTimestamp'), $values);
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if (in_array(FALSE, $values, TRUE)) {
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$this->abort();
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return;
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}
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$is_range = (count($values) > 1);
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$inner_filter = ($is_range ? $this->query->createFilter('AND') : $value_filter);
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$range_op = (empty($this->options['not']) ? '>=' : '<');
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$inner_filter->condition($this->real_field, $values[0], $is_range ? $range_op : $operator);
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if ($is_range) {
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$range_op = (empty($this->options['not']) ? '<=' : '>');
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$inner_filter->condition($this->real_field, $values[1], $range_op);
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$value_filter->filter($inner_filter);
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}
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$outer_filter->filter($value_filter);
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}
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$this->query->filter($outer_filter);
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}
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}
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}
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/**
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* Converts a value to a timestamp, if it isn't one already.
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*
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* @param string|int $value
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* The value to convert. Either a timestamp, or a date/time string as
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* recognized by strtotime().
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*
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* @return int|false
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* The parsed timestamp, or FALSE if an illegal string was passed.
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*/
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public function getTimestamp($value) {
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if (is_numeric($value)) {
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return $value;
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}
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return strtotime($value);
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}
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/**
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* Fills $this->value with data from the argument.
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*/
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protected function fillValue() {
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if (!empty($this->options['break_phrase'])) {
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// Set up defaults:
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if (!isset($this->value)) {
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$this->value = array();
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}
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if (!isset($this->operator)) {
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$this->operator = 'OR';
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}
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if (empty($this->argument)) {
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return;
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}
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if (preg_match('/^([-\d;:\s]+\+)*[-\d;:\s]+$/', $this->argument)) {
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// The '+' character in a query string may be parsed as ' '.
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$this->value = explode('+', $this->argument);
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}
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elseif (preg_match('/^([-\d;:\s]+,)*[-\d;:\s]+$/', $this->argument)) {
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$this->operator = 'AND';
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$this->value = explode(',', $this->argument);
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}
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// Keep an 'error' value if invalid strings were given.
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if (!empty($this->argument) && (empty($this->value) || !is_array($this->value))) {
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$this->value = FALSE;
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}
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}
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else {
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$this->value = array($this->argument);
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}
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}
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/**
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* Aborts the associated query due to an illegal argument.
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*/
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protected function abort() {
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$variables['!field'] = $this->definition['group'] . ': ' . $this->definition['title'];
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$this->query->abort(t('Illegal argument passed to !field contextual filter.', $variables));
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}
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/**
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* Computes the title this argument will assign the view, given the argument.
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*
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* @return string
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* A title fitting for the passed argument.
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*/
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public function title() {
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if (!empty($this->argument)) {
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if (empty($this->value)) {
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$this->fillValue();
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}
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$dates = array();
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foreach ($this->value as $date) {
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$date_parts = explode(';', $date);
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$ts = $this->getTimestamp($date_parts[0]);
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$datestr = format_date($ts, 'short');
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if (count($date_parts) > 1) {
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$ts = $this->getTimestamp($date_parts[1]);
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$datestr .= ' - ' . format_date($ts, 'short');
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}
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if ($datestr) {
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$dates[] = $datestr;
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}
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}
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return $dates ? implode(', ', $dates) : check_plain($this->argument);
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}
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return check_plain($this->argument);
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}
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}
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