/**
* Support method for initGenericRangeFilters() -- build a filter query based on
* a range of values.
*
* @param string $field field to use for filtering.
* @param string $from start of range.
* @param string $to end of range.
* @param bool $cs Should ranges be case-sensitive?
*
* @return string filter query.
*/
protected function buildGenericRangeFilter($field, $from, $to, $cs = true)
{
// Assume Solr syntax -- this should be overridden in child classes where
// other indexing methodologies are used.
$range = "{$field}:[{$from} TO {$to}]";
if (!$cs) {
// Flip values if out of order:
if (strcmp(strtolower($from), strtolower($to)) > 0) {
$range = "{$field}:[{$to} TO {$from}]";
}
$helper = new LuceneSyntaxHelper(false, false);
$range = $helper->capitalizeRanges($range);
}
return $range;
}
/**
* Test capitalizeRanges functionality.
*
* @return void
*/
public function testCapitalizeRanges()
{
$lh = new LuceneSyntaxHelper();
// Set up an array of expected inputs and outputs:
// @codingStandardsIgnoreStart
$tests = [['"{a to b}"', '"{a to b}"'], ['"[a to b]"', '"[a to b]"'], ['[a to b]', '([a TO b] OR [A TO B])'], ['[a TO b]', '([a TO b] OR [A TO B])'], ['[a To b]', '([a TO b] OR [A TO B])'], ['[a tO b]', '([a TO b] OR [A TO B])'], ['{a to b}', '({a TO b} OR {A TO B})'], ['{a TO b}', '({a TO b} OR {A TO B})'], ['{a To b}', '({a TO b} OR {A TO B})'], ['{a tO b}', '({a TO b} OR {A TO B})'], ['[1900 to 1910]', '[1900 TO 1910]'], ['[1900 TO 1910]', '[1900 TO 1910]'], ['{1900 to 1910}', '{1900 TO 1910}'], ['{1900 TO 1910}', '{1900 TO 1910}'], ['[a to b]', '([a TO b] OR [A TO B])'], ['[1900-01-01t00:00:00z to 1900-12-31t23:59:59z]', '[1900-01-01T00:00:00Z TO 1900-12-31T23:59:59Z]'], ['{1900-01-01T00:00:00Z TO 1900-12-31T23:59:59Z}', '{1900-01-01T00:00:00Z TO 1900-12-31T23:59:59Z}']];
// @codingStandardsIgnoreEnd
// Test all the operations:
foreach ($tests as $current) {
$this->assertEquals($lh->capitalizeRanges($current[0]), $current[1]);
}
}
