Allow normalized search (without diacritics) it should also fix the case problem with non latin languages (cyrillic).
The last part is not tested. disclaimer : Slow ! re #49, #48
This commit is contained in:
Sébastien Lucas
parent
23fcc4d641
commit
78d42b48e2
5 changed files with 148 additions and 7 deletions
101
base.php
101
base.php
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@ -256,6 +256,83 @@ function addURLParameter($urlParams, $paramName, $paramValue) {
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return $start . http_build_query($params);
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}
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function useNormAndUp () {
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global $config;
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return extension_loaded('mbstring') &&
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extension_loaded('intl') &&
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class_exists("Normalizer", $autoload = false) &&
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$config ['cops_normalized_search'] == "1";
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}
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function normalizeUtf8String( $s)
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{
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$original_string = $s;
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// maps German (umlauts) and other European characters onto two characters before just removing diacritics
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$s = preg_replace( '@\x{00c4}@u' , "AE", $s ); // umlaut Ä => AE
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$s = preg_replace( '@\x{00d6}@u' , "OE", $s ); // umlaut Ö => OE
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$s = preg_replace( '@\x{00dc}@u' , "UE", $s ); // umlaut Ü => UE
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$s = preg_replace( '@\x{00e4}@u' , "ae", $s ); // umlaut ä => ae
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$s = preg_replace( '@\x{00f6}@u' , "oe", $s ); // umlaut ö => oe
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$s = preg_replace( '@\x{00fc}@u' , "ue", $s ); // umlaut ü => ue
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$s = preg_replace( '@\x{00f1}@u' , "ny", $s ); // ñ => ny
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$s = preg_replace( '@\x{00ff}@u' , "yu", $s ); // ÿ => yu
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// maps special characters (characters with diacritics) on their base-character followed by the diacritical mark
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// exmaple: Ú => U´, á => a`
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$s = Normalizer::normalize( $s, Normalizer::FORM_D );
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$s = preg_replace( '@\pM@u' , "", $s ); // removes diacritics
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$s = preg_replace( '@\x{00df}@u' , "ss", $s ); // maps German ß onto ss
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$s = preg_replace( '@\x{00c6}@u' , "AE", $s ); // Æ => AE
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$s = preg_replace( '@\x{00e6}@u' , "ae", $s ); // æ => ae
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$s = preg_replace( '@\x{0132}@u' , "IJ", $s ); // ? => IJ
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$s = preg_replace( '@\x{0133}@u' , "ij", $s ); // ? => ij
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$s = preg_replace( '@\x{0152}@u' , "OE", $s ); // Π=> OE
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$s = preg_replace( '@\x{0153}@u' , "oe", $s ); // œ => oe
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$s = preg_replace( '@\x{00d0}@u' , "D", $s ); // Ð => D
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$s = preg_replace( '@\x{0110}@u' , "D", $s ); // Ð => D
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$s = preg_replace( '@\x{00f0}@u' , "d", $s ); // ð => d
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$s = preg_replace( '@\x{0111}@u' , "d", $s ); // d => d
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$s = preg_replace( '@\x{0126}@u' , "H", $s ); // H => H
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$s = preg_replace( '@\x{0127}@u' , "h", $s ); // h => h
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$s = preg_replace( '@\x{0131}@u' , "i", $s ); // i => i
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$s = preg_replace( '@\x{0138}@u' , "k", $s ); // ? => k
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$s = preg_replace( '@\x{013f}@u' , "L", $s ); // ? => L
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$s = preg_replace( '@\x{0141}@u' , "L", $s ); // L => L
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$s = preg_replace( '@\x{0140}@u' , "l", $s ); // ? => l
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$s = preg_replace( '@\x{0142}@u' , "l", $s ); // l => l
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$s = preg_replace( '@\x{014a}@u' , "N", $s ); // ? => N
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$s = preg_replace( '@\x{0149}@u' , "n", $s ); // ? => n
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$s = preg_replace( '@\x{014b}@u' , "n", $s ); // ? => n
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$s = preg_replace( '@\x{00d8}@u' , "O", $s ); // Ø => O
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$s = preg_replace( '@\x{00f8}@u' , "o", $s ); // ø => o
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$s = preg_replace( '@\x{017f}@u' , "s", $s ); // ? => s
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$s = preg_replace( '@\x{00de}@u' , "T", $s ); // Þ => T
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$s = preg_replace( '@\x{0166}@u' , "T", $s ); // T => T
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$s = preg_replace( '@\x{00fe}@u' , "t", $s ); // þ => t
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$s = preg_replace( '@\x{0167}@u' , "t", $s ); // t => t
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// remove all non-ASCii characters
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$s = preg_replace( '@[^\0-\x80]@u' , "", $s );
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// possible errors in UTF8-regular-expressions
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if (empty($s))
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return $original_string;
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else
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return $s;
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}
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function normAndUp ($a) {
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return mb_strtoupper (normalizeUtf8String($a), 'UTF-8');
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}
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class Link
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{
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const OPDS_THUMBNAIL_TYPE = "http://opds-spec.org/image/thumbnail";
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@ -792,29 +869,33 @@ class PageQueryResult extends Page
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private function searchByScope ($scope, $limit = FALSE) {
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$n = $this->n;
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$numberPerPage = NULL;
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$queryNormedAndUp = $this->query;
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if (useNormAndUp ()) {
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$queryNormedAndUp = normAndUp ($this->query);
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}
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if ($limit) {
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$n = 1;
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$numberPerPage = 5;
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}
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switch ($scope) {
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case self::SCOPE_BOOK :
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$array = Book::getBooksByStartingLetter ('%' . $this->query, $n, NULL, $numberPerPage);
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$array = Book::getBooksByStartingLetter ('%' . $queryNormedAndUp, $n, NULL, $numberPerPage);
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break;
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case self::SCOPE_AUTHOR :
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$array = Author::getAuthorsForSearch ('%' . $this->query);
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$array = Author::getAuthorsForSearch ('%' . $queryNormedAndUp);
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break;
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case self::SCOPE_SERIES :
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$array = Serie::getAllSeriesByQuery ($this->query);
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$array = Serie::getAllSeriesByQuery ($queryNormedAndUp);
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break;
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case self::SCOPE_TAG :
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$array = Tag::getAllTagsByQuery ($this->query, $n, NULL, $numberPerPage);
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$array = Tag::getAllTagsByQuery ($queryNormedAndUp, $n, NULL, $numberPerPage);
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break;
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case self::SCOPE_PUBLISHER :
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$array = Publisher::getAllPublishersByQuery ($this->query);
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$array = Publisher::getAllPublishersByQuery ($queryNormedAndUp);
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break;
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default:
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$array = Book::getBooksByQuery (
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array ("all" => "%" . $this->query . "%"), $n);
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array ("all" => "%" . $queryNormedAndUp . "%"), $n);
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}
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return $array;
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@ -1138,6 +1219,9 @@ abstract class Base
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try {
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if (is_readable (self::getDbFileName ($database))) {
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self::$db = new PDO('sqlite:'. self::getDbFileName ($database));
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if (useNormAndUp ()) {
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self::$db->sqliteCreateFunction ('normAndUp', 'normAndUp', 1);
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}
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} else {
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self::error ();
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}
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@ -1167,6 +1251,11 @@ abstract class Base
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public static function executeQuery($query, $columns, $filter, $params, $n, $database = NULL, $numberPerPage = NULL) {
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$totalResult = -1;
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if (useNormAndUp ()) {
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$query = preg_replace("/upper/", "normAndUp", $query);
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$columns = preg_replace("/upper/", "normAndUp", $columns);
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}
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if (is_null ($numberPerPage)) {
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$numberPerPage = getCurrentOption ("max_item_per_page");
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}
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