Add script to get highest related tag
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src/NodaHierarchyHelper.php
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56
src/NodaHierarchyHelper.php
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<?PHP
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/**
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* Helper for noda hierarchies.
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*
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* @author Joshua Ramon Enslin <joshua@jrenslin.de>
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*/
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declare(strict_types = 1);
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/**
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* Class for splitting times.
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*/
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final class NodaHierarchyHelper {
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/**
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* Finds highest related tag.
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*
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* @param MDMysqli $mysqli_noda DB connection.
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* @param integer $tag_id Tag ID to find in hierarchy.
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* @param MDMysqliStmt|null $higherStmt Statement for getting higher IDs from
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* the hierarchy.
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*
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* @return integer
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*/
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public static function findHighestRelatedTag(MDMysqli $mysqli_noda, int $tag_id, $higherStmt = null):int {
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$builtHigherStmt = false;
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if (!$higherStmt instanceOf MDMysqliStmt) {
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$higherStmt = $mysqli_noda->do_prepare("SELECT `tag_mayor_id`
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FROM `tag_relation`
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WHERE `tag_relation`.`tag_relation` != 2
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AND `tag_menor_id` = ?
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LIMIT 1");
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$builtHigherStmt = true;
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}
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$higherStmt->bind_param("i", $tag_id);
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$higherStmt->execute();
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$result = $higherStmt->do_get_result();
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if ($cur = $result->fetch_row()) {
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$curID = (int)$cur[0];
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$output = self::findHighestRelatedTag($mysqli_noda, $curID, $higherStmt);
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}
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else {
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$output = $tag_id;
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}
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if ($builtHigherStmt === true) {
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$higherStmt->close();
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}
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return $output;
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}
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}
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