Move syncers to src/Sync subdirectory

2021-05-06 23:37:31 +02:00
parent 74caf06280
commit db6953ca51
5 changed files with 0 additions and 0 deletions
--- a/src/Sync/NodaPersinstFulltextSync.php
+++ b/src/Sync/NodaPersinstFulltextSync.php
@ -0,0 +1,162 @@
+<?PHP
+/**
+ * Contains a class for keeping the persinst fulltext index in sync.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Class for keeping the persinst fulltext index in sync.
+ */
+final class NodaPersinstFulltextSync {
+
+    /** @var MDMysqli */
+    private MDMysqli $_mysqli_noda;
+
+    /**
+     * Removes the obsolete entries.
+     *
+     * @return void
+     */
+    public function removeObsolete():void {
+
+        $result = $this->_mysqli_noda->do_read_query("SELECT 1
+            FROM `persinst_fulltext`
+            WHERE `persinst_fulltext`.`persinst_id` NOT IN (SELECT `persinst`.`persinst_id` FROM `persinst`)
+            LIMIT 1");
+
+        if ($result->num_rows === 0) {
+            $result->close();
+            $result = null;
+            return;
+        }
+        $result->close();
+        $result = null;
+
+        $this->_mysqli_noda->do_update_query_large("DELETE FROM `persinst_fulltext`
+            WHERE NOT EXISTS (SELECT 1 FROM `persinst`
+                WHERE `persinst`.`persinst_id` = `persinst_fulltext`.`persinst_id`)");
+
+    }
+
+    /**
+     * Gets the entries to update.
+     *
+     * @return array<string>
+     */
+    public function getNewEntries():array {
+
+        $result = $this->_mysqli_noda->do_read_query("SELECT `persinst_id`,
+                `persinst_anzeigename`, `persinst_name`
+            FROM `persinst`
+            WHERE NOT EXISTS (SELECT 1
+                FROM `persinst_fulltext`
+                WHERE `persinst`.`persinst_id` = `persinst_fulltext`.`persinst_id`
+                    AND `persinst`.`persinst_erfasst_am` <= `persinst_fulltext`.`update_timestamp`)
+            LIMIT 10000");
+
+        if ($result->num_rows === 0) {
+            $result->close();
+            $result = null;
+            return [];
+        }
+
+        $toUpdate = [];
+
+        while ($cur = $result->fetch_assoc()) {
+            $persinst_id = (int)$cur['persinst_id'];
+            unset($cur['persinst_id']);
+            $toUpdate[$persinst_id] = $cur;
+        }
+        $result->close();
+        $result = null;
+
+        $tlResult = $this->_mysqli_noda->do_read_query("SELECT `persinst_translation`.`persinst_id`, `trans_name` AS `name`
+            FROM `persinst_translation`
+            WHERE `persinst_translation`.`persinst_id` IN (" . implode(', ', array_keys($toUpdate)) . ")");
+
+        $translations = [];
+        while ($cur = $tlResult->fetch_assoc()) {
+            $persinst_id = (int)$cur['persinst_id'];
+            if (empty($translations[$persinst_id])) {
+                $translations[$persinst_id] = [$cur['name']];
+            }
+            else $translations[$persinst_id][] = $cur['name'];
+        }
+        $tlResult->close();
+        $tlResult = null;
+
+        $newEntries = [];
+
+        foreach ($toUpdate as $persinst_id => $values) {
+            if (isset($translations[$persinst_id])) $values = array_merge($values, $translations[$persinst_id]);
+            $newEntries[$persinst_id] = implode(' ', array_unique($values));
+        }
+
+        return $newEntries;
+
+    }
+
+    /**
+     * Loads the list of entries to update.
+     *
+     * @return void
+     */
+    public function update():void {
+
+        if (empty($toUpdate = $this->getNewEntries())) {
+            return;
+        }
+
+        if (count($toUpdate) > 1) {
+            $this->_mysqli_noda->autocommit(false);
+        }
+
+        $updateStmt = $this->_mysqli_noda->do_prepare("INSERT INTO `persinst_fulltext`
+            (`persinst_id`, `content`, `update_timestamp`)
+            VALUES
+            (?, ?, NOW())
+            ON DUPLICATE KEY UPDATE `content` = ?,
+                `update_timestamp` = NOW()");
+
+        foreach ($toUpdate as $key => $value) {
+            $updateStmt->bind_param("iss", $key, $value, $value);
+            $updateStmt->execute();
+        }
+
+        $updateStmt->close();
+        $updateStmt = null;
+
+        if (count($toUpdate) > 1) {
+            $this->_mysqli_noda->commit();
+            $this->_mysqli_noda->autocommit(true);
+        }
+
+    }
+
+    /**
+     * Sync: Wrapper function glueing together the sync process.
+     *
+     * @return void
+     */
+    public function sync():void {
+
+        $this->removeObsolete();
+        $this->update();
+
+    }
+
+    /**
+     * Constructor.
+     *
+     * @param MDMysqli $mysqli_noda DB connection.
+     *
+     * @return void
+     */
+    public function __construct(MDMysqli $mysqli_noda) {
+
+        $this->_mysqli_noda = $mysqli_noda;
+
+    }
+}