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lib/pkp/classes/migration/upgrade/v3_4_0/jobs/FixRegionCodes.php

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+<?php
+
+/**
+ * @file classes/migration/upgrade/v3_4_0/jobs/FixRegionCodes.php
+ *
+ * Copyright (c) 2022 Simon Fraser University
+ * Copyright (c) 2022 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class FixRegionCodes
+ *
+ * @ingroup jobs
+ *
+ * @brief Loads the FIPS-ISO mapping for the given country to the temporary table and fixes the wrong region codes, using the temporary table of FIPS-ISO mapping.
+ * If it is the last job to run, it removes the temporary indexes and the temporary table.
+ */
+
+namespace PKP\migration\upgrade\v3_4_0\jobs;
+
+use Illuminate\Bus\Batchable;
+use Illuminate\Support\Facades\DB;
+use PKP\config\Config;
+use PKP\core\Core;
+use PKP\jobs\BaseJob;
+
+class FixRegionCodes extends BaseJob
+{
+    use Batchable;
+
+    /** The country ISO code */
+    protected string $country;
+
+    /**
+     * Create a new job instance.
+     */
+    public function __construct(string $country)
+    {
+        parent::__construct();
+        $this->country = $country;
+    }
+
+    /**
+     * Execute the job.
+     */
+    public function handle(): void
+    {
+        // read the FIPS to ISO mappings for the given country and isert them into the temporary table
+        $mappings = include Core::getBaseDir() . '/' . PKP_LIB_PATH . '/lib/regionMapping.php';
+        foreach ($mappings[$this->country] as $fips => $iso) {
+            DB::table('region_mapping_tmp')->insert([
+                'country' => $this->country,
+                'fips' => $fips,
+                'iso' => $iso
+            ]);
+        }
+
+        // update region code from FIPS to ISP, according to the entries in the table region_mapping_tmp
+        // Laravel join+update does not work well with PostgreSQL, so use the direct SQLs
+        // daily
+        if (substr(Config::getVar('database', 'driver'), 0, strlen('postgres')) === 'postgres') {
+            DB::statement('
+                UPDATE metrics_submission_geo_daily AS gd
+                SET region = rm.iso
+                FROM region_mapping_tmp AS rm
+                WHERE gd.country = rm.country AND gd.region = rm.fips
+            ');
+        } else {
+            DB::statement('
+                UPDATE metrics_submission_geo_daily gd
+                INNER JOIN region_mapping_tmp rm ON (rm.country = gd.country AND rm.fips = gd.region)
+                SET gd.region = rm.iso
+            ');
+        }
+        // montly
+        if (substr(Config::getVar('database', 'driver'), 0, strlen('postgres')) === 'postgres') {
+            DB::statement('
+                UPDATE metrics_submission_geo_monthly AS gm
+                SET region = rm.iso
+                FROM region_mapping_tmp AS rm
+                WHERE gm.country = rm.country AND gm.region = rm.fips
+            ');
+        } else {
+            DB::statement('
+                UPDATE metrics_submission_geo_monthly gm
+                INNER JOIN region_mapping_tmp rm ON (rm.country = gm.country AND rm.fips = gm.region)
+                SET gm.region = rm.iso
+            ');
+        }
+
+        // clear region_mapping_tmp table
+        DB::table('region_mapping_tmp')->delete();
+    }
+}