Create new orphan_visits_counts table

module/Core/migrations/Version20240331111103.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkMigrations;
+
+use Doctrine\DBAL\Platforms\MySQLPlatform;
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Create a new orphan_visits_counts that will work similarly to the short_url_visits_counts
+ */
+final class Version20240331111103 extends AbstractMigration
+{
+    public function up(Schema $schema): void
+    {
+        $this->skipIf($schema->hasTable('orphan_visits_counts'));
+
+        $table = $schema->createTable('orphan_visits_counts');
+        $table->addColumn('id', Types::BIGINT, [
+            'unsigned' => true,
+            'autoincrement' => true,
+            'notnull' => true,
+        ]);
+        $table->setPrimaryKey(['id']);
+
+        $table->addColumn('potential_bot', Types::BOOLEAN, ['default' => false]);
+
+        $table->addColumn('slot_id', Types::INTEGER, [
+            'unsigned' => true,
+            'notnull' => true,
+            'default' => 1,
+        ]);
+
+        $table->addColumn('count', Types::BIGINT, [
+            'unsigned' => true,
+            'notnull' => true,
+            'default' => 1,
+        ]);
+
+        $table->addUniqueIndex(['potential_bot', 'slot_id'], 'UQ_slot');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->skipIf(! $schema->hasTable('orphan_visits_counts'));
+        $schema->dropTable('orphan_visits_counts');
+    }
+
+    public function isTransactional(): bool
+    {
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
+    }
+}

module/Core/migrations/Version20240331111447.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20240331111447 extends AbstractMigration
+{
+    public function up(Schema $schema): void
+    {
+        $visitsQb = $this->connection->createQueryBuilder();
+        $visitsQb->select('COUNT(id)')
+                 ->from('visits')
+                 ->where($visitsQb->expr()->isNull('short_url_id'))
+                 ->andWhere($visitsQb->expr()->eq('potential_bot', ':potential_bot'));
+
+        $botsCount = $visitsQb->setParameter('potential_bot', '1')->executeQuery()->fetchOne();
+        $nonBotsCount = $visitsQb->setParameter('potential_bot', '0')->executeQuery()->fetchOne();
+
+        if ($botsCount > 0) {
+            $this->insertCount($botsCount, potentialBot: true);
+        }
+        if ($nonBotsCount > 0) {
+            $this->insertCount($nonBotsCount, potentialBot: false);
+        }
+    }
+
+    private function insertCount(string|int $count, bool $potentialBot): void
+    {
+        $this->connection->createQueryBuilder()
+            ->insert('orphan_visits_counts')
+            ->values([
+                'count' => ':count',
+                'potential_bot' => ':potential_bot',
+            ])
+            ->setParameters([
+                'count' => $count,
+                'potential_bot' => $potentialBot ? '1' : '0',
+            ])
+            ->executeStatement();
+    }
+}