Merge pull request #1319 from acelaya-forks/feature/emoji-support

Feature/emoji support

CHANGELOG.md

@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com), and this
 
 ## [Unreleased]
 ### Added
+* [#767](https://github.com/shlinkio/shlink/issues/767) Added full support to use emojis everywhere, whether it is custom slugs, titles, referrers, etc.
 * [#1274](https://github.com/shlinkio/shlink/issues/1274) Added support to filter short URLs lists by all provided tags.
 
   The `GET /short-urls` endpoint now accepts a `tagsMode=all` param which will make only short URLs matching **all** the tags in the `tags[]` query param, to be returned.

config/autoload/entity-manager.global.php

@@ -21,6 +21,13 @@ return (static function (): array {
         'mssql' => '1433',
         default => '3306',
     };
+    $resolveCharset = static fn () => match ($driver) {
+        // This does not determine charsets or collations in tables or columns, but the charset used in the data
+        // flowing in the connection, so it has to match what has been set in the database.
+        'maria', 'mysql' => 'utf8mb4',
+        'postgres' => 'utf8',
+        default => null,
+    };
     $resolveConnection = static fn () => match ($driver) {
         null, 'sqlite' => [
             'driver' => 'pdo_sqlite',
@@ -34,7 +41,7 @@ return (static function (): array {
             'host' => env('DB_HOST', $driver === 'postgres' ? env('DB_UNIX_SOCKET') : null),
             'port' => env('DB_PORT', $resolveDefaultPort()),
             'unix_socket' => $isMysqlCompatible ? env('DB_UNIX_SOCKET') : null,
-            'charset' => 'utf8',
+            'charset' => $resolveCharset(),
         ],
     };
 

config/autoload/entity-manager.local.php.dist

@@ -11,6 +11,7 @@ return [
             'driver' => 'pdo_mysql',
             'host' => 'shlink_db_mysql',
             'dbname' => 'shlink',
+            'charset' => 'utf8mb4',
         ],
     ],
 

config/test/test_config.global.php

@@ -55,6 +55,7 @@ $buildDbConnection = static function (): array {
             'user' => 'postgres',
             'password' => 'root',
             'dbname' => 'shlink_test',
+            'charset' => 'utf8',
         ],
         'mssql' => [
             'driver' => 'pdo_sqlsrv',
@@ -70,6 +71,7 @@ $buildDbConnection = static function (): array {
             'user' => 'root',
             'password' => 'root',
             'dbname' => 'shlink_test',
+            'charset' => 'utf8mb4',
         ],
     };
 };

data/migrations/Version20160819142757.php

@@ -5,45 +5,45 @@ declare(strict_types=1);
 namespace ShlinkMigrations;
 
 use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\MySQLPlatform;
+use Doctrine\DBAL\Platforms\SqlitePlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
 use Doctrine\Migrations\AbstractMigration;
 
+use function is_subclass_of;
+
 /**
  * Auto-generated Migration: Please modify to your needs!
  */
 class Version20160819142757 extends AbstractMigration
 {
-    private const MYSQL = 'mysql';
-    private const SQLITE = 'sqlite';
-
     /**
      * @throws Exception
      * @throws SchemaException
      */
     public function up(Schema $schema): void
     {
-        $db = $this->connection->getDatabasePlatform()->getName();
+        $platformClass = $this->connection->getDatabasePlatform();
         $table = $schema->getTable('short_urls');
         $column = $table->getColumn('short_code');
 
-        if ($db === self::MYSQL) {
-            $column->setPlatformOption('collation', 'utf8_bin');
-        } elseif ($db === self::SQLITE) {
-            $column->setPlatformOption('collate', 'BINARY');
-        }
+        match (true) {
+            is_subclass_of($platformClass, MySQLPlatform::class) => $column
+                ->setPlatformOption('charset', 'utf8mb4')
+                ->setPlatformOption('collation', 'utf8mb4_bin'),
+            is_subclass_of($platformClass, SqlitePlatform::class) => $column->setPlatformOption('collate', 'BINARY'),
+            default => null,
+        };
     }
 
-    /**
-     * @throws Exception
-     */
     public function down(Schema $schema): void
     {
-        $this->connection->getDatabasePlatform()->getName();
+        // Nothing to roll back
     }
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20160820191203.php

@@ -4,6 +4,7 @@ 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;
@@ -76,6 +77,6 @@ class Version20160820191203 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20171021093246.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
 use Doctrine\DBAL\Types\Types;
@@ -48,6 +49,6 @@ class Version20171021093246 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20171022064541.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
 use Doctrine\DBAL\Types\Types;
@@ -45,6 +46,6 @@ class Version20171022064541 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20180801183328.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
 use Doctrine\Migrations\AbstractMigration;
@@ -42,6 +43,6 @@ final class Version20180801183328 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20180913205455.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace ShlinkMigrations;
 
 use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 use PDO;
@@ -69,6 +70,6 @@ final class Version20180913205455 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20180915110857.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
 use Doctrine\Migrations\AbstractMigration;
@@ -50,6 +51,6 @@ final class Version20180915110857 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20181020060559.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace ShlinkMigrations;
 
 use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
 use Doctrine\DBAL\Schema\Table;
@@ -58,7 +59,7 @@ final class Version20181020060559 extends AbstractMigration
         foreach (self::COLUMNS as $camelCaseName => $snakeCaseName) {
             $qb->set($snakeCaseName, $camelCaseName);
         }
-        $qb->execute();
+        $qb->executeStatement();
     }
 
     public function down(Schema $schema): void
@@ -68,6 +69,6 @@ final class Version20181020060559 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20181020065148.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
 use Doctrine\Migrations\AbstractMigration;
@@ -41,6 +42,6 @@ final class Version20181020065148 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20181110175521.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
@@ -37,6 +38,6 @@ final class Version20181110175521 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20190824075137.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
@@ -37,6 +38,6 @@ final class Version20190824075137 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20190930165521.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
 use Doctrine\DBAL\Types\Types;
@@ -55,6 +56,6 @@ final class Version20190930165521 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20191001201532.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Index;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
@@ -49,6 +50,6 @@ final class Version20191001201532 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20191020074522.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\SchemaException;
@@ -37,6 +38,6 @@ final class Version20191020074522 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20200105165647.php

@@ -5,6 +5,8 @@ declare(strict_types=1);
 namespace ShlinkMigrations;
 
 use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\MySQLPlatform;
+use Doctrine\DBAL\Platforms\PostgreSQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\Migrations\AbstractMigration;
@@ -38,7 +40,7 @@ final class Version20200105165647 extends AbstractMigration
                    'zeroValue' => '0',
                    'emptyString' => '',
                ])
-               ->execute();
+               ->executeStatement();
         }
     }
 
@@ -61,14 +63,14 @@ final class Version20200105165647 extends AbstractMigration
      */
     public function postUp(Schema $schema): void
     {
-        $platformName = $this->connection->getDatabasePlatform()->getName();
-        $castType = $platformName === 'postgres' ? 'DOUBLE PRECISION' : 'DECIMAL(9,2)';
+        $isPostgres = $this->connection->getDatabasePlatform() instanceof PostgreSQLPlatform;
+        $castType = $isPostgres ? 'DOUBLE PRECISION' : 'DECIMAL(9,2)';
 
         foreach (self::COLUMNS as $newName => $oldName) {
             $qb = $this->connection->createQueryBuilder();
             $qb->update('visit_locations')
                ->set($newName, 'CAST(' . $oldName . ' AS ' . $castType . ')')
-               ->execute();
+               ->executeStatement();
         }
     }
 
@@ -78,7 +80,7 @@ final class Version20200105165647 extends AbstractMigration
             $qb = $this->connection->createQueryBuilder();
             $qb->update('visit_locations')
                ->set($oldName, $newName)
-               ->execute();
+               ->executeStatement();
         }
     }
 
@@ -96,6 +98,6 @@ final class Version20200105165647 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20200106215144.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace ShlinkMigrations;
 
 use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\Migrations\AbstractMigration;
@@ -47,6 +48,6 @@ final class Version20200106215144 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20200110182849.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
@@ -36,6 +38,9 @@ final class Version20200110182849 extends AbstractMigration
         );
     }
 
+    /**
+     * @throws Exception
+     */
     public function setDefaultValueForColumnInTable(string $tableName, string $columnName): void
     {
         $qb = $this->connection->createQueryBuilder();
@@ -43,7 +48,7 @@ final class Version20200110182849 extends AbstractMigration
            ->set($columnName, ':emptyValue')
            ->setParameter('emptyValue', self::DEFAULT_EMPTY_VALUE)
            ->where($qb->expr()->isNull($columnName))
-           ->execute();
+           ->executeStatement();
     }
 
     public function down(Schema $schema): void
@@ -53,6 +58,6 @@ final class Version20200110182849 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20200323190014.php

@@ -4,6 +4,7 @@ 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;
@@ -32,7 +33,7 @@ final class Version20200323190014 extends AbstractMigration
            ->andWhere($qb->expr()->eq('lon', 0))
            ->setParameter('isEmpty', true)
            ->setParameter('emptyString', '')
-           ->execute();
+           ->executeStatement();
     }
 
     public function down(Schema $schema): void
@@ -45,6 +46,6 @@ final class Version20200323190014 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20200503170404.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
@@ -27,6 +28,6 @@ final class Version20200503170404 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20201023090929.php

@@ -4,6 +4,7 @@ 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;
@@ -44,6 +45,6 @@ final class Version20201023090929 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20201102113208.php

@@ -6,6 +6,7 @@ namespace ShlinkMigrations;
 
 use Cake\Chronos\Chronos;
 use Doctrine\DBAL\Driver\Result;
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\Migrations\AbstractMigration;
@@ -86,6 +87,6 @@ final class Version20201102113208 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20210102174433.php

@@ -4,6 +4,7 @@ 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;
@@ -52,6 +53,6 @@ final class Version20210102174433 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20210118153932.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
@@ -26,6 +27,6 @@ final class Version20210118153932 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20210202181026.php

@@ -4,6 +4,7 @@ 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;
@@ -36,6 +37,6 @@ final class Version20210202181026 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20210207100807.php

@@ -4,6 +4,7 @@ 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;
@@ -43,6 +44,6 @@ final class Version20210207100807 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20210306165711.php

@@ -4,6 +4,7 @@ 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;
@@ -37,6 +38,6 @@ final class Version20210306165711 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20210522051601.php

@@ -4,6 +4,7 @@ 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;
@@ -26,6 +27,6 @@ final class Version20210522051601 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20210522124633.php

@@ -4,6 +4,7 @@ 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;
@@ -28,6 +29,6 @@ final class Version20210522124633 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20210720143824.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace ShlinkMigrations;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Schema\Table;
 use Doctrine\DBAL\Types\Types;
@@ -41,6 +42,6 @@ final class Version20210720143824 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20211002072605.php

@@ -4,6 +4,7 @@ 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;
@@ -26,6 +27,6 @@ final class Version20211002072605 extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

data/migrations/Version20220110113313.php

@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkMigrations;
+
+use Doctrine\DBAL\Platforms\MySQLPlatform;
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20220110113313 extends AbstractMigration
+{
+    private const CHARSET = 'utf8mb4';
+    private const COLLATIONS = [
+        'short_urls' => [
+            'original_url' => 'unicode_ci',
+            'short_code' => 'bin',
+            'import_original_short_code' => 'unicode_ci',
+            'title' => 'unicode_ci',
+        ],
+        'domains' => [
+            'authority' => 'unicode_ci',
+            'base_url_redirect' => 'unicode_ci',
+            'regular_not_found_redirect' => 'unicode_ci',
+            'invalid_short_url_redirect' => 'unicode_ci',
+        ],
+        'tags' => [
+            'name' => 'unicode_ci',
+        ],
+        'visits' => [
+            'referer' => 'unicode_ci',
+            'user_agent' => 'unicode_ci',
+            'visited_url' => 'unicode_ci',
+        ],
+        'visit_locations' => [
+            'country_code' => 'unicode_ci',
+            'country_name' => 'unicode_ci',
+            'region_name' => 'unicode_ci',
+            'city_name' => 'unicode_ci',
+            'timezone' => 'unicode_ci',
+        ],
+    ];
+
+    public function up(Schema $schema): void
+    {
+        $this->skipIf(! $this->isMySql(), 'This only sets MySQL-specific database options');
+
+        foreach (self::COLLATIONS as $tableName => $columns) {
+            $table = $schema->getTable($tableName);
+
+            foreach ($columns as $columnName => $collation) {
+                $table->getColumn($columnName)
+                      ->setPlatformOption('charset', self::CHARSET)
+                      ->setPlatformOption('collation', self::CHARSET . '_' . $collation);
+            }
+        }
+    }
+
+    public function down(Schema $schema): void
+    {
+        // No down
+    }
+
+    public function isTransactional(): bool
+    {
+        return ! $this->isMySql();
+    }
+
+    private function isMySql(): bool
+    {
+        return $this->connection->getDatabasePlatform() instanceof MySQLPlatform;
+    }
+}

data/migrations_template.txt

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace <namespace>;
 
+use Doctrine\DBAL\Platforms\MySQLPlatform;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
@@ -21,6 +22,6 @@ final class <className> extends AbstractMigration
 
     public function isTransactional(): bool
     {
-        return $this->connection->getDatabasePlatform()->getName() !== 'mysql';
+        return ! ($this->connection->getDatabasePlatform() instanceof MySQLPlatform);
     }
 }

module/Core/config/entities-mappings/Shlinkio.Shlink.Core.Entity.Domain.php

@@ -21,21 +21,21 @@ return static function (ClassMetadata $metadata, array $emConfig): void {
             ->option('unsigned', true)
             ->build();
 
-    $builder->createField('authority', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('authority', Types::STRING), $emConfig)
             ->unique()
             ->build();
 
-    $builder->createField('baseUrlRedirect', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('baseUrlRedirect', Types::STRING), $emConfig)
             ->columnName('base_url_redirect')
             ->nullable()
             ->build();
 
-    $builder->createField('regular404Redirect', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('regular404Redirect', Types::STRING), $emConfig)
             ->columnName('regular_not_found_redirect')
             ->nullable()
             ->build();
 
-    $builder->createField('invalidShortUrlRedirect', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('invalidShortUrlRedirect', Types::STRING), $emConfig)
             ->columnName('invalid_short_url_redirect')
             ->nullable()
             ->build();

module/Core/config/entities-mappings/Shlinkio.Shlink.Core.Entity.ShortUrl.php

@@ -23,12 +23,12 @@ return static function (ClassMetadata $metadata, array $emConfig): void {
             ->option('unsigned', true)
             ->build();
 
-    $builder->createField('longUrl', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('longUrl', Types::STRING), $emConfig)
             ->columnName('original_url')
             ->length(2048)
             ->build();
 
-    $builder->createField('shortCode', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('shortCode', Types::STRING), $emConfig, 'bin')
             ->columnName('short_code')
             ->length(255)
             ->build();
@@ -57,7 +57,7 @@ return static function (ClassMetadata $metadata, array $emConfig): void {
             ->nullable()
             ->build();
 
-    $builder->createField('importOriginalShortCode', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('importOriginalShortCode', Types::STRING), $emConfig)
             ->columnName('import_original_short_code')
             ->nullable()
             ->build();
@@ -85,7 +85,7 @@ return static function (ClassMetadata $metadata, array $emConfig): void {
 
     $builder->addUniqueConstraint(['short_code', 'domain_id'], 'unique_short_code_plus_domain');
 
-    $builder->createField('title', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('title', Types::STRING), $emConfig)
             ->columnName('title')
             ->length(512)
             ->nullable()

module/Core/config/entities-mappings/Shlinkio.Shlink.Core.Entity.Tag.php

@@ -21,7 +21,7 @@ return static function (ClassMetadata $metadata, array $emConfig): void {
             ->option('unsigned', true)
             ->build();
 
-    $builder->createField('name', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('name', Types::STRING), $emConfig)
             ->unique()
             ->build();
 

module/Core/config/entities-mappings/Shlinkio.Shlink.Core.Entity.Visit.php

@@ -23,7 +23,7 @@ return static function (ClassMetadata $metadata, array $emConfig): void {
             ->option('unsigned', true)
             ->build();
 
-    $builder->createField('referer', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('referer', Types::STRING), $emConfig)
             ->nullable()
             ->length(Visitor::REFERER_MAX_LENGTH)
             ->build();
@@ -40,7 +40,7 @@ return static function (ClassMetadata $metadata, array $emConfig): void {
             ->nullable()
             ->build();
 
-    $builder->createField('userAgent', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('userAgent', Types::STRING), $emConfig)
             ->columnName('user_agent')
             ->length(Visitor::USER_AGENT_MAX_LENGTH)
             ->nullable()
@@ -55,7 +55,7 @@ return static function (ClassMetadata $metadata, array $emConfig): void {
             ->cascadePersist()
             ->build();
 
-    $builder->createField('visitedUrl', Types::STRING)
+    fieldWithUtf8Charset($builder->createField('visitedUrl', Types::STRING), $emConfig)
             ->columnName('visited_url')
             ->length(Visitor::VISITED_URL_MAX_LENGTH)
             ->nullable()

module/Core/config/entities-mappings/Shlinkio.Shlink.Core.Entity.VisitLocation.php

@@ -29,7 +29,7 @@ return static function (ClassMetadata $metadata, array $emConfig): void {
     ];
 
     foreach ($columns as $columnName => $fieldName) {
-        $builder->createField($fieldName, Types::STRING)
+        fieldWithUtf8Charset($builder->createField($fieldName, Types::STRING), $emConfig)
                 ->columnName($columnName)
                 ->nullable()
                 ->build();

module/Core/functions/functions.php

@@ -6,6 +6,7 @@ namespace Shlinkio\Shlink\Core;
 
 use Cake\Chronos\Chronos;
 use DateTimeInterface;
+use Doctrine\ORM\Mapping\Builder\FieldBuilder;
 use Jaybizzle\CrawlerDetect\CrawlerDetect;
 use Laminas\InputFilter\InputFilter;
 use PUGX\Shortid\Factory as ShortIdFactory;
@@ -13,13 +14,10 @@ use Shlinkio\Shlink\Common\Util\DateRange;
 
 use function Functional\reduce_left;
 use function is_array;
-use function lcfirst;
 use function print_r;
 use function Shlinkio\Shlink\Common\buildDateRange;
 use function sprintf;
 use function str_repeat;
-use function str_replace;
-use function ucwords;
 
 function generateRandomShortCode(int $length): string
 {
@@ -34,7 +32,7 @@ function generateRandomShortCode(int $length): string
 
 function parseDateFromQuery(array $query, string $dateName): ?Chronos
 {
-    return ! isset($query[$dateName]) || empty($query[$dateName]) ? null : Chronos::parse($query[$dateName]);
+    return empty($query[$dateName] ?? null) ? null : Chronos::parse($query[$dateName]);
 }
 
 function parseDateRangeFromQuery(array $query, string $startDateName, string $endDateName): DateRange
@@ -100,11 +98,6 @@ function arrayToString(array $array, int $indentSize = 4): string
     }, '');
 }
 
-function kebabCaseToCamelCase(string $name): string
-{
-    return lcfirst(str_replace(' ', '', ucwords(str_replace('-', ' ', $name))));
-}
-
 function isCrawler(string $userAgent): bool
 {
     static $detector;
@@ -114,3 +107,12 @@ function isCrawler(string $userAgent): bool
 
     return $detector->isCrawler($userAgent);
 }
+
+function fieldWithUtf8Charset(FieldBuilder $field, array $emConfig, string $collation = 'unicode_ci'): FieldBuilder
+{
+    return match ($emConfig['connection']['driver'] ?? null) {
+        'pdo_mysql' => $field->option('charset', 'utf8mb4')
+                             ->option('collation', 'utf8mb4_' . $collation),
+        default => $field,
+    };
+}

module/Core/src/ShortUrl/Helper/ShortUrlStringifier.php

@@ -17,19 +17,17 @@ class ShortUrlStringifier implements ShortUrlStringifierInterface
 
     public function stringify(ShortUrl $shortUrl): string
     {
-        return (new Uri())->withPath($shortUrl->getShortCode())
-                          ->withScheme($this->domainConfig['schema'] ?? 'http')
+        $uriWithoutShortCode = (new Uri())->withScheme($this->domainConfig['schema'] ?? 'http')
                                           ->withHost($this->resolveDomain($shortUrl))
+                                          ->withPath($this->basePath)
                                           ->__toString();
+
+        // The short code needs to be appended to avoid it from being URL-encoded
+        return sprintf('%s/%s', $uriWithoutShortCode, $shortUrl->getShortCode());
     }
 
     private function resolveDomain(ShortUrl $shortUrl): string
     {
-        $domain = $shortUrl->getDomain();
-        if ($domain === null) {
-            return $this->domainConfig['hostname'] ?? '';
-        }
-
-        return sprintf('%s%s', $domain->getAuthority(), $this->basePath);
+        return $shortUrl->getDomain()?->getAuthority() ?? $this->domainConfig['hostname'] ?? '';
     }
 }

module/Core/test/ShortUrl/Helper/ShortUrlStringifierTest.php

@@ -43,6 +43,18 @@ class ShortUrlStringifierTest extends TestCase
             $shortUrlWithShortCode('bar'),
             'http://example.com/bar',
         ];
+        yield 'special chars in short code' => [
+            ['hostname' => 'example.com'],
+            '',
+            $shortUrlWithShortCode('グーグル'),
+            'http://example.com/グーグル',
+        ];
+        yield 'emojis in short code' => [
+            ['hostname' => 'example.com'],
+            '',
+            $shortUrlWithShortCode('🦣-🍅'),
+            'http://example.com/🦣-🍅',
+        ];
         yield 'hostname with base path in config' => [
             ['hostname' => 'example.com/foo/bar'],
             '',

module/Rest/test-api/Action/CreateShortUrlTest.php

@@ -315,11 +315,22 @@ class CreateShortUrlTest extends ApiTestCase
         yield ['https://mobile.twitter.com/shlinkio/status/1360637738421268481'];
     }
 
+    /** @test */
+    public function canCreateShortUrlsWithEmojis(): void
+    {
+        [$statusCode, $payload] = $this->createShortUrl([
+            'longUrl' => 'https://emojipedia.org/fire/',
+            'title' => '🔥🔥🔥',
+            'customSlug' => '🦣🦣🦣',
+        ]);
+        self::assertEquals(self::STATUS_OK, $statusCode);
+        self::assertEquals('🔥🔥🔥', $payload['title']);
+        self::assertEquals('🦣🦣🦣', $payload['shortCode']);
+        self::assertEquals('http://doma.in/🦣🦣🦣', $payload['shortUrl']);
+    }
+
     /**
-     * @return array {
-     *     @var int $statusCode
-     *     @var array $payload
-     * }
+     * @return array{int $statusCode, array $payload}
      */
     private function createShortUrl(array $body = [], string $apiKey = 'valid_api_key'): array
     {