- WIP on Collation

src/Adapter/MySQL.php

@@ -150,6 +150,7 @@ class MySQL implements AdapterInterface, MigrateInterface, SqlAdapterInterface {
     public static function escapeIdentifier(string $segment, int $type) : string
     {
         switch($type) {
+            default:
             case static::IDENTIFIER_DATABASE:
             case static::IDENTIFIER_TABLE:
             case static::IDENTIFIER_FIELD:

src/Adapter/SQLite.php

@@ -2,9 +2,9 @@
 
 namespace Ulmus\Adapter;
 
+use Collator;
 use Ulmus\Common\PdoObject;
 use Ulmus\ConnectionAdapter;
-
 use Ulmus\Entity;
 use Ulmus\Migration\FieldDefinition;
 use Ulmus\{Migration\MigrateInterface, Repository, QueryBuilder};
@@ -37,6 +37,7 @@ class SQLite implements AdapterInterface, MigrateInterface, SqlAdapterInterface
             };
 
             $this->exportFunctions($pdo);
+            $this->exportCollations($pdo);
             $this->registerPragma($pdo, $this->pragmaBegin);
         }
         catch(\PDOException $ex){
@@ -196,6 +197,37 @@ class SQLite implements AdapterInterface, MigrateInterface, SqlAdapterInterface
         $pdo->sqliteCreateFunction('year', fn($date) => ( new \DateTime($date) )->format('Y'), 1);
     }
 
+
+    public function exportCollations(PdoObject $pdo) : void
+    {
+
+        if ( class_exists('Locale') ) {
+            # @TODO debug this, case-sensitivity not working properly !!
+            $collator = new Collator(\Locale::getDefault());
+            $collator->setStrength(Collator::TERTIARY);
+            $collator->setAttribute(Collator::NUMERIC_COLLATION, Collator::ON);
+
+            $pdo->sqliteCreateCollation('locale_cmp', fn($e1, $e2) => $collator->compare($e1, $e2));
+            $pdo->sqliteCreateCollation('locale_cmp_desc', fn($e1, $e2) => $collator->compare($e2, $e1));
+
+            $collatorCi = new Collator(\Locale::getDefault());
+            $collatorCi->setStrength(Collator::SECONDARY);
+            $collatorCi->setAttribute(Collator::NUMERIC_COLLATION, Collator::ON);
+
+            $pdo->sqliteCreateCollation('locale_cmp_ci', fn($e1, $e2) => $collatorCi->compare($e1, $e2));
+            $pdo->sqliteCreateCollation('locale_cmp_ci_desc', fn($e1, $e2) => $collatorCi->compare($e2, $e1));
+        }
+        else {
+            $comp = fn(string $e1, string $e2) => \iconv('UTF-8', 'ASCII//TRANSLIT', $e1) <=> \iconv('UTF-8', 'ASCII//TRANSLIT', $e2);
+            $pdo->sqliteCreateCollation('locale_cmp', fn($e1, $e2) => $comp);
+            $pdo->sqliteCreateCollation('locale_cmp_desc', fn($e2, $e1) => $comp);
+
+            $compCi = fn(string $e1, string $e2) => strtoupper(\iconv('UTF-8', 'ASCII//TRANSLIT', $e1)) <=> strtoupper(\iconv('UTF-8', 'ASCII//TRANSLIT', $e2));
+            $pdo->sqliteCreateCollation('locale_cmp_ci', fn($e1, $e2) => $compCi);
+            $pdo->sqliteCreateCollation('locale_cmp_ci_desc', fn($e2, $e1) => $compCi);
+        }
+    }
+
     public static function registerPragma(PdoObject $pdo, array $pragmaList) : void
     {
         $builder = new QueryBuilder\Sql\SqliteQueryBuilder();

src/Attribute/Obj/Collation.php

@@ -4,5 +4,7 @@ namespace Ulmus\Attribute\Obj;
 
 #[\Attribute(\Attribute::TARGET_CLASS)]
 class Collation {
-
+    public function __construct(
+        public string $name = ""
+    ) {}
 }

src/Attribute/Property/Collation.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Ulmus\Attribute\Property;
+
+#[\Attribute(\Attribute::TARGET_PROPERTY)]
+class Collation {
+    public function __construct(
+        public string $name = ""
+    ) {}
+}

src/Common/Sql.php

@@ -84,8 +84,12 @@ abstract class Sql {
         return $value;
     }
 
-    public static function parameter($value) : string
+    public static function collate(string $name) : string
     {
+        if ( ! preg_match('/^[a-z0-9$_]+$/i',$name) ) {
+            throw new \InvalidArgumentException(sprintf("Given identifier '%s' should contains supported characters in function name (a-Z, 0-9, $ and _)", $name));
+        }
 
+        return static::raw(sprintf("COLLATE %s", $name));
     }
 }

src/Query/OrderBy.php

@@ -8,6 +8,7 @@ class OrderBy extends Fragment {
     public array $orderBy = [];
     
     const SQL_TOKEN = "ORDER BY";
+    const SQL_COLLATE = "COLLATE";
 
     public function set(array $order) : self
     {
@@ -16,7 +17,7 @@ class OrderBy extends Fragment {
         return $this;
     }
 
-    public function add(object|string $field, ? string $direction = null) : self
+    public function add(string|\Stringable $field, ? string $direction = null) : self
     {
         $this->validateFieldType($field);
 
@@ -30,7 +31,7 @@ class OrderBy extends Fragment {
         $list = array_map(function($item) {
             list($field, $direction) = $item;
             
-            return $field . ( $direction ? " $direction" : "" );
+            return implode(' ', array_filter([ $field , $direction ?? null ] ));
         }, $this->orderBy);
 
         return $this->renderSegments([

src/QueryBuilder/Sql/MysqlQueryBuilder.php

@@ -260,7 +260,7 @@ class MysqlQueryBuilder extends SqlQueryBuilder
         return $this;
     }
 
-    public function orderBy(string|\Stringable $field, ? string $direction = null) : self
+    public function orderBy(string|\Stringable $field, null|string|\Stringable $direction = null) : self
     {
         if ( null === $orderBy = $this->getFragment(Query\OrderBy::class) ) {
             $orderBy = new Query\OrderBy();
@@ -272,7 +272,7 @@ class MysqlQueryBuilder extends SqlQueryBuilder
         return $this;
     }
 
-    public function groupBy(string|object $field) : self
+    public function groupBy(string|\Stringable $field) : self
     {
         if ( null === $groupBy = $this->getFragment(Query\GroupBy::class) ) {
             $groupBy = new Query\GroupBy();

src/Repository.php

@@ -548,7 +548,7 @@ class Repository implements RepositoryInterface
         return $this;
     }
 
-    public function orderBy(string|object $field, ? string $direction = null) : self
+    public function orderBy(string|\Stringable $field, null|string|\Stringable $direction = null) : self
     {
         $this->queryBuilder->orderBy($field, $direction);
 
@@ -558,7 +558,7 @@ class Repository implements RepositoryInterface
     # @UNTESTED
     public function randomizeOrder() : self
     {
-        $this->queryBuilder->orderBy(Common\Sql::function('RAND', Sql::identifier('CURDATE()+0')));
+        $this->queryBuilder->orderBy(Common\Sql::function('RAND', Common\Sql::identifier('CURDATE()+0')));
 
         return $this;
     }