ACP2E-2279: A-Z Product sorting for Turkish characters

Author: dhorytskyi

app/code/Magento/Elasticsearch/Model/Adapter/FieldMapper/Product/FieldProvider/StaticField.php

@@ -164,7 +164,8 @@ public function getField(AbstractAttribute $attribute): array
                 ),
                 'index' => $this->indexTypeConverter->convert(
                     IndexTypeConverterInterface::INTERNAL_NO_ANALYZE_VALUE
-                )
+                ),
+                'normalizer' => 'folding',
             ];
         }
 
@@ -202,7 +203,8 @@ public function getField(AbstractAttribute $attribute): array
                     ),
                     'index' => $this->indexTypeConverter->convert(
                         IndexTypeConverterInterface::INTERNAL_NO_ANALYZE_VALUE
-                    )
+                    ),
+                    'normalizer' => 'folding',
                 ];
             }
         }

app/code/Magento/Elasticsearch/Model/Adapter/Index/Builder.php

@@ -105,6 +105,12 @@ public function build()
                 'tokenizer' => $tokenizer,
                 'filter' => array_merge($filter, $synonymFilter),
                 'char_filter' => $charFilter,
+                'normalizer' => [
+                    'folding' => [
+                        'type' => 'custom',
+                        'filter' => ['asciifolding', 'lowercase'],
+                    ],
+                ],
             ],
         ];