Allow hiding of certain pagination buttons.

Author: noplanman

src/Entities/InlineKeyboard.php

@@ -68,6 +68,8 @@ public static function getPagination($callback_data, $current_page, $max_pages,
         foreach ($labels as $key => &$label) {
             if (strpos($label, '%d') !== false) {
                 $label = sprintf($label, $pages[$key]);
+            } elseif ($label === '') {
+                $label = null;
             }
         }
         unset($label);
@@ -79,19 +81,21 @@ public static function getPagination($callback_data, $current_page, $max_pages,
 
         $buttons = [];
 
-        if ($current_page > 1) {
+        if ($current_page > 1 && $labels['first'] !== null) {
             $buttons[] = new InlineKeyboardButton(['text' => $labels['first'], 'callback_data' => $callbacks_data['first']]);
         }
-        if ($current_page > 2) {
+        if ($current_page > 2 && $labels['previous'] !== null) {
             $buttons[] = new InlineKeyboardButton(['text' => $labels['previous'], 'callback_data' => $callbacks_data['previous']]);
         }
 
-        $buttons[] = new InlineKeyboardButton(['text' => $labels['current'], 'callback_data' => $callbacks_data['current']]);
+        if ($labels['current'] !== null) {
+            $buttons[] = new InlineKeyboardButton(['text' => $labels['current'], 'callback_data' => $callbacks_data['current']]);
+        }
 
-        if ($current_page < $max_pages - 1) {
+        if ($current_page < $max_pages - 1 && $labels['next'] !== null) {
             $buttons[] = new InlineKeyboardButton(['text' => $labels['next'], 'callback_data' => $callbacks_data['next']]);
         }
-        if ($current_page < $max_pages) {
+        if ($current_page < $max_pages && $labels['last'] !== null) {
             $buttons[] = new InlineKeyboardButton(['text' => $labels['last'], 'callback_data' => $callbacks_data['last']]);
         }
 

tests/unit/Entities/InlineKeyboardTest.php

@@ -200,20 +200,20 @@ public function testInlineKeyboardPagination()
             ['cbdata_page_1', 'cbdata_page_9', 'cbdata_page_10'],
         ], 'callback_data', $keyboard);
 
-        // custom labels
+        // custom labels, skipping some buttons
         // first, previous, current, next, last
         $keyboard = InlineKeyboard::getPagination($callback_data, 5, 10, [
-            'first'    => 'first %d',
+            'first'    => '',
             'previous' => 'previous %d',
-            'current'  => 'cur %d rent',
+            'current'  => null,
             'next'     => '%d next',
             'last'     => '%d last',
         ]);
         KeyboardTest::assertAllButtonPropertiesEqual([
-            ['first 1', 'previous 4', 'cur 5 rent', '6 next', '10 last'],
+            ['previous 4', '6 next', '10 last'],
         ], 'text', $keyboard);
         KeyboardTest::assertAllButtonPropertiesEqual([
-            ['cbdata_page_1', 'cbdata_page_4', 'cbdata_page_5', 'cbdata_page_6', 'cbdata_page_10'],
+            ['cbdata_page_4', 'cbdata_page_6', 'cbdata_page_10'],
         ], 'callback_data', $keyboard);
     }
 }