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<?php |
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/* |
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* This file is part of the PhpBotFramework. |
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* |
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* PhpBotFramework is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation, version 3. |
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* |
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* PhpBotFramework is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace PhpBotFramework\Utilities; |
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define("DELIMITER", "::::::::::::::::::::::::::::::::::::::\n"); |
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class Paginator |
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{ |
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public static function paginateItems( |
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$items, |
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int $index, |
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&$keyboard, |
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$format_item, |
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int $item_per_page = 3, |
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$prefix = 'list', |
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string $delimiter = DELIMITER |
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) { |
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// Assign the position of first item to show |
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$item_position = ($index - 1) * $item_per_page + 1; |
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$items_number = $items->rowCount(); |
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$counter = 1; |
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$items_displayed = 0; |
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$total_pages = intval($items_number / $item_per_page); |
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// If there an incomplete page |
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if (($items_number % $item_per_page) != 0) { |
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$total_pages++; |
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} |
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// Initialize keyboard with the list |
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$keyboard->addListKeyboard($index, $total_pages, $prefix); |
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$message = ''; |
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// Iterate over all results |
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while ($item = $items->fetch()) { |
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// If we have to display the first item of the page and we |
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// found the item to show (using the position calculated before) |
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if ($items_displayed === 0 && $counter === $item_position) { |
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$message .= $format_item($item, $keyboard); |
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$items_displayed++; |
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// If there are space for other items |
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} elseif ($items_displayed > 0 && $items_displayed < $item_per_page) { |
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$message .= $delimiter; |
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$message .= $format_item($item, $keyboard); |
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$items_displayed++; |
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} elseif ($items_displayed === $item_per_page) { |
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break; |
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} else { |
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$counter++; |
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} |
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} |
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return $message; |
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} |
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} |
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DanySpin97 /
PhpBotFramework
