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<?php |
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namespace DanySpin97\PhpBotFramework; |
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define("DELIMITER", ':::::::::::::::::::::::::::::::::::::: |
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'); |
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class Paginator { |
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static public function paginateItems($items, int $index, &$keyboard, $format_item, int $item_per_page = 3, $prefix = 'list', string $delimiter = DELIMITER) { |
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// Calc the position of the first item to show |
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$item_position = ($index - 1) * $item_per_page + 1; |
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// Counter variable |
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$cont = 1; |
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// How many items did we display? |
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$items_displayed = 0; |
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// Get how many items did the database return |
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$items_number = $items->rowCount(); |
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// Get how many complete pages there are |
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$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, $prefix); |
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// Initialize empty string |
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$message = ''; |
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// Iterate over all results |
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while ($item = $items->fetch()) { |
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// If we have to display the first item of the page and we found the item to show (using the position |
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// calculated before) |
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if ($items_displayed === 0 && $cont === $item_position) { |
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// Format the item using closure |
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$message .= $format_item($item, $keyboard); |
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// We displayed an item |
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$items_displayed++; |
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// If we displayed at least an item but still not how much we want |
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} elseif ($items_displayed > 0 && $items_displayed < $item_per_page) { |
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// Add delimiter to the message |
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$message .= $delimiter; |
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// Format the item using closure |
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$message .= $format_item($item, $keyboard); |
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// We displayed an item |
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$items_displayed++; |
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// If we displayed all the item we wanted |
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} elseif ($items_displayed === $item_per_page) { |
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// Exit the cycle |
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break; |
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// We are just iterating over an unwanted result |
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} else { |
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$cont++; |
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} |
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} |
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// Return the created string |
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return $message; |
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} |
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} |
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