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turma.php
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turma.php
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<?php
ini_set('display_errors', 1);
error_reporting(E_ALL|E_WARNING);
require __DIR__ . "/vendor/autoload.php";
use \Persistence\Connection as CON;
if ( isset( $_REQUEST['action'] ) && !empty( $_REQUEST['action'] ) ): //sintaxe alternativa do php
$action = $_REQUEST['action'];
$id = intval($_REQUEST['id']);
switch( $action ):
case 'salvar':
$turma = new \Model\Turma();
$turma->setId($_POST['id']);
$turma->setNome(strtoupper($_POST['nome']));
salvar($turma);
break;
case 'excluir':
excluir($id);
break;
endswitch;
endif;
function pesquisar(int $id){
$ret = null;
//pesquisa o registro no banco
$sql = "select * from TURMA where id = :id ";
$stm = CON::connect()->prepare($sql);
$stm->bindParam(':id', $id );
$stm->execute();
$ret = $stm->fetch();
return $ret;
}
function salvar(\Model\Turma $turma){
$stm = null;
//die("ID: " . $turma->getId());
if ( pesquisar( $turma->getId() ) ):
$sql = "update TURMA set nome = :nome where id = :id " ;
$stm = CON::connect()->prepare($sql);
$stm->bindValue(':id', $turma->getId(), \PDO::PARAM_INT);
$stm->bindValue(':nome', $turma->getNome(), \PDO::PARAM_STR);
$stm->execute();
else:
//die(var_dump($turma->getNome())); //se não existir insira
$sql = "insert into TURMA( nome ) values ( :nome )";
$stm = CON::connect()->prepare($sql);
$stm->bindValue(':nome', $turma->getNome());
$stm->execute();
endif;
}
function excluir(int $id){
$sql = 'delete from TURMA where id = :id';
$stm = CON::connect()->prepare($sql);
$stm->bindValue(':id', $id, \PDO::PARAM_INT );
$stm->execute();
}
?>
<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Cadastro de Turma</title>
<style>
label {
display: inline-block;
width: 150px;
background-color: lightblue;
padding: 4px;
}
input[type="number"] {
background-color: lightgray;
}
input[type="text"] {
background-color: lightyellow;
}
table {
border-collapse: collapse;
}
caption {
padding: 5px;
background-color: lightblue;
text-align: left;
}
tfoot>tr {
background-color: lightblue;
}
</style>
<script>
const limparForm = function(){
document.getElementById('id').value = "0";
document.getElementById('nome').value = "";
location.href= "turma.php";
}
</script>
</head>
<body>
<div style="margin: 0 auto; width:80%">
<header>
<h2 style="padding: 4px;margin:0 auto;background-color: lightblue; text-align:center;">Cadastro de Turmas</h2>
<p>
<form name="form_turma" id="form_turma" method="post" action="turma.php">
<label for="id">ID</label>
<input type="number" id="id" value="<?=$_REQUEST['id']??'0'?>" name="id" value="0" readonly="readonly">
<br>
<label for="nome">Nome</label>
<input type="text" name="nome" id="nome" value="<?=$_REQUEST['nome']??''?>" size="50" maxlength="50" required="required">
<button type="reset" onclick="limparForm();">Novo</button>
<button type="submit" name="action" value="salvar">Salvar</button>
</form>
</p>
</header>
<article>
<h4><?php echo !empty( $_REQUEST['mensagem']) ? $_REQUEST['mensagem']: null;?></h4>
<?php
$registros_por_pagina = 10;
$pagina = $_REQUEST['pagina'] ?? 1;
$offset = ($pagina -1 ) * 10 ;
$res = CON::connect()->query("select count(*) total_registros from TURMA");
$total_registros = $res->fetch()['total_registros'];
$turmas = CON::connect()->query("select * from TURMA limit $offset, $registros_por_pagina");
$paginas = ceil ($total_registros / $registros_por_pagina) ?? 1;
echo "<div style='margin: 0 auto;padding: 10px;'>Página: ";
for($i=1;$i <= $paginas;++$i):
echo "<a style='margin: 4px;padding:3px 12px; border:2px outset lightgray;' href='?pagina={$i}'><strong>$i</strong></a>";
endfor;
echo "</div>";
?>
<table width="100%" border="1" cellpadding="5" cellspacing="4" rules="both">
<caption>.:: Listagem de Turmas ::..</caption>
<thead>
<tr>
<th width="30">ID</th>
<th>Nome</th>
<th width="120">Opções</th>
</tr>
</thead>
<tbody>
<?php foreach( $turmas as $turma ): ?>
<tr>
<td><?=$turma['id']?></td>
<td><?=$turma['nome']?></td>
<td>
<a href="?action=editar&id=<?=$turma['id']?>&nome=<?=$turma['nome']?>">Editar</a>| <a href="?action=excluir&id=<?=$turma['id']?>">Excluir</a>
</td>
</tr>
<?php endforeach; ?>
<!-- Para completar as linhas restantes para compor o layout fixo em 10 registros-->
<?php
if ( $turmas->rowCount() < $registros_por_pagina):
for( $i=0; $i < ( $registros_por_pagina - $turmas->rowCount() ); $i++):
echo '<tr>
<td> </td>
<td> </td>
<td> </td>
</tr>';
endfor;
endif; ?>
</tbody>
<tfoot>
<tr>
<th align="left" colspan="3">Total página: <?=$pagina?>/<?=$paginas?> #Registros: <?=$turmas->rowCount()?> de <?=$total_registros?></th>
</tr>
</tfoot>
</table>
</article>
<footer>
</footer>
</div>
</body>
</html>