Changed database interaction structures

This commit is contained in:
2017-09-09 11:21:51 +07:00
parent 1de9cb6447
commit 59d8c11d9b
5 changed files with 499 additions and 296 deletions

View File

@@ -22,222 +22,11 @@ abstract class Model
}
}
public function createTable($table, $fields = [])
{
try {
$sql = "CREATE TABLE IF NOT EXISTS {$table} (".implode(',', $fields).") ENGINE=InnoDB DEFAULT CHARSET=utf8;";
abstract protected function createTable($fields);
abstract protected function dropTable();
$db = static::connectDB();
$query = $db->prepare($sql);
$query->execute();
return true;
} catch (PDOException $e) {
throw new \Exception($e->getMessage(), 444);
}
}
public function dropTable($table)
{
try {
if (is_array($table)) {
if (count($table)) {
$table = implode(', ', $table);
}
}
$sql = "DROP TABLE IF EXISTS {$table}";
$db = static::connectDB();
$query = $db->prepare($sql);
$query->execute();
return true;
} catch (PDOException $e) {
throw new \Exception($e->getMessage(), 444);
}
}
public function showAll($table, $conditions = [])
{
try {
if ($table) {
$db = static::connectDB();
$sql = "SELECT * FROM $table";
if ($conditions) {
$sql .= " WHERE";
foreach ($conditions as $condition) {
$keys[] = $condition[0];
$operators[] = $condition[1];
$values[] = $condition[2];
}
$x = 1;
$i = 0;
foreach ($keys as $key) {
$sql .= " $key $operators[$i] ?";
$i++;
$x++;
if ($x <= count($keys)) {
$sql .= " AND";
}
}
}
$query = $db->prepare($sql);
if ($conditions) {
$x = 1;
foreach ($values as $value) {
$query->bindValue($x, $value);
$x++;
}
}
$query->execute();
if ($query->rowCount() == 1) {
$result = $query->fetch(\PDO::FETCH_ASSOC);
} elseif ($query->rowCount() > 1) {
$result = $query->fetchAll(\PDO::FETCH_ASSOC);
} else {
return false;
}
return $result;
}
return false;
} catch (PDOException $e) {
throw new \Exception($e->getMessage, 444);
}
}
public function entry($table, $args, $values = '')
{
if (count($args)) {
$keys = '`'.implode('`, `', array_keys($args)).'`';
// This is if want to insert multiple rows
foreach ($args as $key => $val) {
if (preg_match('/,/', $val)) {
$val = explode(',', $val);
$args[$key] = $val;
}
}
$x = 1;
foreach ($args as $field) {
// Setting the query for multiple rows
if (is_array($field)) {
foreach ($field as $fields) {
$values .= '(?)';
if ($x < count($field)) {
$values .= ', ';
}
$x++;
}
} else {
if ($x === 1) {
$values .= '(';
}
$values .= '?';
if ($x < count($args)) {
$values .= ', ';
} else {
$values .= ')';
}
$x++;
}
}
try {
$sql = "INSERT INTO {$table} ({$keys}) VALUES {$values}";
$db = static::connectDB();
$query = $db->prepare($sql);
$x = 1;
foreach ($args as $value) {
if (is_array($value)) {
foreach ($value as $vals) {
$query->bindValue($x, $vals);
$x++;
}
} else {
$query->bindValue($x, $value);
$x++;
}
}
$query->execute();
return true;
} catch (PDOException $e) {
throw new \Exception($e->getMessage(), 444);
}
}
}
public function update($table, $args, $id)
{
if (count($args)) {
$keys = array_keys($args);
$fields = [];
foreach ($keys as $key) {
$fields[] = $key.' = ?';
}
if (count($fields) > 1) {
$fields = implode(', ', $fields);
} else {
$fields = implode('', $fields);
}
try {
$db = static::connectDB();
$result = $this->showAll($table, [
['id', '=', $id]
]);
$sql = "UPDATE {$table} SET {$fields} WHERE id = ?";
$query = $db->prepare($sql);
$x = 1;
foreach ($args as $value) {
$query->bindValue($x, $value);
$x++;
}
$query->bindValue($x, $id);
$query->execute();
return true;
} catch (PDOException $e) {
throw new \Exception($e->getMessage(), 444);
}
}
}
public function delete($table, $id, $force = '')
{
try {
$db = static::connectDB();
$sql = "UPDATE {$table} SET status = ? WHERE id = ?";
$query = $db->prepare($sql);
if (is_int($force)) {
$query->bindValue(1, $force);
} else {
$query->bindValue(1, 3);
}
$query->bindValue(2, $id);
$query->execute();
return true;
} catch (PDOException $e) {
throw new \Exception($e->getMessage(), 444);
}
}
abstract public function showAll($conditions = []);
abstract public function entry($args);
abstract public function update($args, $id);
abstract public function delete($id, $status);
}