DatalayerTrait::setInstance() - Code Metrics - Inspection of "query builder" - brunobmorais/php-database - Measure and Improve Code Quality continuously with Scrutinizer

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by BRUNO
created 2023-11-18 20:55 UTC
DatalayerTrait::setInstance() A

↳ Parent: DatalayerTrait
Complexity

Conditions	1
Paths	1
Size

Total Lines	4
Code Lines	2
Duplication

Lines	0
Ratio	0 %
Importance

Changes	2
Bugs	0	Features	0
Metric	Value
cc	1
eloc	2
c	2
b	0
f	0
nc	1
nop	1
dl	0
loc	4
rs	10
<?php
namespace BMorais\Database;

/**
 * CLASS TRAIT DATALAYER
 * This class of execution methods in the database
 *
 * @author Bruno Morais <[email protected]>
 * @copyright MIT, bmorais.com
 * @package bmorais\database
 * @subpackage class
 * @access private
 */
use PDO;
use PDOException;
use PDOStatement;
use stdClass;

trait DatalayerTrait
{
    /** @var PDO|null */
    protected $instance = null;

    /** @var string */
    protected $fields;

    /** @var PDOStatement|null */
    protected $prepare = null;

    /** @var string */
    protected $database = CONFIG_DATA_LAYER["dbname"];

    /** @var string */
    protected $classModel;

    /** @var string */
    protected $tableName;

    /** @var string */
    private $tableAlias;

    /** @var array */
    protected $resultArray = array();

    /** @var string */
    private $logSQL;

    /** @var PDOException */
    private $error;

    /** @var string */
    private $query = "";

    /** @var array */
    private $params = [];

    private QueryBuilder $queryBuild;


    /** @return PDO|false */
    private function getInstance()
    {
        try {
            if (strpos($_SERVER['SERVER_NAME'], mb_strtolower(CONFIG_DATA_LAYER["homologation"])) && !strpos($this->database, ucfirst(CONFIG_DATA_LAYER["homologation"]))) {
                $this->database .= ucfirst(CONFIG_DATA_LAYER["homologation"] ?? "");
            }

            if (empty($this->instance)) {
                $this->instance = new PDO(
                    CONFIG_DATA_LAYER['driver'] . ':host=' . CONFIG_DATA_LAYER['host'] . ';dbname=' . $this->database . ';port=' . CONFIG_DATA_LAYER['port'],
                    CONFIG_DATA_LAYER['username'],
                    CONFIG_DATA_LAYER['passwd'],
                    CONFIG_DATA_LAYER['options']
                );
            }

            return $this->instance;
        } catch (PDOException $e) {
            $this->setError($e);
        }

    }

    /**
     * @param PDO $pdo
     * @return Crud
     *
     */
    protected function setInstance(PDO $pdo)
    {
        $this->instance = $pdo;
        return $this;
    }

    /**
     * @param string $database
     * @return $this
     */
    protected function setDatabase(string $database)
    {
        $this->database = $database;
        return $this;
    }

    /**
     * @return string
     */
    protected function getDatabase(): string
    {
        return $this->database;
    }

    /**
     * @param string $tableName
     * @return Crud
     */
    protected function setFields(string $fields)
    {
        $this->fields = $fields;
        return $this;
    }

    /**
     * @return string
     */
    protected function getFields():string
    {
        return $this->fields;
    }

    /**
     * @param string $tableName
     * @return Crud
     */
    protected function setTable(string $tableName, string $tableAlias = ""): self
    {
        if (!empty($tableAlias))
            $this->tableAlias = $tableAlias;
        $this->tableName = $tableName;
        return $this;
    }

    /**
     * @return string
     */
    protected function getTable(): string
    {
        return $this->tableName;
    }

    public function getQueryBuilder(): QueryBuilder
    {
        if (!empty($this->queryBuild))
            return $this->queryBuild;
        return new QueryBuilder($this->getInstance(), $this->getTable(), $this->getClassModel());
    }

    public  function getTableAlias(): string
    {
        return $this->tableAlias;
    }

    /**
     * @param string $classModel
     * @return Crud
     */
    protected function setClassModel(string $classModel): self
    {
        $this->classModel = $classModel;
        return $this;
    }

    protected function getClassModel()
    {
        return $this->classModel;
    }

    /**
     * @param String $query
     * @param array|null $params
     * @return false|mixed|\PDOStatement|null
     */
    protected function executeSQL(string $query, ?array $params = null)
    {
        try {
            $this->prepare = $this->getInstance()->prepare($query);
            $this->setLogSQL($query, $params);
            $this->prepare->execute($params);
            return $this->prepare;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     * @param $prepare
     * @return int|false
     */
    protected function count(PDOStatement $prepare = null): ?int
    {
        try {
            $prepare = empty($prepare) ? $this->prepare : $prepare;
            return $prepare->rowCount();
            return $prepare->/** @scrutinizer ignore-call */ rowCount();
        } catch (PDOException $e) {
            $this->setError($e);}
    }

    /**
     * @param $prepare
     * @return array|false
     */
    protected function fetchArrayAssoc(PDOStatement $prepare = null): ?array
    {
        try {
            $prepare = empty($prepare) ? $this->prepare : $prepare;
            $dados = $prepare->fetchAll(PDO::FETCH_ASSOC);
            $this->resultArray = $dados;
            return $dados;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     * @param $prepare
     * @return array|false
     */
    protected function fetchArrayObj(PDOStatement $prepare = null): ?array
    {
        try {
            $prepare = empty($prepare) ? $this->prepare : $prepare;
            $dados = $prepare->fetchAll(PDO::FETCH_OBJ);
            $this->resultArray = $dados;
            return $dados;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     * @param $prepare
     * @param String|null $class
     * @return array|false
     */
    protected function fetchArrayClass(PDOStatement $prepare = null, string $class = null): ?array
    {
        try {
            $prepare = empty($prepare) ? $this->prepare : $prepare;
            $class = empty($class) ? $this->classModel : $class;
            $dados = $prepare->fetchAll(PDO::FETCH_CLASS | PDO::FETCH_PROPS_LATE, CONFIG_DATA_LAYER["directory_models"] . $class);
            $this->resultArray = $dados;
            return $dados;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     * @param $prepare
     * @return array|false
     */
    protected function fetchOneAssoc(PDOStatement $prepare = null): ?array
    {
        try {
            $prepare = empty($prepare) ? $this->prepare : $prepare;
            $dados = $prepare->fetch(PDO::FETCH_ASSOC);
            return $dados;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     * @param $prepare
     * @return stdClass|false
     */
    protected function fetchOneObj(PDOStatement $prepare = null): ?stdClass
    {
        try {
            $prepare = empty($prepare) ? $this->prepare : $prepare;
            $dados = $prepare->fetch(PDO::FETCH_OBJ);
            return $dados;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     * @param $prepare
     * @param String|null $class
     * @return array|false
     */
    protected function fetchOneClass(PDOStatement $prepare = null, string $class = null): ?object
    {
        try {
            $prepare = empty($prepare) ? $this->prepare : $prepare;
            $class = empty($class) ? $this->classModel : $class;
            $dados = $prepare->fetchObject(CONFIG_DATA_LAYER["directory_models"] . $class);
            return $dados;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     * @return bool
     */
    protected function beginTrasaction(): ?bool
    {
        try {
            $this->getInstance()->beginTransaction();
            return true;
        } catch (PDOException $e) {
            $this->setError($e);
        }

    }

    /**
     * @return bool|null
     */
    protected function commitTransaction(): ?bool
    {
        try {
            $this->getInstance()->commit();
            return true;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     * @return bool|null
     *
     */
    protected function rollBackTransaction(): ?bool
    {

        try {
            $this->getInstance()->rollBack();
            return true;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     *  @return string|null
     *  */
    private function lastId(): ?string
    {
        try {
            $ultimo = $this->getInstance()->lastInsertId();
            return $ultimo;
        } catch (PDOException $e) {
            $this->setError($e);
        }
    }

    /**
     * @param $sql_string
     * @param array|null $params
     * @return void
     */
    private function setLogSQL($sql_string, ?array $params = null)
    {
        if (!empty($params)) {
            $indexed = $params == array_values($params);
            foreach ($params as $k => $v) {
                if (is_object($v)) {
                    if ($v instanceof \DateTime) {
                        $v = $v->format('Y-m-d H:i:s');
                    } else {
                        continue;
                    }
                } elseif (is_string($v)) {
                    $v = "'$v'";
                } elseif ($v === null) {
                    $v = 'NULL';
                } elseif (is_array($v)) {
                    $v = implode(',', $v);
                }

                if ($indexed) {
                    $sql_string = preg_replace('/\?/', $v, $sql_string, 1);
                } else {
                    if ($k[0] != ':') {
                        $k = ':' . $k;
                    } //add leading colon if it was left out
                    $sql_string = str_replace($k, $v, $sql_string);
                }
            }
        }
        $this->logSQL = $sql_string;
    }

    /**
     * @param PDOException $e
     * @param string $sql
     * @return void
     */
    private function setError(PDOException $e)
    {
        $this->error = $e;
        throw new PDOException("{$e->getMessage()}<br/><b>SQL:</b> {$this->getLogSQL()}");
        throw new PDOException("{$e->getMessage()}<br/><b>SQL:</b> {$this->/** @scrutinizer ignore-call */ getLogSQL()}");

    }
}

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DatalayerTrait::setInstance() A

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