ByJG\AnyDataset\Database\Expressions\DbBaseFunctions

Complexity

Total Complexity

9

Size/Duplication

Total Lines	129
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Importance

Changes

0

10 Methods

Rating	Name	Duplication	Size	Complexity
	concat()	0	1	?
	limit()	0	1	?
	top()	0	1	?
A	hasTop()	0	4	1
A	hasLimit()	0	4	1
	sqlDate()	0	1	?
A	prepareSqlDate()	0	20	4
A	toDate()	0	5	1
A	fromDate()	0	5	1
A	executeAndGetInsertedId()	0	5	1

<?php

namespace ByJG\AnyDataset\Database\Expressions;

use ByJG\AnyDataset\Repository\DBDataset;
use DateTime;

abstract class DbBaseFunctions implements DbFunctionsInterface
{

    const DMY = "d-m-Y";
    const MDY = "m-d-Y";
    const YMD = "Y-m-d";
    const DMYH = "d-m-Y H:i:s";
    const MDYH = "m-d-Y H:i:s";
    const YMDH = "Y-m-d H:i:s";

    /**
     * Given two or more string the system will return the string containing the proper
     * SQL commands to concatenate these string;
     * use:
     *     for ($i = 0, $numArgs = func_num_args(); $i < $numArgs ; $i++)
     * to get all parameters received.
     *
     * @param string $str1
     * @param string|null $str2
     * @return string
     */
    abstract public function concat($str1, $str2 = null);

    /**
     * Given a SQL returns it with the proper LIMIT or equivalent method included
     * @param string $sql
     * @param int $start
     * @param int $qty
     * @return string
     */
    abstract public function limit($sql, $start, $qty = null);

    /**
     * Given a SQL returns it with the proper TOP or equivalent method included
     * @param string $sql
     * @param int $qty
     * @return string
     */
    abstract public function top($sql, $qty);

    /**
     * Return if the database provider have a top or similar function
     * @return bool
     */
    public function hasTop()
    {
        return false;
    }

    /**
     * Return if the database provider have a limit function
     * @return bool
     */
    public function hasLimit()
    {
        return false;
    }

    /**
     * Format date column in sql string given an input format that understands Y M D
     *
     * @param string $format
     * @param string|bool $column
     * @return string
     * @example $db->getDbFunctions()->SQLDate("d/m/Y H:i", "dtcriacao")
     */
    abstract public function sqlDate($format, $column = null);


    protected function prepareSqlDate($input, $pattern, $delimitString = "'")
    {
        $prepareString = preg_split('/([YyMmQqDdhHisaA])/', $input, -1, PREG_SPLIT_DELIM_CAPTURE);

        foreach ($prepareString as $key => $value) {
            if ('' === $value) {
                unset($prepareString[$key]);
                continue;
            }

            if (isset($pattern[$value])) {
                $formatted = $pattern[$value];
            } else {
                $formatted = $delimitString . $value . $delimitString;
            }
            $prepareString[$key] = $formatted;
        }

        return $prepareString;
    }

    /**
     * Format a string date to a string database readable format.
     *
     * @param string $date
     * @param string $dateFormat
     * @return string
     */
    public function toDate($date, $dateFormat)
    {
        $dateTime = DateTime::createFromFormat($dateFormat, $date);
        return $dateTime->format(self::YMDH);
    }

    /**
     * Format a string database readable format to a string date in a free format.
     *
     * @param string $date
     * @param string $dateFormat
     * @return string
     */
    public function fromDate($date, $dateFormat)
    {
        $dateTime = DateTime::createFromFormat(self::YMDH, $date);
        return $dateTime->format($dateFormat);
    }

    /**
     *
     * @param DBDataset $dbdataset
     * @param string $sql
     * @param array $param
     * @return int
     */
    public function executeAndGetInsertedId($dbdataset, $sql, $param)
    {
        $dbdataset->execSQL($sql, $param);
        return -1;
    }
}