Org_Heigl\TextStatistics\Calculator\FleschReadingEaseSchoolGradeCalculator

Complexity

Total Complexity

8

Size/Duplication

Total Lines	51
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
B	calculate()	0	30	7

<?php
/**
 * Copyright (c) Andreas Heigl<andreas@heigl.org>
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @author    Andreas Heigl<andreas@heigl.org>
 * @copyright Andreas Heigl
 * @license   http://www.opensource.org/licenses/mit-license.php MIT-License
 * @since     12.10.2016
 * @link      http://github.com/heiglandreas/org.heigl.TextStatistics
 */

namespace Org_Heigl\TextStatistics\Calculator;

use Org_Heigl\TextStatistics\Text;

class FleschReadingEaseSchoolGradeCalculator implements CalculatorInterface
{
    protected $fleschReadingEaseCalculator;

    public function __construct(
        FleschReadingEaseCalculator $fleschReadingEaseCalculator
    ) {
        $this->fleschReadingEaseCalculator = $fleschReadingEaseCalculator;
    }

    /**
     * Do the actual calculation of a statistic
     *
     * This returns the Grade a reader should have to be able to understand the text
     *
     * @param Text $text
     *
     * @see http://www.mang.canterbury.ac.nz/writing_guide/writing/flesch.shtml
     * @return int
     */
    public function calculate(Text $text)
    {
        $fre = $this->fleschReadingEaseCalculator->calculate($text);

        if ($fre > 90) {
            return 5;
        }

        if ($fre > 80) {
            return 6;
        }

        if ($fre > 70) {
            return 7;
        }

        if ($fre > 60) {
            return 9;
        }

        if ($fre > 50) {
            return 12;
        }

        if ($fre > 30) {
            return 'college';
        }

        return 'college graduate';
    }
}