Separate text filter decorators.

app/Decorators/HideLinesDecorator.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 20:47
+ */
+
+namespace App\Decorators;
+
+
+class HideLinesDecorator extends TextConverterDecorator
+{
+
+    /**
+     * usuwa linijki z tekstu które zaczynają zię od znaku #
+     * @return string
+     */
+    public function getText(): string
+    {
+        return preg_replace('/^\s*[!#].*?$[\r\n]?/m', '', $this->text->getText());
+    }
+}

app/Decorators/Interfaces/TextConverterDecoratorInterface.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 19:03
+ */
+
+namespace App\Decorators\Interfaces;
+
+
+interface TextConverterDecoratorInterface
+{
+    public function getText(): string;
+
+}

app/Decorators/NewLineDecorator.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 20:23
+ */
+
+namespace App\Decorators;
+
+
+class NewLineDecorator extends TextConverterDecorator
+{
+    private $replaceElements = ['<br>', '<br />', '<br/>'];
+
+    public function getText(): string
+    {
+        return str_replace($this->replaceElements, "\n", $this->text->getText());
+    }
+}

app/Decorators/RandomElementsDecorator.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 20:52
+ */
+
+namespace App\Decorators;
+
+
+class RandomElementsDecorator extends TextConverterDecorator
+{
+
+    /**
+     * poniższy kod wybieraz tekstu fragmenty w podwójnych nawiasach kwadratowych, rozdziela je po przecinkach
+     * następnie losuje element i podmienia go w miejsce oryginalnego fragmentu
+     */
+    public function getText(): string
+    {
+        $re = "#\[\[(.*?)\]\]#s";
+        $newText = $this->text->getText();
+        preg_match_all($re, $newText, $found, PREG_SET_ORDER, 0);
+        foreach ($found as $elements) {
+            $data = explode(',', $elements[1]);
+            $data = array_filter($data, function ($el) {
+                return strlen(trim($el));
+            });
+            $data = array_values($data);
+            $pos = strpos($newText, $elements[0]);
+            $newText = substr_replace($newText, $data[mt_rand(0, count($data) - 1)], $pos, strlen($elements[0]));
+        }
+        return $newText;
+    }
+}

app/Decorators/RandomNumberDecorator.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 21:28
+ */
+
+namespace App\Decorators;
+
+
+class RandomNumberDecorator extends TextConverterDecorator
+{
+
+
+    /**
+     * przeszukiwanie tekstu pod katem zawartości [ liczba, liczba2 ] i zamienianiu tego na randomową liczbę z przedziału
+     * liczba - liczba2
+     * obojętnie czy ujemną czy nie
+     */
+    public function getText(): string
+    {
+        $text = $this->text->getText();
+        $re = '/\[\s*(-?\d+)\s*\,\s*(-?\d+)\s*\]/';
+        preg_match_all($re, $text, $matches, PREG_SET_ORDER, 0);
+
+        foreach ($matches as $match) {
+            $pos = strpos($text, $match[0]);
+            $text = substr_replace($text, mt_rand($match[1], $match[2]), $pos, strlen($match[0]));
+        }
+        return $text;
+    }
+}

app/Decorators/Text.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 20:35
+ */
+
+namespace App\Decorators;
+
+
+use App\Decorators\Interfaces\TextConverterDecoratorInterface;
+
+class Text implements TextConverterDecoratorInterface
+{
+
+    private $text;
+
+    public function __construct(string $text)
+    {
+        $this->text = $text;
+    }
+
+    public function getText(): string
+    {
+        return $this->text;
+    }
+}

app/Decorators/TextBreakDecorator.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 21:32
+ */
+
+namespace App\Decorators;
+
+
+class TextBreakDecorator extends TextConverterDecorator
+{
+
+    private $lineLength = 32;
+
+    /**
+     * łamie tekst w miejscu spacji do długości 32 znaki na linię
+     * @return string
+     */
+    public function getText(): string
+    {
+        return wordwrap($this->text->getText(), $this->lineLength);
+    }
+}

app/Decorators/TextConverterDecorator.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 19:06
+ */
+
+namespace App\Decorators;
+
+use App\Decorators\Interfaces\TextConverterDecoratorInterface;
+
+abstract class TextConverterDecorator implements TextConverterDecoratorInterface
+{
+    protected $text;
+
+    public function __construct(TextConverterDecoratorInterface $text)
+    {
+        $this->text = $text;
+    }
+}

app/Decorators/TraficarDecorator.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 22:20
+ */
+
+namespace App\Decorators;
+
+
+use App\Paper\Traficar;
+
+class TraficarDecorator extends TextConverterDecorator
+{
+
+    public function getText(): string
+    {
+        $text = $this->text->getText();
+        if (strstr($text, '[traficar]')) {
+            $traficar = new Traficar();
+            $nearest = $traficar->nearestCarText();
+            $text = str_replace('[traficar]', $nearest, $text);
+        }
+        return $text;
+    }
+}

app/Decorators/VocabularyWordDecorator.php

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+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 28.02.2019
+ * Time: 22:20
+ */
+
+namespace App\Decorators;
+
+
+use App\Paper\Vocabulary;
+
+class VocabularyWordDecorator extends TextConverterDecorator
+{
+
+    public function getText(): string
+    {
+        $text = $this->text->getText();
+        if (strstr($text, '[vocabulary_word]')
+            || strpos($text, '[vocabulary_short]')
+            || strpos($text, '[vocabulary_long]')) {
+            $voc = new Vocabulary();
+            $randomWord = $voc->getRandomWord();
+            $word = $voc->getWord($randomWord);
+
+            $text = str_replace('[vocabulary_word]', $word->word, $text);
+            $text = str_replace('[vocabulary_short]', $word->short, $text);
+            $text = str_replace('[vocabulary_long]', $word->long, $text);
+        }
+
+        return $text;
+
+    }
+}