Separate text filter decorators.

app/Paper/HtmlToPos.php

@@ -3,113 +3,28 @@
 namespace App\Paper;
 
 
+use App\Decorators\HideLinesDecorator;
+use App\Decorators\NewLineDecorator;
+use App\Decorators\RandomElementsDecorator;
+use App\Decorators\RandomNumberDecorator;
+use App\Decorators\Text;
+use App\Decorators\TextBreakDecorator;
+use App\Decorators\TraficarDecorator;
+use App\Decorators\VocabularyWordDecorator;
+
 class HtmlToPos
 {
 
-
-    private function handleNewLine($text)
-    {
-        return str_replace(['<br>', '<br/>', '<br />'], "\n", $text);
-    }
-
-    /**
-     * usuwa linijki które na początku mają ! albo #
-     * @param $posText
-     * @return string
-     */
-    private function hideLines($posText): string
-    {
-        return preg_replace('/^\s*[!#].*?$[\r\n]?/m', '', $posText);
-    }
-
-
-    private function pickRandomElement($posText)
-    {
-        /**
-         * poniższy kod wybieraz tekstu fragmenty w podwójnych nawiasach kwadratowych, rozdziela je po przecinkach
-         * następnie losuje element i podmienia go w miejsce oryginalnego fragmentu
-         */
-        $re = "#\[\[(.*?)\]\]#s";
-        preg_match_all($re, $posText, $found, PREG_SET_ORDER, 0);
-        foreach ($found as $elements) {
-            $data = explode(',', $elements[1]);
-            $data = array_filter($data, function ($el) {
-                return strlen(trim($el));
-            });
-            $data = array_values($data);
-            $pos = strpos($posText, $elements[0]);
-            $posText = substr_replace($posText, $data[mt_rand(0, count($data) - 1)], $pos, strlen($elements[0]));
-        }
-        return $posText;
-    }
-
-    private function randomNumber($posText)
-    {
-
-        /**
-         * przeszukiwanie tekstu pod katem zawartości [ liczba, liczba2 ] i zamienianiu tego na randomową liczbę z przedziału
-         * liczba - liczba2
-         * obojętnie czy ujemną czy nie
-         */
-        $re = '/\[\s*(-?\d+)\s*\,\s*(-?\d+)\s*\]/';
-        preg_match_all($re, $posText, $matches, PREG_SET_ORDER, 0);
-        foreach ($matches as $match) {
-            $pos = strpos($posText, $match[0]);
-            $posText = substr_replace($posText, mt_rand($match[1], $match[2]), $pos, strlen($match[0]));
-        }
-        return $posText;
-    }
-
-    public function vocabularyWord($posText)
-    {
-        if (strstr($posText, '[vocabulary_word]')
-            || strpos($posText, '[vocabulary_short]')
-            || strpos($posText, '[vocabulary_long]')) {
-            $voc = new Vocabulary();
-            $randomWord = $voc->getRandomWord();
-            $word = $voc->getWord($randomWord);
-
-            $posText = str_replace('[vocabulary_word]', $word->word, $posText);
-            $posText = str_replace('[vocabulary_short]', $word->short, $posText);
-            $posText = str_replace('[vocabulary_long]', $word->long, $posText);
-        }
-
-        return $posText;
-    }
-
-    public function traficar($posText)
-    {
-        if (strstr($posText, '[traficar]')) {
-            $traficar = new Traficar();
-            $nearest = $traficar->nearestCarText();
-            $posText = str_replace('[traficar]', $nearest, $posText);
-        }
-        return $posText;
-    }
-
-
-    /**
-     * łamie tekst w miejscu spacji do długości 32 znaki na linię
-     * @param $posText
-     * @return string
-     */
-    public function textBreak($posText)
-    {
-        $posText = wordwrap($posText, 32);
-        return $posText;
-    }
-
     public function convert($html = '')
     {
-        $posText = $this->handleNewLine($html);
-        $posText = $this->hideLines($posText);
-        $posText = $this->pickRandomElement($posText);
-        $posText = $this->randomNumber($posText);
-        $posText = $this->vocabularyWord($posText);
-        $posText = $this->traficar($posText);
-
-        $posText = $this->textBreak($posText);
-
-        return $posText;
+        $text = new Text($html);
+        $text = new NewLineDecorator($text);
+        $text = new HideLinesDecorator($text);
+        $text = new RandomElementsDecorator($text);
+        $text = new RandomNumberDecorator($text);
+        $text = new VocabularyWordDecorator($text);
+        $text = new TraficarDecorator($text);
+        $text = new TextBreakDecorator($text);
+        return $text->getText();
     }
 }

app/Paper/Paper.php

@@ -5,9 +5,7 @@ namespace App\Paper;
 use Illuminate\Support\Facades\DB;
 use Mike42\Escpos\PrintConnectors\FilePrintConnector;
 use Mike42\Escpos\Printer;
-use App\Paper\HtmlToPos;
 use Mike42\Escpos\EscposImage;
-use Mockery\Exception;
 
 class Paper
 {
@@ -23,7 +21,7 @@ class Paper
         try {
             $this->connector = new FilePrintConnector("/dev/usb/lp0");
             $this->printer = new Printer($this->connector);
-        } catch (Exception $e) {
+        } catch (\Exception $e) {
             die($e->getMessage());
         }
     }

app/Paper/PrinterElements/PrinterDocument.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 27.02.2019
+ * Time: 23:49
+ */
+
+namespace App\Paper\PrinterElements;
+
+
+use App\Interfaces\PrinterElementInterface;
+
+class PrinterDocument implements PrinterElementInterface
+{
+
+    private $elements = [];
+
+    public function render(): string
+    {
+        foreach ($this->elements as $element) {
+
+        }
+    }
+
+    public function addElement(PrinterElementInterface $element)
+    {
+        $this->elements[] = $element;
+    }
+}

app/Paper/PrinterElements/TitlePrinterElement.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: k
+ * Date: 27.02.2019
+ * Time: 23:45
+ */
+
+namespace App\Paper\PrinterElements;
+
+
+use App\Interfaces\PrinterElementInterface;
+
+class TitlePrinterElement implements PrinterElementInterface
+{
+    private $title;
+
+    public function __construct($title)
+    {
+        $this->title = $title;
+    }
+
+    public function render(): string
+    {
+        return $this->title;
+    }
+}