Mejora de productos

provm/common/Implementation/Model.php

@@ -0,0 +1,55 @@
+<?php
+namespace ProVM\Common\Implementation;
+
+use ProVM\Common\Factory\Model as ModelFactory;
+
+abstract class Model implements \JsonSerializable {
+  abstract public function map($data): Model;
+  protected $factory;
+  public function setFactory(ModelFactory $factory) {
+    $this->factory = $factory;
+  }
+  public function __get(string $name) {
+    if (!property_exists($this, $name)) {
+      throw new \InvalidArgumentException($name . ' is not a property of ' . get_called_class());
+    }
+    return $this->$name;
+  }
+  public function save() {
+    $filename = $this->getFilename();
+    $data = json_decode(trim(file_Get_contents($filename)));
+    if ($this->id === null) {
+      $this->id = array_reduce($data, function($max, $item) {
+        return (($max < $item->id) ? $item->id : $max);
+      }, 0) + 1;
+      $data []= $this->jsonSerialize();
+    } else {
+      foreach ($data as $i => $item) {
+        if ($item->id == $this->id) {
+          $data[$i] = $this->jsonSerialize();
+        }
+      }
+    }
+    $data = array_values($data);
+    return (file_put_contents($filename, json_encode($data, \JSON_PRETTY_PRINT | \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE)) !== false);
+  }
+  public function delete() {
+    $filename = $this->getFilename();
+    $data = json_decode(trim(file_Get_contents($filename)));
+    foreach ($data as $i => $item) {
+      if ($item->id == $this->id) {
+        unset($data[$i]);
+      }
+    }
+    $data = array_values($data);
+    return (file_put_contents($filename, json_encode($data, \JSON_PRETTY_PRINT | \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE)) !== false);
+  }
+  protected function getFilename(): string {
+    $data = explode("\\", get_called_class());
+    $folder = $this->factory->getFolder();
+    return implode(DIRECTORY_SEPARATOR, [
+      $folder,
+      str_replace(' ', '_', mb_strtolower(array_pop($data))) . 's.json'
+    ]);
+  }
+}