add jsonFile based resolver/requirement

README.md

@@ -10,4 +10,5 @@ try the example URLs:
 
 * /home/Home.html
 * /content/News.html
+* /content/NewsItem.html?title=hawhaw&text=how%20how%20how
 

src/p2ee/SilexPartletDemo/Components/dynamic/JsonItemTest.php

@@ -0,0 +1,28 @@
+<?php
+namespace p2ee\SilexPartletDemo\Components\dynamic;
+
+use p2ee\SilexPartletDemo\Requirement\JsonFileRequirement;
+use p2ee\SilexPartletDemo\SilexPartlet;
+
+class JsonItemTest extends SilexPartlet
+{
+
+    protected $article;
+
+    public function collect()
+    {
+        yield [
+            new JsonFileRequirement('article' , __DIR__ . '/item.json', 'article1'),
+        ];
+    }
+
+    public function getData()
+    {
+
+        return [
+            'title' => $this->article['title'],
+            'text'  => $this->article['text'],
+        ];
+    }
+
+} 

src/p2ee/SilexPartletDemo/Components/dynamic/JsonItemTest.twig

@@ -0,0 +1,7 @@
+<li>
+    <article>
+        <h3>{{ title }}</h3>
+
+        <div>{{ text }}</div>
+    </article>
+</li>

src/p2ee/SilexPartletDemo/Components/dynamic/item.json

@@ -0,0 +1,10 @@
+{
+    "article1": {
+        "title": "haw haw",
+        "text": "how how how"
+    },
+    "article2": {
+        "title": "lroemia Ipsum",
+        "text": "dolorte to cetsum"
+    }
+}

src/p2ee/SilexPartletDemo/InjectorProvider/PreparerProvider.php

@@ -8,6 +8,8 @@
 use p2ee\Partlets\PartletRequirement;
 use p2ee\Partlets\PartletResolver;
 use p2ee\Preparables\Preparer;
+use p2ee\SilexPartletDemo\Requirement\JsonFileRequirement;
+use p2ee\SilexPartletDemo\Resolver\JsonFileResolver;
 use rg\injektor\Provider;
 
 /**
@@ -28,17 +30,27 @@ class PreparerProvider implements Provider {
      * @var \p2ee\Partlets\PartletResolver
      */
     private $partletResolver;
+    /**
+     * @var \p2ee\SilexPartletDemo\Resolver\JsonFileResolver
+     */
+    private $jsonFileResolver;
 
     /**
      * @inject
      * @param ServiceResolver $serviceResolver
      * @param RequestDataResolver $requestDataResolver
      * @param PartletResolver $partletResolver
      */
-    public function __construct(ServiceResolver $serviceResolver, RequestDataResolver $requestDataResolver, PartletResolver $partletResolver) {
+    public function __construct(
+        ServiceResolver $serviceResolver,
+        RequestDataResolver $requestDataResolver,
+        PartletResolver $partletResolver,
+        JsonFileResolver $jsonFileResolver
+    ) {
         $this->serviceResolver = $serviceResolver;
         $this->requestDataResolver = $requestDataResolver;
         $this->partletResolver = $partletResolver;
+        $this->jsonFileResolver = $jsonFileResolver;
     }
 
     private function build() {
@@ -49,7 +61,8 @@ private function build() {
             ServiceRequirement::class => $this->serviceResolver,
             RequestDataRequirement::class => $this->requestDataResolver,
             PartletRequirement::class => $this->partletResolver,
-        ]);
+            JsonFileRequirement::class => $this->jsonFileResolver,
+            ]);
     }
 
     public function get() {

src/p2ee/SilexPartletDemo/Requirement/JsonFileRequirement.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ *
+ *
+ *
+ *
+ */
+
+namespace p2ee\SilexPartletDemo\Requirement;
+
+use p2ee\Preparables\Requirement;
+
+class JsonFileRequirement extends Requirement
+{
+
+    protected $file;
+
+    protected $jsonElementKey;
+
+    public function __construct($key, $file, $jsonElementKey = null)
+    {
+        $this->key = $key;
+        $this->file = $file;
+        $this->jsonElementKey = $jsonElementKey;
+    }
+
+    public function getFile()
+    {
+        return $this->file;
+    }
+
+    public function getJsonElementKey()
+    {
+        return $this->jsonElementKey;
+    }
+
+    public function isCacheable()
+    {
+        return false;
+    }
+
+    public function getCacheKey()
+    {
+        return null;
+    }
+} 

src/p2ee/SilexPartletDemo/Resolver/JsonFileResolver.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ *
+ *
+ *
+ *
+ */
+
+namespace p2ee\SilexPartletDemo\Resolver;
+
+use p2ee\Preparables\Preparer;
+use p2ee\Preparables\Requirement;
+use p2ee\Preparables\Resolver;
+use p2ee\SilexPartletDemo\Requirement\JsonFileRequirement;
+
+class JsonFileResolver implements Resolver
+{
+
+    /**
+     * @param Requirement|JsonFileRequirement $requirement
+     * @param Preparer                        $preparer
+     *
+     * @return mixed
+     */
+    public function resolve(Requirement $requirement, Preparer $preparer)
+    {
+        $result = json_decode(file_get_contents($requirement->getFile()), true);
+
+        $key = $requirement->getJsonElementKey();
+        if ($key !== null) {
+            $result = $result[$key];
+        }
+        return $result;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSupportedType()
+    {
+        return JsonFileRequirement::class;
+    }
+}