Refactor of micropub request handling

Trying to organise the code better. It now temporarily doesn’t support
update requests. Thought the spec defines them as SHOULD features and
not MUST features. So safe for now :)

app/Http/Requests/MicropubRequest.php

@@ -0,0 +1,106 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Support\Arr;
+
+class MicropubRequest extends FormRequest
+{
+    protected array $micropubData = [];
+
+    public function rules(): array
+    {
+        return [
+            // Validation rules
+        ];
+    }
+
+    public function getMicropubData(): array
+    {
+        return $this->micropubData;
+    }
+
+    public function getType(): ?string
+    {
+        // Return consistent type regardless of input format
+        return $this->micropubData['type'] ?? null;
+    }
+
+    protected function prepareForValidation(): void
+    {
+        // Normalize the request data based on content type
+        if ($this->isJson()) {
+            $this->normalizeMicropubJson();
+        } else {
+            $this->normalizeMicropubForm();
+        }
+    }
+
+    private function normalizeMicropubJson(): void
+    {
+        $json = $this->json();
+        if ($json === null) {
+            throw new \InvalidArgumentException('`isJson()` passed but there is no json data');
+        }
+
+        $data = $json->all();
+
+        // Convert JSON type (h-entry) to simple type (entry)
+        if (isset($data['type']) && is_array($data['type'])) {
+            $type = current($data['type']);
+            if (strpos($type, 'h-') === 0) {
+                $this->micropubData['type'] = substr($type, 2);
+            }
+        }
+        // Or set the type to update
+        elseif (isset($data['action']) && $data['action'] === 'update') {
+            $this->micropubData['type'] = 'update';
+        }
+
+        // Add in the token data
+        $this->micropubData['token_data'] = $data['token_data'];
+
+        // Add h-entry values
+        $this->micropubData['content'] = Arr::get($data, 'properties.content.0');
+        $this->micropubData['in-reply-to'] = Arr::get($data, 'properties.in-reply-to.0');
+        $this->micropubData['published'] = Arr::get($data, 'properties.published.0');
+        $this->micropubData['location'] = Arr::get($data, 'location');
+        $this->micropubData['bookmark-of'] = Arr::get($data, 'properties.bookmark-of.0');
+        $this->micropubData['like-of'] = Arr::get($data, 'properties.like-of.0');
+        $this->micropubData['mp-syndicate-to'] = Arr::get($data, 'properties.mp-syndicate-to');
+
+        // Add h-card values
+        $this->micropubData['name'] = Arr::get($data, 'properties.name.0');
+        $this->micropubData['description'] = Arr::get($data, 'properties.description.0');
+        $this->micropubData['geo'] = Arr::get($data, 'properties.geo.0');
+
+        // Add checkin value
+        $this->micropubData['checkin'] = Arr::get($data, 'checkin');
+        $this->micropubData['syndication'] = Arr::get($data, 'properties.syndication.0');
+    }
+
+    private function normalizeMicropubForm(): void
+    {
+        // Convert form h=entry to type=entry
+        if ($h = $this->input('h')) {
+            $this->micropubData['type'] = $h;
+        }
+
+        // Add some fields to the micropub data with default null values
+        $this->micropubData['in-reply-to'] = null;
+        $this->micropubData['published'] = null;
+        $this->micropubData['location'] = null;
+        $this->micropubData['description'] = null;
+        $this->micropubData['geo'] = null;
+        $this->micropubData['latitude'] = null;
+        $this->micropubData['longitude'] = null;
+
+        // Map form fields to micropub data
+        foreach ($this->except(['h', 'access_token']) as $key => $value) {
+            $this->micropubData[$key] = $value;
+        }
+    }
+}