initial commit

app/Services/Google/DTO/ImageGenerationPrediction.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Services\Google\DTO;
+
+class ImageGenerationPrediction
+{
+    public readonly string $bytesBase64Encoded;
+    public readonly string $mimeType;
+
+    public function __construct(string $bytesBase64Encoded, string $mimeType)
+    {
+        $this->bytesBase64Encoded = $bytesBase64Encoded;
+        $this->mimeType = $mimeType;
+    }
+}

app/Services/Google/DTO/ImageGenerationRequest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Services\Google\DTO;
+
+class ImageGenerationRequest
+{
+    public function __construct(
+        public readonly string $prompt,
+        public readonly ?string $negativePrompt = null,
+        public readonly ?int $sampleCount = null,
+        public readonly ?string $aspectRatio = null,
+        public readonly ?string $safetySetting = null,
+    )
+    {
+    }
+}

app/Services/Google/DTO/ImageGenerationResponse.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Services\Google\DTO;
+
+use App\Services\Google\Error\APIError;
+
+class ImageGenerationResponse
+{
+    /**
+     * @var \App\Services\Google\DTO\ImageGenerationPrediction[]
+     */
+    public readonly array $predictions;
+    public readonly ?APIError $error;
+
+    public function __construct(array $rawResponse)
+    {
+        if (isset($rawResponse['predictions']) && count($rawResponse['predictions']) > 0) {
+            $predictions = [];
+            foreach ($rawResponse['predictions'] as $prediction) {
+                $predictions[] = new ImageGenerationPrediction($prediction['bytesBase64Encoded'], $prediction['mimeType']);
+            }
+            $this->predictions = $predictions;
+            $this->error = null;
+        }
+
+        if (isset($rawResponse['error'])) {
+            $error = $rawResponse['error'];
+            $this->error = new APIError($error['message'], $error['code']);
+        }
+
+        if (!isset($this->predictions) && !isset($this->error)) {
+            $this->error = new APIError('An unknown error occurred.', 0,);
+        }
+    }
+}