From be3957746698b0407156abfe494fbec7cab6815f Mon Sep 17 00:00:00 2001
From: James Collins <james.collins@outlook.com.au>
Date: Sun, 5 Feb 2023 11:35:21 +1000
Subject: [PATCH] added OCR support

---
 app/Http/Controllers/Api/OCRController.php | 78 ++++++++++++++++++++++
 routes/api.php                             |  8 ++-
 2 files changed, 83 insertions(+), 3 deletions(-)
 create mode 100644 app/Http/Controllers/Api/OCRController.php

diff --git a/app/Http/Controllers/Api/OCRController.php b/app/Http/Controllers/Api/OCRController.php
new file mode 100644
index 0000000..fd27ea2
--- /dev/null
+++ b/app/Http/Controllers/Api/OCRController.php
@@ -0,0 +1,78 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use Illuminate\Http\Request;
+use thiagoalessio\TesseractOCR\TesseractOCR;
+
+class OCRController extends ApiController
+{
+    /**
+     * ApplicationController constructor.
+     */
+    public function __construct()
+    {
+        // $this->middleware('auth:sanctum')
+        // ->only(['show']);
+    }
+
+    /**
+     * Display the specified resource.
+     *
+     * @param  Request $request The log request.
+     * @param  string  $name    The log name.
+     * @return \Illuminate\Http\Response
+     */
+    public function show(Request $request, string $name)
+    {
+        // if ($request->user()?->hasPermission('logs/' . $name) === true) {
+        $url = $request->get('url');
+        if ($url !== null) {
+            $tmpfname = tempnam(sys_get_temp_dir(), 'download');
+
+            $ch = curl_init();
+            curl_setopt($ch, CURLOPT_URL, $url);
+            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+            $data = curl_exec($ch);
+            curl_close($ch);
+
+            file_put_contents($tmpfname, $data);
+
+            $ocr = new TesseractOCR();
+            $ocr->image($tmpfname);
+            $result = $ocr->run(500);
+
+            unlink($tmpfname);
+
+            return $this->respondJson([
+                'ocr' => $result
+            ]);
+        }//end if
+
+        return $this->respondWithErrors(['url' => 'url is missing']);
+    }
+
+
+    // $ffmpeg = FFMpeg\FFMpeg::create();
+
+    // // Load the input video
+    // $inputFile = $ffmpeg->open('input.mp4');
+
+    // // Split the video into individual frames
+    // $videoFrames = $inputFile->frames();
+    // foreach ($videoFrames as $frame) {
+    //   // Save the frame as a PNG
+    //   $frame->save(new FFMpeg\Format\Video\PNG(), 'frame-' . $frame->getMetadata('pts') . '.png');
+
+    //   // Pass the PNG to Tesseract for processing
+    //   exec("tesseract frame-" . $frame->getMetadata('pts') . ".png output");
+    // }
+
+    // // Read the output from Tesseract
+    // $text = file_get_contents("output.txt");
+
+    // // Do something with the text from Tesseract
+    // echo $text;
+}
diff --git a/routes/api.php b/routes/api.php
index 85ff6db..75be01a 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -2,13 +2,14 @@
 
 use Illuminate\Support\Facades\Route;
 use App\Http\Controllers\Api\AuthController;
-use App\Http\Controllers\Api\UserController;
-use App\Http\Controllers\Api\PostController;
+use App\Http\Controllers\Api\ContactController;
 use App\Http\Controllers\Api\EventController;
 use App\Http\Controllers\Api\LogController;
 use App\Http\Controllers\Api\MediaController;
-use App\Http\Controllers\Api\ContactController;
+use App\Http\Controllers\Api\OCRController;
+use App\Http\Controllers\Api\PostController;
 use App\Http\Controllers\Api\SubscriptionController;
+use App\Http\Controllers\Api\UserController;
 
 /*
 |--------------------------------------------------------------------------
@@ -44,6 +45,7 @@ Route::delete('subscriptions', [SubscriptionController::class, 'destroyByEmail']
 Route::post('/contact', [ContactController::class, 'send']);
 
 Route::get('/logs/{name}', [LogController::class, 'show']);
+Route::get('/ocr', [OCRController::class, 'show']);
 
 Route::middleware('auth:sanctum')->group(function () {
     Route::post('/logout', [AuthController::class, 'logout']);