Added basic checking flow

Author: abhishekmsingh

.env.example

@@ -0,0 +1,47 @@
+APP_NAME=Digikaksha
+APP_ENV=local
+APP_KEY=
+APP_DEBUG=true
+APP_URL=http://localhost
+
+LOG_CHANNEL=stack
+
+DB_CONNECTION=mysql
+DB_HOST=127.0.0.1
+DB_PORT=3306
+DB_DATABASE=digikaksha
+DB_USERNAME=root
+DB_PASSWORD=
+
+BROADCAST_DRIVER=log
+CACHE_DRIVER=file
+QUEUE_CONNECTION=sync
+SESSION_DRIVER=file
+SESSION_LIFETIME=120
+
+REDIS_HOST=127.0.0.1
+REDIS_PASSWORD=null
+REDIS_PORT=6379
+
+MAIL_MAILER=smtp
+MAIL_HOST=smtp.mailtrap.io
+MAIL_PORT=2525
+MAIL_USERNAME=null
+MAIL_PASSWORD=null
+MAIL_ENCRYPTION=null
+MAIL_FROM_ADDRESS=null
+MAIL_FROM_NAME="${APP_NAME}"
+
+AWS_ACCESS_KEY_ID=
+AWS_SECRET_ACCESS_KEY=
+AWS_DEFAULT_REGION=us-east-1
+AWS_BUCKET=
+
+PUSHER_APP_ID=
+PUSHER_APP_KEY=
+PUSHER_APP_SECRET=
+PUSHER_APP_CLUSTER=mt1
+
+MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"
+MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"
+GOOGLE_CLOUD_KEY=

app/Http/Controllers/AnnouncementsController.php

@@ -47,6 +47,7 @@ public function store(Request $request)
             $announcement->graded=1;
             $announcement->max_grade = $request->input('max_grade');
             $announcement->component = $request->input('component');
+            $announcement->answer = $request->input('answer');
         }
         else $announcement->graded=0;
         $announcement->user_id = auth()->user()->id;

app/Http/Controllers/SubmissionsController.php

@@ -3,7 +3,8 @@
 namespace App\Http\Controllers;
 
 use Illuminate\Http\Request;
-
+use GoogleCloudVision\GoogleCloudVision;
+use GoogleCloudVision\Request\AnnotateImageRequest;
 class SubmissionsController extends Controller
 {
     /**
@@ -47,6 +48,22 @@ public function store(Request $request)
         $submission = new \App\Submission();
         $submission->announcement_id = $request->input('announcement');
         $submission->body = $request->input('body');
+        if($request->hasFile('photos')){
+            $files = $request->file("photos");
+            $body = "";
+            foreach($files as $file){
+                $image = base64_encode(file_get_contents($file));
+                $request = new AnnotateImageRequest();
+                $request->setImage($image);
+                $request->setFeature("DOCUMENT_TEXT_DETECTION");
+                $gcvRequest = new GoogleCloudVision([$request],  env('GOOGLE_CLOUD_KEY'));
+                $response = $gcvRequest->annotate();
+                $body .= $response->responses[0]->textAnnotations[0]->description;
+            }
+            $body = trim(preg_replace('/\s+/', ' ', $body));
+            $submission->body = $body;
+        }
+        $submission->auto_grade = $this->calc_sim($submission->body, $announcement->answer)*$announcement->max_grade;
         $submission->user_id = auth()->user()->id;
         $submission->save();
         return redirect('/announcements'.'/'.$announcement->id)->with('status', 'Submission done!');
@@ -115,6 +132,16 @@ public function destroy($id)
         //
     }
 
+    public function calc_sim($text1, $text2){
+        $uri ="https://twinword-text-similarity-v1.p.rapidapi.com/similarity/?text1=".urlencode($text1)."&text2=".urlencode($text2);
+        $response = \Unirest\Request::get("$uri",
+            array(
+                "X-RapidAPI-Key" => "0d4592612amsh2e69e9506883a6cp128a49jsn81286e4ac028"
+            )
+        );
+        return $response->body->similarity;
+    }
+
     public function isValid($announcement)
     {
         $flag = false;

composer.json

@@ -14,7 +14,9 @@
         "guzzlehttp/guzzle": "^6.3",
         "laravel/framework": "^7.0",
         "laravel/tinker": "^2.0",
-        "laravel/ui": "^2.0"
+        "laravel/ui": "^2.0",
+        "mashape/unirest-php": "^3.0",
+        "wapnen/google-cloud-vision-php": "dev-master"
     },
     "require-dev": {
         "facade/ignition": "^2.0",

composer.lock

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddAutoGradeToSubmissionsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('submissions', function (Blueprint $table) {
+            //
+            $table->float('auto_grade')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('submissions', function (Blueprint $table) {
+            //
+        });
+    }
+}

database/migrations/2021_04_26_074001_add_auto_grade_to_submissions_table.php

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddAnswerColumnToAnnouncementsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('announcements', function (Blueprint $table) {
+            //
+            $table->text('answer')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('announcements', function (Blueprint $table) {
+            //
+        });
+    }
+}