Upload immagine

upload.php

<?php
use App\Image as ImageModel;
use Intervention\Image\ImageManagerStatic as Image;

public function upload(Request $request)
    {
        //Verifico Immagine
        Validator::make(request()->all(), [
            'file' => 'image|mimes:jpeg,png,jpg,gif,svg|max:5120',
        ])->validate();

        ini_set('memory_limit', '256M');
        $uploadedImages = ImageModel::where('id_immobile', $request->estate_id);

        //Estensione originale immagine
        $extension = strtolower($request->file->getClientOriginalExtension());
        //Composizione nome immagine da upload {ID}_{branch}_{date}_{time}_{random}
        $imageName = $request->estate_id . '_' . Auth::user()->branch_id . '_' . date('Ymd') . '_' . time() . '_' . Str::random(15);

        $imageFile = $request->file;
        $filename  = $imageFile->getClientOriginalName();

        //Resize immagine
        $imageResize = Image::make($imageFile->getRealPath());

        if ($imageResize->height() > 1050) {
            $imageResize->resize(null, 1050, function ($constraint) {
                $constraint->aspectRatio();
            });
        }

        //Thumb immagine
        $imageThumb = Image::make($imageFile->getRealPath());

        if ($imageThumb->height() > 150) {
            $imageThumb->resize(null, 150, function ($constraint) {
                $constraint->aspectRatio();
            });
        }

        //Salvo immagine + thumb
        $path                = 'app/public/images/estates/' . Auth::user()->branch_id;
        $saveOriginalResized = $imageResize->save(storage_path($path . '/' . $imageName . '.' . $extension));
        $saveOriginalThumb   = $imageThumb->save(storage_path($path . '/' . $imageName . '_thumb.' . $extension));

        if ($saveOriginalResized && $saveOriginalThumb) {
            $sequence = $uploadedImages->max('sequence');

            $image                = new ImageModel;
            $image->original_name = $filename;
            $image->img_url       = $imageName . '.' . $extension;
            $image->save();
            return response()->json(['success' => $image]);
        }
    }