<?php

namespace ProcessMaker\ImportExport;

use Illuminate\Support\Facades\DB;

use Illuminate\Support\Facades\Schema;

class Importer

{

public $options;

public $payload;

public $manifest;

public function __construct(array $payload, Options $options)

{

$this->payload = $payload;

$this->options = $options;

$this->manifest = $this->loadManifest();

}

public function previewImport()

{

return $this->manifest->toArray(true);

}

public function loadManifest()

{

return Manifest::fromArray($this->payload['export'], $this->options);

}

public function doImport($existingAssetInDatabase = null)

{

DB::transaction(function () use ($existingAssetInDatabase) {

// First, we save the model so we have IDs set for all assets

Schema::disableForeignKeyConstraints();

foreach ($this->manifest->all() as $exporter) {

if ($exporter->mode !== 'discard') {

if ($exporter->disableEventsWhenImporting) {

$exporter->model->saveQuietly();

} else {

$exporter->model->save();

}

$exporter->log('newId', $exporter->model->id);

}

}

Schema::enableForeignKeyConstraints();

// Now, run the import method in each Exporter class

foreach ($this->manifest->all() as $exporter) {

if ($exporter->mode !== 'discard') {

$exporter->runImport($existingAssetInDatabase);

}

}

$this->manifest->runAfterImport();

});

return $this->manifest->all();

}

}