151 lines
3.4 KiB
PHP
151 lines
3.4 KiB
PHP
<?php
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namespace App\Services\Importers;
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use App\Services\ImporterService;
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use App\Services\Installer\LoggerTrait;
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use App\Utils\IdMapper;
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use App\Utils\ImporterDB;
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use Carbon\Carbon;
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use Illuminate\Bus\Queueable;
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use Illuminate\Foundation\Bus\Dispatchable;
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use Illuminate\Queue\InteractsWithQueue;
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use Illuminate\Support\Facades\Log;
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abstract class BaseImporter
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{
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use LoggerTrait;
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use Dispatchable;
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use InteractsWithQueue;
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use Queueable;
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/**
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* Holds the connection to the legacy database
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*
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* @var ImporterDB
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*/
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protected $db;
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/**
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* The mapper class used for old IDs to new IDs
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*
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* @var IdMapper
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*/
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protected $idMapper;
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/**
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* The legacy table this importer targets
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*
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* @var string
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*/
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protected $table;
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/**
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* The column used for the ID, used for the ORDER BY
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*
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* @var string
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*/
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protected $idField = 'id';
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public function __construct()
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{
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$importerService = app(ImporterService::class);
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$this->db = new ImporterDB($importerService->getCredentials());
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$this->idMapper = app(IdMapper::class);
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}
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/**
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* The start method. Takes the offset to start from
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*
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* @param int $start
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*
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* @return mixed
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*/
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abstract public function run($start = 0);
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/**
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* Return a manifest of the import tasks to run. Returns an array of objects,
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* which contain a start and end row
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*
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* @return array
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*/
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public function getManifest(): array
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{
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$manifest = [];
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// Ensure that the table exists; if it doesn't skip it from the manifest
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if (!$this->db->tableExists($this->table)) {
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Log::info('Table '.$this->table.' doesn\'t exist');
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return [];
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}
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$start = 0;
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$total_rows = $this->db->getTotalRows($this->table);
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Log::info('Found '.$total_rows.' rows for '.$this->table);
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do {
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$end = $start + $this->db->batchSize;
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if ($end > $total_rows) {
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$end = $total_rows;
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}
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$idx = $start + 1;
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$manifest[] = [
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'importer' => static::class,
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'start' => $start,
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'end' => $end,
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'message' => 'Importing '.$this->table.' ('.$idx.' - '.$end.' of '.$total_rows.')',
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];
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$start += $this->db->batchSize;
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} while ($start < $total_rows);
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return $manifest;
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}
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/**
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* Determine what columns exist, can be used for feature testing between v2/v5
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*
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* @return array
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*/
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public function getColumns(): array
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{
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return [];
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}
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/**
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* @param $date
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*
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* @return Carbon
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*/
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protected function parseDate($date)
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{
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return Carbon::parse($date);
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}
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/**
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* Take a decimal duration and convert it to minutes
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*
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* @param $duration
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*
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* @return float|int
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*/
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protected function convertDuration($duration)
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{
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if (strpos($duration, '.') !== false) {
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$delim = '.';
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} elseif (strpos($duration, ':')) {
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$delim = ':';
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} else {
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// no delimiter, assume it's just a straight hour
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return (int) $duration * 60;
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}
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$hm = explode($delim, $duration);
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$hours = (int) $hm[0] * 60;
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$mins = (int) $hm[1];
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return $hours + $mins;
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}
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}
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