poc-pds1/app/Filament/Imports/MfmReadingImporter.php

<?php

namespace App\Filament\Imports;

use App\Models\MfmReading;
use Filament\Actions\Imports\ImportColumn;
use Filament\Actions\Imports\Importer;
use Filament\Actions\Imports\Models\Import;

class MfmReadingImporter extends Importer
{
    protected static ?string $model = MfmReading::class;

    public static function getColumns(): array
    {
        return [
            ImportColumn::make('plant')
                ->requiredMapping()
                ->exampleHeader('Plant Name')
                ->example('Ransar Industries-I')
                ->label('Plant Name')
                ->relationship(resolveUsing:'name')
                ->rules(['required']),
            ImportColumn::make('mfmMeter')
                ->requiredMapping()
                ->exampleHeader('Mfm Meter Name')
                ->example('Display SSB')
                ->label('Display SSB')
                ->relationship(resolveUsing:'name')
                ->rules(['required']),
            ImportColumn::make('apparent_energy_received')
                ->requiredMapping()
                ->exampleHeader('Apparent Energy Received')
                ->example('1084610')
                ->label('Apparent Energy Received')
                ->rules(['required']),
            ImportColumn::make('reactive_energy_received')
                ->requiredMapping()
                ->exampleHeader('Reactive Energy Received')
                ->example('347496.9')
                ->label('Reactive Energy Received')
                ->rules(['required']),
            ImportColumn::make('active_energy_received')
                ->requiredMapping()
                ->exampleHeader('Active Energy Received')
                ->example('611717.1')
                ->label('Active Energy Received')
                ->rules(['required']),
            ImportColumn::make('active_power_r')
                ->requiredMapping()
                ->exampleHeader('Active Power R')
                ->example('3.974')
                ->label('Active Power R')
                ->rules(['required']),
            ImportColumn::make('active_power_y')
                ->requiredMapping()
                ->exampleHeader('Active Power Y')
                ->example('0.796')
                ->label('Active Power Y')
                ->rules(['required']),
            ImportColumn::make('active_power_b')
                ->requiredMapping()
                ->exampleHeader('Active Power B')
                ->example('1.397')
                ->label('Active Power B')
                ->rules(['required']),
            ImportColumn::make('active_power_total')
                ->requiredMapping()
                ->exampleHeader('Active Power Total')
                ->example('6.433')
                ->label('Active Power Total')
                ->rules(['required']),
            ImportColumn::make('voltage_ry')
                ->requiredMapping()
                ->exampleHeader('Voltage RY')
                ->example('413.308')
                ->label('Voltage RY')
                ->rules(['required']),
            ImportColumn::make('voltage_yb')
                ->requiredMapping()
                ->exampleHeader('Voltage YB')
                ->example('415.305')
                ->label('Voltage YB')
                ->rules(['required']),
            ImportColumn::make('voltage_br')
                ->requiredMapping()
                ->exampleHeader('Voltage BR')
                ->example('415.216')
                ->label('Voltage BR')
                ->rules(['required']),
            ImportColumn::make('current_r')
                ->requiredMapping()
                ->exampleHeader('Current R')
                ->example('17.446')
                ->label('Current R')
                ->rules(['required']),
            ImportColumn::make('current_y')
                ->requiredMapping()
                ->exampleHeader('Current Y')
                ->example('4.801')
                ->label('Current Y')
                ->rules(['required']),
            ImportColumn::make('current_b')
                ->requiredMapping()
                ->exampleHeader('Current B')
                ->example('7.04')
                ->label('Current B')
                ->rules(['required']),
            ImportColumn::make('current_n')
                ->requiredMapping()
                ->exampleHeader('Current N')
                ->example('14.063')
                ->label('Current N')
                ->rules(['required']),
            ImportColumn::make('voltage_r_n')
                ->requiredMapping()
                ->exampleHeader('Voltage R N')
                ->example('237.898')
                ->label('Voltage R N')
                ->rules(['required']),
            ImportColumn::make('voltage_y_n')
                ->requiredMapping()
                ->exampleHeader('Voltage Y N')
                ->example('239.518')
                ->label('Voltage Y N')
                ->rules(['required']),
            ImportColumn::make('voltage_b_n')
                ->requiredMapping()
                ->exampleHeader('Voltage B N')
                ->example('240.798')
                ->label('Voltage B N')
                ->rules(['required']),
            ImportColumn::make('frequency')
                ->requiredMapping()
                ->exampleHeader('Frequency')
                ->example('50.228')
                ->label('Frequency')
                ->rules(['required']),
            ImportColumn::make('power_factor_r')
                ->requiredMapping()
                ->exampleHeader('Power Factor R')
                ->example('0.988')
                ->label('Power Factor R')
                ->rules(['required']),
            ImportColumn::make('power_factor_y')
                ->requiredMapping()
                ->exampleHeader('Power Factor Y')
                ->example('0.764')
                ->label('Power Factor Y')
                ->rules(['required']),
            ImportColumn::make('power_factor_b')
                ->requiredMapping()
                ->exampleHeader('Power Factor B')
                ->example('0.849')
                ->label('Power Factor B')
                ->rules(['required']),
            ImportColumn::make('power_factor_total')
                ->requiredMapping()
                ->exampleHeader('Power Factor Total')
                ->example('0.919')
                ->label('Power Factor Total')
                ->rules(['required']),
        ];
    }

    public function resolveRecord(): ?MfmReading
    {
        // return MfmReading::firstOrNew([
        //     // Update existing records, matching them by `$this->data['column_name']`
        //     'email' => $this->data['email'],
        // ]);

        return new MfmReading();
    }

    public static function getCompletedNotificationBody(Import $import): string
    {
        $body = 'Your mfm reading import has completed and ' . number_format($import->successful_rows) . ' ' . str('row')->plural($import->successful_rows) . ' imported.';

        if ($failedRowsCount = $import->getFailedRowsCount()) {
            $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to import.';
        }

        return $body;
    }
}