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add marcus' migration changes to branch

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spencerrlongg 2024-01-02 17:28:41 -06:00
parent e028145ad9
commit 7c30261ec8
1 changed files with 36 additions and 17 deletions
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53
database/migrations/2023_07_13_052204_denormalized_eol_and_add_column_for_explicit_date_to_assets.php
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@ -3,6 +3,7 @@
use App\Models\Asset;
use Carbon\CarbonImmutable;
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Query\Expression;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
@ -25,24 +26,24 @@ class DenormalizedEolAndAddColumnForExplicitDateToAssets extends Migration
// Update the eol_explicit column with the value from asset_eol_date if it exists and is different from the calculated value
Asset::whereNotNull('asset_eol_date')->with('model')->chunkById(500, function ($assetsWithEolDates) {
foreach ($assetsWithEolDates as $asset) {
if ($asset->asset_eol_date && $asset->purchase_date) {
try {
$months = CarbonImmutable::parse($asset->asset_eol_date)->diffInMonths($asset->purchase_date);
} catch (\Exception $e) {
Log::info('asset_eol_date invalid for asset ' . $asset->id);
}
if ($asset->model->eol) {
if ($months != $asset->model->eol) {
$asset->update(['eol_explicit' => true]);
}
} else {
Asset::whereNotNull('asset_eol_date')->with('model')->chunkById(500, function ($assetsWithEolDates) {
foreach ($assetsWithEolDates as $asset) {
if ($asset->asset_eol_date && $asset->purchase_date) {
try {
$months = CarbonImmutable::parse($asset->asset_eol_date)->diffInMonths($asset->purchase_date);
} catch (\Exception $e) {
Log::info('asset_eol_date invalid for asset ' . $asset->id);
}
if ($asset->model->eol) {
if ($months != $asset->model->eol) {
$asset->update(['eol_explicit' => true]);
}
} else {
$asset->update(['eol_explicit' => true]);
}
}
});
}
});
DB::table('assets')
->whereNull('asset_eol_date')
@ -50,7 +51,7 @@ class DenormalizedEolAndAddColumnForExplicitDateToAssets extends Migration
->whereNotNull('model_id')
->join('models', 'assets.model_id', '=', 'models.id')
->update([
'asset_eol_date' => DB::raw('DATE_ADD(purchase_date, INTERVAL ' . DB::getTablePrefix() . 'models.eol MONTH)')
'asset_eol_date' => $this->eolUpdateExpression(),
]);
}
@ -63,7 +64,25 @@ class DenormalizedEolAndAddColumnForExplicitDateToAssets extends Migration
public function down()
{
Schema::table('assets', function (Blueprint $table) {
$table->dropColumn('eol_explicit');
$table->dropColumn('eol_explicit');
});
}
}
/**
* This method returns the correct database expression for either
* mysql, postgres, or sqlite depending on the driver being used.
*/
private function eolUpdateExpression(): Expression
{
if (DB::getDriverName() === 'sqlite') {
return DB::raw("DATE(purchase_date, '+' || (SELECT eol FROM " . DB::getTablePrefix() . "models WHERE models.id = assets.model_id) || ' months')");
}
if (DB::getDriverName() === 'pgsql') {
return DB::raw("date(purchase_date + interval '1 month' * (SELECT eol FROM " . DB::getTablePrefix() . "models WHERE models.id = assets.model_id))");
}
// Default to MySQL's method
return DB::raw('DATE_ADD(purchase_date, INTERVAL ' . DB::getTablePrefix() . 'models.eol MONTH)');
}
}