mateusjatenee/crypto-tracker

use App\Models\Account;
use App\Models\Transaction;
use App\Position;
use Illuminate\Support\Collection;

class AccountService
{
    public function getPositions(Account $account): Collection
    {
        return $account->transactions()
                ->with('asset')
                ->get()
                ->groupBy(fn ($transaction) => $transaction->asset->id)
                ->map(function (Collection $transactions, $assetId) use ($account) {
                    return new Position($account, $transactions->first()->asset, $transactions);
                });
    }
}

use App\Contracts\HasPositions;
use App\Position;
use Carbon\Carbon;
use App\Models\Asset;
use App\Enums\AccountType;
use App\Models\Transaction;
use App\Enums\TransactionType;
use App\Services\AccountService;
use App\Models\PositionAggregate;
use App\Contracts\Transactionable;
use Illuminate\Support\Collection;
use App\Enums\PositionAggregateType;
use App\Transactions\CashTransaction;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Factories\HasFactory;

class Account extends Model implements HasPositions
{
    //
    public function positions(): Collection
    {
        return (new AccountService())->getPositions($this)
            ->sortByDesc(fn (Position $position) => $position->totalPosition());
    }
    //
}