tabungin/apps/api/dist/wallets/wallet-balance.service.js

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.WalletBalanceService = void 0;
const common_1 = require("@nestjs/common");
const prisma_service_1 = require("../prisma/prisma.service");
const library_1 = require("@prisma/client/runtime/library");
let WalletBalanceService = class WalletBalanceService {
    prisma;
    constructor(prisma) {
        this.prisma = prisma;
    }
    async calculateBalance(walletId) {
        const wallet = await this.prisma.wallet.findUnique({
            where: { id: walletId },
            include: {
                transactions: {
                    orderBy: { date: 'asc' },
                },
            },
        });
        if (!wallet) {
            throw new Error('Wallet not found');
        }
        console.log(`[Balance] Calculating for wallet ${walletId}:`, {
            name: wallet.name,
            kind: wallet.kind,
            initialAmount: wallet.initialAmount?.toString(),
            transactionCount: wallet.transactions.length,
        });
        const reservedBalance = new library_1.Decimal(wallet.reservedBalance || 0);
        if (wallet.kind === 'money') {
            let totalBalance = wallet.initialAmount ? new library_1.Decimal(wallet.initialAmount) : new library_1.Decimal(0);
            for (const tx of wallet.transactions) {
                if (tx.direction === 'in') {
                    totalBalance = totalBalance.plus(tx.amount);
                }
                else {
                    totalBalance = totalBalance.minus(tx.amount);
                }
            }
            const availableBalance = totalBalance.minus(reservedBalance);
            return {
                walletId: wallet.id,
                kind: wallet.kind,
                currency: wallet.currency || 'IDR',
                totalBalance,
                reservedBalance,
                availableBalance: availableBalance.greaterThanOrEqualTo(0) ? availableBalance : new library_1.Decimal(0),
                pricePerUnit: wallet.pricePerUnit || undefined,
            };
        }
        else {
            let totalUnits = wallet.initialAmount ? new library_1.Decimal(wallet.initialAmount) : new library_1.Decimal(0);
            for (const tx of wallet.transactions) {
                if (tx.direction === 'in') {
                    totalUnits = totalUnits.plus(tx.amount);
                }
                else {
                    totalUnits = totalUnits.minus(tx.amount);
                }
            }
            const pricePerUnit = wallet.pricePerUnit ? new library_1.Decimal(wallet.pricePerUnit) : new library_1.Decimal(0);
            const totalValue = totalUnits.times(pricePerUnit);
            const reservedUnits = pricePerUnit.greaterThan(0) ? reservedBalance.dividedBy(pricePerUnit) : new library_1.Decimal(0);
            const availableUnits = totalUnits.minus(reservedUnits);
            const availableValue = totalValue.minus(reservedBalance);
            return {
                walletId: wallet.id,
                kind: wallet.kind,
                unit: wallet.unit || 'units',
                totalUnits,
                pricePerUnit,
                totalValue,
                totalBalance: totalUnits,
                reservedBalance: reservedUnits,
                availableBalance: availableUnits.greaterThanOrEqualTo(0) ? availableUnits : new library_1.Decimal(0),
            };
        }
    }
    async calculateMultipleBalances(walletIds) {
        return Promise.all(walletIds.map(id => this.calculateBalance(id)));
    }
    async getAllUserWalletBalances(userId) {
        const wallets = await this.prisma.wallet.findMany({
            where: { userId, deletedAt: null },
            select: { id: true },
        });
        return this.calculateMultipleBalances(wallets.map(w => w.id));
    }
};
exports.WalletBalanceService = WalletBalanceService;
exports.WalletBalanceService = WalletBalanceService = __decorate([
    (0, common_1.Injectable)(),
    __metadata("design:paramtypes", [prisma_service_1.PrismaService])
], WalletBalanceService);
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