Alexander Zinn
40210c454e
- Introduced bun.lock and package-lock.json to manage dependencies for the project. - Enhanced backend API architecture documentation with additional security and documentation guidelines. - Made minor formatting adjustments across various files for consistency and clarity.
82 lines
1.9 KiB
TypeScript
82 lines
1.9 KiB
TypeScript
import type {Liability, Prisma} from '@prisma/client';
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import {DatabaseConnection} from '../config/database';
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const prisma = DatabaseConnection.getInstance();
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/**
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* Repository for Liability data access
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* Implements Single Responsibility Principle - handles only database operations
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*/
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export class LiabilityRepository {
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async findById(id: string): Promise<Liability | null> {
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return prisma.liability.findUnique({
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where: {id}
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});
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}
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async findByIdAndUser(id: string, userId: string): Promise<Liability | null> {
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return prisma.liability.findFirst({
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where: {id, userId}
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});
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}
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async findAllByUser(userId: string): Promise<Liability[]> {
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return prisma.liability.findMany({
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where: {userId},
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orderBy: {createdAt: 'desc'}
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});
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}
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async create(data: Prisma.LiabilityCreateInput): Promise<Liability> {
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return prisma.liability.create({
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data
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});
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}
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async update(id: string, data: Prisma.LiabilityUpdateInput): Promise<Liability> {
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return prisma.liability.update({
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where: {id},
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data
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});
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}
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async delete(id: string): Promise<void> {
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await prisma.liability.delete({
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where: {id}
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});
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}
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/**
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* Get total value of all liabilities for a user
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*/
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async getTotalValue(userId: string): Promise<number> {
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const result = await prisma.liability.aggregate({
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where: {userId},
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_sum: {
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balance: true
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}
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});
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return result._sum.balance || 0;
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}
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/**
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* Get liabilities grouped by type
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*/
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async getByType(userId: string): Promise<Record<string, Liability[]>> {
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const liabilities = await this.findAllByUser(userId);
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return liabilities.reduce(
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(acc, liability) => {
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const type = liability.type;
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if (!acc[type]) {
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acc[type] = [];
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}
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acc[type].push(liability);
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return acc;
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},
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{} as Record<string, Liability[]>
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);
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}
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}
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