mahyargdz
73 lines
2.1 KiB
TypeScript
73 lines
2.1 KiB
TypeScript
import { Injectable } from "@nestjs/common";
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import { InjectRepository } from "@nestjs/typeorm";
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import { Repository } from "typeorm";
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import { Discount } from "../entities/discount.entity";
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@Injectable()
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export class DiscountRepository extends Repository<Discount> {
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constructor(@InjectRepository(Discount) repository: Repository<Discount>) {
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super(repository.target, repository.manager, repository.queryRunner);
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}
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async findById(id: string): Promise<Discount | null> {
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return this.findOne({
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where: { id },
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relations: ["productRelations"],
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});
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}
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async findByCode(code: string): Promise<Discount | null> {
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return this.findOne({
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where: { code },
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relations: ["productRelations"],
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});
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}
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async findActiveByCode(code: string): Promise<Discount | null> {
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return this.findOne({
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where: {
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code,
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isActive: true,
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},
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relations: ["productRelations"],
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});
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}
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async findAll(options?: any): Promise<[Discount[], number]> {
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const query = this.createQueryBuilder("discount").leftJoinAndSelect("discount.productRelations", "productRelations");
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if (options?.status) {
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query.andWhere("discount.status = :status", { status: options.status });
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}
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if (options?.isActive !== undefined) {
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query.andWhere("discount.isActive = :isActive", { isActive: options.isActive });
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}
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if (options?.search) {
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query.andWhere("(discount.title ILIKE :search OR discount.code ILIKE :search)", {
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search: `%${options.search}%`,
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});
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}
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if (options?.productId) {
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query.andWhere("EXISTS (SELECT 1 FROM discount_product dp WHERE dp.discountId = discount.id AND dp.productId = :productId)", {
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productId: options.productId,
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});
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}
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if (options?.sort) {
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const [field, order] = options.sort.split(",");
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query.orderBy(`discount.${field}`, order.toUpperCase());
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} else {
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query.orderBy("discount.createdAt", "DESC");
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}
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return query
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.skip(options?.skip || 0)
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.take(options?.take || 10)
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.getManyAndCount();
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}
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}
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