chore: get discount data with all relation

src/modules/discounts/providers/discounts.service.ts

@@ -6,7 +6,9 @@ import { In } from "typeorm";
 import { CommonMessage, DiscountMessage, SubscriptionMessage, UserMessage } from "../../../common/enums/message.enum";
 import { SubscriptionsPlanRepository } from "../../subscriptions/repositories/subscriptions.repository";
 import { UserRepository } from "../../users/repositories/users.repository";
+import { PaginationUtils } from "../../utils/providers/pagination.utils";
 import { CreateDiscountDto } from "../DTO/create-discount.dto";
+import { SearchDiscountsDto } from "../DTO/discount-search-query.dto";
 import { DiscountRepository } from "../repositories/discount.repository";
 
 @Injectable()
@@ -74,26 +76,64 @@ export class DiscountService {
 
   /******************************************** */
 
-  async findDiscountsByUser(userId: string) {
+  async findDiscountsByUser(queryDto: SearchDiscountsDto, userId: string) {
     const user = await this.userRepository.findOneBy({
       id: userId,
     });
     if (!user) throw new BadRequestException(UserMessage.USER_NOT_FOUND);
 
-    const discounts = await this.discountRepository.find({
-      where: {
-        users: { id: user.id },
-      },
-    });
+    const { limit, skip } = PaginationUtils(queryDto);
 
-    return { discounts };
+    const queryBuilder = this.discountRepository.createQueryBuilder("discount");
+
+    queryBuilder
+      .leftJoin("discount.users", "user")
+      .where("user.id = :userId", { userId: user.id })
+      .leftJoinAndSelect("discount.subscriptionPlans", "subscriptionPlans")
+      .leftJoin("subscriptionPlans.service", "service")
+      .addSelect(["service.id", "service.name", "service.title", "service.link", "service.icon", "service.description"]);
+
+    if (queryDto.q) {
+      queryBuilder.andWhere("discount.code ILIKE :q", { q: `%${queryDto.q}%` });
+    }
+
+    queryBuilder.orderBy("discount.createdAt", "DESC").skip(skip).take(limit);
+
+    const [discounts, count] = await queryBuilder.getManyAndCount();
+
+    return {
+      discounts,
+      count,
+      paginate: true,
+    };
   }
 
   /******************************************** */
 
-  async findAll() {
-    const discounts = await this.discountRepository.find({ relations: ["subscriptionPlans"] });
-    return { discounts };
+  async findAll(queryDto: SearchDiscountsDto) {
+    const { limit, skip } = PaginationUtils(queryDto);
+
+    const queryBuilder = this.discountRepository.createQueryBuilder("discount");
+
+    queryBuilder
+      .leftJoinAndSelect("discount.subscriptionPlans", "subscriptionPlans")
+      .leftJoin("subscriptionPlans.service", "service")
+      .addSelect(["service.id", "service.name", "service.title", "service.link", "service.icon", "service.description"])
+      .leftJoinAndSelect("discount.users", "users");
+
+    if (queryDto.q) {
+      queryBuilder.andWhere("discount.code ILIKE :q", { q: `%${queryDto.q}%` });
+    }
+
+    queryBuilder.orderBy("discount.createdAt", "DESC").skip(skip).take(limit);
+
+    const [discounts, count] = await queryBuilder.getManyAndCount();
+
+    return {
+      discounts,
+      count,
+      paginate: true,
+    };
   }
 
   /******************************************** */