fix: bug in the sliders and blog module

src/modules/sliders/providers/slider.service.ts

@@ -0,0 +1,48 @@
+import { Injectable, NotFoundException } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { Repository } from "typeorm";
+
+import { SliderMessage } from "../../../common/enums/message.enum";
+import { CreateSliderDto } from "../DTO/create-slider.dto";
+import { UpdateSliderDto } from "../DTO/update-slider.dto";
+import { Slider } from "../entities/slider.entity";
+
+@Injectable()
+export class SliderService {
+  constructor(
+    @InjectRepository(Slider)
+    private readonly sliderRepository: Repository<Slider>,
+  ) {}
+
+  async create(createSliderDto: CreateSliderDto): Promise<Slider> {
+    const slider = this.sliderRepository.create(createSliderDto);
+    return await this.sliderRepository.save(slider);
+  }
+
+  async findAll(): Promise<Slider[]> {
+    return await this.sliderRepository.find({
+      order: {
+        order: "ASC",
+      },
+    });
+  }
+
+  async getSliderById(id: string): Promise<Slider> {
+    const slider = await this.sliderRepository.findOne({ where: { id } });
+    if (!slider) {
+      throw new NotFoundException(SliderMessage.SLIDER_NOT_FOUND);
+    }
+    return slider;
+  }
+
+  async update(id: string, updateSliderDto: UpdateSliderDto): Promise<Slider> {
+    const slider = await this.getSliderById(id);
+    Object.assign(slider, updateSliderDto);
+    return await this.sliderRepository.save(slider);
+  }
+
+  async remove(id: string): Promise<void> {
+    const slider = await this.getSliderById(id);
+    await this.sliderRepository.remove(slider);
+  }
+}