feat: add choices entity admin crud

src/modules/questions/providers/questions-query.provider.ts

@@ -0,0 +1,81 @@
+import { Injectable } from '@nestjs/common';
+import { filterQuestions } from '../helpers/filter-questions.helper';
+import Utils from '@/common/utils';
+import { FindQuestionsDTO } from '../dtos/find-questions.dto';
+import { Test } from '@nestjs/testing';
+import { AppTimeoutException } from '@/common/exceptions/app-timeout.exception';
+import { PaginatedResponse } from '@/common/responses';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Question } from '../entities/question.entity';
+import { Repository } from 'typeorm';
+import { TestsService } from '@/modules/tests/providers/tests.service';
+
+@Injectable()
+export class QuestionsQueryProvider {
+  constructor(
+    /**
+     * Inject Questions Repository
+     */
+    @InjectRepository(Question)
+    private readonly questionsRepository: Repository<Question>,
+
+    /**
+     * Inject Tests Service
+     */
+    private readonly testsService: TestsService,
+  ) {}
+
+  public async findAllForAdmin(query: FindQuestionsDTO) {
+    const filters = filterQuestions(query);
+    const { limit, page, skip, take } =
+      Utils.PaginationUtils.getPaginationOptions(query);
+
+    let selectedTest: Test | null = null;
+
+    if (query.test) {
+      try {
+        selectedTest = await this.testsService.adminGetOne(query.test);
+      } catch (err) {
+        throw new AppTimeoutException(err);
+      }
+    }
+
+    try {
+      const [questions, total] = await this.questionsRepository.findAndCount({
+        where: {
+          ...filters,
+          ...(selectedTest && {
+            test: selectedTest,
+          }),
+        },
+        loadRelationIds: true,
+        skip,
+        take,
+        order: query.sortBy
+          ? {
+              [query.sortBy]: query.order ?? 'ASC',
+            }
+          : { createdAt: 'DESC' },
+      });
+
+      return new PaginatedResponse(questions, {
+        page,
+        limit,
+        total,
+      });
+    } catch (err) {
+      throw new AppTimeoutException(err);
+    }
+  }
+
+  public async findOneForAdmin(id: number) {
+    try {
+      return await this.questionsRepository.findOne({
+        where: { id },
+        relations: { test: true },
+      });
+    } catch (err) {
+      throw new AppTimeoutException(err);
+    }
+  }
+}