Implement Update mentor categories endpoint (Admin) #42 (#70)

Co-authored-by: Krishnadeva <[email protected]>

src/controllers/admin/category.controller.ts

@@ -1,7 +1,10 @@
 import type { Request, Response } from 'express'
 import type Profile from '../../entities/profile.entity'
 import { ProfileTypes } from '../../enums'
-import { createCategory } from '../../services/admin/category.service'
+import {
+  changeCategory,
+  createCategory
+} from '../../services/admin/category.service'
 
 export const addCategory = async (
   req: Request,
@@ -25,3 +28,28 @@ export const addCategory = async (
     res.status(500).json({ error: err })
   }
 }
+
+export const updateCategory = async (
+  req: Request,
+  res: Response
+): Promise<void> => {
+  try {
+    const user = req.user as Profile
+    const { categoryName } = req.body
+    const { categoryId } = req.params
+
+    if (user.type !== ProfileTypes.ADMIN) {
+      res.status(403).json({ message: 'Only Admins are allowed' })
+    } else {
+      const { category, statusCode, message } = await changeCategory(
+        categoryId,
+        categoryName
+      )
+
+      res.status(statusCode).json({ category, message })
+    }
+  } catch (err) {
+    console.error('Error executing query', err)
+    res.status(500).json({ error: err })
+  }
+}

src/routes/admin/category/category.route.test.ts

@@ -6,12 +6,14 @@ import { ProfileTypes } from '../../../enums'
 import { dataSource } from '../../../configs/dbConfig'
 import bcrypt from 'bcrypt'
 import { mockUser, mockAdmin } from '../../../../mocks'
+import Category from '../../../entities/category.entity'
 
 const port = Math.floor(Math.random() * (9999 - 3000 + 1)) + 3000
 
 let server: Express
 let agent: supertest.SuperAgentTest
 let adminAgent: supertest.SuperAgentTest
+let savedCategory: Category
 
 describe('Admin category routes', () => {
   beforeAll(async () => {
@@ -42,6 +44,10 @@ describe('Admin category routes', () => {
     await profileRepository.save(newProfile)
 
     await adminAgent.post('/api/auth/login').send(mockAdmin).expect(200)
+
+    const categoryRepository = dataSource.getRepository(Category)
+    const newCategory = new Category('Random Category', [])
+    savedCategory = await categoryRepository.save(newCategory)
   }, 5000)
 
   it('should add a category', async () => {
@@ -57,4 +63,27 @@ describe('Admin category routes', () => {
       .send({ categoryName: 'Computer Science' })
       .expect(403)
   })
+
+  it('should update a category', async () => {
+    const response = await adminAgent
+      .put(`/api/admin/categories/${savedCategory.uuid}`)
+      .send({ categoryName: 'Science' })
+      .expect(201)
+
+    expect(response.body).toHaveProperty('category')
+  })
+
+  it('should return 404 when an invalid category id was provided', async () => {
+    await adminAgent
+      .put('/api/admin/categories/0058ab92-1c82-4af1-9f84-c60a3e922244')
+      .send({ categoryName: 'Computer Science' })
+      .expect(404)
+  })
+
+  it('should only allow admins to update a category', async () => {
+    await agent
+      .put(`/api/admin/categories/${savedCategory.uuid}`)
+      .send({ categoryName: 'Science' })
+      .expect(403)
+  })
 })

src/routes/admin/category/category.route.ts

@@ -1,9 +1,13 @@
 import express from 'express'
 import { requireAuth } from '../../../controllers/auth.controller'
-import { addCategory } from '../../../controllers/admin/category.controller'
+import {
+  addCategory,
+  updateCategory
+} from '../../../controllers/admin/category.controller'
 
 const categoryRouter = express.Router()
 
 categoryRouter.post('/', requireAuth, addCategory)
+categoryRouter.put('/:categoryId', requireAuth, updateCategory)
 
 export default categoryRouter

src/services/admin/category.service.ts

@@ -25,3 +25,41 @@ export const createCategory = async (
     throw new Error('Error creating category')
   }
 }
+
+export const changeCategory = async (
+  categoryId: string,
+  categoryName: string
+): Promise<{
+  statusCode: number
+  category?: Category | null
+  message: string
+}> => {
+  try {
+    const categoryRepository = dataSource.getRepository(Category)
+
+    const category = await categoryRepository.findOne({
+      where: { uuid: categoryId }
+    })
+
+    if (!category) {
+      return {
+        statusCode: 404,
+        message: 'Category not found'
+      }
+    }
+
+    await categoryRepository.update(
+      { uuid: categoryId },
+      { category: categoryName }
+    )
+
+    return {
+      statusCode: 201,
+      category,
+      message: 'Category updated successfully'
+    }
+  } catch (err) {
+    console.error('Error updating category', err)
+    throw new Error('Error updating category')
+  }
+}