componenets: category[controller + routes + validation]

Author: krishpranav

components/category/category_controller.js

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+import slugify from "slugify";
+import { categoryModel } from '../../models/category_model';
+import { catchAsyncError } from "../../utils/catch_async_error";
+import { AppError } from "../../utils/app_error";
+import { deleteOne } from "../../handler/factor";
+import { ApiFeatures } from '../../utils/api_feature';
+
+const addCategory = catchAsyncError(async (req, res, next) => {
+    console.log(req.file);
+    req.body.Image = req.file.filename;
+    req.body.slug = slugify(req.body.name);
+    const addcategory = new categoryModel(req.body);
+    await addcategory.save();
+
+    res.status(201).json({ message: "success", addcategory });
+});
+
+const getAllCategories = catchAsyncError(async (req, res, next) => {
+    let apiFeature = new ApiFeatures(categoryModel.find(), req.query)
+        .pagination()
+        .fields()
+        .filteration()
+        .search()
+        .sort();
+
+    const PAGE_NUMBER = apiFeature.queryString.page * 1 || 1;
+    let getAllCategories = await apiFeature.mongooseQuery;
+
+    res
+        .status(201)
+        .json({ page: PAGE_NUMBER, message: "success", getAllCategories });
+});
+
+const updateCategory = catchAsyncError(async (req, res, next) => {
+    const { id } = req.params;
+    const { name } = req.body;
+    req.body.slug = slugify(req.body.name);
+    const updateCategory = await categoryModel.findByIdAndUpdate(id, req.body, {
+        new: true,
+    });
+
+    updateCategory &&
+        res.status(201).json({ message: "success", updateCategory });
+
+    !updateCategory && next(new AppError("category was not found", 404));
+});
+
+const deleteCategory = deleteOne(categoryModel, "category");
+export { addCategory, getAllCategories, updateCategory, deleteCategory };

components/category/category_routes.js

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+import express from "express";
+import * as category from './category_controller.js';
+import subCategoryRouter from '../subcategory/subcategory_routes.js'
+import {
+    addCategoryValidation,
+    deleteCategoryValidation,
+    updateCategoryValidation,
+} from "./category_validation.js";
+import { validate } from "../../middleware/validation.js";
+import { uploadSingleFile } from '../../db/multer.js';
+import { allowedTo, protectedRoutes } from '../auth/auth_controller.js';
+
+const categoryRouter = express.Router();
+
+categoryRouter.use("/:categoryId/subcategories", subCategoryRouter);
+
+categoryRouter.route("/").post(protectedRoutes, allowedTo("admin"), uploadSingleFile("Image", "category"), validate(addCategoryValidation), category.addCategory).get(category.getAllCategories);
+
+categoryRouter.route("/:id").put(protectedRoutes, allowedTo("admin"), validate(updateCategoryValidation), category.updateCategory).delete(protectedRoutes, allowedTo("admin"), validate(deleteCategoryValidation), category.deleteCategory);
+
+export default categoryRouter;

components/category/category_validation.js

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+import Joi from "joi";
+
+const addCategoryValidation = Joi.object({
+    name: Joi.string().required().min(3).trim(),
+    slug: Joi.string().lowercase(),
+    Image: Joi.string(),
+});
+
+const updateCategoryValidation = Joi.object({
+    name: Joi.string().min(3).trim(),
+    id: Joi.string().hex().length(24).required(),
+});
+
+const deleteCategoryValidation = Joi.object({
+    id: Joi.string().hex().length(24).required(),
+});
+
+export {
+    addCategoryValidation,
+    updateCategoryValidation,
+    deleteCategoryValidation,
+};