NestJS_Basic/catDataMocking/src/cats/cats.route.ts

import { Router } from "express";
import { CatType, Cat } from "./cats.model";

const router = Router();

// * C
router.post("/cats", (req, res) => {
  try {
    const data = req.body;
    Cat.push(data);
    res.status(200).send({
      success: true,
      data: { data },
    });
  } catch (error) {}
});

// * R
router.get("/cats", (req, res) => {
  try {
    const cats = Cat;
    res.status(200).send({
      success: true,
      data: { cats },
    });
  } catch (error) {
    res.status(400).send({
      success: false,
      error: error.message,
    });
  }
});

router.get("/cats/:id", (req, res) => {
  try {
    const params = req.params;
    const cats = Cat.find((cat) => {
      return cat.id === params.id;
    });
    if (!cats) throw new Error("no matched data");
    res.status(200).send({
      success: true,
      data: { cats },
    });
  } catch (error) {
    res.status(400).send({
      success: false,
      error: error.message,
    });
  }
});

// * U
router.put("/cats/:id", (req, res) => {
  try {
    const params = req.params;
    const body = req.body;
    let result;
    const index = Cat.findIndex((cat) => cat.id === params.id);
    if (index !== -1) {
      const tempId = params.id;
      const newCat = { ...body, id: tempId };
      Cat[index] = newCat;
      result = newCat;
    }
    res.status(200).send({
      success: true,
      data: { cat: result },
    });
  } catch (error) {
    res.status(400).send({
      success: false,
      error: error.message,
    });
  }
});

router.patch("/cats/:id", (req, res) => {
  try {
    const params = req.params;
    const body = req.body;
    let result;
    const index = Cat.findIndex((cat) => cat.id === params.id);
    if (index !== -1) {
      const tempId = params.id;
      const newCat = { ...Cat[index], ...body, id: tempId };
      Cat[index] = newCat;
      result = newCat;
    }
    res.status(200).send({
      success: true,
      data: { cat: result },
    });
  } catch (error) {
    res.status(400).send({
      success: false,
      error: error.message,
    });
  }
});

// * D
router.delete("/cats/:id", (req, res) => {
  try {
    const params = req.params;
    const body = req.body;
    let result;
    const index = Cat.findIndex((cat) => cat.id === params.id);
    if (index !== -1) {
      Cat.splice(index, 1);
    }
    res.status(200).send({
      success: true,
      data: { cat: result },
    });
  } catch (error) {
    res.status(400).send({
      success: false,
      error: error.message,
    });
  }
});

export default router;