根据用户输入从api（RESTful）db（mongodb）中获取数据

Question

I have created an api using nodejs, express and mongodb. I am fetching data now without sending any query. But in my frontend I have an input where the user can search for a recipe. So for example if a user types "Today" i should get response related to today only. How to check that in db and retrieve data?

module.exports = function(app, db) {
  app.get("/dates/", (req, res) => {
    db
      .collection("dates")
      .find()
      .toArray((err, item) => {
        if (err) {
          res.send({ error: "An error has occured" });
        } else {
          res.send(item);
        }
      });
  });

Answer 1

While making the api call , pass the dish as query parameter

For example '/recipes/?dish="Pizza" '

and in the express use the following.

module.exports = function(app, db) {
  app.get("/recipes/", (req, res) => {
    let queryDish = req.query.dish; // assuming /recipes/?dish="Pizza"
    let query = { 'title' : { '$regex' : queryDish, '$options' : 'i' } }; 
    db
      .collection("recipes")
      .find(query)
      .toArray((err, item) => {
        if (err) {
          res.send({ error: "An error has occured" });
        } else {
          res.send(item);
        }
      });
  });