Store Json object in mongoDb with fetch request

Question

I have a User model and trying to add education field to mongoDB as json object as follows,

User model

education: {
    "school": String,
    "years":Number
  },

Client

//add Education section
  const updateEducation = async (e) => {
    e.preventDefault();
    await fetch(`http://localhost:5000/api/user/updateEducation`, {
      method: "PUT",
      headers: { "Content-Type": "application/JSON", token: accessToken },
      body: JSON.stringify({ userid: userid, educationSchool: educationSchool,
        educationYearText: EducationYear}),
    })
      .then((res) => res.json())
      .then((data) => {
        console.log("User education is:", data.education +""+data.educationYear);
      });
  };

Server

const updateEducation = async (req, res) => {
  try {
    const user = await User.findOneAndUpdate(
      { _id: req.body.userid },
      {
        $set: {
          'education.school': req.body.educationSchool,
          'education.years': req.body.educationYearText,
        },
      }
    );

    if (!user) {
      res.status(404).json("user not exist");
    }

    res
      .status(200)
      .json({
        education: user.education.School,
        educationYear: user.education.years,
      });
  } catch (error) {
    res.status(500).send({ error: error.message });
  }
};

When im hitting this endpoint in postman http://localhost:5000/api/user/updateEducation

{
"userid":"63bbe4df75dca5aac7576e47",
"educationSchool":"Test college",
"educationYearText":"2018"
}

Im getting { "error": "Plan executor error during findAndModify :: caused by :: Cannot create field 'school' in element {education: []}" }

Whats wrong?

lpizzinidev · Accepted Answer · 2023-02-10 11:42:55Z

1

You should $push into an array:

const user = await User.findOneAndUpdate(
    { _id: req.body.userid },
    {
      $push: {
        education: {
            school: req.body.educationSchool,
            years: req.body.educationYearText,
        }
      },
    },
    { new: true }
  );

answered Feb 10, 2023 at 11:42

lpizzinidev

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