What is the best way to insert a value into a MongoDB document using a for loop?

Question

What is the best way to insert a value into a MongoDB document using a for loop?

I am looking to save each day of the year in the Mongo Database but I'm unsure about the best approach. I have tried using the $push method and .update method, however, neither seem to be suitable for this scenario.

This is my controller:

exports.reflux = (req, res) => {
    const newDay = new Calendar();

    for(let i=3; i<367; i++) {
        newDay({$push: {day: new Date(new Date().getFullYear(), 0, i), offWork: true, description: ' '}});

    }
    // for(let i=3; i<367; i++){
    //
    //     {$push: {newDay.day = new Date(new Date().getFullYear(), 0, i);}}
    //     newDay.day =
    //     newDay.offWork = true;
    //     newDay.description = '';
    // }

    newDay.save();

};

The desired outcome is a collection of documents representing each day of the year.

javascript mongodb mongoose

Answer 1

Answer №1

If you're looking to add multiple entries in one go, consider using the insertMany method.

Start by creating an array of objects representing each day and then use insertMany to add them all at once.

let days = [];
for(let i=3; i<367; i++) {
    days.push({day: new Date(new Date().getFullYear(), 0, i), offWork: true, description: ' '});
}

newDay.insertMany(days, function(err) {

});

Answer 2

If you're looking to add multiple entries in one go, consider using the insertMany method.

Start by creating an array of objects representing each day and then use insertMany to add them all at once.

let days = [];
for(let i=3; i<367; i++) {
    days.push({day: new Date(new Date().getFullYear(), 0, i), offWork: true, description: ' '});
}

newDay.insertMany(days, function(err) {

});

Answer 3

Answer №2

Alright, completed.

exports.redux = (req, res) => {
    for(let i=3; i<367; i++) {
        const newEvent = new Calendar();
        newEvent.date = new Date(new Date().getFullYear(), 0, i);
        newEvent.offWork = true;
        newEvent.notes = '';

        newEvent.save(err => {
            if(err) {
                console.log('error');
            }
        });

    }

Answer 4

Alright, completed.

exports.redux = (req, res) => {
    for(let i=3; i<367; i++) {
        const newEvent = new Calendar();
        newEvent.date = new Date(new Date().getFullYear(), 0, i);
        newEvent.offWork = true;
        newEvent.notes = '';

        newEvent.save(err => {
            if(err) {
                console.log('error');
            }
        });

    }

What is the best way to insert a value into a MongoDB document using a for loop?

Answer №1

Answer №2

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