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myApp.js
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myApp.js
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require('dotenv').config();
const mongoose = require('mongoose')
let Person = require('./person');
mongoose.connect(process.env.MONGO_URI, { useNewUrlParser: true, useUnifiedTopology: true });
const createAndSavePerson = (done) => {
var alex = new Person({
name: 'Alex',
age: 20,
favoriteFoods: ['pizza', 'fries']
});
alex.save(function(err, data) {
if (err) return console.error(err);
done(null, data)
});
};
const createManyPeople = (arrayOfPeople, done) => {
Person.create(arrayOfPeople, function(err, people) {
if (err) return console.error(err);
done(null, people)
})
};
const findPeopleByName = (personName, done) => {
Person.find({name: personName}, function(err, people) {
if (err) return console.error(err);
done(null, people);
})
};
const findOneByFood = (food, done) => {
Person.findOne({favoriteFoods: food}, function(err, person){
if (err) return console.error(err);
done(null, person);
})
};
const findPersonById = (personId, done) => {
Person.findById({_id: personId}, function(err, person){
if (err) return console.error(err);
done(null, person);
})
};
const findEditThenSave = (personId, done) => {
const foodToAdd = "hamburger";
Person.findById({_id: personId}, function(err, person){
if (err) return console.error(err);
person.favoriteFoods.push(foodToAdd);
person.save(function(err, updatedPerson){
if (err) return console.error(err);
done(null, updatedPerson);
})
})
};
const findAndUpdate = (personName, done) => {
const ageToSet = 20;
Person.findOneAndUpdate(
{name: personName},
{age: ageToSet},
{new: true},
function (err, updatedDoc) {
if(err) return console.log(err);
done(null, updatedDoc);
})
};
const removeById = (personId, done) => {
Person.findOneAndRemove(
{_id: personId},function (err, removedDoc) {
if(err) return console.log(err);
done(null, removedDoc);
}
)};
const removeManyPeople = (done) => {
const nameToRemove = "Mary";
Person.remove({name: nameToRemove}, function (err, response) {
if(err) return console.log(err);
done(null, response);
})
};
const queryChain = (done) => {
const foodToSearch = "burrito";
Person.find({favoriteFoods: foodToSearch})
.sort({name: 1})
.limit(2)
.select({age: 0})
.exec(function (err, data) {
if(err) return console.log(err);
done(null , data);
})
};
/** **Well Done !!**
/* You completed these challenges, let's go celebrate !
*/
//----- **DO NOT EDIT BELOW THIS LINE** ----------------------------------
exports.PersonModel = Person;
exports.createAndSavePerson = createAndSavePerson;
exports.findPeopleByName = findPeopleByName;
exports.findOneByFood = findOneByFood;
exports.findPersonById = findPersonById;
exports.findEditThenSave = findEditThenSave;
exports.findAndUpdate = findAndUpdate;
exports.createManyPeople = createManyPeople;
exports.removeById = removeById;
exports.removeManyPeople = removeManyPeople;
exports.queryChain = queryChain;