i made a quiz where you can test yourself then get a score, clicking on the button send score will submit the score to database.
My Goal: i need to send a Quiz score to database. I already added in model the score and in controller.js too, but i have no clue how to send score value to my database.
I tested with postman and it works perfectly, i received my score in my database, all what is remaining is the frontend part.
Backend:
FormController.js :
const form = require('../models/FormModel')
module.exports = {
store: (req, res, next) => {
let candidate = new form({
fname: req.body.fname,
lname: req.body.lname,
score: req.body.score
})
if (req.file) {
candidate.cv = req.file.path
}
candidate.save()
.then(response => {
res.json({
success: true,
message: 'Candidate added successfully!',
data: candidate,
})
})
.catch(error => {
res.json({
success: false,
message: 'An error occured!',
error: error,
})
})
}
}
FormModel.js:
const mongoose = require('mongoose')
const Schema = mongoose.Schema
const formSchema = new Schema({
fname: {
type: String
},
lname: {
type: String
},
score: {
type: Number
}
}, { timestamps: true })
const form = mongoose.model('form', formSchema)
module.exports = form
Frontend:
Quiz.js:
const finishQuiz = () => {
if (Questions[currQuestion].answer === optionChosen) {
setscore(score + 1);
}
setGameState("endScreen")
//maybe i need to add onclick event here?
}
Related
I came to a problem, where I can create conversations with multiple people 2 and so on. However, I can't understand why it doesn't store data to seperate User models.
Here is a code that you only need to know:
router.post(
"/",
auth,
[
check("conversators", "There should be at least two conversators").isLength(
{ min: 2 }
),
],
async (req, res) => {
const { conversators } = req.body;
const errors = validationResult(req);
if (!errors.isEmpty()) {
return res.status(400).json({ errors: errors.array() });
}
try {
let conversation = new Conversation({
user: req.user.id,
conversators: conversators,
});
await conversators.map(async (conversator) => {
let user = await User.findById(conversator);
let newData = user;
newData.conversations.push(conversation.id);
console.log('Created data', newData);
let newUser = await User.findOneAndUpdate(
{ user: conversator },
{
$set: {
newData,
},
},
{ new: true }
);
await newUser.save();
console.log(newUser);
});
await conversation.save();
res.status(200).json(conversation);
} catch (error) {
console.error(error.message);
res.status(500).send("Server error.");
}
}
);
module.exports = router;
What I can assure is that this line: console.log('Created data', newData); prints the desired data. However, the next console: console.log(newUser); prints the same User model as the previous one.
const mongoose = require("mongoose");
const Schema = mongoose.Schema;
const UserSchema = new Schema({
name: {
type: String,
required: true,
},
surname: {
type: String,
required: true,
},
email: {
type: String,
required: true,
},
password: {
type: String,
required: true,
},
conversations: [
{
type: mongoose.Schema.Types.ObjectId,
ref: "conversation",
},
],
date: {
type: Date,
default: Date.now,
},
});
module.exports = User = mongoose.model("user", UserSchema);
The reason might be the difference in search methods used to get a record for newData and newUser. You have used User.findById for newData, which will obviously return different objects for different ids. But User.findOneAndUpdate uses filter criteria that may satisfy several results, but only first will be returned. So it boldly depends on what that user field is.
Here is the part that I changed and started to see the data on MongoDB:
await conversators.map(async (conversator) => {
let user = await User.findById(conversator);
let newData = user;
newData.conversations.push(conversation.id);
new Promise(async (resolve, reject) => {
user = await User.findOneAndUpdate(
{ id: conversator },
{
$set: {
newData,
},
},
{ new: true }
);
return resolve;
})
return await user.save();
});
Posted on behalf of the question asker
how is everything ? I really need your help!
I'm building an API to register authenticated users, with storage in the mongo atlas database (cloud). I'm currently experiencing the following error: TypeError subscription error: User.hashPassword is not a function. I've done several researches, in several questions here on stackoverflow and on other sites, after testing all the solutions the error persists.
my user.model.js file looks like this:
const mongoose = require("mongoose");
const Schema = mongoose.Schema;
const bcrypt = require('bcrypt');
const userSchema = new Schema(
{
userName: { type: String, unique: true, required: true },
email: { type: String, required: true, unique: true },
emailToken: { type: String, default: null },
emailTokenExpires: { type: Date, default: null },
active: { type: Boolean, default: false},
password: { type: String, required: true},
resetPasswordToken: { type: String, default: null },
resetPasswordExpires: { type: Date, default: null },
emailToken: {type: String, default: null},
emailTokenExpires: {type: Date, default: null},
},
{
timestamps: {
createdAt: "createdAt",
updatedAt: "updatedAt",
},
}
);
const User = mongoose.model("user", userSchema);
module.exports.hashPassword = async (password) => {
try {
const salt = await bcrypt.genSalt(10); // 10 rounds
return await bcrypt.hash(password, salt);
} catch (error) {
throw new Error("Hashing failed", error);
}
};
module.exports = User;
and my user.controller.js file looks like this:
const Joi = require("joi");
require("dotenv").config();
const { v4: uuid } = require("uuid");
const { sendEmail } = require("./helpers/mailer");
const User = require("./user.model");
//Validate user schema
const userSchema = Joi.object().keys({
email: Joi.string().email({ minDomainSegments: 2 }),
password: Joi.string().required().min(4),
confirmPassword: Joi.string().valid(Joi.ref("password")).required(),
});
exports.Signup = async (req, res) => {
try {
const result = userSchema.validate(req.body);
if (result.error) {
console.log(result.error.message);
return res.json({
error: true,
status: 400,
message: result.error.message,
});
}
//Check if the email has been already registered.
var user = await User.findOne({
email: result.value.email,
});
if (user) {
return res.json({
error: true,
message: "Email is already in use",
});
}
const hashPassword = await User.hashPassword(result.value.password);
const id = uuid(); //Generate unique id for the user.
result.value.userId = id;
//remove the confirmPassword field from the result as we dont need to save this in the db.
delete result.value.confirmPassword;
result.value.password = hashPassword;
let code = Math.floor(100000 + Math.random() * 900000); //Generate random 6 digit code.
let expiry = Date.now() + 60 * 1000 * 15; //Set expiry 15 mins ahead from now
const sendCode = await sendEmail(result.value.email, code);
if (sendCode.error) {
return res.status(500).json({
error: true,
message: "Couldn't send verification email.",
});
}
result.value.emailToken = code;
result.value.emailTokenExpires = new Date(expiry);
const newUser = new User(result.value);
await newUser.save();
return res.status(200).json({
success: true,
message: "Registration Success",
});
} catch (error) {
console.error("signup-error", error);
return res.status(500).json({
error: true,
message: "Cannot Register",
});
}
};
Error displayed in terminal:
Danilo#DANILO-PC D:\Meus Documentos\Área de Trabalho\api-auth-pokestore
$ node app.js
Server started listening on PORT : 5000
Database connection Sucess.
signup-error TypeError: User.hashPassword is not a function
at exports.Signup (D:\Meus Documentos\Área de Trabalho\api-auth-pokestore\src\users\user.controller.js:39:37)
at processTicksAndRejections (internal/process/task_queues.js:94:5)
image terminal
Look at this part of your code:
module.exports.hashPassword = async (password) => { ... };
module.exports = User;
You're setting hashPassword in your exports, then completely replacing your exports with User. You probably wanted to do something like this instead:
User.hashPassword = async (password) => { ... };
module.exports = User;
or move your module.exports.hashPassword = ... so it's after the module.exports = ....
I am currently developing a Pokemon Team Builder app with a React frontend and an Express backend with MongoDB for the database.
As far as I can tell my TeamSchema has no such atomic operators? Here is my TeamSchema:
const mongoose = require('mongoose');
const TeamSchema = new mongoose.Schema({
name: {
type: 'String',
required: true,
unique: true,
},
team: [
{
name: { type: String },
types: [{ type: String }],
sprite: { type: String },
},
],
username: {
type: String,
required: true,
},
userId: {
type: String,
required: true,
},
});
const TeamModel = mongoose.model('Team', TeamSchema);
module.exports = TeamModel;
And the error gets thrown in this method when I attempt to call the findOneAndReplace method by finding a team that has a name and userId match.
const replaceTeam = async (req, res) => {
const { teamName: name, filteredTeam: team } = req.body;
const { username, _id: userId } = req.user;
const newTeam = new Team({ name, team, username, userId });
try {
const replacedTeam = await Team.findOneAndReplace({ name, userId }, newTeam);
console.log(replacedTeam);
res.status(200).json({ message: 'Team was successfully overwritten!' });
} catch (err) {
console.log(err);
res.status(500).json({ message: 'An error occurred while updating the team.' });
}
};
This has been a real headscratcher here and I am not sure what is going wrong here. I have only started using mongoose a couple of weeks ago, so I wonder if it's something fundamental I am misunderstanding here.
The Mongoose function findOneAndReplace expects a document object passed in. See the below code.
details.findOneAndReplace(
{ location: "New York" },
{ name: "Sunny", age: 292, location: "Detroit" },
function(err, result) {
if (err) {
res.send(err);
} else {
res.send(result);
}
}
);
Change
const newTeam = new Team({ name, team, username, userId })
to
const newTeam = {name, team, username, userId}
Also as in the other poster's code, add the new: true option to the call as follows by changing
const replacedTeam = await Team.findOneAndReplace({ name, userId }, newTeam);
to
const replacedTeam = await Team.findOneAndReplace({ name, userId }, newTeam, { new: true });
otherwise the original document will be returned into replacedTeam
You can just use findOneAndUpdate and update all the fields with new data. You can do it like this:
const replaceTeam = async (req, res) => {
const { teamName: name, filteredTeam: team } = req.body;
const { username, _id: userId } = req.user;
try {
const replacedTeam = await Team.findOneAndUpdate({ name, userId }, { name, team, username, userId }, {new: true});
console.log(replacedTeam);
res.status(200).json({ message: 'Team was successfully overwritten!' });
} catch (err) {
console.log(err);
res.status(500).json({ message: 'An error occurred while updating the team.' });
}
};
I am using MERN stack and Redux, when i try to fetch data from the MongoDb i keep getting the error 'Uncaught (in promise) SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data' I have tried everything and can't figure out what is causing it. Can anyone see what i am missing? I am really new to this so please go easy on me. :) I have tried using data from an external JSON placeholder URL and it all pulls through as expected but when i switch to my own data it doesn't work.
My action is:
export const fetchSubjects = () => (dispatch) => {
console.log("fetching called");
fetch("/api/subjects/Subject")
.then((res) => res.json())
.then((subjects) =>
dispatch({
type: FETCH_SUBJECTS,
subjects: subjects,
})
);
};
My model is:
const mongoose = require("mongoose");
const Schema = mongoose.Schema;
const SubjectSchema = new Schema({
title: {
type: String,
required: true,
unique: true,
},
summary: {
type: String,
required: true,
},
description: {
type: String,
required: true,
},
rating: {
type: Number,
default: 0,
},
author: {
type: mongoose.ObjectId,
default: this.users,
},
comments: [mongoose.ObjectId],
date: {
type: Date,
default: Date.now,
},
});
module.exports = mongoose.model("subjects", SubjectSchema);
My api is:
const express = require("express");
const subjectRouter = express.Router();
const validateSubjectInput = require("../../validation/subjectVal");
const Subject = require("../../models/Subject");
subjectRouter.post("/subject", (req, res) => {
// Form validation
const { errors, isValid } = validateSubjectInput(req.body);
if (!isValid) {
console.log("Hitting");
return res.status(400).json(errors);
}
Subject.findOne({ title: req.body.title }).then((subject) => {
if (subject) {
return res.status(400).json({ title: "Title already exists" });
} else {
const newSubject = new Subject({
title: req.body.title,
summary: req.body.summary,
description: req.body.description,
});
newSubject
.save()
.then((subject) => res.json(subject))
.catch((err) => console.log(err));
}
});
});
module.exports = subjectRouter;
I am trying to add a post to a user collection after the user was created with empty posts. I have tried with populate with no success .. any help is much appreciated.
// Post Model
const mongoose = require('mongoose');
const { Schema } = mongoose;
const UserModel = require('./user-model');
let PostSchema = new Schema({
author: {
ref: 'users',
type: Schema.Types.ObjectId
},
content: String,
description: String,
date: {
default: new Date(),
type: Date
},
title: String,
updatedAt: {
default: new Date(),
type: Date
}
});
let PostModel = mongoose.model('posts', PostSchema);
module.exports = PostModel;
// User Model
const mongoose = require('mongoose');
const { Schema } = mongoose;
const PostModel = require('./post-model');
let UserSchema = new Schema({
name: {
type: String
},
email: {
lowercase: true,
type: String,
trim: true,
unique: true
},
password: {
type: String,
},
postList: [{
ref: 'posts',
type: Schema.Types.ObjectId
}],
});
const UserModel = mongoose.model('users', UserSchema);
module.exports = UserModel;
// save post controller
exports.savePost = (request, response, next) => {
let { author, description, title } = request.body;
let post = new PostModel({ author, description, title }).save();
UserModel.findById(author)
.then((user) => {
user.postList.push(post);
// Still Fails
// How can i assign the post to the user ?
});
}
Is there any way of doing this other then push or populate ?
To solve this problem I prefer to use $push of mongo
UserModel.findOneAndUpdate({
_id: author.id,
{
$push: {
postList: post
}
}
});
You need to follow this process to save successfully
Save post if success then
Update user to push postId in postlist
can try this one
exports.savePost = (request, response, next) => {
let post = new PostModel(request.body)
post.save(function(err, data) {
if(err) {
//return error
}
// check by console your author is present or not
// let author in your req.body
let author = req.body.author
UserModel.findOneAndUpdate({_id: author},{$push: {postList: post._id}},{new:true} function(error, user) {
if(error) {
// return error
}
console.log(user)
// return success
})
});
}
exports.savePost = (request, response, next) => {
let { user, description, title } = request.body;
let post = new PostModel({ user, description, title });
post.save()
.catch((error) => {
if (error)
throw new Error(error);
})
.then((post) => {
UserModel.findOneAndUpdate({ _id: user }, {$push: { postList: post._id } })
.populate('postList')
.catch((error) => {
if (error)
throw new Error(error);
})
.then((user) => {
user.postList.forEach((item, postion) => {
console.log(`${item} -at ${postion} \n`);
});
});
});
}
This is what i did and it worked after all. I don't know if this is the correct solution but this is working.