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digitalledigitalle
committedJan 4, 2019
initia commit
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‎app.js

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const express = require('express');
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const bodyParser = require('body-parser');
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const graphqlHttp = require('express-graphql');
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//const { buildSchema } = require('graphql');
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const mongoose = require('mongoose');
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const graphQLSchema = require('./graphql/schema/index');
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const graphQLResolvers = require('./graphql/resolvers/index');
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const app = express();
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app.use(bodyParser.json());
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app.use('/graphql', graphqlHttp({
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schema: graphQLSchema,
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rootValue: graphQLResolvers,
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graphiql: true
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}));
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mongoose.connect(`mongodb+srv://${process.env.MONGO_USER}:${
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process.env.MONGO_PASSWORD
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}@cluster0-h8ga2.mongodb.net/${process.env.MONGO_DB}?retryWrites=true`
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).then(() => {
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app.listen(3000);
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})
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.catch(err => {
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console.log(err)
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});
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‎graphql/resolvers/index.js

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const bcrypt = require('bcryptjs');
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const Event = require('../../models/event');
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const User = require('../../models/user');
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const events = async eventIds => {
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try {
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const events = await Event.find({_id: {$in: eventIds}});
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events.map(event => {
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return {
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...event._doc,
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_id: event.id,
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date: new Date(event._doc.date).toISOString(),
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creator: user.bind(this, event.creator)
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};
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});
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return events.map();
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} catch(err) {
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throw err;
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}
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};
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const user = async userId => {
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try {
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const user = await User.findById(userId);
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return {
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...user._doc,
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_id: user.id,
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createdEvents: events.bind(this, user._doc.createdEvents)
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};
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} catch(err) {
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throw err;
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}
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};
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// const user = userId => {
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// return User.findById(userId)
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// .then(user => {
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// return {
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// ...user._doc,
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// _id: user.id,
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// createdEvents: events.bind(this, user._doc.createdEvents)
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// }
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// })
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// .catch(err => {
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// throw err;
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// })
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// };
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module.exports = {
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events: async () => {
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try {
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const events = await Event.find();
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return events.map(event => {
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//return { ...event._doc, _id: event._doc._id.toString() };
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return {
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...event._doc,
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_id: event.id,
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date: new Date(event._doc.date).toISOString(),
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creator: user.bind(this, event._doc.creator)
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}; // shortcut virtual getter mongoose
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});
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} catch(err) {
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throw err;
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}
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},
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createEvent: async args => {
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const event = new Event({
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title: args.eventInput.title,
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description: args.eventInput.description,
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price: +args.eventInput.price,
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date: new Date(args.eventInput.date),
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creator: '5c210f381e5293861c6c2c3f'
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});
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let createdEvent;
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try {
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const result = await event
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.save();
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createdEvent = {
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...result._doc,
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_id: result._doc._id.toString(),
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date: new Date(event._doc.date).toISOString(),
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creator: user.bind(this, result._doc.creator)
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};
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const creator = await User.findById('5c210f381e5293861c6c2c3f');
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if (!creator) {
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throw new Error('User not found')
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}
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creator.createdEvents.push(event);
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await creator.save();
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return createdEvent;
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} catch(err) {
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console.log(err);
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throw err;
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}
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},
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createUser: async args => {
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try {
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const existingUser = await User.findOne({email: args.userInput.email});
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if (existingUser) {
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throw new Error('User exists already');
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}
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const hashedPassword = await bcrypt.hash(args.userInput.password, 12);
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const user = new User({
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email: args.userInput.email,
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password: hashedPassword
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});
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const result = await user.save();
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return {...result._doc, password: null, _id: result.id}
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} catch(err) {
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throw err;
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}
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}
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};
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// module.exports = {
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// events: () => {
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// return Event.find()
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// .then(events => {
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// return events.map(event => {
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// //return { ...event._doc, _id: event._doc._id.toString() };
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// return { ...event._doc,
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// _id: event.id,
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// date: new Date(event._doc.date).toISOString(),
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// creator: user.bind(this, event._doc.creator)
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// }; // shortcut virtual getter mongoose
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// });
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// })
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// .catch(err => {
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// throw err;
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// })
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// },
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// createEvent: ( args ) => {
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// const event = new Event({
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// title: args.eventInput.title,
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// description: args.eventInput.description,
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// price: +args.eventInput.price,
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// date: new Date(args.eventInput.date),
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// creator: '5c18473daf935d1004745020'
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// });
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// let createdEvent;
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// return event
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// .save()
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// .then(result => {
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// createdEvent = {
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// ...result._doc,
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// _id: result._doc._id.toString(),
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// date: new Date(event._doc.date).toISOString(),
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// creator: user.bind(this, result._doc.creator )
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// };
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// return User.findById('5c18473daf935d1004745020')
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// })
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// .then(user => {
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// if (!user) {
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// throw new Error('User not found')
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// }
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// user.createdEvents.push(event);
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// return user.save();
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// })
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// .then(result => {
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// return createdEvent;
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// })
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// .catch(err => {
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// console.log(err);
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// throw err;
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// });
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// },
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// createUser: args => {
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// return User.findOne({email: args.userInput.email})
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// .then(user => {
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// if (user) {
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// throw new Error('User exists already')
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// }
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// return bcrypt.hash(args.userInput.password, 12)
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// })
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// .then(hashedPassword => {
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// const user = new User({
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// email: args.userInput.email,
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// password: hashedPassword
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// });
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// return user.save();
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// })
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// .then(result => {
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// return {...result._doc, password: null, _id: result.id}
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// })
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// .catch(err => {
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// throw err;
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// });
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//
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// }
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// }

‎graphql/schema/index.js

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const { buildSchema } = require('graphql');
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module.exports = buildSchema(`
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type Event {
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_id: ID!
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title: String!
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description: String!
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price: Float!
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date: String!
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creator: User!
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}
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type User {
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_id: ID!
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email: String!
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password: String
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createdEvents: [Event!]
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}
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input EventInput {
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title: String!
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description: String!
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price: Float!
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date: String!
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}
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input UserInput {
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email: String!
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password: String!
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}
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type RootQuery {
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events: [Event!]!
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}
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type RootMutation {
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createEvent( eventInput: EventInput ): Event
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createUser(userInput: UserInput): User
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}
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schema {
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query: RootQuery
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mutation: RootMutation
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}
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`);

‎models/event.js

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const mongoose = require('mongoose');
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const Schema = mongoose.Schema;
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const eventSchema = new Schema({
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title: {
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type: String,
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required: true
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},
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description: {
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type: String,
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required: true
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},
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price: {
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type: Number,
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required: true
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},
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date: {
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type: Date,
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required: true
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},
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creator: {
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type: Schema.Types.ObjectId,
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ref: 'User'
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}
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});
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module.exports = mongoose.model('Event', eventSchema);

‎models/user.js

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const mongoose = require('mongoose');
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const Schema = mongoose.Schema;
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const userSchema = new Schema({
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email: {
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type: String,
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required: true
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},
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password: {
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type: String,
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required: true
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},
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createdEvents: [
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{
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type: Schema.Types.ObjectId,
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ref: 'Event'
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}
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]
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});
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module.exports = mongoose.model('User', userSchema);

‎package.json

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{
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"name": "graphql-test",
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"version": "1.0.0",
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"description": "",
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"main": "index.js",
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1",
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"start": "nodemon --exec babel-node --presets env,stage-2 app.js"
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},
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"author": "",
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"license": "ISC",
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"dependencies": {
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"bcryptjs": "^2.4.3",
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"body-parser": "^1.18.3",
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"express": "^4.16.4",
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"express-graphql": "^0.7.1",
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"graphql": "^14.0.2",
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"mongoose": "^5.4.0"
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},
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"devDependencies": {
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"babel-cli": "^6.26.0",
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"babel-preset-env": "^1.7.0",
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"babel-preset-stage-2": "^6.24.1",
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"babel-register": "^6.26.0",
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"nodemon": "^1.18.7"
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}
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}

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