Initial commit 🚀

4-natours/after-section-10/utils/apiFeatures.js

@@ -0,0 +1,53 @@
+class APIFeatures {
+  constructor(query, queryString) {
+    this.query = query;
+    this.queryString = queryString;
+  }
+
+  filter() {
+    const queryObj = { ...this.queryString };
+    const excludedFields = ['page', 'sort', 'limit', 'fields'];
+    excludedFields.forEach(el => delete queryObj[el]);
+
+    // 1B) Advanced filtering
+    let queryStr = JSON.stringify(queryObj);
+    queryStr = queryStr.replace(/\b(gte|gt|lte|lt)\b/g, match => `$${match}`);
+
+    this.query = this.query.find(JSON.parse(queryStr));
+
+    return this;
+  }
+
+  sort() {
+    if (this.queryString.sort) {
+      const sortBy = this.queryString.sort.split(',').join(' ');
+      this.query = this.query.sort(sortBy);
+    } else {
+      this.query = this.query.sort('-createdAt');
+    }
+
+    return this;
+  }
+
+  limitFields() {
+    if (this.queryString.fields) {
+      const fields = this.queryString.fields.split(',').join(' ');
+      this.query = this.query.select(fields);
+    } else {
+      this.query = this.query.select('-__v');
+    }
+
+    return this;
+  }
+
+  paginate() {
+    const page = this.queryString.page * 1 || 1;
+    const limit = this.queryString.limit * 1 || 100;
+    const skip = (page - 1) * limit;
+
+    this.query = this.query.skip(skip).limit(limit);
+
+    return this;
+  }
+}
+module.exports = APIFeatures;

4-natours/after-section-10/utils/appError.js

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+class AppError extends Error {
+  constructor(message, statusCode) {
+    super(message);
+
+    this.statusCode = statusCode;
+    this.status = `${statusCode}`.startsWith('4') ? 'fail' : 'error';
+    this.isOperational = true;
+
+    Error.captureStackTrace(this, this.constructor);
+  }
+}
+
+module.exports = AppError;

4-natours/after-section-10/utils/catchAsync.js

@@ -0,0 +1,5 @@
+module.exports = fn => {
+  return (req, res, next) => {
+    fn(req, res, next).catch(next);
+  };
+};

4-natours/after-section-10/utils/email.js

@@ -0,0 +1,27 @@
+const nodemailer = require('nodemailer');
+
+const sendEmail = async options => {
+  // 1) Create a transporter
+  const transporter = nodemailer.createTransport({
+    host: process.env.EMAIL_HOST,
+    port: process.env.EMAIL_PORT,
+    auth: {
+      user: process.env.EMAIL_USERNAME,
+      pass: process.env.EMAIL_PASSWORD
+    }
+  });
+
+  // 2) Define the email options
+  const mailOptions = {
+    from: 'Jonas Schmedtmann <hello@jonas.io>',
+    to: options.email,
+    subject: options.subject,
+    text: options.message
+    // html:
+  };
+
+  // 3) Actually send the email
+  await transporter.sendMail(mailOptions);
+};
+
+module.exports = sendEmail;