[ADD] init

app/config/db.config.js

+module.exports = {
+  HOST: "192.168.1.10",
+  PORT: 3306,
+  USER: "jameschiu",
+  PASSWORD: "Essen99",
+  DB: "testDB",
+  dialect: "mysql",
+  pool: {
+    max: 5,
+    min: 0,
+    acquire: 30000,
+    idle: 10000
+  }
+};

app/controllers/user.controller.js

+const db = require("../models");
+const UserModel = db.users;
+const Op = db.Sequelize.Op;
+
+// Create and Save a new User
+exports.create = (req, res) => {
+  // Validate request
+  if (!req.body.email) {
+    res.status(400).send({
+      message: "Content can not be empty!"
+    });
+    return;
+  }
+
+  // Create a User
+  const user = {
+    name: req.body.name,
+    ename: req.body.ename,
+    email: req.body.email
+  };
+
+  // Save Tutorial in the database
+  UserModel.create(user)
+    .then(data => {
+      res.send(data);
+    })
+    .catch(err => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while creating the User."
+      });
+    });
+};
+
+// Retrieve all User from the database.
+exports.findAll = (req, res) => {
+  const email = req.query.email;
+  var condition = email ? { email: { [Op.like]: `%${email}%` } } : null;
+
+  UserModel.findAll({ where: condition })
+    .then(data => {
+      res.send(data);
+    })
+    .catch(err => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while retrieving User."
+      });
+    });
+};
+
+// Find a single User with an id
+exports.findOne = (req, res) => {
+  const id = req.params.id;
+
+  UserModel.findByPk(id)
+    .then(data => {
+      if (data) {
+        res.send(data);
+      } else {
+        res.status(404).send({
+          message: `Cannot find User with id=${id}.`
+        });
+      }
+    })
+    .catch(err => {
+      res.status(500).send({
+        message: "Error retrieving User with id=" + id
+      });
+    });
+};
+
+// Update a User by the id in the request
+exports.update = (req, res) => {
+  const id = req.params.id;
+
+  UserModel.update(req.body, {
+    where: { id: id }
+  })
+    .then(num => {
+      if (num == 1) {
+        res.send({
+          message: "User was updated successfully."
+        });
+      } else {
+        res.send({
+          message: `Cannot update User with id=${id}. Maybe User was not found or req.body is empty!`
+        });
+      }
+    })
+    .catch(err => {
+      res.status(500).send({
+        message: "Error updating User with id=" + id
+      });
+    });
+};
+
+// Delete a User with the specified id in the request
+exports.delete = (req, res) => {
+  const id = req.params.id;
+
+  UserModel.destroy({
+    where: { id: id }
+  })
+    .then(num => {
+      if (num == 1) {
+        res.send({
+          message: "User was deleted successfully!"
+        });
+      } else {
+        res.send({
+          message: `Cannot delete User with id=${id}. Maybe User was not found!`
+        });
+      }
+    })
+    .catch(err => {
+      res.status(500).send({
+        message: "Could not delete User with id=" + id
+      });
+    });
+};
+
+// Delete all User from the database.
+exports.deleteAll = (req, res) => {
+  UserModel.destroy({
+    where: {},
+    truncate: false
+  })
+    .then(nums => {
+      res.send({ message: `${nums} User were deleted successfully!` });
+    })
+    .catch(err => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while removing all users."
+      });
+    });
+};
+
+

app/models/index.js

+const dbConfig = require("../config/db.config.js");
+
+const Sequelize = require("sequelize");
+const sequelize = new Sequelize(dbConfig.DB, dbConfig.USER, dbConfig.PASSWORD, {
+  logging: false,
+  host: dbConfig.HOST,
+  dialect: dbConfig.dialect,
+  port: dbConfig.PORT,
+  define: {
+    charset: 'utf8',
+    collate: 'utf8_general_ci', 
+    timestamps:true,
+  },
+  timezone: '+08:00', // -->Add this line. for writing to database
+});
+
+const db = {};
+
+db.Sequelize = Sequelize;
+db.sequelize = sequelize;
+
+db.users = require("./user.model.js")(sequelize, Sequelize);
+
+module.exports = db;

app/models/user.model.js

+module.exports = (sequelize, DataTypes) => {
+  const User = sequelize.define("user", {
+    id: {
+			type: DataTypes.INTEGER,
+			autoIncrement: true,
+			allowNull: false,
+			primaryKey: true
+		},
+		name: DataTypes.STRING,
+		ename: DataTypes.STRING,
+		email: {
+			type: DataTypes.STRING,
+			allowNull: false,
+      unique: true,
+		},
+  });
+
+  return User;
+};

app/routes/turorial.routes.js

+module.exports = app => {
+  const userController = require("../controllers/user.controller.js");
+
+  var router = require("express").Router();
+
+  // Create a new User
+  router.post("/", userController.create);
+
+  // Retrieve all Users
+  router.get("/", userController.findAll);
+
+  // Retrieve a single User with id
+  router.get("/:id", userController.findOne);
+
+  // Update a User with id
+  router.put("/:id", userController.update);
+
+  // Delete a User with id
+  router.delete("/:id", userController.delete);
+
+  // Delete all Users
+  router.delete("/", userController.deleteAll);
+
+  app.use('/api/user', router);
+};

index.js

-const express = require('express')
-const app = express()
-const port = 3000
+const express = require("express");
+// const bodyParser = require("body-parser"); /* deprecated */
 
-app.get('/', (req, res) => {
-  res.send('Hello World! (get')
-})
+const app = express();
 
-app.post('/', (req, res) => {
-    res.send('Hello World! (post')
-})
+// parse requests of content-type - application/json
+app.use(express.json());  /* bodyParser.json() is deprecated */
 
-app.put('/', (req, res) => {
-    res.send('Hello World! (put')
-})
+// parse requests of content-type - application/x-www-form-urlencoded
+app.use(express.urlencoded({ extended: true }));   /* bodyParser.urlencoded() is deprecated */
 
-app.delete('/', (req, res) => {
-    res.send('Hello World! (delete')
-})
+const db = require("./app/models");
 
-app.listen(port, () => {
-  console.log(`Example app listening on port ${port}`)
-})
+db.sequelize.sync();
+// // drop the table if it already exists
+// db.sequelize.sync({ force: true }).then(() => {
\ No newline at end of file
+//   console.log("Drop and re-sync db.");
+// });
+
+// simple route
+app.get("/", (req, res) => {
+  res.json({ message: "Welcome to bezkoder application." });
+});
+
+require("./app/routes/turorial.routes")(app);
+
+// set port, listen for requests
+const PORT = process.env.PORT || 8080;
+app.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}.`);
+});
\ No newline at end of file

package-lock.json

@@ -9,9 +9,18 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
-        "express": "^4.18.1"
+        "body-parser": "^1.19.0",
+        "cors": "^2.8.5",
+        "express": "^4.18.1",
+        "mysql2": "^2.0.2",
+        "sequelize": "^5.21.2"
       }
     },
+    "node_modules/@types/node": {
+      "version": "17.0.35",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.35.tgz",
+      "integrity": "sha512-vu1SrqBjbbZ3J6vwY17jBs8Sr/BKA+/a/WtjRG+whKg1iuLFOosq872EXS0eXWILdO36DHQQeku/ZcL6hz2fpg=="
+    },
     "node_modules/accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -24,11 +33,21 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/any-promise": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "integrity": "sha512-7UvmKalWRt1wgjL1RrGxoSJW/0QZFIegpeGvZG9kjp8vrRu55XTHbwnqq2GpXm9uLbcuhxm3IqX9OB4MZR1b2A=="
+    },
     "node_modules/array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
     },
+    "node_modules/bluebird": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+      "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
+    },
     "node_modules/body-parser": {
       "version": "1.20.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.0.tgz",
@@ -72,6 +91,15 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/cls-bluebird": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cls-bluebird/-/cls-bluebird-2.1.0.tgz",
+      "integrity": "sha1-N+8eCAqP+1XC9BZPU28ZGeeWiu4=",
+      "dependencies": {
+        "is-bluebird": "^1.0.2",
+        "shimmer": "^1.1.0"
+      }
+    },
     "node_modules/content-disposition": {
       "version": "0.5.4",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
@@ -104,6 +132,18 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
+    "node_modules/cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "dependencies": {
+        "object-assign": "^4",
+        "vary": "^1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
     "node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -112,6 +152,14 @@
         "ms": "2.0.0"
       }
     },
+    "node_modules/denque": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-2.0.1.tgz",
+      "integrity": "sha512-tfiWc6BQLXNLpNiR5iGd0Ocu3P3VpxfzFiqubLgMfhfOw9WyvgJBd46CClNn9k3qfbjvT//0cf7AlYRX/OslMQ==",
+      "engines": {
+        "node": ">=0.10"
+      }
+    },
     "node_modules/depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -129,6 +177,11 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/dottie": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.2.tgz",
+      "integrity": "sha512-fmrwR04lsniq/uSr8yikThDTrM7epXHBAAjH9TbeH3rEA8tdCO7mRzB9hdmdGyJCxF8KERo9CITcm3kGuoyMhg=="
+    },
     "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -234,6 +287,14 @@
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
       "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
     },
+    "node_modules/generate-function": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.3.1.tgz",
+      "integrity": "sha512-eeB5GfMNeevm/GRYq20ShmsaGcmI81kIX2K9XQx5miC8KdHaC6Jm0qQ8ZNeGOi7wYB8OsdxKs+Y2oVuTFuVwKQ==",
+      "dependencies": {
+        "is-property": "^1.0.2"
+      }
+    },
     "node_modules/get-intrinsic": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.1.1.tgz",
@@ -295,6 +356,14 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/inflection": {
+      "version": "1.12.0",
+      "resolved": "https://registry.npmjs.org/inflection/-/inflection-1.12.0.tgz",
+      "integrity": "sha1-ogCTVlbW9fa8TcdQLhrstwMihBY=",
+      "engines": [
+        "node >= 0.4.0"
+      ]
+    },
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
@@ -308,6 +377,40 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/is-bluebird": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-bluebird/-/is-bluebird-1.0.2.tgz",
+      "integrity": "sha1-CWQ5Bg9KpBGr7hkUOoTWpVNG1uI=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/is-property": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
+      "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ="
+    },
+    "node_modules/lodash": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+    },
+    "node_modules/long": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/long/-/long-4.0.0.tgz",
+      "integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA=="
+    },
+    "node_modules/lru-cache": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+      "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "dependencies": {
+        "yallist": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -359,11 +462,84 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/moment": {
+      "version": "2.29.3",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.3.tgz",
+      "integrity": "sha512-c6YRvhEo//6T2Jz/vVtYzqBzwvPT95JBQ+smCytzf7c50oMZRsR/a4w88aD34I+/QVSfnoAnSBFPJHItlOMJVw==",
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/moment-timezone": {
+      "version": "0.5.34",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.34.tgz",
+      "integrity": "sha512-3zAEHh2hKUs3EXLESx/wsgw6IQdusOT8Bxm3D9UrHPQR7zlMmzwybC8zHEM1tQ4LJwP7fcxrWr8tuBg05fFCbg==",
+      "dependencies": {
+        "moment": ">= 2.9.0"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
+    "node_modules/mysql2": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-2.3.3.tgz",
+      "integrity": "sha512-wxJUev6LgMSgACDkb/InIFxDprRa6T95+VEoR+xPvtngtccNH2dGjEB/fVZ8yg1gWv1510c9CvXuJHi5zUm0ZA==",
+      "dependencies": {
+        "denque": "^2.0.1",
+        "generate-function": "^2.3.1",
+        "iconv-lite": "^0.6.3",
+        "long": "^4.0.0",
+        "lru-cache": "^6.0.0",
+        "named-placeholders": "^1.1.2",
+        "seq-queue": "^0.0.5",
+        "sqlstring": "^2.3.2"
+      },
+      "engines": {
+        "node": ">= 8.0"
+      }
+    },
+    "node_modules/mysql2/node_modules/iconv-lite": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
+      "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+      "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/named-placeholders": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/named-placeholders/-/named-placeholders-1.1.2.tgz",
+      "integrity": "sha512-wiFWqxoLL3PGVReSZpjLVxyJ1bRqe+KKJVbr4hGs1KWfTZTQyezHFBbuKj9hsizHyGV2ne7EMjHdxEGAybD5SA==",
+      "dependencies": {
+        "lru-cache": "^4.1.3"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/named-placeholders/node_modules/lru-cache": {
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
+      "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
+      "dependencies": {
+        "pseudomap": "^1.0.2",
+        "yallist": "^2.1.2"
+      }
+    },
+    "node_modules/named-placeholders/node_modules/yallist": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
+    },
     "node_modules/negotiator": {
       "version": "0.6.3",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
@@ -372,6 +548,14 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/object-inspect": {
       "version": "1.12.1",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.1.tgz",
@@ -416,6 +600,11 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/pseudomap": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
+      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM="
+    },
     "node_modules/qs": {
       "version": "6.10.3",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.10.3.tgz",
@@ -452,6 +641,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/retry-as-promised": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/retry-as-promised/-/retry-as-promised-3.2.0.tgz",
+      "integrity": "sha512-CybGs60B7oYU/qSQ6kuaFmRd9sTZ6oXSc0toqePvV74Ac6/IFZSI1ReFQmtCN+uvW1Mtqdwpvt/LGOiCBAY2Mg==",
+      "dependencies": {
+        "any-promise": "^1.3.0"
+      }
+    },
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@@ -954,6 +1435,53 @@
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+        "validator": "^13.7.0",
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@@ -980,6 +1513,11 @@
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+    "toposort-class": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toposort-class/-/toposort-class-1.0.1.tgz",
+      "integrity": "sha1-f/0feMi+KMO6Rc1OGj9e4ZO9mYg="
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+    "uuid": {
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+      "resolved": "https://registry.npmjs.org/validator/-/validator-13.7.0.tgz",
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       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    },
+    "wkx": {
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+      "resolved": "https://registry.npmjs.org/wkx/-/wkx-0.4.8.tgz",
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+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
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     }
   }
 }

package.json

@@ -14,6 +14,10 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "express": "^4.18.1"
+    "express": "^4.18.1",
+    "body-parser": "^1.19.0",
+    "cors": "^2.8.5",
+    "mysql2": "^2.0.2",
+    "sequelize": "^5.21.2"
   }
 }