node-week3/Ihor

6_nodejs/week3/.gitignore

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+node_modules/

6_nodejs/week3/app.js

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+import knex from 'knex'
+const knexInstance = knex({
+  client: "mysql2",
+  connection: {
+    host: process.env.DB_HOST || "127.0.0.1",
+    port: process.env.DB_PORT || 3307,
+    user: process.env.DB_USER || "root",
+    password: process.env.DB_PASSWORD || "my-secret-pw",
+    database: process.env.DB_NAME || "hyf_node_week3_warmup",
+    multipleStatements: true,
+  },
+});
+
+import express from 'express'
+const app = express();
+const port = process.env.PORT || 3000;
+
+app.use(express.json());
+
+const apiRouter = express.Router();
+app.use("/api", apiRouter);
+
+const contactsAPIRouter = express.Router();
+apiRouter.use("/contacts", contactsAPIRouter);
+
+contactsAPIRouter.get("/", async (req, res) => {
+    try{
+        const { sort } = req.query;
+        const allowedSortKeys = ["id", "first_name", "last_name", "email", "phone"];
+        if(sort && allowedSortKeys.includes(sort)){
+            const contacts = await knexInstance.from("contacts").orderBy(sort);
+            res.json(contacts);
+        }else{
+            res.status(400).json({ error: "Invalid sort key" });
+        }
+    }catch(error){
+        console.error(error);
+        res.status(500).json({ error: "Internal server error" });
+    }
+}); 
+
+app.listen(port, () => {
+  console.log(`Listening on port ${port}`);
+});

6_nodejs/week3/hyf_node_week3_warmup.sql

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+CREATE DATABASE hyf_node_week3_warmup DEFAULT CHARACTER SET = 'utf8mb4';
+
+USE hyf_node_week3_warmup;
+
+
+CREATE TABLE `contacts` (
+  `id` int unsigned NOT NULL AUTO_INCREMENT,
+  `first_name` varchar(255) NOT NULL,
+  `last_name` varchar(255) NOT NULL,
+  `email` varchar(255) DEFAULT NULL,
+  `phone` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- Sample data
+insert into contacts (id, first_name, last_name, email, phone) values (1, 'Selig', 'Matussov', '[email protected]', '176-630-4577');
+insert into contacts (id, first_name, last_name, email, phone) values (2, 'Kenny', 'Yerrington', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (3, 'Emilie', 'Gaitskell', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (4, 'Jordon', 'Tokell', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (5, 'Sallyann', 'Persse', '[email protected]', '219-157-2368');
+insert into contacts (id, first_name, last_name, email, phone) values (6, 'Berri', 'Bulter', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (7, 'Lanni', 'Ivanilov', '[email protected]', null);
+insert into contacts (id, first_name, last_name, email, phone) values (8, 'Dagny', 'Milnthorpe', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (9, 'Annadiane', 'Bansal', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (10, 'Tawsha', 'Hackley', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (11, 'Rubetta', 'Ozelton', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (12, 'Charles', 'Boughey', '[email protected]', '605-358-5664');
+insert into contacts (id, first_name, last_name, email, phone) values (13, 'Shantee', 'Robbe', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (14, 'Gleda', 'Peat', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (15, 'Arlinda', 'Ethersey', '[email protected]', '916-139-1300');
+insert into contacts (id, first_name, last_name, email, phone) values (16, 'Armando', 'Meachem', '[email protected]', '631-442-5339');
+insert into contacts (id, first_name, last_name, email, phone) values (17, 'Codi', 'Redhouse', null, '401-953-6897');
+insert into contacts (id, first_name, last_name, email, phone) values (18, 'Ann', 'Buncombe', '[email protected]', '210-338-0748');
+insert into contacts (id, first_name, last_name, email, phone) values (19, 'Louis', 'Matzkaitis', '[email protected]', '583-996-6979');
+insert into contacts (id, first_name, last_name, email, phone) values (20, 'Jessey', 'Pala', null, null);
+insert into contacts (id, first_name, last_name, email, phone) values (21, 'Archy', 'Scipsey', '[email protected]', '420-983-2426');
+insert into contacts (id, first_name, last_name, email, phone) values (22, 'Benoit', 'Mould', '[email protected]', '271-217-9218');
+insert into contacts (id, first_name, last_name, email, phone) values (23, 'Sherm', 'Girardey', '[email protected]', '916-999-2957');
+insert into contacts (id, first_name, last_name, email, phone) values (24, 'Raquel', 'Mudge', '[email protected]', '789-830-7473');
+insert into contacts (id, first_name, last_name, email, phone) values (25, 'Tabor', 'Reavey', null, null);