Add week3_answer folder

week3_answer/addreas_api_book/app.js

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+const express = require("express");
+const app = express();
+const port = 3000;
+require("./db/database")
+const router = require("./router/router")
+app.use(express.json());
+
+app.get("/", (req, res) => {
+  res.send("hello world");
+});
+
+app.use(router)
+
+app.listen(port, () => {
+  console.log("Server is running in port: " + port);
+});

week3_answer/addreas_api_book/controller/contactController.js

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+let db = require("../database");
+class ContactController {
+  constructor(name, phone) {
+    this.name = name;
+    this.phone = phone;
+  }
+
+  static createContact(name, phone) {
+    return new Promise((resolve, reject) => {
+      db.run(
+        `INSERT INTO contacts (name, phone) VALUES (?, ?)`,
+        [name, phone],
+        (err) => {
+          if (err) reject(err);
+          resolve();
+        }
+      );
+    });
+  }
+
+  static updateContact(id, name, phone) {
+    let updateContact = new ContactController(id, name, phone);
+    return new Promise((resolve, reject) => {
+      db.run(
+        `UPDATE contacts SET name = ?, phone = ? WHERE id = ?`,
+        [updateContact.name, updateContact.phone, updateContact.id],
+        (err) => {
+          if (err) reject(err);
+          resolve();
+        }
+      );
+    });
+  }
+
+  static deleteContact(id) {
+    return new Promise((resolve, reject) => {
+      db.run(`DELETE FROM contacts WHERE id = ?`, [id], (err) => {
+        if (err) reject(err);
+        resolve();
+      });
+    });
+  }
+
+  static getContacts() {
+    return new Promise((resolve, reject) => {
+      db.all(`SELECT * FROM contacts`, (err, rows) => {
+        if (err) reject(err);
+        resolve(rows);
+      });
+    });
+  }
+}
+
+module.exports = ContactController;

week3_answer/addreas_api_book/controller/contactGroupController.js

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+let db = require("../database");
+class ContactGroupController {
+  constructor(contactId, groupId) {
+    this.contactId = contactId;
+    this.groupId = groupId;
+  }
+
+  static createContactGroup(contactId, groupId) {
+    return new Promise((resolve, reject) => {
+      db.run(
+        `INSERT INTO contact_group (contact_id, group_id) VALUES (?, ?)`,
+        [contactId, groupId],
+        (err) => {
+          if (err) reject(err);
+          resolve();
+        }
+      );
+    });
+  }
+
+  static updateContactGroup(id, contactId, groupId) {
+    let updateContactGroup = new ContactGroupController(id, contactId, groupId);
+    return new Promise((resolve, reject) => {
+      db.run(
+        `UPDATE contact_group SET contact_id = ?, group_id = ? WHERE id = ?`,
+        [
+          updateContactGroup.contactId,
+          updateContactGroup.groupId,
+          updateContactGroup.id,
+        ],
+        (err) => {
+          if (err) reject(err);
+          resolve();
+        }
+      );
+    });
+  }
+
+  static deleteContactGroup(id) {
+    return new Promise((resolve, reject) => {
+      db.run(`DELETE FROM contact_group WHERE id = ?`, [id], (err) => {
+        if (err) reject(err);
+        resolve();
+      });
+    });
+  }
+
+  static getContactGroups() {
+    return new Promise((resolve, reject) => {
+      db.all(`SELECT * FROM contact_group`, (err, rows) => {
+        if (err) reject(err);
+        resolve(rows);
+      });
+    });
+  }
+}
+
+module.exports = ContactGroupController;

week3_answer/addreas_api_book/controller/groupController.js

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+let db = require("../database");
+class GroupController {
+  constructor(name) {
+    this.name = name;
+  }
+
+  static createGroup(name) {
+    return new Promise((resolve, reject) => {
+      db.run(`INSERT INTO groups (name) VALUES (?)`, [name], (err) => {
+        if (err) reject(err);
+        resolve();
+      });
+    });
+  }
+
+  static updateGroup(id, name) {
+    return new Promise((resolve, reject) => {
+      db.run(`UPDATE groups SET name = ? WHERE id = ?`, [name, id], (err) => {
+        if (err) reject(err);
+        resolve();
+      });
+    });
+  }
+
+  static deleteGroup(id) {
+    return new Promise((resolve, reject) => {
+      db.run(`DELETE FROM groups WHERE id = ?`, [id], (err) => {
+        if (err) reject(err);
+        resolve();
+      });
+    });
+  }
+
+  static getGroups() {
+    return new Promise((resolve, reject) => {
+      db.all(`SELECT * FROM groups`, (err, rows) => {
+        if (err) reject(err);
+        resolve(rows);
+      });
+    });
+  }
+
+  static deleteGroup(id) {
+    return new Promise((resolve, reject) => {
+      db.run(`DELETE FROM groups WHERE id = ?`, [id], (err) => {
+        if (err) reject(err);
+        resolve();
+      });
+    });
+  }
+}
+
+module.exports = GroupController;

week3_answer/addreas_api_book/database.js

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+const sqlite3 = require("sqlite3").verbose();
+
+const db = new sqlite3.Database("./addreas_book.db", (err) => {
+  if (err) {
+    console.log("Gagal konek DB:", err.message);
+  } else {
+    console.log("SQLite connected");
+  }
+});
+
+db.run(`
+  CREATE TABLE IF NOT EXISTS contacts (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT,
+    phone TEXT
+  )
+`);
+
+db.run(`
+  CREATE TABLE IF NOT EXISTS groups (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT
+  )
+`);
+
+db.run(`
+  CREATE TABLE IF NOT EXISTS contact_group (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    contact_id INTEGER,
+    group_id INTEGER
+  )
+`);
+
+module.exports = db;

week3_answer/addreas_api_book/router/router.js

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+const express = require("express");
+const router = express.Router();
+const contactController = require("../controller/contactController");
+const groupController = require("../controller/groupController");
+const contactGroupController = require("../controller/contactGroupController");
+
+router
+  .route("/contact")
+  .get(contactController.getContacts)
+  .post(contactController.createContact);
+
+router.put("/contact/:id", contactController.updateContact);
+router.delete("/contact/:id", contactController.deleteContact);
+
+router
+  .route("/groups")
+  .get(groupController.getGroups)
+  .post(groupController.createGroups);
+router.put("/groups/:id", groupController.updateGroups);
+router.delete("/groups/:id", groupController.deleteGroups);
+
+router.post("/contactGroup", contactGroupController.createContactGroup);
+router.put("/contactGroup/:id", contactGroupController.updateContactGroup);
+router.delete("/contactGroup/:id", contactGroupController.deleteContactGroup);
+
+module.exports = router;

week3_answer/addreas_api_book/testing-api.js

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+const axios = require("axios");
+
+const API = "http://localhost:3000";
+
+
+axios.post(`${API}/contact`, {
+  name: "Ryo",
+  phone: "08123456789"
+}).then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+axios.get(`${API}/contact`)
+  .then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+axios.put(`${API}/contact/1`, {
+  name: "Ryo Update",
+  phone: "08999999"
+}).then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+axios.delete(`${API}/contact/1`)
+  .then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+
+
+axios.post(`${API}/groups`, {
+  name: "Teman"
+}).then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+axios.get(`${API}/groups`)
+  .then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+axios.put(`${API}/groups/1`, {
+  name: "Keluarga"
+}).then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+axios.delete(`${API}/groups/1`)
+  .then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+
+
+axios.post(`${API}/contactGroup`, {
+  contact_id: 1,
+  group_id: 2
+}).then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+axios.put(`${API}/contactGroup/1`, {
+  contact_id: 2,
+  group_id: 3
+}).then(res => console.log(res.data))
+  .catch(err => console.log(err));
+
+axios.delete(`${API}/contactGroup/1`)
+  .then(res => console.log(res.data))
+  .catch(err => console.log(err));