user api using denos built in database

1cac5878 · AF7626 · 351c1e64 · 1cac5878 · 1cac5878 · 1cac5878
Commit 1cac5878 authored 1 month ago by AF7626
--- a/app-run.js
+++ b/app-run.js
+import app from './app.js';
+
+
+Deno.serve(app.fetch);
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--- a/app.js
+++ b/app.js
 import { Hono } from "https://deno.land/x/hono@v3.12.11/mod.ts";
+import * as userController from "./userController.js";

 const app = new Hono();

+app.get("/v1/users", userController.showForm);
+app.get("/v1/users/:id", userController.showUser);
+app.post("/v1/users", userController.createUser);
+app.post("/v1/users/:id", userController.updateUser);
+app.post("/v1/users/:id/delete", userController.deleteUser);

-app.get("/", (c) => {
-  return c.text("Hello doctors")
-})
-
-
-//A post request that a user can create a user 
-app.get("/userRegister", (c) => {
-  return c.text("Hello doctors")
-})
-
-
-app.post("/userRegister" , (c) => {
-  const body = c.req.parseBody();
-  console.log(body);
-
-   return c.redirect("/")
-})
-
-Deno.serve(app.fetch);
+export default app;

--- a/templates/user.eta
+++ b/templates/user.eta
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Users</title>
+  </head>
+  <body>
+    <form method="POST" action="/v1/users/<%= it.user.id %>">
+      <label for="name">Name:</label>
+      <input type="text" id="name" name="name" value="<%= it.user.name %>" /><br/>
+
+      <label for="email">Email:</label>
+      <input  type="email" id="email" name="email" value="<%= it.user.email %>" /><br/>
+
+     <label for="password">Password:</label>
+      <input type="password" id="password" name="password"  value="<%= it.user.isbn %>" /><br/>
+
+      <input type="submit" value="Update" />
+    </form>
+    
+    <p><a href="/v1/users">Back to users</a></p>
+  </body>
+</html>
\ No newline at end of file
--- a/templates/users.eta
+++ b/templates/users.eta
+<!DOCTYPE html>
+<html>
+  <head>
+     <title>User Registration</title>
+  </head>
+  <body>
+    <h2>Register User</h2>
+    <form method="POST" action="/v1/users">
+      <label for="name">Name:</label>
+      <input type="text" id="name" name="name" required /><br/>
+
+      <label for="email">Email:</label>
+      <input type="email" id="email" name="email" required /><br/>
+
+      <label for="password">Password:</label>
+      <input type="password" id="password" name="password" required /><br/>
+
+      <input type="submit" value="Register" />
+    </form>
+    <ul>
+    <h2>Existing Users</h2>
+    <ul>
+    <% it.users.forEach((user) => { %>
+      <li>
+        <a href="/v1/users/<%= user.id %>"><%= user.name %> (<%= user.email %>)</a>
+        <form method="POST" action="/v1/users/<%= user.id %>/delete" style="display:inline;">
+          <input type="submit" value="Delete" />
+        </form>
+      </li>
+    <% }); %>
+    </ul>
+  </body>
+</html>
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--- a/userController.js
+++ b/userController.js
+import { Eta } from "https://deno.land/x/eta@v3.4.0/src/index.ts";
+import * as userService from "./userService.js";
+
+const eta = new Eta({ views: `${Deno.cwd()}/templates/` });
+
+const showForm = async (c) => {
+  return c.html(
+    eta.render("users.eta", { users: await userService.listUsers() }),
+  );
+};
+
+const createUser = async (c) => {
+  const body = await c.req.parseBody();
+  await userService.createUser(body);
+  return c.redirect("/v1/users");
+};
+
+const showUser = async (c) => {
+  const id = c.req.param("id");
+  return c.html(
+    eta.render("user.eta", { user: await userService.getUser(id) }),
+  );
+};
+
+const updateUser = async (c) => {
+  const id = c.req.param("id");
+  const body = await c.req.parseBody();
+  await userService.updateUser(id, body);
+  return c.redirect(`/v1/users/${id}`);
+};
+
+
+const deleteUser = async (c) => {
+  const id = c.req.param("id");
+  await userService.deleteUser(id);
+  return c.redirect("/v1/users");
+}
+
+
+export { createUser, showForm, showUser, updateUser,deleteUser };
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--- a/userService.js
+++ b/userService.js
+const createUser = async (user) => {
+  user.id = crypto.randomUUID();
+
+  const kv = await Deno.openKv();
+  await kv.set(["users", user.id], user);
+};
+
+const listUsers = async () => {
+  const kv = await Deno.openKv();
+  const userEntries = await kv.list({ prefix: ["users"] });
+
+  const users = [];
+  for await (const entry of userEntries) {
+    users.push(entry.value);
+  }
+
+  return users;
+};
+
+const getUser = async (id) => {
+  const kv = await Deno.openKv();
+  const user = await kv.get(["users", id]);
+  return user?.value ?? {};
+};
+
+const updateUser = async (id, user) => {
+  user.id = id;
+  const kv = await Deno.openKv();
+  await kv.set(["users", id], user);
+};
+
+const deleteUser = async (id) => {
+  const kv = await Deno.openKv();
+  await kv.delete(["users",id]);
+}
+
+
+export {createUser,listUsers,getUser,updateUser,deleteUser}
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