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10_crud_ajax.html
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10_crud_ajax.html
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<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CRUD API REST AJAX</title>
</head>
<body>
<h1>CRUD API REST AJAX</h1>
<section class="crud">
<article>
<h2 class="crud-title">Agregar Santo</h2>
<form class="crud-form">
<input type="text" name="nombre" placeholder="nombre" required>
<br>
<input type="text" name="constelacion" placeholder="constelación" required>
<br>
<input type="submit" value="Enviar">
<input type="hidden" name="id">
</form>
</article>
<article>
<h2>Ver Santos</h2>
<table class="crud-table">
<thead>
<tr>
<th>Nombre</th>
<th>Constelación</th>
<th>Acciones</th>
</tr>
</thead>
<tbody></tbody>
</table>
</article>
</section>
<template id="crud-template">
<tr>
<td class="name"></td>
<td class="constellation"></td>
<td>
<button class="edit">Editar</button>
<button class="delete">Eliminar</button>
</td>
</tr>
</template>
<script>
/* ********** Curso JavaScript: 115. APIs REST: CRUD con AJAX (1/2) - #jonmircha ********** */
/* ********** Curso JavaScript: 116. APIs REST: CRUD con AJAX (2/2) - #jonmircha ********** */
const d = document,
$table = d.querySelector(".crud-table"),
$form = d.querySelector(".crud-form"),
$title = d.querySelector(".crud-title"),
$template = d.getElementById("crud-template").content,
$fragment = d.createDocumentFragment();
const ajax = (options) => {
let { url, method, success, error, data } = options;
const xhr = new XMLHttpRequest();
xhr.addEventListener("readystatechange", e => {
if (xhr.readyState !== 4) return;
if (xhr.status >= 200 && xhr.status < 300) {
let json = JSON.parse(xhr.responseText);
success(json);
} else {
let message = xhr.statusText || "Ocurrió un error";
error(`Error ${xhr.status}: ${message}`);
}
});
xhr.open(method || "GET", url);
xhr.setRequestHeader("Content-type", "application/json; charset=utf-8");
xhr.send(JSON.stringify(data));
}
const getAll = () => {
ajax({
url: "http://localhost:5555/santos",
success: (res) => {
console.log(res);
res.forEach(el => {
$template.querySelector(".name").textContent = el.nombre;
$template.querySelector(".constellation").textContent = el.constelacion;
$template.querySelector(".edit").dataset.id = el.id;
$template.querySelector(".edit").dataset.name = el.nombre;
$template.querySelector(".edit").dataset.constellation = el.constelacion;
$template.querySelector(".delete").dataset.id = el.id;
let $clone = d.importNode($template, true);
$fragment.appendChild($clone);
});
$table.querySelector("tbody").appendChild($fragment);
},
error: (err) => {
console.log(err);
$table.insertAdjacentHTML("afterend", `<p><b>${err}</b></p>`);
}
})
}
d.addEventListener("DOMContentLoaded", getAll);
d.addEventListener("submit", e => {
if (e.target === $form) {
e.preventDefault();
if (!e.target.id.value) {
//Create - POST
ajax({
url: "http://localhost:5555/santos",
method: "POST",
success: (res) => location.reload(),
error: (err) => $form.insertAdjacentHTML("afterend", `<p><b>${err}</b></p>`),
data: {
nombre: e.target.nombre.value,
constelacion: e.target.constelacion.value
}
});
} else {
//Update - PUT
ajax({
url: `http://localhost:5555/santos/${e.target.id.value}`,
method: "PUT",
success: (res) => location.reload(),
error: (err) => $form.insertAdjacentHTML("afterend", `<p><b>${err}</b></p>`),
data: {
nombre: e.target.nombre.value,
constelacion: e.target.constelacion.value
}
});
}
}
});
d.addEventListener("click", e => {
if (e.target.matches(".edit")) {
$title.textContent = "Editar Santo";
$form.nombre.value = e.target.dataset.name;
$form.constelacion.value = e.target.dataset.constellation;
$form.id.value = e.target.dataset.id;
}
if (e.target.matches(".delete")) {
let isDelete = confirm(`¿Estás seguro de eliminar el id ${e.target.dataset.id}?`);
if (isDelete) {
//Delete - DELETE
ajax({
url: `http://localhost:5555/santos/${e.target.dataset.id}`,
method: "DELETE",
success: (res) => location.reload(),
error: (err) => alert(err)
});
}
}
})
</script>
</body>
</html>