Add minimal web application (auth, show profile and playlists)

.gitignore

+/parameters.php
+/vendor

README.md

 # spotify
 
+# Register app
+
+<https://developer.spotify.com/dashboard/applications>
+
+App name:
+    Spotify playlist manager
+
+Add description:
+    Application to help create/update playlists from other playlists or selected artists/tracks.
+    Something like "radios", but more personalized.
+
+Client ID:
+    41597dbeb0b3403caa28e7e428e0c9b2
+
+Client Secret:
+    <hidden>

composer.json

+{
+    "require": {
+        "jwilsson/spotify-web-api-php": "^5.0"
+    }
+}

composer.lock

+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "6c79ee0e956770840720f3445b9351d9",
+    "packages": [
+        {
+            "name": "jwilsson/spotify-web-api-php",
+            "version": "5.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/jwilsson/spotify-web-api-php.git",
+                "reference": "44f270a9e8ef9f35089267c58d6bae155fd79ec6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/jwilsson/spotify-web-api-php/zipball/44f270a9e8ef9f35089267c58d6bae155fd79ec6",
+                "reference": "44f270a9e8ef9f35089267c58d6bae155fd79ec6",
+                "shasum": ""
+            },
+            "require": {
+                "ext-curl": "*",
+                "php": "^7.3 || ^8.0"
+            },
+            "require-dev": {
+                "php-coveralls/php-coveralls": "^2.0",
+                "phpunit/phpunit": "^9.4",
+                "squizlabs/php_codesniffer": "^3.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "SpotifyWebAPI\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jonathan Wilsson",
+                    "email": "jonathan.wilsson@gmail.com"
+                }
+            ],
+            "description": "A PHP wrapper for Spotify's Web API.",
+            "homepage": "https://github.com/jwilsson/spotify-web-api-php",
+            "keywords": [
+                "spotify"
+            ],
+            "support": {
+                "issues": "https://github.com/jwilsson/spotify-web-api-php/issues",
+                "source": "https://github.com/jwilsson/spotify-web-api-php/tree/5.0.0"
+            },
+            "time": "2021-05-14T20:15:37+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
+}

config.php

+<?php
+
+$parametersFile = __DIR__.'/parameters.php';
+if (!is_file($parametersFile)) {
+  die('Missing parameters file: '.$parametersFile);
+}
+
+require $parametersFile;

parameters.php.dist

+<?php
+
+$CLIENT_ID = '';
+$CLIENT_SECRET = '';
+$REDIRECT_URI = '';

public/auth.php

+<?php
+session_start();
+
+require '../vendor/autoload.php';
+require '../config.php';
+
+$session = new SpotifyWebAPI\Session(
+    $CLIENT_ID,
+    $CLIENT_SECRET,
+    $REDIRECT_URI
+);
+
+$state = $session->generateState();
+
+$_SESSION['state'] = $state;
+
+$options = [
+    'scope' => [
+        'playlist-read-private',
+        'playlist-modify-private',
+        'user-read-private',
+    ],
+    'state' => $state,
+];
+
+header('Location: ' . $session->getAuthorizeUrl($options));
+die();

public/callback.php

+<?php
+session_start();
+
+require '../vendor/autoload.php';
+require '../config.php';
+
+$session = new SpotifyWebAPI\Session(
+    $CLIENT_ID,
+    $CLIENT_SECRET,
+    $REDIRECT_URI
+);
+
+$storedState = $_SESSION['state'];
+$state = $_GET['state'];
+
+if ($state !== $storedState) {
+    header('Location: auth.php');
+}
+
+$session->requestAccessToken($_GET['code']);
+
+$_SESSION['accessToken'] = $session->getAccessToken();
+$_SESSION['refreshToken'] = $session->getRefreshToken();
+
+header('Location: index.php');
+die();

public/index.php

+<?php
+session_start();
+
+require '../vendor/autoload.php';
+require '../config.php';
+
+$accessToken = '';
+if (isset($_SESSION['accessToken'])) {
+    $accessToken = $_SESSION['accessToken'];
+}
+if (!$accessToken) {
+    header('Location: auth.php');
+    die();
+}
+
+$api = new SpotifyWebAPI\SpotifyWebAPI();
+$api->setAccessToken($accessToken);
+
+$user = $api->me();
+
+$templateData = [];
+
+$templateData['user'] = $user;
+$templateData['userImageUrl'] = '';
+if ($user->images[0]) {
+    $templateData['userImageUrl'] = $user->images[0]->url;
+}
+$templateData['playlists'] = $api->getUserPlaylists($user->id)->items;
+
+require '../template.php';

template.php

+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+  <title>Spotify playlist generator</title>
+  <link rel="stylesheet" href="css/bootstrap.min.css" type="text/css" media="all" />
+  <link rel="stylesheet" href="css/styles.css" type="text/css" media="all" />
+  <script src="js/bootstrap.min.js"></script>
+  <script src="js/scripts.js"></script>
+</head>
+
+<body class="m-2">
+
+  <div class="row">
+    <div class="col-md-2">
+
+      <div class="card">
+        <img src="<?php echo $templateData['userImageUrl']; ?>" class="card-img-top" alt="<?php echo $templateData['user']->display_name; ?>">
+        <div class="card-body">
+          <h5 class="card-title"><?php echo $templateData['user']->display_name; ?></h5>
+          <a href="<?php echo $templateData['user']->external_urls->spotify; ?>" class="btn btn-primary">View profile</a>
+        </div>
+      </div>
+
+    </div>
+    <div class="col-md-10">
+
+      <div class="list-group">
+        <?php
+          foreach ($templateData['playlists'] as $playlist) {
+            echo '<a href="' . $playlist->external_urls->spotify . '" class="list-group-item list-group-item-action">' . $playlist->name . '</a>';
+          }
+        ?>
+      </div>
+
+    </div>
+  </div>
+
+</body>
+
+</html>