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spotify-lib-vis
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Implement User Login 

Closes #6. User can now log in and be redirected to a data display
page(needs to be fleshed out).
master
Chris 7 years ago
parent
588fc4bfc0
commit
c0fe7a61af
3 changed files with 36 additions and 112 deletions
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  1. 112
      spotifyvis/templates/spotifyvis/index.html
  2. 20
      spotifyvis/templates/spotifyvis/user_data.html
  3. 14
      spotifyvis/views.py

112
spotifyvis/templates/spotifyvis/index.html
View File

@ -1,12 +1,9 @@
<!doctype html>
<!DOCTYPE html>
<html>
<head>
<title>Example of the Authorization Code flow with Spotify</title>
<title>User Login</title>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
<style type="text/css">
#login, #loggedin {
display: none;
}
.text-overflow {
overflow: hidden;
text-overflow: ellipsis;
@ -22,111 +19,6 @@
<h1>This is an example of the Authorization Code flow</h1>
<a href="/login" class="btn btn-primary">Log in with Spotify</a>
</div>
<div id="loggedin">
<div id="user-profile">
</div>
<div id="oauth">
</div>
<button class="btn btn-default" id="obtain-new-token">Obtain new token using the refresh token</button>
</div>
</div>
<script id="user-profile-template" type="text/x-handlebars-template">
<h1>Logged in as {{display_name}}</h1>
<div class="media">
<div class="pull-left">
<img class="media-object" width="150" src="{{images.0.url}}" />
</div>
<div class="media-body">
<dl class="dl-horizontal">
<dt>Display name</dt><dd class="clearfix">{{display_name}}</dd>
<dt>Id</dt><dd>{{id}}</dd>
<dt>Email</dt><dd>{{email}}</dd>
<dt>Spotify URI</dt><dd><a href="{{external_urls.spotify}}">{{external_urls.spotify}}</a></dd>
<dt>Link</dt><dd><a href="{{href}}">{{href}}</a></dd>
<dt>Profile Image</dt><dd class="clearfix"><a href="{{images.0.url}}">{{images.0.url}}</a></dd>
<dt>Country</dt><dd>{{country}}</dd>
</dl>
</div>
</div>
</script>
<script id="oauth-template" type="text/x-handlebars-template">
<h2>oAuth info</h2>
<dl class="dl-horizontal">
<dt>Access token</dt><dd class="text-overflow">{{access_token}}</dd>
<dt>Refresh token</dt><dd class="text-overflow">{{refresh_token}}</dd>
</dl>
</script>
<script src="//cdnjs.cloudflare.com/ajax/libs/handlebars.js/2.0.0-alpha.1/handlebars.min.js"></script>
<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
<script>
(function() {
/**
* Obtains parameters from the hash of the URL
* @return Object
*/
function getHashParams() {
var hashParams = {};
var e, r = /([^&;=]+)=?([^&;]*)/g,
q = window.location.hash.substring(1);
while ( e = r.exec(q)) {
hashParams[e[1]] = decodeURIComponent(e[2]);
}
return hashParams;
}
var userProfileSource = document.getElementById('user-profile-template').innerHTML,
userProfileTemplate = Handlebars.compile(userProfileSource),
userProfilePlaceholder = document.getElementById('user-profile');
var oauthSource = document.getElementById('oauth-template').innerHTML,
oauthTemplate = Handlebars.compile(oauthSource),
oauthPlaceholder = document.getElementById('oauth');
var params = getHashParams();
var access_token = params.access_token,
refresh_token = params.refresh_token,
error = params.error;
if (error) {
alert('There was an error during the authentication');
} else {
if (access_token) {
// render oauth info
oauthPlaceholder.innerHTML = oauthTemplate({
access_token: access_token,
refresh_token: refresh_token
});
$.ajax({
url: 'https://api.spotify.com/v1/me',
headers: {
'Authorization': 'Bearer ' + access_token
},
success: function(response) {
userProfilePlaceholder.innerHTML = userProfileTemplate(response);
$('#login').hide();
$('#loggedin').show();
}
});
} else {
// render initial screen
$('#login').show();
$('#loggedin').hide();
}
document.getElementById('obtain-new-token').addEventListener('click', function() {
$.ajax({
url: '/refresh_token',
data: {
'refresh_token': refresh_token
}
}).done(function(data) {
access_token = data.access_token;
oauthPlaceholder.innerHTML = oauthTemplate({
access_token: access_token,
refresh_token: refresh_token
});
});
}, false);
}
})();
</script>
</body>
</html>

20
spotifyvis/templates/spotifyvis/user_data.html
View File

@ -0,0 +1,20 @@
<!DOCTYPE html>
<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]> <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>User Spotify Data</title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<!--[if lt IE 7]>
<p class="browsehappy">You are using an <strong>outdated</strong> browser. Please <a href="#">upgrade your browser</a> to improve your experience.</p>
<![endif]-->
<h1>Logged in as {{ id }}</h1>
<h2>Display name {{ user_name }}</h2>
</body>
</html>

14
spotifyvis/views.py
View File

@ -77,9 +77,21 @@ def callback(request):
response = requests.post('https://accounts.spotify.com/api/token', data = payload).json()
# despite its name, datetime.today() returns a datetime object, not a date object
# use datetime.strptime() to get a datetime object from a string
request.session['token_obtained_at'] = str(datetime.datetime.today())
request.session['access_token'] = response['access_token']
request.session['refresh_token'] = response['refresh_token']
request.session['valid_for'] = response['expires_in']
print(response)
return HttpResponse("At callback")
auth_token_str = "Bearer " + response['access_token']
headers = {
'Authorization': auth_token_str
}
user_data_response = requests.get('https://api.spotify.com/v1/me', headers = headers).json()
context = {
'user_name': user_data_response['display_name'],
'id': user_data_response['id'],
}
return render(request, 'spotifyvis/user_data.html', context)
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