/**
* A group of Twig functions for use in view templates
*
* @param Twig_Environment $env
* @param Slim $app
* @return void
*/
function initialize(Twig_Environment $env, Slim $app)
{
$env->addExtension(new TwigExtension());
$env->addFunction(new Twig_SimpleFunction('urlFor', function ($routeName, $params = array()) use($app) {
$url = $app->urlFor($routeName, $params);
return $url;
}));
$env->addFunction(new Twig_SimpleFunction('hash', function ($value) {
return md5($value);
}));
$env->addFunction(new Twig_SimpleFunction('gravatar', function ($email_hash, $size = 40) {
$size = (int) $size == 0 ? 20 : (int) $size;
$url = 'https://secure.gravatar.com/avatar/' . $email_hash . '?d=mm&s=' . $size;
if (empty($email_hash)) {
$url .= '&f=y';
}
return $url;
}));
$env->addFunction(new Twig_SimpleFunction('getCurrentUrl', function () {
return $_SERVER['REQUEST_URI'];
}));
$env->addFunction(new Twig_SimpleFunction('urlForTalk', function ($eventSlug, $talkSlug, $params = array()) use($app) {
return $app->urlFor('talk', array('eventSlug' => $eventSlug, 'talkSlug' => $talkSlug));
}));
$env->addFunction(new Twig_SimpleFunction('shortUrlForTalk', function ($talkStub) use($app) {
$scheme = $app->request()->getScheme();
$host = $app->request()->headers('host');
return "{$scheme}://{$host}" . $app->urlFor('talk-quicklink', array('talkStub' => $talkStub));
}));
$env->addFunction(new Twig_SimpleFunction('shortUrlForEvent', function ($eventStub) use($app) {
$scheme = $app->request()->getScheme();
$host = $app->request()->headers('host');
return "{$scheme}://{$host}" . $app->urlFor('event-quicklink', array('stub' => $eventStub));
}));
$env->addFunction(new Twig_SimpleFunction('dateRange', function ($start, $end, $format = 'd.m.Y', $separator = ' - ') use($app) {
$formatter = new \Org_Heigl\DateRange\DateRangeFormatter();
$formatter->setFormat($format);
$formatter->setSeparator($separator);
if (!$start instanceof \DateTimeInterface) {
$start = new \DateTime($start);
}
if (!$end instanceof \DateTimeInterface) {
$end = new \DateTime($end);
}
return $formatter->getDateRange($start, $end);
}));
/**
* wrapped Slim request function getPath()
*/
$env->addFunction(new Twig_SimpleFunction('currentPath', function () use($app) {
$request = $app->request;
$params = $app->request->get();
$queryString = http_build_query($params);
if ($queryString) {
return $request->getPath() . urlencode('?' . $queryString);
} else {
return $request->getPath();
}
}));
}
/**
* A group of Twig functions for use in view templates
*
* @param Twig_Environment $env
* @param Slim $app
* @return void
*/
function initialize(Twig_Environment $env, Slim $app)
{
$env->addExtension(new TwigExtension());
$env->addFunction(new Twig_SimpleFunction('urlFor', function ($routeName, $params = array()) use($app) {
$url = $app->urlFor($routeName, $params);
return $url;
}));
$env->addFunction(new Twig_SimpleFunction('hash', function ($value) {
return md5($value);
}));
$env->addFunction(new Twig_SimpleFunction('gravatar', function ($email_hash, $size = 40) {
$size = (int) $size == 0 ? 20 : (int) $size;
$url = 'https://secure.gravatar.com/avatar/' . $email_hash . '?d=mm&s=' . $size;
if (empty($email_hash)) {
$url .= '&f=y';
}
return $url;
}));
$env->addFunction(new Twig_SimpleFunction('getCurrentRoute', function () use($app) {
return $app->router->getCurrentRoute()->getName();
}));
$env->addFunction(new Twig_SimpleFunction('getCurrentUrl', function ($fullyQualified = false) use($app) {
$url = $_SERVER['REQUEST_URI'];
if ($fullyQualified) {
$scheme = $app->request()->getScheme();
$host = $app->request()->headers('host');
$url = "{$scheme}://{$host}{$url}";
}
return $url;
}));
$env->addFunction(new Twig_SimpleFunction('urlForTalk', function ($eventSlug, $talkSlug, $params = array()) use($app) {
return $app->urlFor('talk', array('eventSlug' => $eventSlug, 'talkSlug' => $talkSlug));
}));
$env->addFunction(new Twig_SimpleFunction('shortUrlForTalk', function ($talkStub) use($app) {
$scheme = $app->request()->getScheme();
$host = $app->request()->headers('host');
return "{$scheme}://{$host}" . $app->urlFor('talk-quicklink', array('talkStub' => $talkStub));
}));
$env->addFunction(new Twig_SimpleFunction('shortUrlForEvent', function ($eventStub) use($app) {
$scheme = $app->request()->getScheme();
$host = $app->request()->headers('host');
return "{$scheme}://{$host}" . $app->urlFor('event-quicklink', array('stub' => $eventStub));
}));
$env->addFunction(new Twig_SimpleFunction('dateRange', function ($start, $end, $format = 'd.m.Y', $separator = ' - ') use($app) {
$formatter = new \Org_Heigl\DateRange\DateRangeFormatter();
$formatter->setFormat($format);
$formatter->setSeparator($separator);
if (!$start instanceof \DateTimeInterface) {
$start = new \DateTime($start);
}
if (!$end instanceof \DateTimeInterface) {
$end = new \DateTime($end);
}
return $formatter->getDateRange($start, $end);
}));
/**
* Convert a number of minutes into a prettier textual string.
*
* e.g.
* - 60 minutes converts to "1 hour"
* - 120 minutes converts to "2 hours"
* - 126 minutes converts to "2 hours, 6 minutes"
*/
$env->addFunction(new Twig_SimpleFunction('prettyDuration', function ($duration) {
$duration = (int) $duration;
if ($duration < 60) {
return "{$duration} minutes";
}
if ($duration == 60) {
return "1 hour";
}
$hours = (int) ($duration / 60);
$minutes = $duration - $hours * 60;
if (!$minutes) {
return "{$hours} hours";
}
return "{$hours} hours, {$minutes} minutes";
}));
/**
* wrapped Slim request function getPath()
*/
$env->addFunction(new Twig_SimpleFunction('currentPath', function () use($app) {
$request = $app->request;
$params = $app->request->get();
$queryString = http_build_query($params);
if ($queryString) {
return $request->getPath() . urlencode('?' . $queryString);
} else {
return $request->getPath();
}
}));
/**
* Create link to log in with Facebook
*/
$env->addFunction(new Twig_SimpleFunction('facebookLoginUrl', function () use($app) {
if (!$app->config('facebook') || empty($app->config('facebook')['app_id'])) {
// app_id isn't configured
return '';
}
$req = $app->request();
$redirectUrl = $req->getUrl();
$redirectUrl .= $app->urlFor('facebook-callback');
$url = 'https://www.facebook.com/dialog/oauth?';
$url .= http_build_query(['scope' => 'email', 'client_id' => $app->config('facebook')['app_id'], 'redirect_uri' => $redirectUrl]);
return $url;
}, ['is_safe' => ['html']]));
}