pressbooks aldine theme the theme used for the front page or default book
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<?php
namespace Aldine;
use Roots\Sage\Container;
/**
* Get the sage container.
*
* @param string $abstract
* @param array $parameters
* @param Container $container
* @return Container|mixed
*/
function sage($abstract = null, $parameters = [], Container $container = null)
{
$container = $container ?: Container::getInstance();
if (!$abstract) {
return $container;
}
return $container->bound($abstract)
? $container->makeWith($abstract, $parameters)
: $container->makeWith("sage.{$abstract}", $parameters);
}
/**
* Get / set the specified configuration value.
*
* If an array is passed as the key, we will assume you want to set an array of values.
*
* @param array|string $key
* @param mixed $default
* @return mixed|\Roots\Sage\Config
* @copyright Taylor Otwell
* @link https://github.com/laravel/framework/blob/c0970285/src/Illuminate/Foundation/helpers.php#L254-L265
*/
function config($key = null, $default = null)
{
if (is_null($key)) {
return sage('config');
}
if (is_array($key)) {
return sage('config')->set($key);
}
return sage('config')->get($key, $default);
}
/**
* @param string $file
* @param array $data
* @return string
*/
function template($file, $data = [])
{
if (remove_action('wp_head', 'wp_enqueue_scripts', 1)) {
wp_enqueue_scripts();
}
return sage('blade')->render($file, $data);
}
/**
* Retrieve path to a compiled blade view
* @param $file
* @param array $data
* @return string
*/
function template_path($file, $data = [])
{
return sage('blade')->compiledPath($file, $data);
}
/**
* @param $asset
* @return string
*/
function asset_path($asset)
{
return sage('assets')->getUri($asset);
}
/**
* @param $asset
* @return string
*/
function svg_path($asset)
{
return sage('assets')->get($asset);
}
/**
* @param string|string[] $templates Possible template files
* @return array
*/
function filter_templates($templates)
{
$paths = apply_filters('sage/filter_templates/paths', [
'views',
'resources/views'
]);
$paths_pattern = "#^(" . implode('|', $paths) . ")/#";
return collect($templates)
->map(function ($template) use ($paths_pattern) {
/** Remove .blade.php/.blade/.php from template names */
$template = preg_replace('#\.(blade\.?)?(php)?$#', '', ltrim($template));
/** Remove partial $paths from the beginning of template names */
if (strpos($template, '/')) {
$template = preg_replace($paths_pattern, '', $template);
}
return $template;
})
->flatMap(function ($template) use ($paths) {
return collect($paths)
->flatMap(function ($path) use ($template) {
return [
"{$path}/{$template}.blade.php",
"{$path}/{$template}.php",
"{$template}.blade.php",
"{$template}.php",
];
});
})
->filter()
->unique()
->all();
}
/**
* @param string|string[] $templates Relative path to possible template files
* @return string Location of the template
*/
function locate_template($templates)
{
return \locate_template(filter_templates($templates));
}
/**
*
* Catch a contact form submission.
*
* @return false | array
*/
function contact_form_submission()
{
if (isset($_POST['submitted'])) {
$output = [];
$name = (isset($_POST['visitor_name'])) ? $_POST['visitor_name'] : false;
$email = (isset($_POST['visitor_email'])) ? $_POST['visitor_email'] : false;
$institution = (isset($_POST['visitor_institution'])) ? $_POST['visitor_institution'] : false;
$message = (isset($_POST['message'])) ? $_POST['message'] : false;
if (!$name) {
$output['message'] = __('Name is required.', 'aldine');
$output['status'] = 'error';
$output['field'] = 'visitor_name';
} elseif (!$email) {
$output['message'] = __('Email is required.', 'aldine');
$output['status'] = 'error';
$output['field'] = 'visitor_email';
} elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
$output['message'] = __('Email is invalid.', 'aldine');
$output['status'] = 'error';
$output['field'] = 'visitor_email';
} elseif (!$institution) {
$output['message'] = __('Institution is required.', 'aldine');
$output['status'] = 'error';
$output['field'] = 'visitor_institution';
} elseif (!$message) {
$output['message'] = __('Message is required.', 'aldine');
$output['status'] = 'error';
$output['field'] = 'message';
} else {
$sent = wp_mail(
get_option('admin_email'),
sprintf(__('Contact Form Submission from %s', 'aldine'), $name),
sprintf(
"From: %1\$s <%2\$s>\n%3\$s",
$name,
$email,
strip_tags($message)
),
"From: ${email}\r\nReply-To: ${email}\r\n"
);
if ($sent) {
$output['message'] = __('Your message was sent!', 'aldine');
$output['status'] = 'success';
} else {
$output['message'] = __('Your message could not be sent.', 'aldine');
$output['status'] = 'error';
}
}
return $output;
}
return false;
}