/**
* Output page markup.
*
* @since 3.0.0
*/
public function html()
{
// @todo pull data from simplecalendar.io to showcase add-ons
$js_redirect = '<script type="text/javascript">';
$js_redirect .= 'window.location = "' . simcal_ga_campaign_url(simcal_get_url('add-ons'), 'core-plugin', 'plugin-submenu-link', true) . '"';
$js_redirect .= '</script>';
echo $js_redirect;
}
/**
* Newsletter signup form.
*
* @since 3.0.0
*
* @return void
*/
function simcal_newsletter_signup()
{
if ($screen = simcal_is_admin_screen()) {
global $current_user;
wp_get_current_user();
$name = $current_user->user_firstname ? $current_user->user_firstname : '';
?>
<div id="simcal-drip" class="<?php
echo $screen;
?>
">
<div class="signup">
<p>
<?php
_e("Enter your name and email and we'll send you a coupon code for 20% off our Google Calendar Pro add-on.", 'google-calendar-events');
?>
</p>
<p>
<label for="simcal-drip-field-email"><?php
_e('Your Email', 'google-calendar-events');
?>
</label><br />
<input type="email"
id="simcal-drip-field-email"
name="fields[email]"
value="<?php
echo $current_user->user_email;
?>
" />
</p>
<p>
<label for="simcal-drip-field-first_name"><?php
_e('First Name', 'google-calendar-events');
?>
</label><br />
<input type="text"
id="simcal-drip-field-first_name"
name="fields[first_name]"
value="<?php
echo $name;
?>
" />
</p>
<p class="textright">
<a href="#"
id="simcal-drip-signup"
class="button button-primary"><?php
_e('Send me the coupon', 'google-calendar-events');
?>
</a>
</p>
<div class="textright">
<a href="<?php
echo simcal_ga_campaign_url(simcal_get_url('gcal-pro'), 'core-plugin', 'sidebar-link');
?>
"
target="_blank"><?php
_e('Just take me to GCal Pro', 'google-calendar-events');
?>
</a>
</div>
</div>
<div class="thank-you" style="display: none;">
<?php
_e('Thank you!', 'google-calendar-events');
?>
</div>
<div class="clear">
</div>
</div>
<?php
}
}
/**
* Activate add-on license.
*
* This code is run only when an add-on requiring a license is installed and active.
*
* @since 3.0.0
*/
public function manage_add_on_license()
{
$addon = isset($_POST['add_on']) ? sanitize_key($_POST['add_on']) : false;
$action = isset($_POST['license_action']) ? esc_attr($_POST['license_action']) : false;
$key = isset($_POST['license_key']) ? esc_attr($_POST['license_key']) : '';
$nonce = isset($_POST['nonce']) ? esc_attr($_POST['nonce']) : '';
// Verify that there are valid variables to process.
if (false === $addon || !in_array($action, array('activate_license', 'deactivate_license'))) {
wp_send_json_error(__('Add-on unspecified or invalid action.', 'google-calendar-events'));
}
// Verify this request comes from the add-ons licenses activation settings page.
if (!wp_verify_nonce($nonce, 'simcal_license_manager')) {
wp_send_json_error(sprintf(__('An error occurred: %s', 'google-calendar-events'), 'Nonce verification failed.'));
}
// Removes the prefix and converts simcal_{id_no} to {id_no}.
$id = intval(substr($addon, 7));
// Data to send in API request.
$api_request = array('edd_action' => $action, 'license' => $key, 'item_id' => urlencode($id), 'url' => home_url());
// Call the custom API.
$response = wp_remote_post(defined('SIMPLE_CALENDAR_STORE_URL') ? SIMPLE_CALENDAR_STORE_URL : simcal_get_url('home'), array('timeout' => 15, 'sslverify' => false, 'body' => $api_request));
// Update license in db.
$keys = get_option('simple-calendar_settings_licenses', array());
$new_keys = array_merge((array) $keys, array('keys' => array($addon => $key)));
update_option('simple-calendar_settings_licenses', $new_keys);
// Make sure there is a response.
if (is_wp_error($response)) {
wp_send_json_error(sprintf(__('There was an error processing your request: %s', 'google-calendar-events'), $response->get_error_message()));
}
// Decode the license data and save.
$license_data = json_decode(wp_remote_retrieve_body($response));
$status = simcal_get_license_status();
if ('deactivated' == $license_data->license) {
unset($status[$addon]);
update_option('simple-calendar_licenses_status', $status);
wp_send_json_success($license_data->license);
} elseif (in_array($license_data->license, array('valid', 'invalid'))) {
$status[$addon] = $license_data->license;
update_option('simple-calendar_licenses_status', $status);
$message = 'valid' == $license_data->license ? 'valid' : __('License key is invalid.', 'google-calendar-events');
wp_send_json_success($message);
} else {
wp_send_json_error('');
}
}
/**
* Test a connection to Google Calendar API.
*
* @since 3.0.0
*
* @param string $google_calendar_id
*
* @return true|string
*/
public function test_api_key_connection($google_calendar_id)
{
global $post;
$post_id = isset($post->ID) ? $post->ID : 0;
$feed = null;
if ($feed_type = wp_get_object_terms($post_id, 'calendar_feed')) {
$feed = sanitize_title(current($feed_type)->name);
}
$message = '';
$error = '';
$has_errors = false;
$message .= '<p class="description">' . sprintf(__('Step 1: Set the Google Calendar you want to use as <strong>"public."</strong> <a href="%1s" target="_blank">Detailed instructions</a>', 'google-calendar-events') . '<br />' . __('Step 2: Copy and paste your Google Calendar ID here. <a href="%2s" target="_blank">Detailed instructions</a>', 'google-calendar-events'), simcal_ga_campaign_url(simcal_get_url('docs') . '/make-google-calendar-public/', 'core-plugin', 'settings-link'), simcal_ga_campaign_url(simcal_get_url('docs') . '/find-google-calendar-id/', 'core-plugin', 'settings-link')) . '</p>';
if ($post_id > 0 && !is_null($feed) && !empty($this->feed->type)) {
$no_key_notice = new Notice(array('id' => array('calendar_' . $post_id => 'google-no-api-key'), 'type' => 'error', 'screen' => 'calendar', 'post' => $post_id, 'dismissable' => false, 'content' => '<p>' . '<i class="simcal-icon-warning"></i> ' . sprintf(__('Your Google Calendar events will not show up until you <a href="%s">create and save a Google API key</a>.', 'google-calendar-events'), admin_url('edit.php?post_type=calendar&page=simple-calendar_settings&tab=feeds')) . '</p>'));
if (empty($this->google_api_key) && $feed == $this->feed->type) {
$has_errors = true;
$no_key_notice->add();
} else {
$no_key_notice->remove();
try {
$this->feed->make_request($google_calendar_id);
} catch (\Exception $e) {
$error = $e->getMessage();
$message = !empty($error) ? '<blockquote>' . $error . '</blockquote>' : '';
}
$error_notice = new Notice(array('id' => array('calendar_' . $post_id => 'google-error-response'), 'type' => 'error', 'screen' => 'calendar', 'post' => $post_id, 'dismissable' => false, 'content' => '<p>' . '<i class="simcal-icon-warning"></i> ' . __('While trying to retrieve events, Google returned an error:', 'google-calendar-events') . '<br>' . $message . '<br>' . __('Please ensure that both your Google Calendar ID and API Key are valid and that the Google Calendar you want to display is public.', 'google-calendar-events') . '</p>'));
if (!empty($error) && $feed == $this->feed->type) {
$error_notice->add();
$has_errors = true;
} else {
$error_notice->remove();
$has_errors = false;
}
}
}
return $message;
}
/**
* Output the calendar markup.
*
* @since 3.0.0
*
* @param string $view The calendar view to display.
*/
public function html($view = '')
{
$view = empty($view) ? $this->view : $this->get_view($view);
if ($view instanceof Calendar_View) {
if (!empty($this->errors)) {
if (current_user_can('manage_options')) {
echo '<pre><code>';
foreach ($this->errors as $error) {
echo $error;
}
echo '</code></pre>';
}
} else {
// Get a CSS class from the class name of the calendar view (minus namespace part).
$view_name = implode('-', array_map('lcfirst', explode('_', strtolower(get_class($view)))));
$view_class = substr($view_name, strrpos($view_name, '\\') + 1);
$calendar_class = trim(implode(' simcal-', apply_filters('simcal_calendar_class', array('simcal-calendar', $this->type, $view_class), $this->id)));
echo '<div class="' . $calendar_class . '" ' . 'data-calendar-id="' . $this->id . '" ' . 'data-timezone="' . $this->timezone . '" ' . 'data-offset="' . $this->offset . '" ' . 'data-week-start="' . $this->week_starts . '" ' . 'data-calendar-start="' . $this->start . '" ' . 'data-calendar-end="' . $this->end . '" ' . 'data-events-first="' . $this->earliest_event . '" ' . 'data-events-last="' . $this->latest_event . '"' . '>';
date_default_timezone_set($this->timezone);
do_action('simcal_calendar_html_before', $this->id);
$view->html();
do_action('simcal_calendar_html_after', $this->id);
date_default_timezone_set($this->site_timezone);
$settings = get_option('simple-calendar_settings_calendars');
$poweredby = isset($settings['poweredby']['opt_in']) ? $settings['poweredby']['opt_in'] : '';
if ('yes' == $poweredby) {
$align = is_rtl() ? 'left' : 'right';
echo '<small class="simcal-powered simcal-align-' . $align . '">' . sprintf(__('Powered by <a href="%s" target="_blank">Simple Calendar</a>', 'google-calendar-events'), simcal_get_url('home')) . '</small>';
}
echo '</div>';
}
}
}
/**
* Output the credits screen.
*
* @since 3.0.0
*/
public function credits_screen()
{
?>
<div id="simcal-welcome">
<div class="wrap about-wrap credits-wrap">
<?php
$this->intro();
?>
<p class="about-description">
<?php
printf(__("Simple Calendar is created by a worldwide team of developers. If you'd like to contribute please visit our <a href='%s' target='_blank'>GitHub repo</a>.", 'google-calendar-events'), simcal_get_url('github'));
?>
</p>
<?php
echo $this->contributors();
?>
</div>
</div>
<?php
}
/**
* Links in plugin meta in plugins page.
*
* @since 3.0.0
*
* @param array $meta_links
* @param string $file
*
* @return array
*/
public static function plugin_row_meta($meta_links, $file)
{
if (self::$plugin == $file) {
$links = array();
$links['github'] = '<a href="' . simcal_get_url('github') . '" target="_blank" >GitHub</a>';
$links['documentation'] = '<a href="' . simcal_ga_campaign_url(simcal_get_url('docs'), 'core-plugin', 'plugin-listing') . '" target="_blank" >' . __('Documentation', 'google-calendar-events') . '</a>';
$links['support'] = '<a href="' . simcal_get_url('support') . '" target="_blank" >' . __('Support', 'google-calendar-events') . '</a>';
$links['add-ons'] = '<a href="' . simcal_ga_campaign_url(simcal_get_url('add-ons'), 'core-plugin', 'plugin-listing') . '" target="_blank" >' . __('Add-ons', 'google-calendar-events') . '</a>';
return apply_filters('simcal_plugin_action_links', array_merge($meta_links, $links));
}
return $meta_links;
}
/**
* Upgrade to Premium Add-ons HTML.
*
* @since 3.1.6
*
* @return void
*/
function simcal_upgrade_to_premium()
{
if ($screen = simcal_is_admin_screen()) {
?>
<div class="main">
<p class="heading centered">
<?php
_e('Some of the features included with our premium add-ons', 'google-calendar-events');
?>
</p>
<ul>
<li><div class="dashicons dashicons-yes"></div> <?php
_e('Display color coded events', 'google-calendar-events');
?>
</li>
<li><div class="dashicons dashicons-yes"></div> <?php
_e('Show week & day views', 'google-calendar-events');
?>
</li>
<li><div class="dashicons dashicons-yes"></div> <?php
_e('Fast view switching', 'google-calendar-events');
?>
</li>
<li><div class="dashicons dashicons-yes"></div> <?php
_e('Event titles & start times in grid', 'google-calendar-events');
?>
</li>
<li><div class="dashicons dashicons-yes"></div> <?php
_e('Limit event display times', 'google-calendar-events');
?>
</li>
<li><div class="dashicons dashicons-yes"></div> <?php
_e('Display private calendar events', 'google-calendar-events');
?>
</li>
<li><div class="dashicons dashicons-yes"></div> <?php
_e('Show attendees & RSVP status', 'google-calendar-events');
?>
</li>
<li><div class="dashicons dashicons-yes"></div> <?php
_e('Display attachments', 'google-calendar-events');
?>
</li>
<li><div class="dashicons dashicons-yes"></div> <?php
_e('Priority email support', 'google-calendar-events');
?>
</li>
</ul>
<div class="centered">
<a href="<?php
echo simcal_ga_campaign_url(simcal_get_url('addons'), 'core-plugin', 'sidebar-link');
?>
"
class="button-primary button-large" target="_blank">
<?php
_e('Upgrade to Premium Now', 'google-calendar-events');
?>
</a>
</div>
</div>
<?php
}
}
