/**
* Handles updating an idea
*
* @package WP Idea Stream
* @subpackage ideas/functions
*
* @since 2.0.0
*
* @uses check_admin_referer() to check the request has been done from current site
* @uses wp_idea_stream_get_redirect_url() to get default redirect url
* @uses get_query_var() to get the value of a specific query var
* @uses wp_idea_stream_get_post_type() to get the ideas post type identifier
* @uses get_queried_object() to try to get the idea object WordPress built
* @uses wp_idea_stream_ideas_get_idea_by_name() to get an idea object out of its post name
* @uses wp_idea_stream_user_can() to check user's capability
* @uses wp_idea_stream_add_message() to add a feddback message to user
* @uses wp_safe_redirect() to safely redirect the user and avoid duplicates
* @uses wp_idea_stream_ideas_save_idea() to save the idea
* @uses wp_idea_stream_get_form_url() to get the add new form url
* @uses wp_idea_stream_ideas_get_idea_permalink() to get the idea link
*/
function wp_idea_stream_ideas_update_idea()
{
global $wp_query;
// Bail if not a post request
if ('POST' != strtoupper($_SERVER['REQUEST_METHOD'])) {
return;
}
// Bail if not a post idea request
if (empty($_POST['wp_idea_stream']) || !is_array($_POST['wp_idea_stream'])) {
return;
}
// Bail if it's not an update
if (empty($_POST['wp_idea_stream']['_the_id'])) {
return;
}
// Check nonce
check_admin_referer('wp_idea_stream_save');
$redirect = wp_idea_stream_get_redirect_url();
// Get idea name
$idea_name = get_query_var(wp_idea_stream_get_post_type());
// Get Idea Object
$idea = get_queried_object();
// If queried object doesn't match or wasn't helpfull, try to get the idea using core function
if (empty($idea->post_name) || empty($idea_name) || $idea_name != $idea->post_name) {
$idea = wp_idea_stream_ideas_get_idea_by_name($idea_name);
}
// Found no idea, redirect and inform the user
if (empty($idea->ID)) {
wp_idea_stream_add_message(array('type' => 'error', 'content' => __('The idea you are trying to edit does not seem to exist.', 'wp-idea-stream')));
// Redirect to main archive page
wp_safe_redirect($redirect);
exit;
}
// Checks if the user can edit the idea
if (!wp_idea_stream_ideas_can_edit($idea)) {
// Add feedback to the user
wp_idea_stream_add_message(array('type' => 'error', 'content' => __('You are not allowed to edit this idea.', 'wp-idea-stream')));
// Redirect to main archive page
wp_safe_redirect($redirect);
exit;
}
$updated = array_diff_key($_POST['wp_idea_stream'], array('save' => 'submit'));
// Title & content are required
if (empty($updated['_the_title']) || empty($updated['_the_content'])) {
// Add feedback to the user
wp_idea_stream_add_message(array('type' => 'error', 'content' => __('Title and description are required fields.', 'wp-idea-stream')));
// Simply stop, so that the user keeps the posted values.
return;
}
// Reset '_the_id' param to the ID of the idea found
$updated['_the_id'] = $idea->ID;
$feedback_message = array();
$featured_error = __('There was a problem saving the featured image, sorry.', 'wp-idea-stream');
$featured_type = 'info';
// Take care of the featured image
$thumbnail_id = (int) get_post_thumbnail_id($idea);
if (!empty($updated['_the_thumbnail'])) {
$thumbnail_src = key($updated['_the_thumbnail']);
$thumbnail = reset($updated['_the_thumbnail']);
// Update the Featured image
if (!is_numeric($thumbnail) || $thumbnail_id !== (int) $thumbnail) {
if (is_numeric($thumbnail)) {
// validate the attachment
if (!get_post($thumbnail)) {
$feedback_message[] = $featured_error;
// Set the new Featured image
} else {
set_post_thumbnail($idea->ID, $thumbnail);
}
} else {
$sideload = WP_Idea_Stream_Ideas_Thumbnail::start($thumbnail_src, $idea->ID);
if (is_wp_error($sideload->result)) {
$feedback_message[] = $featured_error;
}
}
}
// Delete the featured image
} elseif (!empty($thumbnail_id)) {
delete_post_thumbnail($idea);
}
// Update the idea
$id = wp_idea_stream_ideas_save_idea($updated);
if (empty($id)) {
// Set the feedback for the user
$featured_type = 'error';
$feedback_message = __('Something went wrong while trying to update your idea.', 'wp-idea-stream');
// Redirect to the form
$redirect = wp_idea_stream_get_form_url(wp_idea_stream_edit_slug(), $idea_name);
// Redirect to the idea
} else {
$redirect = wp_idea_stream_ideas_get_idea_permalink($id);
}
if (!empty($feedback_message)) {
// Add feedback to the user
wp_idea_stream_add_message(array('type' => $featured_type, 'content' => join(' ', $feedback_message)));
}
wp_safe_redirect($redirect);
exit;
}
/**
* Displays the list of inserted images to let the user
* choose the one he wishes to use as the Idea Featured image
*
* @since 2.3.0
*
* @return string HTML Output
*/
function wp_idea_stream_ideas_the_images_list()
{
if (!wp_idea_stream_featured_images_allowed() || !current_theme_supports('post-thumbnails')) {
return;
}
$selected = false;
$content = '';
$srcs = array();
$wp_idea_stream = wp_idea_stream();
$class = ' class="hidden"';
// There was an error eg: missing title
if (!empty($_POST['wp_idea_stream']['_the_content'])) {
$content = wp_unslash($_POST['wp_idea_stream']['_the_content']);
// Did the user selected a featured image ?
if (!empty($_POST['wp_idea_stream']['_the_thumbnail'])) {
$selected = (array) $_POST['wp_idea_stream']['_the_thumbnail'];
$selected = reset($selected);
}
// Are we editing an idea ?
} else {
if (!empty($wp_idea_stream->query_loop->idea->post_content)) {
$idea = $wp_idea_stream->query_loop->idea;
$content = $idea->post_content;
// Try to get the current featured image
$selected = (int) get_post_thumbnail_id($idea);
if (!empty($selected)) {
$original_url = get_post_meta($selected, '_ideastream_original_src', true);
if (empty($original_url)) {
$original_url = wp_get_attachment_url($selected);
}
$srcs = array($original_url => $selected);
}
/**
* Get all idea attachments (those who have an _ideastream_original_url meta)
*
* We need to do this in case the featured image was edited and for some reason the
* user deleted one or more images from the content
*/
$srcs = array_replace($srcs, WP_Idea_Stream_Ideas_Thumbnail::get_idea_attachments($idea->ID));
}
}
// Find image into the content
if (!empty($content)) {
$class = '';
if (false !== stripos($content, 'src=')) {
preg_match_all('#src=(["\'])([^"\']+)\\1#i', $content, $img_srcs);
if (!empty($img_srcs[2])) {
// Avoid duplicates
$content_srcs = array_unique($img_srcs[2]);
// Create a non numeric keys array
$content_srcs = array_combine($content_srcs, $content_srcs);
/**
* Make sure to use attachment ids if some were found earlier
*/
$srcs = array_replace($content_srcs, $srcs);
}
}
}
// Can be an attachment ID
if (!empty($selected)) {
if (is_numeric($selected)) {
$selected = (int) $selected;
// Or an url
} else {
$selected = esc_url($selected);
}
}
?>
<div id="idea-images-list"<?php
echo $class;
?>
>
<label><?php
esc_html_e('Select the featured image for your idea.', 'wp-idea-stream');
?>
</label>
<?php
if (!empty($srcs)) {
?>
<ul>
<?php
foreach ($srcs as $ksrc => $src) {
?>
<li>
<img src="<?php
echo esc_url($ksrc);
?>
"/>
<?php
if (is_numeric($src)) {
$thumbnail = (int) $src;
} else {
$thumbnail = esc_url($src);
}
?>
<div class="cb-container">
<input type="checkbox" name="wp_idea_stream[_the_thumbnail][<?php
echo esc_url_raw($ksrc);
?>
]" value="<?php
echo $thumbnail;
?>
" <?php
checked($selected, $thumbnail);
?>
/>
</div>
</li>
<?php
}
?>
</ul>
<?php
}
?>
</div>
<?php
}
/**
* Starting point.
*
* @param string $src the link to the image to side upload
* @param int $post_id the ID of the post set the featured image for
*/
public static function start($src = '', $post_id = 0)
{
if (empty($src) || empty($post_id)) {
return new WP_Error('missing_argument');
}
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self($src, $post_id);
}
return self::$instance;
}