/**
* This handles a sideloaded file in the same way as an uploaded file is handled by {@link media_handle_upload()}
*
* @since 2.6.0
*
* @param array $file_array Array similar to a {@link $_FILES} upload array
* @param int $post_id The post ID the media is associated with
* @param string $desc Description of the sideloaded file
* @param array $post_data allows you to overwrite some of the attachment
* @return int|object The ID of the attachment or a nxt_Error on failure
*/
function media_handle_sideload($file_array, $post_id, $desc = null, $post_data = array())
{
$overrides = array('test_form' => false);
$file = nxt_handle_sideload($file_array, $overrides);
if (isset($file['error'])) {
return new nxt_Error('upload_error', $file['error']);
}
$url = $file['url'];
$type = $file['type'];
$file = $file['file'];
$title = preg_replace('/\\.[^.]+$/', '', basename($file));
$content = '';
// use image exif/iptc data for title and caption defaults if possible
if ($image_meta = @nxt_read_image_metadata($file)) {
if (trim($image_meta['title']) && !is_numeric(sanitize_title($image_meta['title']))) {
$title = $image_meta['title'];
}
if (trim($image_meta['caption'])) {
$content = $image_meta['caption'];
}
}
if (isset($desc)) {
$title = $desc;
}
// Construct the attachment array
$attachment = array_merge(array('post_mime_type' => $type, 'guid' => $url, 'post_parent' => $post_id, 'post_title' => $title, 'post_content' => $content), $post_data);
// This should never be set as it would then overwrite an existing attachment.
if (isset($attachment['ID'])) {
unset($attachment['ID']);
}
// Save the attachment metadata
$id = nxt_insert_attachment($attachment, $file, $post_id);
if (!is_nxt_error($id)) {
nxt_update_attachment_metadata($id, nxt_generate_attachment_metadata($id, $file));
}
return $id;
}
/**
* Generate post thumbnail attachment meta data.
*
* @since 2.1.0
*
* @param int $attachment_id Attachment Id to process.
* @param string $file Filepath of the Attached image.
* @return mixed Metadata for attachment.
*/
function nxt_generate_attachment_metadata($attachment_id, $file)
{
$attachment = get_post($attachment_id);
$metadata = array();
if (preg_match('!^image/!', get_post_mime_type($attachment)) && file_is_displayable_image($file)) {
$imagesize = getimagesize($file);
$metadata['width'] = $imagesize[0];
$metadata['height'] = $imagesize[1];
list($uwidth, $uheight) = nxt_constrain_dimensions($metadata['width'], $metadata['height'], 128, 96);
$metadata['hwstring_small'] = "height='{$uheight}' width='{$uwidth}'";
// Make the file path relative to the upload dir
$metadata['file'] = _nxt_relative_upload_path($file);
// make thumbnails and other intermediate sizes
global $_nxt_additional_image_sizes;
foreach (get_intermediate_image_sizes() as $s) {
$sizes[$s] = array('width' => '', 'height' => '', 'crop' => FALSE);
if (isset($_nxt_additional_image_sizes[$s]['width'])) {
$sizes[$s]['width'] = intval($_nxt_additional_image_sizes[$s]['width']);
} else {
$sizes[$s]['width'] = get_option("{$s}_size_w");
}
// For default sizes set in options
if (isset($_nxt_additional_image_sizes[$s]['height'])) {
$sizes[$s]['height'] = intval($_nxt_additional_image_sizes[$s]['height']);
} else {
$sizes[$s]['height'] = get_option("{$s}_size_h");
}
// For default sizes set in options
if (isset($_nxt_additional_image_sizes[$s]['crop'])) {
$sizes[$s]['crop'] = intval($_nxt_additional_image_sizes[$s]['crop']);
} else {
$sizes[$s]['crop'] = get_option("{$s}_crop");
}
// For default sizes set in options
}
$sizes = apply_filters('intermediate_image_sizes_advanced', $sizes);
foreach ($sizes as $size => $size_data) {
$resized = image_make_intermediate_size($file, $size_data['width'], $size_data['height'], $size_data['crop']);
if ($resized) {
$metadata['sizes'][$size] = $resized;
}
}
// fetch additional metadata from exif/iptc
$image_meta = nxt_read_image_metadata($file);
if ($image_meta) {
$metadata['image_meta'] = $image_meta;
}
}
return apply_filters('nxt_generate_attachment_metadata', $metadata, $attachment_id);
}
