/**
* @param array $book_contents
* @param array $metadata
*/
protected function createCover($book_contents, $metadata)
{
// Resize Image
if (!empty($metadata['pb_cover_image']) && !\Pressbooks\Image\is_default_cover($metadata['pb_cover_image'])) {
$source_path = \Pressbooks\Utility\get_media_path($metadata['pb_cover_image']);
} else {
$source_path = \Pressbooks\Image\default_cover_path();
}
$dest_image = sanitize_file_name(basename($source_path));
$dest_image = Sanitize\force_ascii($dest_image);
$dest_path = $this->tmpDir . '/OEBPS/assets/' . $dest_image;
$img = wp_get_image_editor($source_path);
if (!is_wp_error($img)) {
// Take the longest dimension of the image and resize.
// Cropping is turned off. The aspect ratio is maintained.
$img->resize(1563, 2500, false);
$img->save($dest_path);
$this->coverImage = $dest_image;
}
// HTML
$html = '<div id="cover-image">';
if ($this->coverImage) {
$html .= sprintf('<img src="assets/%s" alt="%s" />', $this->coverImage, get_bloginfo('name'));
}
$html .= "</div>\n";
// Create file, insert into manifest
$vars = array('post_title' => __('Cover', 'pressbooks'), 'stylesheet' => $this->stylesheet, 'post_content' => $html, 'isbn' => @$metadata['pb_ebook_isbn'], 'lang' => $this->lang);
$file_id = 'front-cover';
$filename = "{$file_id}.{$this->filext}";
file_put_contents($this->tmpDir . "/OEBPS/{$filename}", $this->loadTemplate($this->dir . '/templates/epub201/html.php', $vars));
$this->manifest[$file_id] = array('ID' => -1, 'post_title' => $vars['post_title'], 'filename' => $filename);
}
/**
* Get all data for an entire catalog, cached
*
* @return array
*/
function getAggregate()
{
// -----------------------------------------------------------------------------
// Is cached?
// -----------------------------------------------------------------------------
$cache_id = "cat-{$this->userId}";
$data = wp_cache_get($cache_id, 'pb');
if ($data) {
return $data;
}
// ----------------------------------------------------------------------------
// User Catalog
// ----------------------------------------------------------------------------
$cover_sizes = array('thumbnail' => PB_PLUGIN_URL . 'assets/dist/images/default-book-cover-100x100.jpg', 'pb_cover_small' => PB_PLUGIN_URL . 'assets/dist/images/default-book-cover-65x0.jpg', 'pb_cover_medium' => PB_PLUGIN_URL . 'assets/dist/images/default-book-cover-225x0.jpg', 'pb_cover_large' => PB_PLUGIN_URL . 'assets/dist/images/default-book-cover.jpg');
$catalog = $this->get();
$data = array();
$i = 0;
$already_loaded = array();
foreach ($catalog as $val) {
if (!get_blog_details($val['blogs_id'])) {
$data[$i]['ID'] = "{$val['users_id']}:{$val['blogs_id']}";
$data[$i]['users_id'] = $val['users_id'];
$data[$i]['blogs_id'] = $val['blogs_id'];
$data[$i]['deleted'] = 1;
} else {
switch_to_blog($val['blogs_id']);
$metadata = Book::getBookInformation();
$meta_version = get_option('pressbooks_metadata_version', 0);
$data[$i]['ID'] = "{$val['users_id']}:{$val['blogs_id']}";
$data[$i]['users_id'] = $val['users_id'];
$data[$i]['blogs_id'] = $val['blogs_id'];
$data[$i]['featured'] = $val['featured'];
$data[$i]['deleted'] = 0;
$data[$i]['title'] = !empty($metadata['pb_title']) ? $metadata['pb_title'] : get_bloginfo('name');
$data[$i]['author'] = @$metadata['pb_author'];
$data[$i]['pub_date'] = !empty($metadata['pb_publication_date']) ? date('Y-m-d', (int) $metadata['pb_publication_date']) : '';
$data[$i]['private'] = 1 == get_option('blog_public') ? 0 : 1;
// About
if (!empty($metadata['pb_about_50'])) {
$about = $metadata['pb_about_50'];
} elseif (!empty($metadata['pb_about_140'])) {
$about = $metadata['pb_about_140'];
} elseif (!empty($metadata['pb_about_unlimited'])) {
$about = $metadata['pb_about_unlimited'];
} else {
$about = '';
}
$data[$i]['about'] = $about;
// Cover Full
if ($meta_version < 7) {
$cover = PB_PLUGIN_URL . 'assets/dist/images/default-book-cover.jpg';
} elseif (empty($metadata['pb_cover_image'])) {
$cover = PB_PLUGIN_URL . 'assets/dist/images/default-book-cover.jpg';
} elseif (\Pressbooks\Image\is_default_cover($metadata['pb_cover_image'])) {
$cover = PB_PLUGIN_URL . 'assets/dist/images/default-book-cover.jpg';
} else {
$cover = \Pressbooks\Image\thumbnail_from_url($metadata['pb_cover_image'], 'full');
}
$data[$i]['cover_url']['full'] = $cover;
// Cover Thumbnails
/**
* Exposes $cover variable to be changed as-needed for cover images.
*
* Some users store their images on an outside server, which can result
* in cover images not displaying correctly. This gives users the option
* of altering $cover to point to the correct path to the cover image.
*
* @since 3.9.5.1
*
* @param string $cover The url to cover image.
* @param string $metadata['pb_cover_image'] The original url to the
* cover image.
*/
$cid = \Pressbooks\Image\attachment_id_from_url(apply_filters('pb_cover_image', $cover, $metadata['pb_cover_image']));
foreach ($cover_sizes as $size => $default) {
$cid_thumb = wp_get_attachment_image_src($cid, $size);
if ($cid_thumb) {
$data[$i]['cover_url'][$size] = $cid_thumb[0];
} else {
$data[$i]['cover_url'][$size] = $default;
}
}
// Tags
for ($j = 1; $j <= static::$maxTagsGroup; ++$j) {
$data[$i]["tag_{$j}"] = $this->getTagsByBook($val['blogs_id'], $j);
}
$already_loaded[$val['blogs_id']] = true;
++$i;
}
}
$userblogs = get_blogs_of_user($this->userId);
foreach ($userblogs as $book) {
// Skip
if (is_main_site($book->userblog_id)) {
continue;
}
if (isset($already_loaded[$book->userblog_id])) {
continue;
}
switch_to_blog($book->userblog_id);
$metadata = Book::getBookInformation();
$meta_version = get_option('pressbooks_metadata_version', 0);
$data[$i]['ID'] = "{$this->userId}:{$book->userblog_id}";
$data[$i]['users_id'] = $this->userId;
$data[$i]['blogs_id'] = $book->userblog_id;
$data[$i]['featured'] = 0;
$data[$i]['deleted'] = 1;
$data[$i]['title'] = !empty($metadata['pb_title']) ? $metadata['pb_title'] : get_bloginfo('name');
$data[$i]['author'] = @$metadata['pb_author'];
$data[$i]['pub_date'] = !empty($metadata['pb_publication_date']) ? date('Y-m-d', (int) $metadata['pb_publication_date']) : '';
$data[$i]['private'] = 1 == get_option('blog_public') ? 0 : 1;
// About
if (!empty($metadata['pb_about_50'])) {
$about = $metadata['pb_about_50'];
} elseif (!empty($metadata['pb_about_140'])) {
$about = $metadata['pb_about_140'];
} elseif (!empty($metadata['pb_about_unlimited'])) {
$about = $metadata['pb_about_unlimited'];
} else {
$about = '';
}
$data[$i]['about'] = $about;
// Cover Full
if ($meta_version < 7) {
$cover = PB_PLUGIN_URL . 'assets/dist/images/default-book-cover.jpg';
} elseif (empty($metadata['pb_cover_image'])) {
$cover = PB_PLUGIN_URL . 'assets/dist/images/default-book-cover.jpg';
} elseif (\Pressbooks\Image\is_default_cover($metadata['pb_cover_image'])) {
$cover = PB_PLUGIN_URL . 'assets/dist/images/default-book-cover.jpg';
} else {
$cover = \Pressbooks\Image\thumbnail_from_url($metadata['pb_cover_image'], 'full');
}
$data[$i]['cover_url']['full'] = $cover;
// Cover Thumbnails
/** This filter is documented in pressbooks/includes/class-pb-catalog.php */
$cid = \Pressbooks\Image\attachment_id_from_url(apply_filters('pb_cover_image', $cover, $metadata['pb_cover_image']));
foreach ($cover_sizes as $size => $default) {
$cid_thumb = wp_get_attachment_image_src($cid, $size);
if ($cid_thumb) {
$data[$i]['cover_url'][$size] = $cid_thumb[0];
} else {
$data[$i]['cover_url'][$size] = $default;
}
}
// Tags
for ($j = 1; $j <= static::$maxTagsGroup; ++$j) {
$data[$i]["tag_{$j}"] = $this->getTagsByBook($book->userblog_id, $j);
}
++$i;
}
restore_current_blog();
// -----------------------------------------------------------------------------
// Cache & Return
// -----------------------------------------------------------------------------
wp_cache_set($cache_id, $data, 'pb', 86400);
return $data;
}
/**
* Render cover image widget
*
* @param $form_id
* @param $cover_pid
* @param $image_url
* @param $ajax_action
* @param $nonce
* @param string $description (optional)
*/
function render_cover_image_box($form_id, $cover_pid, $image_url, $ajax_action, $nonce, $description = '')
{
?>
<div class="custom-metadata-field image">
<script type="text/javascript">
// <![CDATA[
jQuery.noConflict();
jQuery(document).ready(function($){
jQuery('#delete_cover_button').click(function(e) {
if (!confirm('<?php
esc_attr_e('Are you sure you want to delete this?', 'pressbooks');
?>
')) {
e.preventDefault();
return false;
}
var image_file = jQuery(this).attr('name');
var pid = jQuery('#cover_pid').attr('value');
jQuery.ajax({
url: ajaxurl,
type: 'POST',
data: {
action: '<?php
echo $ajax_action;
?>
',
filename: image_file,
pid: pid,
_ajax_nonce: '<?php
echo $nonce;
?>
'
},
success: function(data) {
jQuery('#delete_cover_button').remove();
jQuery("#cover_image_preview").fadeOut("slow", function () {
jQuery("#cover_image_preview").load(function () { //avoiding blinking, wait until loaded
jQuery("#cover_image_preview").fadeIn();
})
.attr('src', '<?php
echo \Pressbooks\Image\default_cover_url();
?>
');
});
}
});
});
});
// ]]>
</script>
<div class="<?php
echo $form_id;
?>
" id="<?php
echo $form_id;
?>
-1">
<?php
if ($image_url && !\Pressbooks\Image\is_default_cover($image_url)) {
?>
<p><img id="cover_image_preview" src="<?php
echo $image_url;
?>
" style="width:auto;height:100px;" alt="cover_image" /><br />
<button id="delete_cover_button" name="<?php
echo $image_url;
?>
" type="button" class="button-secondary" ><?php
_e('Delete', 'pressbooks');
?>
</button></p>
<p><input type="file" name="<?php
echo $form_id;
?>
" value="" id="<?php
echo $form_id;
?>
" /></p>
<input type="hidden" id="cover_pid" name="cover_pid" value="<?php
echo $cover_pid;
?>
" />
<?php
} else {
?>
<p><img id="cover_image_preview" src="<?php
echo \Pressbooks\Image\default_cover_url();
?>
" style="width:auto;height:100px;" alt="cover_image" /></p>
<p><input type="file" name="<?php
echo $form_id;
?>
" value="<?php
echo $image_url;
?>
" id="<?php
echo $form_id;
?>
" /></p>
<?php
}
?>
<?php
if ($description) {
?>
<span class="description"><?php
echo $description;
?>
</span><?php
}
?>
</div>
</div>
<?php
}