/**
* Parses book details from the given HTML book description.
*
* The resulting book-details array will have a subset of the following keys:
* - isbn
* - title
* - authors
* - edition
* - publisher
* - section_id
* - bookstore_id
* - bookstore_part_number
* - bookstore_used_price
* - bookstore_new_price
* - type
* - required_status
*
* @param string $html HTML for a book description on the bookstore website
* @return array An array of book details, or FALSE on error
*/
protected function parse_book_details($html)
{
if (strpos($html, 'Currently no textbook') || strpos($html, 'Pre-Order')) {
return FALSE;
}
$details = array();
if (preg_match("/value\\='(\\d{8})'/", $html, $matches)) {
$details['section_id'] = $matches[1];
}
if (preg_match("/ISBN\\:\\<\\/span\\>.+?(\\d+).+?\\</s", $html, $matches)) {
$isbn = ISBN::to13(trim($matches[1]), TRUE);
if ($isbn) {
$details['isbn'] = $isbn;
}
}
if (preg_match("/\\d{5}'\\stitle\\=\"(.+?)\"\\>.+?\\<img/s", $html, $matches)) {
$details['title'] = $this->title_case(trim(htmlspecialchars_decode($matches[1], ENT_QUOTES)));
}
if (preg_match("/\\<span\\>Author:.*?\\<\\/span\\>(.+?)\\<\\/li/s", $html, $matches)) {
$author = $this->ucname(trim($matches[1]));
$details['authors'] = is_numeric($author) ? "" : $author;
}
if (preg_match("/Edition:\\<\\/span\\>(.+?)\\<br/", $html, $matches)) {
$details['edition'] = strtolower(trim($matches[1]));
}
if (preg_match("/Publisher:\\<\\/span\\>(.+?)\\<br/", $html, $matches)) {
$details['publisher'] = $this->title_case(trim($matches[1]));
}
if (preg_match("/productId\\=(.+?)&/", $html, $matches)) {
$details['bookstore_id'] = trim($matches[1]);
}
if (preg_match("/partNumber\\=(.+?)&/", $html, $matches)) {
$details['bookstore_part_number'] = rtrim($matches[1], "&");
}
if (preg_match("/Used.+?(\\d{1,3}\\.\\d{2})/s", $html, $matches)) {
$details['bookstore_used_price'] = $matches[1];
}
if (preg_match("/New.+?(\\d{1,3}\\.\\d{2})/s", $html, $matches)) {
$details['bookstore_new_price'] = $matches[1];
}
$options = array("REQUIRED\\sPACKAGE", "RECOMMENDED\\sPACKAGE", "REQUIRED", "RECOMMENDED", "PACKAGE\\sCOMPONENT", "GO\\sTO\\sCLASS\\sFIRST", "BOOKSTORE\\sRECOMMENDED");
preg_match("/" . implode('|', $options) . "/", $html, $matches);
$required = trim($matches[0]);
if ($required == "REQUIRED PACKAGE" || $required == "RECOMMENDED PACKAGE") {
$type = Book_model::PACKAGE;
} else {
if ($required == "PACKAGE COMPONENT") {
$type = Book_model::PACKAGE_COMPONENT;
} else {
$type = Book_model::BOOK;
}
}
$details['type'] = $type;
if ($required == "REQUIRED PACKAGE" || $required == "REQUIRED") {
$required = Book_model::REQUIRED;
} else {
if ($required == "RECOMMENDED PACKAGE" || $required == "RECOMMENDED") {
$required = Book_model::RECOMMENDED;
} else {
if ($required == "GO TO CLASS FIRST") {
$required = Book_model::GO_TO_CLASS_FIRST;
} else {
if ($required == "BOOKSTORE RECOMMENDED") {
$required = Book_model::BOOKSTORE_RECOMMENDED;
} else {
$required = Book_model::REQUIRED;
}
}
}
}
$details['required_status'] = $required;
return $details;
}