/**
* need to work out page_no, items_per_page, offset, etc
*
* This method will set the $this->_is_next_page and $this->is_previous_page
* flags.
*/
function _queryListing(&$HTTP_VARS)
{
// reset errors
$this->_errors = NULL;
$at_least_one_search_field_populated = FALSE;
$input_field_values_r = array();
$this->_search_query = NULL;
// need to get a list of all input field values to pass into the querySite call.
$results = fetch_site_plugin_input_field_rs($this->_type);
if ($results) {
while ($input_field_r = db_fetch_assoc($results)) {
if (isset($HTTP_VARS[$input_field_r['field']]) && strlen($HTTP_VARS[$input_field_r['field']]) > 0) {
$field_value = trim($HTTP_VARS[$input_field_r['field']]);
$at_least_one_search_field_populated = TRUE;
if ($input_field_r['field_type'] == 'scan-isbn' || $input_field_r['field_type'] == 'scan-upc') {
// Determine type of scanner.
if (strrpos($HTTP_VARS[$input_field_r['field']], '.')) {
// cuecat
if ($input_field_r['field_type'] == 'scan-isbn') {
$scanCode = get_cuecat_isbn_code($field_value);
} else {
$scanCode = get_cuecat_upc_code($field_value);
}
} else {
//non-cuecat or modified cuecat
if ($input_field_r['field_type'] == 'scan-isbn') {
$scanCode = get_isbn_code($field_value);
} else {
$scanCode = get_upc_code($field_value);
}
}
if ($scanCode !== FALSE) {
$field_value = $scanCode;
}
}
$input_field_values_r[$input_field_r['field']] = $field_value;
$this->_search_query[] = array('field' => $input_field_r['field'], 'value' => $field_value, 'prompt' => $input_field_r['prompt'], 'field_type' => $input_field_r['field_type']);
}
}
//while
db_free_result($results);
}
// only continue if at least one input field was populated with a value.
if ($at_least_one_search_field_populated) {
unset($this->_item_list_rs);
// initialise if not set.
if (!is_numeric($HTTP_VARS['page_no'])) {
$this->_page_no = 1;
} else {
$this->_page_no = $HTTP_VARS['page_no'];
}
if ($this->_page_no > 1) {
$this->_is_previous_page = TRUE;
} else {
$this->_is_previous_page = FALSE;
}
// default, must be overriden by the individual plugins.
$this->_is_next_page = FALSE;
$offset = 0;
if ($this->_items_per_page > 0 && $this->_page_no > 1) {
$offset = $this->_items_per_page * ($HTTP_VARS['page_no'] - 1) + 1;
}
$this->_total_count = 0;
// if its not a legal type, don't pass it on
if (!is_exists_item_type($HTTP_VARS['s_item_type'])) {
unset($HTTP_VARS['s_item_type']);
}
$this->_http_vars = $HTTP_VARS;
// do not want to pass page_no through
$this->_http_vars['page_no'] = NULL;
// now at this point we need to grab the $items_per_page and
// page_no values.
if ($this->queryListing($this->_page_no, $this->_items_per_page, $offset, $HTTP_VARS['s_item_type'], $input_field_values_r)) {
// no need for this anymore
$this->_http_vars = NULL;
// if a single item returned, we will populate the itemData at this point too
if ($this->getRowCount() == 1 && $this->isPreviousPage() === FALSE) {
$rowData = $this->getRowData(0);
$this->_item_data_r = NULL;
// call the queryItem function directly here.
$return_val = $this->_queryItem($rowData['attributes'], $HTTP_VARS['s_item_type']);
if ($return_val) {
return TRUE;
} else {
return FALSE;
}
} else {
// in some cases, the plugin will not be able to provide this
// information, but where it can, we can derive the is_next_page flag,
// other plugins, would have to call setNextPage() function instead.
if ($this->_items_per_page > 0 && $this->_total_count > $offset + $this->_items_per_page) {
$this->_is_next_page = TRUE;
}
// expect the call to querySite to set the is_next_page flag
return TRUE;
}
} else {
// no need for this anymore
$this->_http_vars = NULL;
return FALSE;
}
} else {
// if($at_least_one_search_field_populated)
// nothing found.
return TRUE;
}
}
function queryItem($search_attributes_r, $s_item_type)
{
// assumes we have an exact match here
$pageBuffer = $this->fetchURI("http://" . $this->url . "/gp/product/" . $search_attributes_r[$this->asinId]);
// no sense going any further here.
if (strlen($pageBuffer) == 0) {
return FALSE;
}
$pageBuffer = preg_replace('/[\\r\\n]+/', ' ', $pageBuffer);
$pageBuffer = preg_replace('/>[\\s]*</', '><', $pageBuffer);
//<span id="btAsinTitle">Prometheus (Blu-ray/ DVD + Digital Copy) (2012)</span>
//<span id="btAsinTitle" style="">Homeland: The Dark Elf Trilogy, Part 1 (Forgotten Realms: The Legend of Drizzt, Book I) (Bk. 1) <span style="text-transform:capitalize; font-size: 16px;">[Mass Market Paperback]</...
//<h1 class="a-size-large a-spacing-none" id="title"> Illustration School: Let's Draw Happy People <span class="a-size-medium a-color-secondary a-text-normal">Hardcover</span></h1>
//<span id="productTitle" class="a-size-large">Men in Black 3 [Blu-ray]</span>
if (preg_match("/<span id=\"btAsinTitle\"[^>]*>([^<]+)<\\/?span/s", $pageBuffer, $regs) || preg_match("/<span id=\"productTitle\"[^>]*?>([^<]+)<\\/span/s", $pageBuffer, $regs) || preg_match("/<h[^>]*?id=\"title\"[^>]*>([^<]+)</", $pageBuffer, $regs) || preg_match("/<b class=\"sans\">([^<]+)<\\/b>/s", $pageBuffer, $regs) || preg_match("/<b class=\"sans\">([^<]+)<!--/s", $pageBuffer, $regs)) {
$title = trim($regs[1]);
// If extra year appended, remove it and just get the title.
if (preg_match("/(.*)\\([0-9]+\\)\$/", $title, $regs2)) {
$title = $regs2[1];
}
$title = trim(str_replace("\"", "", $title));
if (($idx = strpos($title, '(Blu-ray')) !== FALSE) {
$title = substr($title, 0, $idx);
} else {
if (($idx = strpos($title, '[Blu-ray')) !== FALSE) {
$title = substr($title, 0, $idx);
}
}
$this->addItemAttribute('title', $title);
//Amazon.com: DVD: First Blood (Special Edition) (1982)
// Need to escape any (, ), [, ], :, .,
if (preg_match("/" . preg_quote($this->getItemAttribute('title'), "/") . " \\(([0-9]*)\\)/s", $pageBuffer, $regs)) {
$this->addItemAttribute('year', $regs[1]);
}
}
// a hack!
$upcId = get_upc_code($search_attributes_r['search.title']);
if ($upcId && $upcId != $this->getItemAttribute('title')) {
$this->addItemAttribute('upc_id', $upcId);
}
// ** Front Cover Image **
if (preg_match("!<img id=\"main-image\" src=\"([^\"]+)\"!s", $pageBuffer, $regs)) {
// remove image extras _xxx_.
$image = preg_replace('!(\\/[^.]+\\.)_[^.]+_\\.!', "\$1", $regs[1]);
$this->addItemAttribute('imageurl', $image);
} else {
if (preg_match("!registerImage\\(\"original_image[^\"]*\", \"([^\"]+)\"!", $pageBuffer, $regs)) {
// remove image extras _xxx_.
$image = preg_replace('!(\\/[^.]+\\.)_[^.]+_\\.!', "\$1", $regs[1]);
$this->addItemAttribute('imageurl', $image);
} else {
if (preg_match("!<img id=\"landingImage\".*?src=\"([^\"]+)\"!s", $pageBuffer, $regs)) {
// remove image extras _xxx_.
$image = preg_replace('!(\\/[^.]+\\.)_[^.]+_\\.!', "\$1", $regs[1]);
$this->addItemAttribute('imageurl', $image);
} else {
if (preg_match("!<img [^>]*?id=\"imgBlkFront\" [^>]*?src=\"([^\"]+)\"!s", $pageBuffer, $regs) || preg_match("!<img [^>]*?src=\"([^\"]+)\" [^>]*?id=\"imgBlkFront\"!s", $pageBuffer, $regs)) {
// remove image extras _xxx_.
$image = preg_replace('!(\\/[^.]+\\.)_[^.]+_\\.!', "\$1", $regs[1]);
$this->addItemAttribute('imageurl', $image);
}
}
}
}
// ** Back Cover Image **
if (preg_match("!<img [^>]*?id=\"imgBlkBack\" [^>]*?src=\"([^\"]+)\"!", $pageBuffer, $regs) || preg_match("!<img [^>]*?src=\"([^\"]+)\" [^>]*?id=\"imgBlkBack\"!", $pageBuffer, $regs)) {
// remove image extras _xxx_.
$image = preg_replace('!(\\/[^.]+\\.)_[^.]+_\\.!', "\$1", $regs[1]);
$this->addItemAttribute('imageurlb', $image);
}
if (preg_match_all("!registerImage\\(\"cust_image[^\"]*\", \"([^\"]+)\"!", $pageBuffer, $regs)) {
while (list(, $image) = each($regs[1])) {
// remove image extras _xxx_.
$image = preg_replace('!(\\/[^.]+\\.)_[^.]+_\\.!', "\$1", $image);
$this->addItemAttribute('cust_imageurl', $image);
}
}
//http://www.amazon.com/gp/product/product-description/0007136587/ref=dp_proddesc_0/002-1041562-0884857?ie=UTF8&n=283155&s=books
if (preg_match("!<a href=\"http://" . $this->url . "/gp/product/product-description/" . $search_attributes_r[$this->asinId] . "/[^>]*>See all Editorial Reviews</a>!", $pageBuffer, $regs) || preg_match("!<a href=\"http://" . $this->url . "/gp/product/product-description/" . $search_attributes_r[$this->asinId] . "/[^>]*>See all Reviews</a>!", $pageBuffer, $regs)) {
$reviewPage = $this->fetchURI("http://" . $this->url . "/gp/product/product-description/" . $search_attributes_r[$this->asinId] . "/reviews/");
if (strlen($reviewPage) > 0) {
$reviews = parse_amazon_reviews($reviewPage);
if (is_not_empty_array($reviews)) {
$this->addItemAttribute('blurb', $reviews);
}
}
} else {
$reviews = parse_amazon_reviews($pageBuffer);
if (is_not_empty_array($reviews)) {
$this->addItemAttribute('blurb', $reviews);
}
}
if (preg_match("/<span class=listprice>\\\$([^<]*)<\\/span>/i", $pageBuffer, $regs)) {
$this->addItemAttribute('listprice', $regs[1]);
} else {
if (preg_match("/<td class=\"listprice\">\\\$([^<]*)<\\/td>/i", $pageBuffer, $regs)) {
$this->addItemAttribute('listprice', $regs[1]);
} else {
if (preg_match("!>List Price:</[^\\\$]+\\\$([0-9\\.]+)!m", $pageBuffer, $regs)) {
$this->addItemAttribute('listprice', $regs[1]);
}
}
}
// amazon price value: <b class="priceLarge">$7.99</b>
if (preg_match("!<b class=\"(priceLarge|price)\">\\\$([^<]*)</b>!i", $pageBuffer, $regs)) {
$this->addItemAttribute('listprice', $regs[2]);
$this->addItemAttribute('price', $regs[2]);
}
//http://g-ec2.images-amazon.com/images/G/01/x-locale/common/customer-reviews/stars-4-0._V47081936_.gif
if (preg_match("!<li><b>Average Customer Review:</b>[\\s]*<img src=\".*?/stars-([^\\.]+).!i", $pageBuffer, $regs)) {
$amazonreview = str_replace('-', '.', $regs[1]);
$this->addItemAttribute('amznrating', $amazonreview);
$this->addItemAttribute('amazon_review', $amazonreview);
}
if (($startIndex = strpos($pageBuffer, "<h2>Look for Similar Items by Subject</h2>")) !== FALSE && ($endIndex = strpos($pageBuffer, "matching ALL checked", $startIndex)) !== FALSE) {
$subjectform = substr($pageBuffer, $startIndex, $endIndex - $startIndex);
if (preg_match_all("!<input type=\"checkbox\" name=\"field\\+keywords\" value=\"([^\"]+)\"!", $subjectform, $matches)) {
$this->addItemAttribute('genre', $matches[1]);
}
}
// Get the mapped AMAZON index type
$index_type = ifempty($this->getConfigValue('item_type_to_index_map', $s_item_type), strtolower($s_item_type));
switch ($index_type) {
case 'dvd':
case 'vhs':
$this->parse_amazon_video_data($search_attributes_r, $s_item_type, $pageBuffer);
break;
case 'videogames':
$this->parse_amazon_game_data($search_attributes_r, $pageBuffer);
break;
case 'books':
$this->parse_amazon_books_data($search_attributes_r, $pageBuffer);
break;
case 'music':
$this->parse_amazon_music_data($search_attributes_r, $pageBuffer);
break;
default:
//Not much here, but what else can we do?
break;
}
return TRUE;
}
