/**
* Load items by the given categories or collection ID
* After the Items are loaded create a map of loaded items by categories
*
* @param array of category ids
* @param integer collection ID
* @return boolean true if load items was required and it was loaded successfully, false otherwise
*/
function load_by_categories($cat_array, $coll_ID)
{
global $DB, $posttypes_specialtypes;
if (empty($cat_array) && empty($coll_ID)) {
// Nothing to load
return false;
}
// In case of an empty cat_array param, use categoriesfrom the given collection
if (empty($cat_array)) {
// Get all categories from the given subset
$ChapterCache =& get_ChapterCache();
$subset_chapters = $ChapterCache->get_chapters_by_subset($coll_ID);
$cat_array = array();
foreach ($subset_chapters as $Chapter) {
$cat_array[] = $Chapter->ID;
}
}
// Check which category is not loaded
$not_loaded_cat_ids = array();
foreach ($cat_array as $cat_ID) {
if (!isset($this->items_by_cat_map[$cat_ID])) {
// This category is not loaded
$not_loaded_cat_ids[] = $cat_ID;
// Initialize items_by_cat_map for this cat_ID
$this->items_by_cat_map[$cat_ID] = array('items' => array(), 'sorted' => false);
}
}
if (empty($not_loaded_cat_ids)) {
// Requested categories items are all loaded
return false;
}
// Query to load all Items from the given categories
$sql = 'SELECT postcat_cat_ID as cat_ID, postcat_post_ID as post_ID FROM T_postcats
WHERE postcat_cat_ID IN ( ' . implode(', ', $not_loaded_cat_ids) . ' )
ORDER BY postcat_post_ID';
$cat_posts = $DB->get_results($sql, ARRAY_A, 'Get all category post ids pair by category');
// Initialize $Blog from coll_ID
$BlogCache =& get_BlogCache();
$Blog = $BlogCache->get_by_ID($coll_ID);
$visibility_statuses = is_admin_page() ? get_visibility_statuses('keys', array('trash')) : get_inskin_statuses($coll_ID, 'post');
// Create ItemQuery for loading visible items
$ItemQuery = new ItemQuery($this->dbtablename, $this->dbprefix, $this->dbIDname);
// Set filters what to select
$ItemQuery->SELECT($this->dbtablename . '.*');
$ItemQuery->where_chapter2($Blog, $not_loaded_cat_ids, "");
$ItemQuery->where_visibility($visibility_statuses);
$ItemQuery->where_datestart(NULL, NULL, NULL, NULL, $Blog->get_timestamp_min(), $Blog->get_timestamp_max());
$ItemQuery->where_types('-' . implode(',', $posttypes_specialtypes));
// Clear previous items from the cache and load by the defined SQL
$this->clear(true);
$this->load_by_sql($ItemQuery);
foreach ($cat_posts as $row) {
// Iterate through the post - cat pairs and fill the map
if (empty($this->cache[$row['post_ID']])) {
// The Item was not loaded because it does not correspond to the defined filters
continue;
}
// Add to the map
$this->items_by_cat_map[$row['cat_ID']]['items'][] = $this->get_by_ID($row['post_ID']);
}
}
/**
* Display the widget!
*
* @param array MUST contain at least the basic display params
*/
function display($params)
{
global $localtimenow, $DB, $Blog;
$this->init_display($params);
$blog_ID = intval($this->disp_params['blog_ID']);
if (empty($blog_ID)) {
// Use current blog by default
$blog_ID = $Blog->ID;
}
$BlogCache =& get_BlogCache();
if (!$BlogCache->get_by_ID($blog_ID, false, false)) {
// No blog exists
return;
}
// Display photos:
// TODO: permissions, complete statuses...
// TODO: A FileList object based on ItemListLight but adding File data into the query?
// overriding ItemListLigth::query() for starters ;)
// Init caches
$FileCache =& get_FileCache();
$ItemCache =& get_ItemCache();
// Query list of files and posts fields:
// Note: We use ItemQuery to get attachments from all posts which should be visible ( even in case of aggregate blogs )
$ItemQuery = new ItemQuery($ItemCache->dbtablename, $ItemCache->dbprefix, $ItemCache->dbIDname);
$ItemQuery->SELECT('post_ID, post_datestart, post_datemodified, post_main_cat_ID, post_urltitle, post_canonical_slug_ID,
post_tiny_slug_ID, post_ityp_ID, post_title, post_excerpt, post_url, file_ID, file_type,
file_title, file_root_type, file_root_ID, file_path, file_alt, file_desc, file_path_hash');
$ItemQuery->FROM_add('INNER JOIN T_links ON post_ID = link_itm_ID');
$ItemQuery->FROM_add('INNER JOIN T_files ON link_file_ID = file_ID');
$ItemQuery->where_chapter($blog_ID);
if ($this->disp_params['item_visibility'] == 'public') {
// Get images only of the public items
$ItemQuery->where_visibility(array('published'));
} else {
// Get image of all available posts for current user
$ItemQuery->where_visibility(NULL);
}
$ItemQuery->WHERE_and('( file_type = "image" ) OR ( file_type IS NULL )');
$ItemQuery->WHERE_and('post_datestart <= \'' . remove_seconds($localtimenow) . '\'');
$ItemQuery->WHERE_and('link_position != "cover"');
if (!empty($this->disp_params['item_type'])) {
// Get items only with specified type
$ItemQuery->WHERE_and('post_ityp_ID = ' . intval($this->disp_params['item_type']));
}
$ItemQuery->GROUP_BY('link_ID');
// fp> TODO: because no way of getting images only, we get 4 times more data than requested and hope that 25% at least will be images :/
// asimo> This was updated and we get images and those files where we don't know the file type yet. Now we get 2 times more data than requested.
// Maybe it would be good to get only the requested amount of files, because after a very short period the file types will be set for all images.
$ItemQuery->LIMIT(intval($this->disp_params['limit']) * 2);
$ItemQuery->ORDER_BY(gen_order_clause($this->disp_params['order_by'], $this->disp_params['order_dir'], 'post_', 'post_ID ' . $this->disp_params['order_dir'] . ', link_ID'));
// Init FileList with the above defined query
$FileList = new DataObjectList2($FileCache);
$FileList->sql = $ItemQuery->get();
$FileList->query(false, false, false, 'Media index widget');
$layout = $this->disp_params['thumb_layout'];
$nb_cols = $this->disp_params['grid_nb_cols'];
$count = 0;
$r = '';
/**
* @var File
*/
while ($File =& $FileList->get_next()) {
if ($count >= $this->disp_params['limit']) {
// We have enough images already!
break;
}
if (!$File->is_image()) {
// Skip anything that is not an image
// Only images are selected or those files where we don't know the file type yet.
// This check is only for those files where we don't know the filte type. The file type will be set during the check.
continue;
}
if ($layout == 'grid') {
// Grid layout
if ($count % $nb_cols == 0) {
$r .= $this->disp_params['grid_colstart'];
}
$r .= $this->disp_params['grid_cellstart'];
} elseif ($layout == 'flow') {
// Flow block layout
$r .= $this->disp_params['flow_block_start'];
} else {
// List layout
$r .= $this->disp_params['item_start'];
}
// 1/ Hack a dirty permalink( will redirect to canonical):
// $link = url_add_param( $Blog->get('url'), 'p='.$post_ID );
// 2/ Hack a link to the right "page". Very daring!!
// $link = url_add_param( $Blog->get('url'), 'paged='.$count );
// 3/ Instantiate a light object in order to get permamnent url:
$ItemLight = new ItemLight($FileList->get_row_by_idx($FileList->current_idx - 1));
// index had already been incremented
$r .= '<a href="' . $ItemLight->get_permanent_url() . '">';
// Generate the IMG THUMBNAIL tag with all the alt, title and desc if available
$r .= $File->get_thumb_imgtag($this->disp_params['thumb_size'], '', '', $ItemLight->title);
$r .= '</a>';
if ($this->disp_params['disp_image_title']) {
// Dislay title of image or item
$title = $File->get('title') ? $File->get('title') : $ItemLight->title;
if (!empty($title)) {
$r .= '<span class="note">' . $title . '</span>';
}
}
++$count;
if ($layout == 'grid') {
// Grid layout
$r .= $this->disp_params['grid_cellend'];
if ($count % $nb_cols == 0) {
$r .= $this->disp_params['grid_colend'];
}
} elseif ($layout == 'flow') {
// Flow block layout
$r .= $this->disp_params['flow_block_end'];
} else {
// List layout
$r .= $this->disp_params['item_end'];
}
}
// Exit if no files found
if (empty($r)) {
return;
}
echo $this->disp_params['block_start'];
// Display title if requested
$this->disp_title();
echo $this->disp_params['block_body_start'];
if ($layout == 'grid') {
// Grid layout
echo $this->disp_params['grid_start'];
} elseif ($layout == 'flow') {
// Flow block layout
echo $this->disp_params['flow_start'];
} else {
// List layout
echo $this->disp_params['list_start'];
}
echo $r;
if ($layout == 'grid') {
// Grid layout
if ($count && $count % $nb_cols != 0) {
echo $this->disp_params['grid_colend'];
}
echo $this->disp_params['grid_end'];
} elseif ($layout == 'flow') {
// Flow block layout
echo $this->disp_params['flow_end'];
} else {
// List layout
echo $this->disp_params['list_end'];
}
echo $this->disp_params['block_body_end'];
echo $this->disp_params['block_end'];
return true;
}