function fetch_assets($args)
{
# load assets
if (isset($args['blog_id'])) {
$blog_filter = 'and asset_blog_id = ' . intval($args['blog_id']);
}
# Adds a thumbnail filter to the filters list.
if (isset($args['exclude_thumb']) && $args['exclude_thumb']) {
$thumb_filter = ' and asset_parent is null';
}
# Adds a tag filter to the filters list.
if (isset($args['tags']) or isset($args['tag'])) {
$tag_arg = isset($args['tag']) ? $args['tag'] : $args['tags'];
require_once "MTUtil.php";
if (!preg_match('/\\b(AND|OR|NOT)\\b|\\(|\\)/i', $tag_arg)) {
$not_clause = false;
} else {
$not_clause = preg_match('/\\bNOT\\b/i', $tag_arg);
}
$include_private = 0;
$tag_array = tag_split($tag_arg);
foreach ($tag_array as $tag) {
if ($tag && substr($tag, 0, 1) == '@') {
$include_private = 1;
}
}
$tags =& $this->fetch_asset_tags(array('blog_id' => $blog_id, 'tag' => $tag_arg, 'include_private' => $include_private));
if (!is_array($tags)) {
$tags = array();
}
$cexpr = create_tag_expr_function($tag_arg, $tags, 'asset');
if ($cexpr) {
$tmap = array();
$tag_list = array();
foreach ($tags as $tag) {
$tag_list[] = $tag['tag_id'];
}
$ot =& $this->fetch_objecttags(array('tag_id' => $tag_list, 'datasource' => 'asset'));
if ($ot) {
foreach ($ot as $o) {
$tmap[$o['objecttag_object_id']][$o['objecttag_tag_id']]++;
if (!$not_clause) {
$asset_list[$o['objecttag_object_id']] = 1;
}
}
}
$ctx['t'] =& $tmap;
$filters[] = $cexpr;
} else {
return null;
}
}
# Adds an author filter
if (isset($args['author'])) {
$author_filter = 'and author_name = \'' . $this->escape($args['author']) . "'";
}
# Adds an entry filter
if (isset($args['entry_id'])) {
$entry_filter = 'and (objectasset_object_ds = \'entry\' and objectasset_object_id = \'' . $this->escape($args['entry_id']) . '\' and asset_id = objectasset_asset_id)';
$entry_join = ', mt_objectasset.*';
$entry_join_tbl = ', mt_objectasset';
}
# Adds an ID filter
if (isset($args['id'])) {
if ($args['id'] == '') {
return null;
}
$id_filter = 'and asset_id = ' . $args['id'];
}
# Adds a days filter
if (isset($args['days'])) {
$day_filter = 'and ' . $this->limit_by_day_sql('asset_created_on', intval($args['days']));
}
# Adds a type filter
if (isset($args['type'])) {
$type_filter = "and asset_class ='" . $args['type'] . "'";
}
# Adds a file extension filter
if (isset($args['file_ext'])) {
$ext_filter = "and asset_file_ext ='" . $args['file_ext'] . "'";
}
# Adds a score or rate filter to the filters list.
if (isset($args['namespace'])) {
require_once "MTUtil.php";
$arg_names = array('min_score', 'max_score', 'min_rate', 'max_rate', 'min_count', 'max_count');
foreach ($arg_names as $n) {
if (isset($args[$n])) {
$rating_args = $args[$n];
$cexpr = create_rating_expr_function($rating_args, $n, $args['namespace'], 'asset');
if ($cexpr) {
$filters[] = $cexpr;
} else {
return null;
}
}
}
if (isset($args['scored_by'])) {
$voter = $this->fetch_author_by_name($args['scored_by']);
if (!$voter) {
echo "Invalid scored by filter: " . $args['scored_by'];
return null;
}
$cexpr = create_rating_expr_function($voter['author_id'], 'scored_by', $args['namespace'], 'asset');
if ($cexpr) {
$filters[] = $cexpr;
} else {
return null;
}
}
}
# Adds sort order
$order = 'desc';
$sort_by = 'asset_created_on';
if (isset($args['sort_order'])) {
if ($args['sort_order'] == 'ascend') {
$order = 'asc';
} else {
if ($args['sort_order'] == 'descend') {
$order = 'desc';
}
}
}
if (isset($args['sort_by'])) {
if ('score' != $args['sort_by'] && 'rate' != $args['sort_by']) {
$sort_by = 'asset_' . $args['sort_by'];
}
}
if (isset($args['lastn'])) {
$order = 'desc';
}
$join_score = "";
$distinct = "";
if (isset($args['sort_by']) && ($args['sort_by'] == 'score' || $args['sort_by'] == 'rate')) {
$join_score = "left join mt_objectscore on objectscore_object_id = asset_id";
$distinct = " distinct";
}
$limit = 0;
$offset = 0;
if (isset($args['lastn'])) {
$limit = $args['lastn'];
}
if (isset($args['limit'])) {
$limit = $args['limit'];
}
if (isset($args['offset'])) {
$offset = $args['offset'];
}
if (count($filters)) {
$post_select_limit = $limit;
$post_select_offset = $offset;
$limit = 0;
$offset = 0;
}
# Build SQL
$sql = "\n select {$distinct} mt_asset.*, mt_author.* {$entry_join}\n from mt_asset {$join_score}, mt_author {$entry_join_tbl}\n where\n author_id = asset_created_by\n {$id_filter}\n {$blog_filter}\n {$author_filter}\n {$entry_filter}\n {$day_filter}\n {$type_filter}\n {$ext_filter}\n {$thumb_filter}\n order by\n {$sort_by} {$order}\n <LIMIT>\n ";
# Added Limit and offset
$sql = $this->apply_limit_sql($sql, $limit, $offset);
# Fetch resultset
$result = $this->query_start($sql);
if (!$result) {
return null;
}
$assets = array();
$offset = $post_select_offset ? $post_select_offset : 0;
$limit = $post_select_limit ? $post_select_limit : 0;
while (true) {
$e = $this->query_fetch(ARRAY_A);
if ($offset && $j++ < $offset) {
continue;
}
if (!isset($e)) {
break;
}
if (count($filters)) {
foreach ($filters as $f) {
if (!$f($e, $ctx)) {
continue 2;
}
}
}
$e = $this->expand_meta($e);
$assets[] = $e;
if ($limit > 0 && count($assets) >= $limit) {
break;
}
}
$order = 'desc';
if (isset($args['sort_order'])) {
if ($args['sort_order'] == 'ascend') {
$order = 'asc';
} else {
if ($args['sort_order'] == 'descend') {
$order = 'desc';
}
}
}
if (isset($args['sort_by']) && 'score' == $args['sort_by']) {
$assets_tmp = array();
foreach ($assets as $a) {
$assets_tmp[$a['asset_id']] = $a;
}
$scores = $this->fetch_sum_scores($args['namespace'], 'asset', $order, $id_filter . "\n" . $blog_filter . "\n" . $author_filter . "\n" . $day_filter . "\n" . $type_filter . "\n" . $ext_filter . "\n" . $thumb_filter . "\n");
$assets_sorted = array();
foreach ($scores as $score) {
if (array_key_exists($score['objectscore_object_id'], $assets_tmp)) {
array_push($assets_sorted, $assets_tmp[$score['objectscore_object_id']]);
unset($assets_tmp[$score['objectscore_object_id']]);
}
}
foreach ($assets_tmp as $et) {
if ($order == 'asc') {
array_unshift($assets_sorted, $et);
} else {
array_push($assets_sorted, $et);
}
}
$assets = $assets_sorted;
} elseif (isset($args['sort_by']) && 'rate' == $args['sort_by']) {
$assets_tmp = array();
foreach ($assets as $a) {
$assets_tmp[$a['asset_id']] = $a;
}
$scores = $this->fetch_avg_scores($args['namespace'], 'asset', $order, $id_filter . "\n" . $blog_filter . "\n" . $author_filter . "\n" . $day_filter . "\n" . $type_filter . "\n" . $ext_filter . "\n" . $thumb_filter . "\n");
$assets_sorted = array();
foreach ($scores as $score) {
if (array_key_exists($score['objectscore_object_id'], $assets_tmp)) {
array_push($assets_sorted, $assets_tmp[$score['objectscore_object_id']]);
unset($assets_tmp[$score['objectscore_object_id']]);
}
}
foreach ($assets_tmp as $et) {
if ($order == 'asc') {
array_unshift($assets_sorted, $et);
} else {
array_push($assets_sorted, $et);
}
}
$assets = $assets_sorted;
}
return $assets;
}
function fetch_assets($args)
{
# load assets
$extras = array();
if (isset($args['blog_id'])) {
$blog_filter = 'and asset_blog_id = ' . intval($args['blog_id']);
}
# Adds a thumbnail filter to the filters list.
if (isset($args['exclude_thumb']) && $args['exclude_thumb']) {
$thumb_filter = ' and asset_parent is null';
}
# Adds a tag filter to the filters list.
if (isset($args['tags']) or isset($args['tag'])) {
$tag_arg = isset($args['tag']) ? $args['tag'] : $args['tags'];
require_once "MTUtil.php";
if (!preg_match('/\\b(AND|OR|NOT)\\b|\\(|\\)/i', $tag_arg)) {
$not_clause = false;
} else {
$not_clause = preg_match('/\\bNOT\\b/i', $tag_arg);
}
$include_private = 0;
$tag_array = tag_split($tag_arg);
foreach ($tag_array as $tag) {
if ($tag && substr($tag, 0, 1) == '@') {
$include_private = 1;
}
}
$tags = $this->fetch_asset_tags(array('blog_id' => $blog_id, 'tag' => $tag_arg, 'include_private' => $include_private));
if (!is_array($tags)) {
$tags = array();
}
$cexpr = create_tag_expr_function($tag_arg, $tags, 'asset');
if ($cexpr) {
$tmap = array();
$tag_list = array();
foreach ($tags as $tag) {
$tag_list[] = $tag->tag_id;
}
$ot = $this->fetch_objecttags(array('tag_id' => $tag_list, 'datasource' => 'asset'));
if (!empty($ot)) {
foreach ($ot as $o) {
$tmap[$o->objecttag_object_id][$o->objecttag_tag_id]++;
if (!$not_clause) {
$asset_list[$o->objecttag_object_id] = 1;
}
}
}
$ctx['t'] =& $tmap;
$filters[] = $cexpr;
} else {
return null;
}
}
# Adds an author filter
if (isset($args['author'])) {
$author_filter = "and author_name = '" . $this->escape($args['author']) . "'";
$extras['join']['mt_author'] = array('condition' => "author_id = asset_created_by");
}
# Adds an entry filter
if (isset($args['entry_id'])) {
$extras['join']['mt_objectasset'] = array('condition' => "(objectasset_object_ds = 'entry' and objectasset_object_id = " . intval($this->escape($args['entry_id'])) . " and asset_id = objectasset_asset_id)");
}
# Adds an ID filter
if (isset($args['id'])) {
if ($args['id'] == '') {
return null;
}
$id_filter = 'and asset_id = ' . intval($args['id']);
}
# Adds a days filter
if (isset($args['days'])) {
$day_filter = 'and ' . $this->limit_by_day_sql('asset_created_on', intval($args['days']));
}
# Adds a type filter
if (isset($args['type'])) {
$type_filter = "and asset_class ='" . $args['type'] . "'";
}
# Adds a file extension filter
if (isset($args['file_ext'])) {
$ext_filter = "and asset_file_ext ='" . $args['file_ext'] . "'";
}
$date_filter = $args['ignore_archive_context'] ? '' : $this->build_date_filter($args, 'asset_created_on');
# Adds a score or rate filter to the filters list.
if (isset($args['namespace'])) {
require_once "MTUtil.php";
$arg_names = array('min_score', 'max_score', 'min_rate', 'max_rate', 'min_count', 'max_count');
foreach ($arg_names as $n) {
if (isset($args[$n])) {
$rating_args = $args[$n];
$cexpr = create_rating_expr_function($rating_args, $n, $args['namespace'], 'asset');
if ($cexpr) {
$filters[] = $cexpr;
} else {
return null;
}
}
}
if (isset($args['scored_by'])) {
$voter = $this->fetch_author_by_name($args['scored_by']);
if (!$voter) {
echo "Invalid scored by filter: " . $args['scored_by'];
return null;
}
$cexpr = create_rating_expr_function($voter->author_id, 'scored_by', $args['namespace'], 'asset');
if ($cexpr) {
$filters[] = $cexpr;
} else {
return null;
}
}
}
# Adds sort order
$order = 'desc';
$sort_by = 'asset_created_on';
if (isset($args['sort_order'])) {
if ($args['sort_order'] == 'ascend') {
$order = 'asc';
} else {
if ($args['sort_order'] == 'descend') {
$order = 'desc';
}
}
}
if (isset($args['sort_by'])) {
if ('score' != $args['sort_by'] && 'rate' != $args['sort_by']) {
$sort_by = 'asset_' . $args['sort_by'];
}
}
if (isset($args['lastn'])) {
$order = 'desc';
}
$join_score = "";
$distinct = "";
if (isset($args['sort_by']) && ($args['sort_by'] == 'score' || $args['sort_by'] == 'rate')) {
$extras['join']['mt_objectscore'] = array('type' => 'left', 'condition' => "objectscore_object_id = asset_id");
$extras['distinct'] = 'distinct';
}
$limit = 0;
$offset = 0;
if (isset($args['lastn'])) {
$limit = $args['lastn'];
}
if (isset($args['limit'])) {
$limit = $args['limit'];
}
if (isset($args['offset'])) {
$offset = $args['offset'];
}
if (count($filters)) {
$post_select_limit = $limit;
$post_select_offset = $offset;
$limit = 0;
$offset = 0;
}
if ($limit) {
$extras['limit'] = $limit;
}
if ($offset) {
$extras['offset'] = $offset;
}
# Build SQL
$where = "1 = 1\n {$id_filter}\n {$blog_filter}\n {$author_filter}\n {$entry_filter}\n {$day_filter}\n {$type_filter}\n {$ext_filter}\n {$thumb_filter}\n {$date_filter}\n order by\n {$sort_by} {$order}\n ";
require_once 'class.mt_asset.php';
$asset = new Asset();
$result = $asset->Find($where, false, false, $extras);
if (empty($result)) {
return null;
}
$assets = array();
$offset = $post_select_offset ? $post_select_offset : 0;
$limit = $post_select_limit ? $post_select_limit : 0;
$i = -1;
while (true) {
$i++;
$e = $result[$i];
if ($offset && $j++ < $offset) {
continue;
}
if (!isset($e)) {
break;
}
if (count($filters)) {
foreach ($filters as $f) {
if (!$f($e, $ctx)) {
continue 2;
}
}
}
$assets[] = $e;
if ($limit > 0 && count($assets) >= $limit) {
break;
}
}
$no_resort = 0;
if (isset($args['sort_by']) && $asset->has_column($args['sort_by'])) {
$no_resort = 1;
}
if (isset($args['lastn'])) {
if (isset($args['sort_by'])) {
$no_resort = 0;
}
} else {
if (!isset($args['sort_by'])) {
$no_resort = 1;
}
}
$order = 'desc';
if (isset($args['sort_order'])) {
if ($args['sort_order'] == 'ascend') {
$order = 'asc';
} else {
if ($args['sort_order'] == 'descend') {
$order = 'desc';
}
}
}
# Resort assets
if (isset($args['sort_by']) && 'score' == $args['sort_by']) {
$assets_tmp = array();
foreach ($assets as $a) {
$assets_tmp[$a->asset_id] = $a;
}
$scores = $this->fetch_sum_scores($args['namespace'], 'asset', $order, $id_filter . "\n" . $blog_filter . "\n" . $author_filter . "\n" . $day_filter . "\n" . $type_filter . "\n" . $ext_filter . "\n" . $thumb_filter . "\n");
$assets_sorted = array();
foreach ($scores as $score) {
if (array_key_exists($score['objectscore_object_id'], $assets_tmp)) {
array_push($assets_sorted, $assets_tmp[$score['objectscore_object_id']]);
unset($assets_tmp[$score['objectscore_object_id']]);
}
}
foreach ($assets_tmp as $et) {
if ($order == 'asc') {
array_unshift($assets_sorted, $et);
} else {
array_push($assets_sorted, $et);
}
}
$assets = $assets_sorted;
} elseif (isset($args['sort_by']) && 'rate' == $args['sort_by']) {
$assets_tmp = array();
foreach ($assets as $a) {
$assets_tmp[$a->asset_id] = $a;
}
$scores = $this->fetch_avg_scores($args['namespace'], 'asset', $order, $id_filter . "\n" . $blog_filter . "\n" . $author_filter . "\n" . $day_filter . "\n" . $type_filter . "\n" . $ext_filter . "\n" . $thumb_filter . "\n");
$assets_sorted = array();
foreach ($scores as $score) {
if (array_key_exists($score['objectscore_object_id'], $assets_tmp)) {
array_push($assets_sorted, $assets_tmp[$score['objectscore_object_id']]);
unset($assets_tmp[$score['objectscore_object_id']]);
}
}
foreach ($assets_tmp as $et) {
if ($order == 'asc') {
array_unshift($assets_sorted, $et);
} else {
array_push($assets_sorted, $et);
}
}
$assets = $assets_sorted;
} elseif (!$no_resort) {
$sort_field = 'asset_created_on';
if (isset($args['sort_by']) && $asset->has_column($args['sort_by'])) {
if (preg_match('/^field[:\\.](.+)$/', $args['sort_by'], $match)) {
$sort_field = 'asset_field.' . $match[1];
} else {
$sort_field = 'asset_' . $args['sort_by'];
}
}
if ($sort_field == 'asset_blog_id' || $sort_field == 'asset_created_by' || $sort_field == 'asset_created_on' || $sort_field == 'asset_id' || $sort_field == 'asset_parent') {
$sort_fn = "if (\$a->{$sort_field} == \$b->{$sort_field}) return 0; return \$a->{$sort_field} < \$b->{$sort_field} ? -1 : 1;";
} else {
$sort_fn = "\$f = '" . addslashes($sort_field) . "'; return strcmp(\$a->\$f,\$b->\$f);";
}
$sorter = create_function($order == 'asc' ? '$a,$b' : '$b,$a', $sort_fn);
usort($assets, $sorter);
}
return $assets;
}