$from_collection = getvalescaped('fromCollection', '');
if(strpos($remove,",")>0)
{
$removearray=explode(",",$remove);
}
else
{
$removearray[0]=$remove;
unset($remove);
}
foreach ($removearray as $remove)
{
hook("preremovefromcollection");
#remove from current collection
if (remove_resource_from_collection($remove, ($from_collection === '') ? $usercollection : $from_collection) == false)
{
?><script language="Javascript">alert("<?php echo $lang["cantmodifycollection"]?>");</script><?php
}
else
{
# Log this
daily_stat("Removed resource from collection",$remove);
hook("postremovefromcollection");
}
}
}
$addsearch=getvalescaped("addsearch",-1);
if ($addsearch!=-1)
{
if ($counter >= $result_limit && $result_limit != -1) {
break;
}
}
}
}
//echo "Comparing results...";
$results_contents_add = array_values(array_diff($results_contents, $current_contents));
$current_contents_remove = array_values(array_diff($current_contents, $results_contents));
$count_results = count($results_contents_add);
if ($count_results > 0) {
# Add any new resources
debug("smart_collections_async : Adding {$count_results} resources to collection...");
for ($n = 0; $n < $count_results; $n++) {
add_resource_to_collection($results_contents_add[$n], $collection, true);
}
}
$count_contents = count($current_contents_remove);
if ($count_contents > 0) {
# Remove any resources no longer present.
debug("smart_collections_async : Removing {$count_contents} resources...");
for ($n = 0; $n < $count_contents; $n++) {
remove_resource_from_collection($current_contents_remove[$n], $collection, true);
}
}
$endTime = microtime(true);
$elapsed = $endTime - $startTime;
if (RUNNING_ASYNC) {
debug("smart_collections_async : {$elapsed} seconds for " . $smartsearch['search']);
}
}
function do_search($search, $restypes = "", $order_by = "relevance", $archive = 0, $fetchrows = -1, $sort = "desc", $access_override = false, $starsearch = 0, $ignore_filters = false, $return_disk_usage = false)
{
debug("search={$search} restypes={$restypes} archive={$archive}");
# globals needed for hooks
global $sql, $order, $select, $sql_join, $sql_filter, $orig_order, $checkbox_and, $collections_omit_archived, $search_sql_double_pass_mode;
# Takes a search string $search, as provided by the user, and returns a results set
# of matching resources.
# If there are no matches, instead returns an array of suggested searches.
# $restypes is optionally used to specify which resource types to search.
# $access_override is used by smart collections, so that all all applicable resources can be judged regardless of the final access-based results
# resolve $order_by to something meaningful in sql
$orig_order = $order_by;
global $date_field;
$order = array("relevance" => "score {$sort}, user_rating {$sort}, hit_count {$sort}, field{$date_field} {$sort},r.ref {$sort}", "popularity" => "user_rating {$sort},hit_count {$sort},field{$date_field} {$sort},r.ref {$sort}", "rating" => "r.rating {$sort}, user_rating {$sort}, score {$sort},r.ref {$sort}", "date" => "field{$date_field} {$sort},r.ref {$sort}", "colour" => "has_image {$sort},image_blue {$sort},image_green {$sort},image_red {$sort},field{$date_field} {$sort},r.ref {$sort}", "country" => "country {$sort},r.ref {$sort}", "title" => "title {$sort},r.ref {$sort}", "file_path" => "file_path {$sort},r.ref {$sort}", "resourceid" => "r.ref {$sort}", "resourcetype" => "resource_type {$sort},r.ref {$sort}", "titleandcountry" => "title {$sort},country {$sort}", "random" => "RAND()");
if (!in_array($order_by, $order) && substr($order_by, 0, 5) == "field") {
$order[$order_by] = "{$order_by} {$sort}";
}
hook("modifyorderarray");
# Recognise a quoted search, which is a search for an exact string
$quoted_string = false;
if (substr($search, 0, 1) == "\"" && substr($search, -1, 1) == "\"") {
$quoted_string = true;
$search = substr($search, 1, -1);
}
$order_by = $order[$order_by];
$keywords = split_keywords($search);
$search = trim($search);
# -- Build up filter SQL that will be used for all queries
$sql_filter = "";
# append resource type filtering
if ($restypes != "") {
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$restypes_x = explode(",", $restypes);
$sql_filter .= "resource_type in ('" . join("','", $restypes_x) . "')";
}
if ($starsearch != "" && $starsearch != 0) {
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "user_rating >= '{$starsearch}'";
}
# If returning disk used by the resources in the search results ($return_disk_usage=true) then wrap the returned SQL in an outer query that sums disk usage.
$sql_prefix = "";
$sql_suffix = "";
if ($return_disk_usage) {
$sql_prefix = "select sum(disk_usage) total_disk_usage,count(*) total_resources from (";
$sql_suffix = ") resourcelist";
}
# append resource type restrictions based on 'T' permission
# look for all 'T' permissions and append to the SQL filter.
global $userpermissions;
$rtfilter = array();
for ($n = 0; $n < count($userpermissions); $n++) {
if (substr($userpermissions[$n], 0, 1) == "T") {
$rt = substr($userpermissions[$n], 1);
if (is_numeric($rt) && !$access_override) {
$rtfilter[] = $rt;
}
}
}
if (count($rtfilter) > 0) {
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "resource_type not in (" . join(",", $rtfilter) . ")";
}
# append "use" access rights, do not show restricted resources unless admin
if (!checkperm("v") && !$access_override) {
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "r.access<>'2'";
}
# append archive searching (don't do this for collections or !listall, archived resources can still appear in these searches)
if (substr($search, 0, 8) != "!listall" && substr($search, 0, 11) != "!collection" || $collections_omit_archived && !checkperm("e2")) {
global $pending_review_visible_to_all;
if ($archive == 0 && $pending_review_visible_to_all) {
# If resources pending review are visible to all, when listing only active resources include
# pending review (-1) resources too.
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "(archive='0' or archive=-1)";
} else {
# Append normal filtering.
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "archive='{$archive}'";
}
}
# append ref filter - never return the batch upload template (negative refs)
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "r.ref>0";
# ------ Advanced 'custom' permissions, need to join to access table.
$sql_join = "";
global $k;
if (!checkperm("v") && !$access_override) {
global $usergroup;
global $userref;
# one extra join (rca2) is required for user specific permissions (enabling more intelligent watermarks in search view)
# the original join is used to gather group access into the search query as well.
$sql_join = " left outer join resource_custom_access rca2 on r.ref=rca2.resource and rca2.user='******' and (rca2.user_expires is null or rca2.user_expires>now()) and rca2.access<>2 ";
$sql_join .= " left outer join resource_custom_access rca on r.ref=rca.resource and rca.usergroup='{$usergroup}' and rca.access<>2 ";
if ($sql_filter != "") {
$sql_filter .= " and ";
}
# If rca.resource is null, then no matching custom access record was found
# If r.access is also 3 (custom) then the user is not allowed access to this resource.
# Note that it's normal for null to be returned if this is a resource with non custom permissions (r.access<>3).
$sql_filter .= " not(rca.resource is null and r.access=3)";
}
# Join thumbs_display_fields to resource table
$select = "r.ref, r.resource_type, r.has_image, r.is_transcoding, r.hit_count, r.creation_date, r.rating, r.user_rating, r.user_rating_count, r.user_rating_total, r.file_extension, r.preview_extension, r.image_red, r.image_green, r.image_blue, r.thumb_width, r.thumb_height, r.archive, r.access, r.colour_key, r.created_by, r.file_modified, r.file_checksum, r.request_count, r.new_hit_count, r.expiry_notification_sent, r.preview_tweaks, r.file_path ";
$modified_select = hook("modifyselect");
if ($modified_select) {
$select .= $modified_select;
}
$modified_select2 = hook("modifyselect2");
if ($modified_select2) {
$select .= $modified_select2;
}
# Return disk usage for each resource if returning sum of disk usage.
if ($return_disk_usage) {
$select .= ",r.disk_usage";
}
# select group and user access rights if available, otherwise select null values so columns can still be used regardless
# this makes group and user specific access available in the basic search query, which can then be passed through access functions
# in order to eliminate many single queries.
if (!checkperm("v") && !$access_override) {
$select .= ",rca.access group_access,rca2.access user_access ";
} else {
$select .= ",null group_access, null user_access ";
}
# add 'joins' to select (adding them
$joins = get_resource_table_joins();
foreach ($joins as $datajoin) {
$select .= ",r.field" . $datajoin . " ";
}
# Prepare SQL to add join table for all provided keywods
$suggested = $keywords;
# a suggested search
$fullmatch = true;
$c = 0;
$t = "";
$t2 = "";
$score = "";
$keysearch = true;
# Do not process if a numeric search is provided (resource ID)
global $config_search_for_number, $category_tree_search_use_and;
if ($config_search_for_number && is_numeric($search)) {
$keysearch = false;
}
if ($keysearch) {
for ($n = 0; $n < count($keywords); $n++) {
$keyword = $keywords[$n];
if (substr($keyword, 0, 1) != "!") {
global $date_field;
$field = 0;
#echo "<li>$keyword<br/>";
if (strpos($keyword, ":") !== false && !$ignore_filters) {
$kw = explode(":", $keyword, 2);
if ($kw[0] == "day") {
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "r.field{$date_field} like '____-__-" . $kw[1] . "%' ";
} elseif ($kw[0] == "month") {
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "r.field{$date_field} like '____-" . $kw[1] . "%' ";
} elseif ($kw[0] == "year") {
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "r.field{$date_field} like '" . $kw[1] . "%' ";
} else {
$ckeywords = explode(";", $kw[1]);
# Fetch field info
$fieldinfo = sql_query("select ref,type from resource_type_field where name='" . escape_check($kw[0]) . "'", 0);
if (count($fieldinfo) == 0) {
debug("Field short name not found.");
return false;
} else {
$fieldinfo = $fieldinfo[0];
}
# Special handling for dates
if ($fieldinfo["type"] == 4 || $fieldinfo["type"] == 6) {
$ckeywords = array(str_replace(" ", "-", $kw[1]));
}
$field = $fieldinfo["ref"];
#special SQL generation for category trees to use AND instead of OR
if ($fieldinfo["type"] == 7 && $category_tree_search_use_and || $fieldinfo["type"] == 2 && $checkbox_and) {
for ($m = 0; $m < count($ckeywords); $m++) {
$keyref = resolve_keyword($ckeywords[$m]);
if (!($keyref === false)) {
$c++;
# Add related keywords
$related = get_related_keywords($keyref);
$relatedsql = "";
for ($r = 0; $r < count($related); $r++) {
$relatedsql .= " or k" . $c . ".keyword='" . $related[$r] . "'";
}
# Form join
//$sql_join.=" join (SELECT distinct k".$c.".resource,k".$c.".hit_count from resource_keyword k".$c." where k".$c.".keyword='$keyref' $relatedsql) t".$c." ";
$sql_join .= " join resource_keyword k" . $c . " on k" . $c . ".resource=r.ref and k" . $c . ".resource_type_field='" . $field . "' and (k" . $c . ".keyword='{$keyref}' {$relatedsql})";
if ($score != "") {
$score .= "+";
}
$score .= "k" . $c . ".hit_count";
# Log this
daily_stat("Keyword usage", $keyref);
}
}
} else {
$c++;
$sql_join .= " join resource_keyword k" . $c . " on k" . $c . ".resource=r.ref and k" . $c . ".resource_type_field='" . $field . "'";
if ($score != "") {
$score .= "+";
}
$score .= "k" . $c . ".hit_count";
# work through all options in an OR approach for multiple selects on the same field
# where k.resource=type_field=$field and (k*.keyword=3 or k*.keyword=4) etc
$keyjoin = "";
for ($m = 0; $m < count($ckeywords); $m++) {
$keyref = resolve_keyword($ckeywords[$m]);
if ($keyref === false) {
$keyref = -1;
}
if ($m != 0) {
$keyjoin .= " OR ";
}
$keyjoin .= "k" . $c . ".keyword='{$keyref}'";
# Also add related.
$related = get_related_keywords($keyref);
for ($o = 0; $o < count($related); $o++) {
$keyjoin .= " OR k" . $c . ".keyword='" . $related[$o] . "'";
}
# Log this
daily_stat("Keyword usage", $keyref);
}
if ($keyjoin != "") {
$sql_join .= " and (" . $keyjoin . ")";
}
}
}
} else {
# Normal keyword (not tied to a field) - searches all fields
# If ignoring field specifications then remove them.
if (strpos($keyword, ":") !== false && $ignore_filters) {
$s = explode(":", $keyword);
$keyword = $s[1];
}
# Omit resources containing this keyword?
$omit = false;
if (substr($keyword, 0, 1) == "-") {
$omit = true;
$keyword = substr($keyword, 1);
}
global $noadd, $wildcard_always_applied;
if (in_array($keyword, $noadd)) {
$skipped_last = true;
} else {
# Handle wildcards
if (strpos($keyword, "*") !== false || $wildcard_always_applied) {
if ($wildcard_always_applied && strpos($keyword, "*") === false) {
$keyword .= "*";
}
# Suffix asterisk if none supplied and using $wildcard_always_applied mode.
# Keyword contains a wildcard. Expand.
$c++;
global $use_temp_tables;
if (!$use_temp_tables) {
global $wildcard_expand_limit;
$wildcards = sql_array("select ref value from keyword where keyword like '" . escape_check(str_replace("*", "%", $keyword)) . "' order by hit_count desc limit " . $wildcard_expand_limit);
# Form join
if (!$omit) {
# Include in query
$sql_join .= " join resource_keyword k" . $c . " on k" . $c . ".resource=r.ref and k" . $c . ".keyword in ('" . join("','", $wildcards) . "')";
$sql_exclude_fields = hook("excludefieldsfromkeywordsearch");
if (!empty($sql_exclude_fields)) {
$sql_join .= " and k" . $c . ".resource_type_field not in (" . $sql_exclude_fields . ")";
}
} else {
# Exclude matching resources from query (omit feature)
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "r.ref not in (select resource from resource_keyword where keyword in ('" . join("','", $wildcards) . "'))";
# Filter out resources that do contain the keyword.
}
#echo $sql_join;
} else {
//begin code for temporary table wildcard expansion
// use a global counter to avoide temporary table naming collisions
global $temptable_counter;
if (!isset($temptable_counter)) {
$temptable_counter = 0;
}
$temptable_counter++;
$thetemptable = 'wcql' . $c . '_' . $temptable_counter;
$sql_exclude_fields = hook("excludefieldsfromkeywordsearch");
$temptable_exclude = '';
if (!empty($sql_exclude_fields)) {
$temptable_exclude = "and rk.resource_type_field not in (" . $sql_exclude_fields . ")";
}
sql_query("create temporary table {$thetemptable} (resource bigint unsigned)");
sql_query("insert into {$thetemptable} select distinct r.ref from resource r\n left join resource_keyword rk on r.ref = rk.resource {$temptable_exclude}\n left join keyword k on rk.keyword = k.ref\n where k.keyword like '" . escape_check(str_replace("*", "%", $keyword)) . "'");
if (!$omit) {
# Include in query
$sql_join .= " join {$thetemptable} on {$thetemptable}.resource = r.ref ";
} else {
# Exclude matching resources from query (omit feature)
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "r.ref not in (select resource from {$thetemptable})";
# Filter out resources that do contain the keyword.
}
}
} else {
# Not a wildcard. Normal matching.
$keyref = resolve_keyword($keyword);
# Resolve keyword. Ignore any wildcards when resolving. We need wildcards to be present later but not here.
if ($keyref === false && !$omit) {
$fullmatch = false;
$soundex = resolve_soundex($keyword);
if ($soundex === false) {
# No keyword match, and no keywords sound like this word. Suggest dropping this word.
$suggested[$n] = "";
} else {
# No keyword match, but there's a word that sounds like this word. Suggest this word instead.
$suggested[$n] = "<i>" . $soundex . "</i>";
}
} else {
# Key match, add to query.
$c++;
# Add related keywords
$related = get_related_keywords($keyref);
$relatedsql = "";
for ($m = 0; $m < count($related); $m++) {
$relatedsql .= " or k" . $c . ".keyword='" . $related[$m] . "'";
}
# Form join
global $use_temp_tables, $use_temp_tables_for_keyword_joins;
if (substr($search, 0, 8) == "!related") {
$use_temp_tables_for_keyword_joins = false;
}
// temp tables can't be used twice (unions)
$sql_exclude_fields = hook("excludefieldsfromkeywordsearch");
if (!$use_temp_tables_for_keyword_joins || !$use_temp_tables) {
// Not using temporary tables
# Quoted string support
$positionsql = "";
if ($quoted_string) {
if ($c > 1) {
$last_key_offset = 1;
if (isset($skipped_last) && $skipped_last) {
$last_key_offset = 2;
}
# Support skipped keywords - if the last keyword was skipped (listed in $noadd), increase the allowed position from the previous keyword. Useful for quoted searches that contain $noadd words, e.g. "black and white" where "and" is a skipped keyword.
$positionsql = "and k" . $c . ".position=k" . ($c - 1) . ".position+" . $last_key_offset;
}
}
if (!empty($sql_exclude_fields)) {
$sql_join .= " and k" . $c . ".resource_type_field not in (" . $sql_exclude_fields . ")";
}
if (!$omit) {
# Include in query
$sql_join .= " join resource_keyword k" . $c . " on k" . $c . ".resource=r.ref and (k" . $c . ".keyword='{$keyref}' {$relatedsql}) {$positionsql}";
if ($score != "") {
$score .= "+";
}
$score .= "k" . $c . ".hit_count";
} else {
# Exclude matching resources from query (omit feature)
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "r.ref not in (select resource from resource_keyword where keyword='{$keyref}')";
# Filter out resources that do contain the keyword.
}
} else {
//use temp tables
if (!isset($temptable_counter)) {
$temptable_counter = 0;
}
$temptable_counter++;
$jtemptable = 'jtt' . $c . '_' . $temptable_counter;
sql_query("drop table IF EXISTS {$jtemptable} ", false);
$exclude_sql = '';
# Quoted string support
$positionsql = "";
if ($quoted_string) {
if ($c > 1) {
$last_key_offset = 1;
if (isset($skipped_last) && $skipped_last) {
$last_key_offset = 2;
}
# Support skipped keywords - if the last keyword was skipped (listed in $noadd), increase the allowed position from the previous keyword. Useful for quoted searches that contain $noadd words, e.g. "black and white" where "and" is a skipped keyword.
$positionsql = "and {$jtemptable}.position=" . 'jtt' . ($c - 1) . '_' . ($temptable_counter - 1) . ".position+" . $last_key_offset;
}
}
if (!empty($sql_exclude_fields)) {
$exclude_sql = "and k" . $c . ".resource_type_field not in (" . $sql_exclude_fields . ")";
}
$test = sql_query("create temporary table {$jtemptable} SELECT distinct k" . $c . ".resource,k" . $c . ".hit_count,k" . $c . ".position from \tresource_keyword k" . $c . " where (k" . $c . ".keyword='{$keyref}' {$relatedsql}) {$exclude_sql}");
if (!$omit) {
# Include in query
$sql_join .= " join {$jtemptable} on {$jtemptable}.resource = r.ref {$positionsql}";
if ($score != "") {
$score .= "+";
}
$score .= $jtemptable . ".hit_count";
} else {
# Exclude matching resources from query (omit feature)
if ($sql_filter != "") {
$sql_filter .= " and ";
}
$sql_filter .= "r.ref not in (select resource from {$jtemptable})";
# Filter out resources that do contain the keyword.
}
}
# Log this
daily_stat("Keyword usage", $keyref);
}
}
$skipped_last = false;
}
}
}
}
}
# Could not match on provided keywords? Attempt to return some suggestions.
if ($fullmatch == false) {
if ($suggested == $keywords) {
# Nothing different to suggest.
debug("No alternative keywords to suggest.");
return "";
} else {
# Suggest alternative spellings/sound-a-likes
$suggest = "";
if (strpos($search, ",") === false) {
$suggestjoin = " ";
} else {
$suggestjoin = ", ";
}
for ($n = 0; $n < count($suggested); $n++) {
if ($suggested[$n] != "") {
if ($suggest != "") {
$suggest .= $suggestjoin;
}
$suggest .= $suggested[$n];
}
}
debug("Suggesting {$suggest}");
return $suggest;
}
}
# Some useful debug.
#echo("keywordjoin=" . $sql_join);
#echo("<br>Filter=" . $sql_filter);
#echo("<br>Search=" . $search);
hook("additionalsqlfilter");
# ------ Search filtering: If search_filter is specified on the user group, then we must always apply this filter.
global $usersearchfilter;
$sf = explode(";", $usersearchfilter);
if (strlen($usersearchfilter) > 0) {
for ($n = 0; $n < count($sf); $n++) {
$s = explode("=", $sf[$n]);
if (count($s) != 2) {
exit("Search filter is not correctly configured for this user group.");
}
# Find field(s) - multiple fields can be returned to support several fields with the same name.
$f = sql_array("select ref value from resource_type_field where name='" . escape_check($s[0]) . "'");
if (count($f) == 0) {
exit("Field(s) with short name '" . $s[0] . "' not found in user group search filter.");
}
# Find keyword(s)
$ks = explode("|", strtolower(escape_check($s[1])));
$modifiedsearchfilter = hook("modifysearchfilter");
if ($modifiedsearchfilter) {
$ks = $modifiedsearchfilter;
}
$kw = sql_array("select ref value from keyword where keyword in ('" . join("','", $ks) . "')");
#if (count($k)==0) {exit ("At least one of keyword(s) '" . join("', '",$ks) . "' not found in user group search filter.");}
$sql_join .= " join resource_keyword filter" . $n . " on r.ref=filter" . $n . ".resource and filter" . $n . ".resource_type_field in ('" . join("','", $f) . "') and filter" . $n . ".keyword in ('" . join("','", $kw) . "') ";
}
}
$userownfilter = hook("userownfilter");
if ($userownfilter) {
$sql_join .= $userownfilter;
}
# Handle numeric searches when $config_search_for_number=false, i.e. perform a normal search but include matches for resource ID first
global $config_search_for_number;
if (!$config_search_for_number && is_numeric($search)) {
# Always show exact resource matches first.
$order_by = "(r.ref='" . $search . "') desc," . $order_by;
}
# --------------------------------------------------------------------------------
# Special Searches (start with an exclamation mark)
# --------------------------------------------------------------------------------
# Can only search for resources that belong to themes
if (checkperm("J")) {
$sql_join .= " join collection_resource jcr on jcr.resource=r.ref join collection jc on jcr.collection=jc.ref and length(jc.theme)>0 ";
}
# ------ Special searches ------
# View Last
if (substr($search, 0, 5) == "!last") {
# Replace r2.ref with r.ref for the alternative query used here.
$order_by = str_replace("r.ref", "r2.ref", $order_by);
if ($orig_order == "relevance") {
$order_by = "r2.ref desc";
}
# Extract the number of records to produce
$last = explode(",", $search);
$last = str_replace("!last", "", $last[0]);
if (!is_numeric($last)) {
$last = 1000;
}
# 'Last' must be a number. SQL injection filter.
# Fix the order by for this query (special case due to inner query)
$order_by = str_replace("r.rating", "rating", $order_by);
return sql_query($sql_prefix . "select distinct *,r2.hit_count score from (select {$select} from resource r {$sql_join} where {$sql_filter} order by ref desc limit {$last} ) r2 order by {$order_by}" . $sql_suffix, false, $fetchrows);
}
# View Resources With No Downloads
if (substr($search, 0, 12) == "!nodownloads") {
if ($orig_order == "relevance") {
$order_by = "ref desc";
}
return sql_query($sql_prefix . "select distinct r.hit_count score, {$select} from resource r {$sql_join} where {$sql_filter} and ref not in (select distinct object_ref from daily_stat where activity_type='Resource download') order by {$order_by}" . $sql_suffix, false, $fetchrows);
}
# Duplicate Resources (based on file_checksum)
if (substr($search, 0, 11) == "!duplicates") {
// old code disabled due to performance issues
//return sql_query("select distinct r.hit_count score, $select from resource r $sql_join where $sql_filter and file_checksum in (select file_checksum from (select file_checksum,count(*) dupecount from resource group by file_checksum) r2 where r2.dupecount>1) order by file_checksum",false,$fetchrows);
// new code relies on MySQL temporary tables being enabled, as well as checksums
// if either is not turned on, just give up.
global $use_temp_tables;
global $file_checksums;
if ($use_temp_tables && $file_checksums) {
global $temptable_counter;
if (!isset($temptable_counter)) {
$temptable_counter = 0;
}
$temptable_counter++;
$thetemptable = 'dupehashx' . '_' . $temptable_counter;
$dupequery = "select distinct r.hit_count score, {$select} from resource r {$sql_join} join {$thetemptable} on r.file_checksum = {$thetemptable}.hash where {$sql_filter} order by file_checksum";
sql_query("create temporary table {$thetemptable} (`hash` varchar(255) NOT NULL,`hashcount` int(10) default NULL, KEY `Index 1` (`hash`))", false);
sql_query("insert into {$thetemptable} select file_checksum, count(file_checksum) from resource where archive = 0 and ref > 0 and file_checksum <> '' and file_checksum is not null group by file_checksum having count(file_checksum) > 1", false);
$duperesult = sql_query($dupequery, false, $fetchrows);
return $duperesult;
} else {
return false;
}
}
# View Collection
if (substr($search, 0, 11) == "!collection") {
if ($orig_order == "relevance") {
$order_by = "c.sortorder asc,c.date_added desc,r.ref";
}
$colcustperm = $sql_join;
if (getval("k", "") != "") {
$sql_filter = "ref>0";
}
# Special case if a key has been provided.
# Extract the collection number
$collection = explode(" ", $search);
$collection = str_replace("!collection", "", $collection[0]);
$collection = explode(",", $collection);
// just get the number
$collection = $collection[0];
# smart collections update
global $allow_smart_collections;
if ($allow_smart_collections) {
$smartsearch_ref = sql_value("select savedsearch value from collection where ref={$collection}", "");
if ($smartsearch_ref != "") {
$smartsearch = sql_query("select * from collection_savedsearch where ref={$smartsearch_ref}");
if (isset($smartsearch[0]['search'])) {
$smartsearch = $smartsearch[0];
$results = do_search($smartsearch['search'], $smartsearch['restypes'], "relevance", $smartsearch['archive'], -1, "desc", true, $smartsearch['starsearch']);
# results is a list of the current search without any restrictions
# we need to compare against the current collection contents to minimize inserts and deletions
$current = sql_query("select resource from collection_resource where collection={$collection}");
$current_contents = array();
$results_contents = array();
if (!empty($current)) {
foreach ($current as $current_item) {
$current_contents[] = $current_item['resource'];
}
}
if (!empty($results) && is_array($results)) {
foreach ($results as $results_item) {
$results_contents[] = $results_item['ref'];
}
}
for ($n = 0; $n < count($results_contents); $n++) {
if (!in_array($results_contents[$n], $current_contents)) {
add_resource_to_collection($results_contents[$n], $collection, true);
}
}
for ($n = 0; $n < count($current_contents); $n++) {
if (!in_array($current_contents[$n], $results_contents)) {
remove_resource_from_collection($current_contents[$n], $collection, true);
}
}
}
}
}
return sql_query($sql_prefix . "select distinct c.date_added,c.comment,c.purchase_size,c.purchase_complete,r.hit_count score,length(c.comment) commentset, {$select} from resource r join collection_resource c on r.ref=c.resource {$colcustperm} where c.collection='" . $collection . "' and {$sql_filter} group by r.ref order by {$order_by}" . $sql_suffix, false, $fetchrows);
}
# View Related
if (substr($search, 0, 8) == "!related") {
# Extract the resource number
$resource = explode(" ", $search);
$resource = str_replace("!related", "", $resource[0]);
$order_by = str_replace("r.", "", $order_by);
# UNION below doesn't like table aliases in the order by.
return sql_query($sql_prefix . "select distinct r.hit_count score, {$select} from resource r join resource_related t on (t.related=r.ref and t.resource='" . $resource . "') {$sql_join} where 1=1 and {$sql_filter} group by r.ref \n\t\tUNION\n\t\tselect distinct r.hit_count score, {$select} from resource r join resource_related t on (t.resource=r.ref and t.related='" . $resource . "') {$sql_join} where 1=1 and {$sql_filter} group by r.ref \n\t\torder by {$order_by}" . $sql_suffix, false, $fetchrows);
}
# Geographic search
if (substr($search, 0, 4) == "!geo") {
$geo = explode("t", str_replace(array("m", "p"), array("-", "."), substr($search, 4)));
# Specially encoded string to avoid keyword splitting
$bl = explode("b", $geo[0]);
$tr = explode("b", $geo[1]);
$sql = "select r.hit_count score, {$select} from resource r {$sql_join} where \n\n\t\t\t\t\tgeo_lat > '" . escape_check($bl[0]) . "'\n and geo_lat < '" . escape_check($tr[0]) . "'\t\t\n and geo_long > '" . escape_check($bl[1]) . "'\t\t\n and geo_long < '" . escape_check($tr[1]) . "'\t\t\n \n\t\t and {$sql_filter} group by r.ref order by {$order_by}";
return sql_query($sql_prefix . $sql . $sql_suffix, false, $fetchrows);
}
# Colour search
if (substr($search, 0, 7) == "!colour") {
$colour = explode(" ", $search);
$colour = str_replace("!colour", "", $colour[0]);
$sql = "select r.hit_count score, {$select} from resource r {$sql_join}\n\t\t\t\twhere \n\t\t\t\t\tcolour_key like '" . escape_check($colour) . "%'\n \tor colour_key like '_" . escape_check($colour) . "%'\n \n\t\t and {$sql_filter} group by r.ref order by {$order_by}";
return sql_query($sql_prefix . $sql . $sql_suffix, false, $fetchrows);
}
# Similar to a colour
if (substr($search, 0, 4) == "!rgb") {
$rgb = explode(":", $search);
$rgb = explode(",", $rgb[1]);
return sql_query($sql_prefix . "select distinct r.hit_count score, {$select} from resource r {$sql_join} where has_image=1 and {$sql_filter} group by r.ref order by (abs(image_red-" . $rgb[0] . ")+abs(image_green-" . $rgb[1] . ")+abs(image_blue-" . $rgb[2] . ")) asc limit 500" . $sql_suffix, false, $fetchrows);
}
# Similar to a colour by key
if (substr($search, 0, 10) == "!colourkey") {
# Extract the colour key
$colourkey = explode(" ", $search);
$colourkey = str_replace("!colourkey", "", $colourkey[0]);
return sql_query($sql_prefix . "select distinct r.hit_count score, {$select} from resource r {$sql_join} where has_image=1 and left(colour_key,4)='" . $colourkey . "' and {$sql_filter} group by r.ref" . $sql_suffix, false, $fetchrows);
}
global $config_search_for_number;
if ($config_search_for_number && is_numeric($search) || substr($search, 0, 9) == "!resource") {
$theref = escape_check($search);
$theref = preg_replace("/[^0-9]/", "", $theref);
return sql_query($sql_prefix . "select distinct r.hit_count score, {$select} from resource r {$sql_join} where r.ref='{$theref}' and {$sql_filter} group by r.ref" . $sql_suffix);
}
# Searching for pending archive
if (substr($search, 0, 15) == "!archivepending") {
return sql_query($sql_prefix . "select distinct r.hit_count score, {$select} from resource r {$sql_join} where archive=1 and ref>0 group by r.ref order by {$order_by}" . $sql_suffix, false, $fetchrows);
}
if (substr($search, 0, 12) == "!userpending") {
if ($orig_order == "rating") {
$order_by = "request_count desc," . $order_by;
}
return sql_query($sql_prefix . "select distinct r.hit_count score, {$select} from resource r {$sql_join} where archive=-1 and ref>0 group by r.ref order by {$order_by}" . $sql_suffix, false, $fetchrows);
}
# View Contributions
if (substr($search, 0, 14) == "!contributions") {
global $userref;
# Extract the user ref
$cuser = explode(" ", $search);
$cuser = str_replace("!contributions", "", $cuser[0]);
if ($userref == $cuser) {
$sql_filter = "archive='{$archive}'";
$sql_join = "";
}
# Disable permissions when viewing your own contributions - only restriction is the archive status
$select = str_replace(",rca.access group_access,rca2.access user_access ", ",null group_access, null user_access ", $select);
return sql_query($sql_prefix . "select distinct r.hit_count score, {$select} from resource r {$sql_join} where created_by='" . $cuser . "' and r.ref > 0 and {$sql_filter} group by r.ref order by {$order_by}" . $sql_suffix, false, $fetchrows);
}
# Search for resources with images
if ($search == "!images") {
return sql_query($sql_prefix . "select distinct r.hit_count score, {$select} from resource r {$sql_join} where has_image=1 group by r.ref order by {$order_by}" . $sql_suffix, false, $fetchrows);
}
# Search for resources not used in Collections
if (substr($search, 0, 7) == "!unused") {
return sql_query($sql_prefix . "SELECT distinct {$select} FROM resource r {$sql_join} where r.ref>0 and r.ref not in (select c.resource from collection_resource c) and {$sql_filter}" . $sql_suffix, false, $fetchrows);
}
# Search for a list of resources
# !listall = archive state is not applied as a filter to the list of resources.
if (substr($search, 0, 5) == "!list") {
$resources = explode(" ", $search);
if (substr($search, 0, 8) == "!listall") {
$resources = str_replace("!listall", "", $resources[0]);
} else {
$resources = str_replace("!list", "", $resources[0]);
}
$resources = explode(",", $resources);
// separate out any additional keywords
$resources = escape_check($resources[0]);
if (strlen(trim($resources)) == 0) {
$resources = "where r.ref IS NULL";
} else {
$resources = "where (r.ref='" . str_replace(":", "' OR r.ref='", $resources) . "')";
}
return sql_query($sql_prefix . "SELECT distinct r.hit_count score, {$select} FROM resource r {$sql_join} {$resources} and {$sql_filter} order by {$order_by}" . $sql_suffix, false, $fetchrows);
}
# Within this hook implementation, set the value of the global $sql variable:
# Since there will only be one special search executed at a time, only one of the
# hook implementations will set the value. So, you know that the value set
# will always be the correct one (unless two plugins use the same !<type> value).
$sql = "";
hook("addspecialsearch");
if ($sql != "") {
debug("Addspecialsearch hook returned useful results.");
return sql_query($sql_prefix . $sql . $sql_suffix, false, $fetchrows);
}
# -------------------------------------------------------------------------------------
# Standard Searches
# -------------------------------------------------------------------------------------
# We've reached this far without returning.
# This must be a standard (non-special) search.
# Construct and perform the standard search query.
#$sql="";
if ($sql_filter != "") {
if ($sql != "") {
$sql .= " and ";
}
$sql .= $sql_filter;
}
# Append custom permissions
$t .= $sql_join;
if ($score == "") {
$score = "r.hit_count";
}
# In case score hasn't been set (i.e. empty search)
global $max_results;
if ($t2 != "" && $sql != "") {
$sql = " and " . $sql;
}
# Compile final SQL
# Performance enhancement - set return limit to number of rows required
if ($search_sql_double_pass_mode && $fetchrows != -1) {
$max_results = $fetchrows;
}
$results_sql = $sql_prefix . "select distinct {$score} score, {$select} from resource r" . $t . " where {$t2} {$sql} group by r.ref order by {$order_by} limit {$max_results}" . $sql_suffix;
# Debug
debug("\n" . $results_sql);
# Execute query
$result = sql_query($results_sql, false, $fetchrows);
# Performance improvement - perform a second count-only query and pad the result array as necessary
if ($search_sql_double_pass_mode && count($result) > 0 && count($result) >= $max_results) {
$count_sql = "select count(distinct r.ref) value from resource r" . $t . " where {$t2} {$sql}";
$count = sql_value($count_sql, 0);
$result = array_pad($result, $count, 0);
}
debug("Search found " . count($result) . " results");
if (count($result) > 0) {
return $result;
}
# (temp) - no suggestion for field-specific searching for now - TO DO: modify function below to support this
if (strpos($search, ":") !== false) {
return "";
}
# All keywords resolved OK, but there were no matches
# Remove keywords, least used first, until we get results.
$lsql = "";
$omitmatch = false;
for ($n = 0; $n < count($keywords); $n++) {
if (substr($keywords[$n], 0, 1) == "-") {
$omitmatch = true;
$omit = $keywords[$n];
}
if ($lsql != "") {
$lsql .= " or ";
}
$lsql .= "keyword='" . escape_check($keywords[$n]) . "'";
}
if ($omitmatch) {
return trim_spaces(str_replace(" " . $omit . " ", " ", " " . join(" ", $keywords) . " "));
}
if ($lsql != "") {
$least = sql_value("select keyword value from keyword where {$lsql} order by hit_count asc limit 1", "");
return trim_spaces(str_replace(" " . $least . " ", " ", " " . join(" ", $keywords) . " "));
} else {
return array();
}
}
?>
");</script><?php
}
}
$remove = getvalescaped("remove", "");
if ($remove != "") {
if (strpos($remove, ",") > 0) {
$removearray = explode(",", $remove);
} else {
$removearray[0] = $remove;
unset($remove);
}
foreach ($removearray as $remove) {
hook("preremovefromcollection");
#remove from current collection
if (remove_resource_from_collection($remove, $usercollection) == false) {
?>
<script language="Javascript">alert("<?php
echo $lang["cantmodifycollection"];
?>
");</script><?php
} else {
# Log this
daily_stat("Removed resource from collection", $remove);
hook("postremovefromcollection");
}
}
}
$addsearch = getvalescaped("addsearch", -1);
if ($addsearch != -1) {
if (!collection_writeable($usercollection)) {
