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MDL-78312 core_user: add an 'exact match only' option

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hieuvu
2023-09-13 20:22:22 +07:00
parent 9b2c445143
commit a3da58a9cb
18 changed files with 224 additions and 52 deletions
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lib/datalib.php
+25 -8
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@@ -52,6 +52,12 @@ define('MAX_COURSE_CATEGORIES', 10000);
if (!defined('LASTACCESS_UPDATE_SECS')) {
define('LASTACCESS_UPDATE_SECS', 60);
}
/**
* The constant value when we use the search option.
*/
define('USER_SEARCH_STARTS_WITH', 0);
define('USER_SEARCH_CONTAINS', 1);
define('USER_SEARCH_EXACT_MATCH', 2);
/**
* Returns $user object of the main admin user
@@ -216,8 +222,8 @@ function search_users($courseid, $groupid, $searchtext, $sort='', array $excepti
* @param string $search the text to search for (empty string = find all)
* @param string $u the table alias for the user table in the query being
* built. May be ''.
* @param bool $searchanywhere If true (default), searches in the middle of
* names, otherwise only searches at start
* @param int $searchtype If 0(default): searches at start, 1: searches in the middle of names
* 2: search exact match.
* @param array $extrafields Array of extra user fields to include in search, must be prefixed with table alias if they are not in
* the user table.
* @param array $exclude Array of user ids to exclude (empty = don't exclude)
@@ -227,7 +233,7 @@ function search_users($courseid, $groupid, $searchtext, $sort='', array $excepti
* where clause the query, and an associative array containing any required
* parameters (using named placeholders).
*/
function users_search_sql(string $search, string $u = 'u', bool $searchanywhere = true, array $extrafields = [],
function users_search_sql(string $search, string $u = 'u', int $searchtype = USER_SEARCH_STARTS_WITH, array $extrafields = [],
array $exclude = null, array $includeonly = null): array {
global $DB, $CFG;
$params = array();
@@ -237,7 +243,6 @@ function users_search_sql(string $search, string $u = 'u', bool $searchanywhere
$u .= '.';
}
// If we have a $search string, put a field LIKE '$search%' condition on each field.
if ($search) {
$conditions = array(
$DB->sql_fullname($u . 'firstname', $u . 'lastname'),
@@ -247,14 +252,26 @@ function users_search_sql(string $search, string $u = 'u', bool $searchanywhere
// Add the table alias for the user table if the field doesn't already have an alias.
$conditions[] = strpos($field, '.') !== false ? $field : $u . $field;
}
if ($searchanywhere) {
$searchparam = '%' . $search . '%';
} else {
$searchparam = $search . '%';
switch ($searchtype) {
case USER_SEARCH_STARTS_WITH:
// Put a field LIKE 'search%' condition on each field.
$searchparam = $search . '%';
break;
case USER_SEARCH_CONTAINS:
// Put a field LIKE '$search%' condition on each field.
$searchparam = '%' . $search . '%';
break;
case USER_SEARCH_EXACT_MATCH:
// Match exact the $search string.
$searchparam = $search;
break;
}
$i = 0;
foreach ($conditions as $key => $condition) {
$conditions[$key] = $DB->sql_like($condition, ":con{$i}00", false, false);
if ($searchtype === USER_SEARCH_EXACT_MATCH) {
$conditions[$key] = "$condition = :con{$i}00";
}
$params["con{$i}00"] = $searchparam;
$i++;
}