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rating MDL-23908 improved rating role tips

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This commit is contained in:
Andrew Davis
2010-08-31 07:59:32 +00:00
parent 2d2746753b
commit f9cd798c7e
3 changed files with 75 additions and 14 deletions
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lib/accesslib.php
+65 -2
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@@ -2451,7 +2451,7 @@ function unassign_capability($capability, $roleid, $contextid=NULL) {
* Get the roles that have a given capability assigned to it
* Get the roles that have a given capability assigned to it. This function
* does not resolve the actual permission of the capability. It just checks
* for assignment only.
* for assignment only. Use get_roles_with_cap_in_context() if resolution is required.
*
* @global object
* @global object
@@ -5909,7 +5909,8 @@ function role_cap_duplicate($sourcerole, $targetrole) {
/**
* Returns two lists, this can be used to find out if user has capability.
* Having any needed role and no forbidden role in this context means
* user has this capability in this context,
* user has this capability in this context.
* Use get_role_names_with_cap_in_context() if you need role names to display in the UI
*
* @param object $context
* @param string $capability
@@ -5966,6 +5967,68 @@ function get_roles_with_cap_in_context($context, $capability) {
return array($needed, $forbidden);
}
/**
* Returns an array of role IDs that have ALL of the the supplied capabilities
* Uses get_roles_with_cap_in_context(). Returns $allowed minus $forbidden
*
* @param object $context
* @param array $capabilities An array of capabilities
* @return array of roles with all of the required capabilities
*/
function get_roles_with_caps_in_context($context, $capabilities) {
$neededarr = array();
$forbiddenarr = array();
foreach($capabilities as $caprequired) {
list($neededarr[], $forbiddenarr[]) = get_roles_with_cap_in_context($context, $caprequired);
}
$rolesthatcanrate = array();
if (!empty($neededarr)) {
foreach ($neededarr as $needed) {
if (empty($rolesthatcanrate)) {
$rolesthatcanrate = $needed;
} else {
//only want roles that have all caps
$rolesthatcanrate = array_intersect_key($rolesthatcanrate,$needed);
}
}
}
if (!empty($forbiddenarr) && !empty($rolesthatcanrate)) {
foreach ($forbiddenarr as $forbidden) {
//remove any roles that are forbidden any of the caps
$rolesthatcanrate = array_diff($rolesthatcanrate, $forbidden);
}
}
return $rolesthatcanrate;
}
/**
* Returns an array of role names that have ALL of the the supplied capabilities
* Uses get_roles_with_caps_in_context(). Returns $allowed minus $forbidden
*
* @param object $context
* @param array $capabilities An array of capabilities
* @return array of roles with all of the required capabilities
*/
function get_role_names_with_caps_in_context($context, $capabilities) {
global $DB;
$rolesthatcanrate = get_roles_with_caps_in_context($context, $capabilities);
$allroles = array();
$roles = $DB->get_records('role', null, 'sortorder DESC');
foreach ($roles as $roleid=>$role) {
$allroles[$roleid] = $role->name;
}
$rolenames = array();
foreach ($rolesthatcanrate as $r) {
$rolenames[$r] = $allroles[$r];
}
$rolenames = role_fix_names($rolenames, $context);
return $rolenames;
}
/**
* This function verifies the prohibit comes from this context
* and there are no more prohibits in parent contexts.