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Added new function function fetch_context_independent_capabilities(). Modified fetch_context_capabilities() to use the former.

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Fixed get_roles_used_in_context() sql query. r.sortorder must be selected if it is to be used in an ORDER BY clause.
This commit is contained in:
vyshane 2006-09-20 08:30:49 +00:00
parent 1da5a36294
commit 759ac72de1
1 changed files with 56 additions and 26 deletions
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82
lib/accesslib.php
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@ -171,9 +171,7 @@ function get_parent_cats($context, $type) {
$parents = array();
switch ($type) {
case CONTEXT_COURSECAT:
if (!$cat = get_record('course_categories','id',$context->instanceid)) {
break;
}
@ -185,11 +183,9 @@ function get_parent_cats($context, $type) {
$parents[] = $context->id;
$cat = get_record('course_categories','id',$cat->parent);
}
break;
case CONTEXT_COURSE:
if (!$course = get_record('course', 'id', $context->instanceid)) {
break;
}
@ -214,9 +210,7 @@ function get_parent_cats($context, $type) {
default:
break;
}
return array_reverse($parents);
}
@ -418,7 +412,7 @@ function has_capability($capability, $context=NULL, $userid=NULL, $doanything=tr
* @return permission (int)
*/
function capability_search($capability, $context, $capabilities) {
global $USER, $CFG;
if (isset($capabilities[$context->id][$capability])) {
@ -1287,7 +1281,9 @@ function unassign_capability($capability, $roleid, $contextid=NULL) {
/**
* Get the roles that have a given capability.
* 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.
* @param $capability - capability name (string)
* @param $permission - optional, the permission defined for this capability
* either CAP_ALLOW, CAP_PREVENT or CAP_PROHIBIT
@ -1937,6 +1933,8 @@ function fetch_context_capabilities($context) {
}
$records = get_records_sql($SQL.' '.$sort);
$contextindependentcaps = fetch_context_independent_capabilities();
$records = array_merge($records, $contextindependentcaps);
// special sorting of core system capabiltites and enrollments
if ($context->aggregatelevel == CONTEXT_SYSTEM) {
@ -1954,15 +1952,35 @@ function fetch_context_capabilities($context) {
}
}
// end of special sorting
return $records;
}
/**
* Gets the context-independent capabilities that should be overrridable in
* any context.
* @return array of capability records from the capabilities table.
*/
function fetch_context_independent_capabilities() {
$contextindependentcaps = array(
'moodle/site:accessallgroups'
);
$records = array();
foreach ($contextindependentcaps as $capname) {
$record = get_record('capabilities', 'name', $capname);
array_push($records, $record);
}
return $records;
}
/**
* This function pulls out all the resolved capabilities (overrides and
* defaults) of a role used in capability overrieds in contexts at a given
* defaults) of a role used in capability overrides in contexts at a given
* context.
* @param obj $context
* @param int $roleid
@ -1986,7 +2004,7 @@ function role_context_capabilities($roleid, $context, $cap='') {
and rc.roleid = $roleid
and rc.contextid = c.id $search
ORDER BY c.aggregatelevel DESC, rc.capability DESC";
$capabilities = array();
if ($records = get_records_sql($SQL)) {
@ -2009,7 +2027,7 @@ function role_context_capabilities($roleid, $context, $cap='') {
* @return array()
*/
function get_parent_contexts($context) {
switch ($context->aggregatelevel) {
case CONTEXT_SYSTEM: // no parent
@ -2096,8 +2114,9 @@ function get_parent_contexts($context) {
}
}
/** gets a string for sql calls, searching for stuff
* in this context or above
/**
* Gets a string for sql calls, searching for stuff in this context or above
* @param object $context
* @return string
*/
@ -2108,6 +2127,8 @@ function get_related_contexts_string($context) {
return (' ='.$context->id);
}
}
/**
* This function gets the capability of a role in a given context.
* It is needed when printing override forms.
@ -2117,7 +2138,12 @@ function get_related_contexts_string($context) {
* @return int (allow, prevent, prohibit, inherit)
*/
function get_role_context_capability($contextid, $capability, $capabilities) {
return $capabilities[$contextid][$capability];
if (isset($capabilities[$contextid][$capability])) {
return $capabilities[$contextid][$capability];
}
else {
return false;
}
}
@ -2215,22 +2241,27 @@ function get_component_string($component, $contextlevel) {
return $string;
}
/** gets the list of roles assigned to this context
* and up (parents)
/**
* Gets the list of roles assigned to this context and up (parents)
* @param object $context
* @return array
*/
function get_roles_used_in_context($context) {
global $CFG;
$contextlist = get_related_contexts_string($context);
return get_records_sql("SELECT distinct r.id, r.name, r.shortname
FROM {$CFG->prefix}role_assignments ra,
{$CFG->prefix}role r
WHERE r.id = ra.roleid
AND ra.contextid $contextlist
ORDER BY r.sortorder ASC");
$sql = "SELECT DISTINCT r.id,
r.name,
r.shortname,
r.sortorder
FROM {$CFG->prefix}role_assignments ra,
{$CFG->prefix}role r
WHERE r.id = ra.roleid
AND ra.contextid $contextlist
ORDER BY r.sortorder ASC";
return get_records_sql($sql);
}
/** this function is used to print roles column in user profile page.
@ -2573,5 +2604,4 @@ function get_user_capability_course($capability, $userid='') {
}
}
return $usercourses;
}
?>
}