Merge branch 'MDL-62273-master' of https://github.com/sammarshallou/m…

…oodle

lib/classes/user.php

@@ -82,6 +82,13 @@ class core_user {
        'alternatename'
    ];

    /** @var int Indicates that user profile view should be prevented */
    const VIEWPROFILE_PREVENT = -1;
    /** @var int Indicates that user profile view should not be prevented */
    const VIEWPROFILE_DO_NOT_PREVENT = 0;
    /** @var int Indicates that user profile view should be allowed even if Moodle would prevent it */
    const VIEWPROFILE_FORCE_ALLOW = 1;

    /** @var stdClass keep record of noreply user */
    public static $noreplyuser = false;

user/lib.php

@@ -1154,6 +1154,33 @@ function user_can_view_profile($user, $course = null, $usercontext = null) {
        return true;
    }

    // Use callbacks so that (primarily) local plugins can prevent or allow profile access.
    $forceallow = false;
    $plugintypes = get_plugins_with_function('control_view_profile');
    foreach ($plugintypes as $plugins) {
        foreach ($plugins as $pluginfunction) {
            $result = $pluginfunction($user, $course, $usercontext);
            switch ($result) {
                case core_user::VIEWPROFILE_DO_NOT_PREVENT:
                    // If the plugin doesn't stop access, just continue to next plugin or use
                    // default behaviour.
                    break;
                case core_user::VIEWPROFILE_FORCE_ALLOW:
                    // Record that we are definitely going to allow it (unless another plugin
                    // returns _PREVENT).
                    $forceallow = true;
                    break;
                case core_user::VIEWPROFILE_PREVENT:
                    // If any plugin returns PREVENT then we return false, regardless of what
                    // other plugins said.
                    return false;
            }
        }
    }
    if ($forceallow) {
        return true;
    }

    // Course contacts have visible profiles always.
    if (has_coursecontact_role($user->id)) {
        return true;