UserModel::getInvitationCount PHP Method

    public function getInvitationCount($UserID)
    {
        // If this user is master admin, they should have unlimited invites.
        if ($this->SQL->select('UserID')->from('User')->where('UserID', $UserID)->where('Admin', '1')->get()->numRows() > 0) {
            return -1;
        }
        // Get the Registration.InviteRoles settings:
        $InviteRoles = Gdn::config('Garden.Registration.InviteRoles', []);
        if (!is_array($InviteRoles) || count($InviteRoles) == 0) {
            return 0;
        }
        // Build an array of roles that can send invitations
        $CanInviteRoles = [];
        foreach ($InviteRoles as $RoleID => $Invites) {
            if ($Invites > 0 || $Invites == -1) {
                $CanInviteRoles[] = $RoleID;
            }
        }
        if (count($CanInviteRoles) == 0) {
            return 0;
        }
        // See which matching roles the user has
        $UserRoleData = $this->SQL->select('RoleID')->from('UserRole')->where('UserID', $UserID)->whereIn('RoleID', $CanInviteRoles)->get();
        if ($UserRoleData->numRows() == 0) {
            return 0;
        }
        // Define the maximum number of invites the user is allowed to send
        $InviteCount = 0;
        foreach ($UserRoleData->result() as $UserRole) {
            $Count = $InviteRoles[$UserRole->RoleID];
            if ($Count == -1) {
                $InviteCount = -1;
            } elseif ($InviteCount != -1 && $Count > $InviteCount) {
                $InviteCount = $Count;
            }
        }
        // If the user has unlimited invitations, return that value
        if ($InviteCount == -1) {
            return -1;
        }
        // Get the user's current invitation settings from their profile
        $User = $this->SQL->select('CountInvitations, DateSetInvitations')->from('User')->where('UserID', $UserID)->get()->firstRow();
        // If CountInvitations is null (ie. never been set before) or it is a new month since the DateSetInvitations
        if ($User->CountInvitations == '' || is_null($User->DateSetInvitations) || Gdn_Format::date($User->DateSetInvitations, '%m %Y') != Gdn_Format::date('', '%m %Y')) {
            // Reset CountInvitations and DateSetInvitations
            $this->SQL->put($this->Name, ['CountInvitations' => $InviteCount, 'DateSetInvitations' => Gdn_Format::date('', '%Y-%m-01')], ['UserID' => $UserID]);
            return $InviteCount;
        } else {
            // Otherwise return CountInvitations
            return $User->CountInvitations;
        }
    }