Remove config parameter "Last Checked For Update" from AppSettings.cfg and fix ishandles (#39)

% Logging

On

% Last Checked For Update

25-Jan-2021 16:34:45

% Check For Updates

on

function dt = GetLastCheckForUpdates()

if ~ispathvalid([getAppDir, 'LastCheckForUpdates.dat'])

    dt = datetime - duration(200,0,0);

else

    fd = fopen([getAppDir, 'LastCheckForUpdates.dat'],'rt');

    dt = fgetl(fd);

    fclose(fd);

end

function SetLastCheckForUpdates(dt)

if ~exist('dt','var') && ispathvalid([getAppDir, 'LastCheckForUpdates.dat'])

    return;

end

if ~exist('dt','var')

    dt = datetime;

end

fd = fopen([getAppDir, 'LastCheckForUpdates.dat'],'wt');

fprintf(fd, '%s\n', dt);

fclose(fd);

if (strcmp(cfg.GetValue('Check For Updates'),'on'))

    % If it has been a week since Homer checked for an update

         if (datetime - cfg.GetValue('Last Checked For Update') > duration(168,0,0))

    if (datetime - GetLastCheckForUpdates() > duration(168,0,0))        

        url = 'https://openfnirs.org/software/homer/homer3/';        

            promptFlag = false;

        [s,status] = urlread(url,'timeout',4);

        if (~status)

            % App is offline or server could not be reached

            fprintf('Server could not be reached to check for updates.')

            return

        end        

            cfg.SetValue('Last Checked For Update', datetime);

        SetLastCheckForUpdates(datetime);

        % Open a hidden web browser

        wb = com.mathworks.mde.webbrowser.WebBrowser.createBrowser;

        pause(1);  % To ensure <script> is run

        close(wb);

            cfg.Save();

    end

end

cfg.Close();

end

% ------------------------------------------------------------------------------

function v1_greater = compareVernum(v1, v2)

v1_greater = false;

for i = 1:max([length(v1), length(v2)])

        return

    end

end

end

vrnnum{1} = '1';   % Major version #

vrnnum{2} = '29';  % Major sub-version #

vrnnum{3} = '9';   % Minor version #

vrnnum{3} = '11';   % Minor version #

vrnnum{4} = '0';   % Minor sub-version # or patch #: 'p1', 'p2', etc