--- loncom/homework/grades.pm 2008/11/11 16:40:47 1.529 +++ loncom/homework/grades.pm 2008/12/15 20:55:38 1.536 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Grading handler # -# $Id: grades.pm,v 1.529 2008/11/11 16:40:47 jms Exp $ +# $Id: grades.pm,v 1.536 2008/12/15 20:55:38 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -26,183 +26,8 @@ # http://www.lon-capa.org/ # -=head1 NAME - -Apache::grades - -=head1 SYNOPSIS - -Handles the viewing of grades. - -This is part of the LearningOnline Network with CAPA project -described at http://www.lon-capa.org. - -=head1 OVERVIEW - -Do an ssi with retries: -While I'd love to factor out this with the vesrion in lonprintout, -that would either require a data coupling between modules, which I refuse to perpetuate (there's quite enough of that already), or would require the invention of another infrastructure -I'm not quite ready to invent (e.g. an ssi_with_retry object). - -At least the logic that drives this has been pulled out into loncommon. - - - -ssi_with_retries - Does the server side include of a resource. - if the ssi call returns an error we'll retry it up to - the number of times requested by the caller. - If we still have a proble, no text is appended to the - output and we set some global variables. - to indicate to the caller an SSI error occurred. - All of this is supposed to deal with the issues described - in LonCAPA BZ 5631 see: - http://bugs.lon-capa.org/show_bug.cgi?id=5631 - by informing the user that this happened. - -Parameters: - resource - The resource to include. This is passed directly, without - interpretation to lonnet::ssi. - form - The form hash parameters that guide the interpretation of the resource - - retries - Number of retries allowed before giving up completely. -Returns: - On success, returns the rendered resource identified by the resource parameter. -Side Effects: - The following global variables can be set: - ssi_error - If an unrecoverable error occurred this becomes true. - It is up to the caller to initialize this to false - if desired. - ssi_error_resource - If an unrecoverable error occurred, this is the value - of the resource that could not be rendered by the ssi - call. - ssi_error_message - The error string fetched from the ssi response - in the event of an error. -=head1 HANDLER SUBROUTINE - -ssi_with_retries() - -=head1 OTHER SUBROUTINES - -=over - -=item * - - -scantron_get_correction() : - - Builds the interface screen to interact with the operator to fix a - specific error condition in a specific scanline - - Arguments: - $r - Apache request object - $i - number of the current scanline - $scan_record - hash ref as returned from &scantron_parse_scanline() - $scan_config - hash ref as returned from &get_scantron_config() - $line - full contents of the current scanline - $error - error condition, valid values are - 'incorrectCODE', 'duplicateCODE', - 'doublebubble', 'missingbubble', - 'duplicateID', 'incorrectID' - $arg - extra information needed - For errors: - - duplicateID - paper number that this studentID was seen before on - - duplicateCODE - array ref of the paper numbers this CODE was - seen on before - - incorrectCODE - current incorrect CODE - - doublebubble - array ref of the bubble lines that have double - bubble errors - - missingbubble - array ref of the bubble lines that have missing - bubble errors - -=item * - -scantron_get_maxbubble() : - - Returns the maximum number of bubble lines that are expected to - occur. Does this by walking the selected sequence rendering the - resource and then checking &Apache::lonxml::get_problem_counter() - for what the current value of the problem counter is. - - Caches the results to $env{'form.scantron_maxbubble'}, - $env{'form.scantron.bubble_lines.n'}, - $env{'form.scantron.first_bubble_line.n'} and - $env{"form.scantron.sub_bubblelines.n"} - which are the total number of bubble, lines, the number of bubble - lines for response n and number of the first bubble line for response n, - and a comma separated list of numbers of bubble lines for sub-questions - (for optionresponse, matchresponse, and rankresponse items), for response n. - - -=item * - -scantron_validate_missingbubbles() : - - Validates all scanlines in the selected file to not have any - answers that don't have bubbles that have not been verified - to be bubble free. - -=item * - -scantron_process_students() : - - Routine that does the actual grading of the bubble sheet information. - - The parsed scanline hash is added to %env - - Then foreach unskipped scanline it does an &Apache::lonnet::ssi() - foreach resource , with the form data of - - 'submitted' =>'scantron' - 'grade_target' =>'grade', - 'grade_username'=> username of student - 'grade_domain' => domain of student - 'grade_courseid'=> of course - 'grade_symb' => symb of resource to grade - - This triggers a grading pass. The problem grading code takes care - of converting the bubbled letter information (now in %env) into a - valid submission. - -=item * - -scantron_upload_scantron_data() : - - Creates the screen for adding a new bubble sheet data file to a course. - -=item * - -scantron_upload_scantron_data_save() : - - Adds a provided bubble information data file to the course if user - has the correct privileges to do so. - -=item * - -valid_file() : - - Validates that the requested bubble data file exists in the course. - -=item * - -scantron_download_scantron_data() : - - Shows a list of the three internal files (original, corrected, - skipped) for a specific bubble sheet data file that exists in the - course. - -=item * - -scantron_validate_ID() : - - Validates all scanlines in the selected file to not have any - invalid or underspecified student IDs - -=back - -=cut - package Apache::grades; use strict; use Apache::style; @@ -1818,7 +1643,7 @@ sub gradeBox { my $radio.='
\n"; @@ -2933,8 +2758,10 @@ sub handback_files { $newflg.'_'.$part_resp.'_returndoc'.$file_counter, $save_file_name); if ($result !~ m|^/uploaded/|) { - $request->print('An error occurred ('.$result. - ') while trying to upload '.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.' |