'.&mt("Unable to create new Excel file. ". - "This error has been logged. ". - "Please alert your LON-CAPA administrator"). - '
'); - return undef; - } - # - $workbook->set_tempdir('/home/httpd/perl/tmp'); - # - my $format = &Apache::loncommon::define_excel_formats($workbook); - my $worksheet = $workbook->addworksheet('Student Submission Data'); - # - # Make sure we get new weight data instead of data on a 10 minute delay - &Apache::lonnet::clear_EXT_cache_status(); - # - # Put on the standard headers and whatnot - my $rows_output=0; - $worksheet->write($rows_output++,0,$resource->{'title'},$format->{'h1'}); - $worksheet->write($rows_output++,0,$resource->{'src'},$format->{'h3'}); - $rows_output++; - $worksheet->write_row($rows_output++,0,\@Columns,$format->{'bold'}); - # - # Populate the worksheet with the student data - foreach my $student (@$Students) { - my $results = &Apache::loncoursedata::get_response_data_by_student - ($student,$resource->{'symb'},$respid); - my %row; - $row{'username'} = $student->{'username'}; - $row{'domain'} = $student->{'domain'}; - $row{'correct'} = $student->{'answer'}; - $row{'weight'} = &Apache::lonnet::EXT - ('resource.'.$partid.'.weight',$resource->{'symb'}, - undef,undef,undef); - if (! defined($results) || ref($results) ne 'ARRAY') { - $row{'score'} = '='. - &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell - ($rows_output,$awarded_col) - .'*'. - &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell - ($rows_output,$weight_col); - my $cols_output = 0; - foreach my $col (@Columns) { - if (! exists($row{$col})) { - $cols_output++; - next; - } - $worksheet->write($rows_output,$cols_output++,$row{$col}); - } - $rows_output++; - } else { - foreach my $response (@$results) { - delete($row{'time'}); - delete($row{'attempt'}); - delete($row{'submission'}); - delete($row{'awarded'}); - delete($row{'grading'}); - delete($row{'score'}); - my %row_format; - # - # Time is handled differently - $row{'time'} = &calc_serial( - $response->[&Apache::loncoursedata::RDs_timestamp()]); - $row_format{'time'}=$format->{'date'}; - # - $row{'attempt'} = $response->[ - &Apache::loncoursedata::RDs_tries()]; - $row{'submission'} = $response->[ - &Apache::loncoursedata::RDs_submission()]; - $row{'grading'} = $response->[ - &Apache::loncoursedata::RDs_awarddetail()]; - $row{'awarded'} = $response->[ - &Apache::loncoursedata::RDs_awarded()]; - $row{'score'} = '='. - &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell - ($rows_output,$awarded_col) - .'*'. - &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell - ($rows_output,$weight_col); - my $cols_output = 0; - foreach my $col (@Columns) { - $worksheet->write($rows_output,$cols_output++,$row{$col}, - $row_format{$col}); - } - $rows_output++; - } - } # End of else clause on if (! defined($results) .... - } - # - # Close the excel file - $workbook->close(); - # - # Write a link to allow them to download it - $r->print(''."\n"); - -} - - -######################################################### -######################################################### -## ## Numerical Response Routines ## ######################################################### @@ -385,9 +257,8 @@ sub GetStudentAnswers { foreach my $student (@$Students) { my $sname = $student->{'username'}; my $sdom = $student->{'domain'}; - my $answer = &analyze_problem_as_student($resource, - $sname,$sdom, - $partid,$respid); + my $answer = &Apache::lonstathelpers::analyze_problem_as_student + ($resource,$sname,$sdom,$partid,$respid); &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, &mt('last student')); $student->{'answer'} = $answer; @@ -1258,7 +1129,7 @@ sub OR_build_response_data_worksheet { } $worksheet->write($rows_output,$cols_output++,$student); $worksheet->write($rows_output,$cols_output++, - &calc_serial($time),$format->{'date'}); + &Apache::lonstathelpers::calc_serial($time),$format->{'date'}); $worksheet->write($rows_output,$cols_output++,$award); $worksheet->write($rows_output,$cols_output++,$tries); foreach my $foilid (@$Foils) { @@ -1273,185 +1144,6 @@ sub OR_build_response_data_worksheet { return; } - -## -## The following is copied from datecalc1.pl, part of the -## Spreadsheet::WriteExcel CPAN module. -## -## -###################################################################### -# -# Demonstration of writing date/time cells to Excel spreadsheets, -# using UNIX/Perl time as source of date/time. -# -# Copyright 2000, Andrew Benham, adsb@bigfoot.com -# -###################################################################### -# -# UNIX/Perl time is the time since the Epoch (00:00:00 GMT, 1 Jan 1970) -# measured in seconds. -# -# An Excel file can use exactly one of two different date/time systems. -# In these systems, a floating point number represents the number of days -# (and fractional parts of the day) since a start point. The floating point -# number is referred to as a 'serial'. -# The two systems ('1900' and '1904') use different starting points: -# '1900'; '1.00' is 1 Jan 1900 BUT 1900 is erroneously regarded as -# a leap year - see: -# http://support.microsoft.com/support/kb/articles/Q181/3/70.asp -# for the excuse^H^H^H^H^H^Hreason. -# '1904'; '1.00' is 2 Jan 1904. -# -# The '1904' system is the default for Apple Macs. Windows versions of -# Excel have the option to use the '1904' system. -# -# Note that Visual Basic's "DateSerial" function does NOT erroneously -# regard 1900 as a leap year, and thus its serials do not agree with -# the 1900 serials of Excel for dates before 1 Mar 1900. -# -# Note that StarOffice (at least at version 5.2) does NOT erroneously -# regard 1900 as a leap year, and thus its serials do not agree with -# the 1900 serials of Excel for dates before 1 Mar 1900. -# -###################################################################### -# -# Calculation description -# ======================= -# -# 1900 system -# ----------- -# Unix time is '0' at 00:00:00 GMT 1 Jan 1970, i.e. 70 years after 1 Jan 1900. -# Of those 70 years, 17 (1904,08,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68) -# were leap years with an extra day. -# Thus there were 17 + 70*365 days = 25567 days between 1 Jan 1900 and -# 1 Jan 1970. -# In the 1900 system, '1' is 1 Jan 1900, but as 1900 was not a leap year -# 1 Jan 1900 should really be '2', so 1 Jan 1970 is '25569'. -# -# 1904 system -# ----------- -# Unix time is '0' at 00:00:00 GMT 1 Jan 1970, i.e. 66 years after 1 Jan 1904. -# Of those 66 years, 17 (1904,08,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68) -# were leap years with an extra day. -# Thus there were 17 + 66*365 days = 24107 days between 1 Jan 1904 and -# 1 Jan 1970. -# In the 1904 system, 2 Jan 1904 being '1', 1 Jan 1970 is '24107'. -# -###################################################################### -# -# Copyright (c) 2000, Andrew Benham. -# This program is free software. It may be used, redistributed and/or -# modified under the same terms as Perl itself. -# -# Andrew Benham, adsb@bigfoot.com -# London, United Kingdom -# 11 Nov 2000 -# -###################################################################### - -# Use 1900 date system on all platforms other than Apple Mac (for which -# use 1904 date system). -my $DATE_SYSTEM = ($^O eq 'MacOS') ? 1 : 0; - -#----------------------------------------------------------- -# calc_serial() -# -# Called with (up to) 2 parameters. -# 1. Unix timestamp. If omitted, uses current time. -# 2. GMT flag. Set to '1' to return serial in GMT. -# If omitted, returns serial in appropriate timezone. -# -# Returns date/time serial according to $DATE_SYSTEM selected -#----------------------------------------------------------- -sub calc_serial { - my $time = (defined $_[0]) ? $_[0] : time(); - my $gmtflag = (defined $_[1]) ? $_[1] : 0; - - # Divide timestamp by number of seconds in a day. - # This gives a date serial with '0' on 1 Jan 1970. - my $serial = $time / 86400; - - # Adjust the date serial by the offset appropriate to the - # currently selected system (1900/1904). - if ($DATE_SYSTEM == 0) { # use 1900 system - $serial += 25569; - } else { # use 1904 system - $serial += 24107; - } - - unless ($gmtflag) { - # Now have a 'raw' serial with the right offset. But this - # gives a serial in GMT, which is false unless the timezone - # is GMT. We need to adjust the serial by the appropriate - # timezone offset. - # Calculate the appropriate timezone offset by seeing what - # the differences between localtime and gmtime for the given - # time are. - - my @gmtime = gmtime($time); - my @ltime = localtime($time); - - # For the first 7 elements of the two arrays, adjust the - # date serial where the elements differ. - for (0 .. 6) { - my $diff = $ltime[$_] - $gmtime[$_]; - if ($diff) { - $serial += _adjustment($diff,$_); - } - } - } - - # Perpetuate the error that 1900 was a leap year by decrementing - # the serial if we're using the 1900 system and the date is prior to - # 1 Mar 1900. This has the effect of making serial value '60' - # 29 Feb 1900. - - # This fix only has any effect if UNIX/Perl time on the platform - # can represent 1900. Many can't. - - unless ($DATE_SYSTEM) { - $serial-- if ($serial < 61); # '61' is 1 Mar 1900 - } - return $serial; -} - -sub _adjustment { - # Based on the difference in the localtime/gmtime array elements - # number, return the adjustment required to the serial. - - # We only look at some elements of the localtime/gmtime arrays: - # seconds unlikely to be different as all known timezones - # have an offset of integral multiples of 15 minutes, - # but it's easy to do. - # minutes will be different for timezone offsets which are - # not an exact number of hours. - # hours very likely to be different. - # weekday will differ when localtime/gmtime difference - # straddles midnight. - # - # Assume that difference between localtime and gmtime is less than - # 5 days, then don't have to do maths for day of month, month number, - # year number, etc... - - my ($delta,$element) = @_; - my $adjust = 0; - - if ($element == 0) { # Seconds - $adjust = $delta/86400; # 60 * 60 * 24 - } elsif ($element == 1) { # Minutes - $adjust = $delta/1440; # 60 * 24 - } elsif ($element == 2) { # Hours - $adjust = $delta/24; # 24 - } elsif ($element == 6) { # Day of week number - # Catch difference straddling Sat/Sun in either direction - $delta += 7 if ($delta < -4); - $delta -= 7 if ($delta > 4); - - $adjust = $delta; - } - return $adjust; -} - sub build_foil_index { my ($ORdata) = @_; return if (! exists($ORdata->{'_Foils'})); @@ -1764,84 +1456,6 @@ sub Process_OR_Row { return %RowData; } - -sub analyze_problem_as_student { - my ($resource,$sname,$sdom,$partid,$respid) = @_; - my $url = $resource->{'src'}; - my $symb = $resource->{'symb'}; - my $courseid = $ENV{'request.course.id'}; - my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze', - 'grade_domain' => $sdom, - 'grade_username' => $sname, - 'grade_symb' => $symb, - 'grade_courseid' => $courseid)); - (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); - my %Answer=&Apache::lonnet::str2hash($Answ); - my $key = $partid.'.'.$respid.'.answer'; - my $student_answer = $Answer{$key}->[0]; - if (! defined($student_answer)) { - $student_answer = $Answer{$key}->[1]; - } - return ($student_answer); -} - -## -## get problem data and put it into a useful data structure. -## note: we must force each foil and option to not begin or end with -## spaces as they are stored without such data. -## -sub get_problem_data { - my ($url) = @_; - my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze')); - (my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); - my %Answer; - %Answer=&Apache::lonnet::str2hash($Answ); - my %Partdata; - foreach my $part (@{$Answer{'parts'}}) { - while (my($key,$value) = each(%Answer)) { - # - # Logging code: - if (0) { - &Apache::lonnet::logthis($part.' got key "'.$key.'"'); - if (ref($value) eq 'ARRAY') { - &Apache::lonnet::logthis(' '.join(',',@$value)); - } else { - &Apache::lonnet::logthis(' '.$value); - } - } - # End of logging code - next if ($key !~ /^$part/); - $key =~ s/^$part\.//; - if (ref($value) eq 'ARRAY') { - if ($key eq 'options') { - $Partdata{$part}->{'_Options'}=$value; - } elsif ($key eq 'concepts') { - $Partdata{$part}->{'_Concepts'}=$value; - } elsif ($key =~ /^concept\.(.*)$/) { - my $concept = $1; - foreach my $foil (@$value) { - $Partdata{$part}->{'_Foils'}->{$foil}->{'_Concept'}= - $concept; - } - } elsif ($key =~ /^(incorrect|answer|ans_low|ans_high)$/) { - $Partdata{$part}->{$key}=$value; - } - } else { - if ($key=~ /^foil\.text\.(.*)$/) { - my $foil = $1; - $Partdata{$part}->{'_Foils'}->{$foil}->{'name'}=$foil; - $value =~ s/(\s*$|^\s*)//g; - $Partdata{$part}->{'_Foils'}->{$foil}->{'text'}=$value; - } elsif ($key =~ /^foil\.value\.(.*)$/) { - my $foil = $1; - $Partdata{$part}->{'_Foils'}->{$foil}->{'value'}=$value; - } - } - } - } - return %Partdata; -} - 1; __END__