#!/bin/sh
# Fritz Sieker
#set -x

# take the SUMMARY grade file for an assignment and split it by sections
# results are left in ~/public_html/private directory. The SUMMARY file
# is produced by the grading scripts and contain a login/score pair on each
# line. It is assumed that one or more files with names of the form:
#
#      CS-161-001.login
#
# exist in the $CheckinDir directory. These files are created by the
# ~/bin/makeUsers script which creates one file per section. The resulting
# files are named
#
#    XXX-001.csv
#
# where XXX is the assignment name(s)passed as parameter(s)s to this script

# -----------------------------------------------------------------------------
splitOneAssignment() {
  assignName=$1
  echo "Splitting: $assignName"
  gradesDir=~/public_html/private/gradesDir
  summaryFile=$gradesDir/grades.$assignName

  for loginFile in `ls $CheckinDir/*.login`
  do
    bName=`basename $loginFile .login`
    echo "Getting grades for: $bName"
    section=`echo $bName | cut -d- -f3`
    gradeFile=$gradesDir/${assignName}-${section}.csv
    touch $gradeFile

FS=

    while read login
    do
      fgrep "${login}," $summaryFile >> $gradeFile
    done < $loginFile
  done
}

# -----------------------------------------------------------------------------

if [ $# -lt 1 ]
then
  echo "Usage: splitGrades <assignmentName> [assignmentName]*"
  echo
  echo "Ex: splitGrades PA1"
  exit 1
fi

if [ -z "$CheckinDir" ]
then
  CheckinDir=~/Checkin
fi

while [ $# -gt 0 ]
do
  assignName=$1
  splitOneAssignment $assignName
  shift
done