#!/bin/bash                                                                                                                                                                                                          
#
# mkopus- create opus
#
# This script NEEDS to be run on www
#
# 20120827 - overhaul to accommodate opus changes
# 20111218 - initial implementation
#

##
## Bootstrap
##
source ~/bin/lib/gnops.sh
hostchk www 
cd /usr/local/etc/mth

##
## Configuration and Variables
##
PATH=$PATH:/home/wedge/bin
SEMESTER="`gn semester`"
OPUSPATH="/var/www/lab46web/data/pages/opus/${SEMESTER}"
YEAR="`date +%Y`"
MONTH="`date +%B`"

# Verify that ${OPUSPATH} exists
#
if [ ! -e "${OPUSPATH}" ]; then
    mkdir -p ${OPUSPATH}
fi

if [ -z "${1}" ]; then  # no part was specified on the command line
    part=1
else
    part="${1}"
fi

echo "Processing . . ."

for student in `gn list`; do
    echo -n " -> $student: "
    pt= 

    if [ ! -e "${OPUSPATH}/${student}" ]; then
        mkdir -p ${OPUSPATH}/${student}
    fi  

    for section in start title intro; do
        if [ ! -e "${OPUSPATH}/${student}/${section}.txt" ]; then 
            cat ${OPUSPATH}/${section}.txt | sed "s/SEMESTER/${SEMESTER}/g" | sed "s/USER/${student}/g" | sed "s/YEAR/${YEAR}/g" | sed "s/MONTH/${MONTH}/g" > ${OPUSPATH}/${student}/${section}.txt
            echo -n "${section} "
        fi
            done

    if [ ! -e "${OPUSPATH}/${student}/part${part}.txt" ]; then 
        cp ${OPUSPATH}/part.txt ${OPUSPATH}/${student}/part${part}.txt
        echo -n "part${part}( "
        pt=1
    fi

    for course in `gn deref ${student}`; do
        if [ ! -e "${OPUSPATH}/${student}/${course}part${part}.txt" ]; then 
            cat ${OPUSPATH}/keyword0.txt | sed "s/DESIG/${course}/g" | sed "s/NUM/${part}/g" >> ${OPUSPATH}/${student}/part${part}.txt
            cat ${OPUSPATH}/keyword1.txt | sed "s/DESIG/${course}/g" | sed "s/NUM/${part}/g" >> ${OPUSPATH}/${student}/${course}part${part}.txt
            echo -n "${course} "
        fi
    done

    if [ ! -z "${pt}" ]; then
        echo -n ") "
    fi

    if [ "`cat ${OPUSPATH}/${student}/part${part}.txt | grep "Experiment ${part}" | wc -l`" -eq 0 ]; then
        cat ${OPUSPATH}/experiment.txt | sed "s/NUM/${part}/g" >> ${OPUSPATH}/${student}/part${part}.txt
        echo -n "experiment "
    fi
    echo "."
done
echo "PROCESSING COMPLETE."

echo
echo "ESTABLISHING PROPER ACCESS CONTROL... "
sudo chmod -R u=rwX,g=rwX,o= ${OPUSPATH}
sudo chown -R wedge:www-data ${OPUSPATH}
echo "OPUS CREATION TASK COMPLETE"

exit 0