Shell script to update timetables for uOttawa schedule generator

timetables-updater.sh

#!/bin/bash
#
# Script to update course time tables and restart the schedule generator with the new schedules
#

/bin/su --shell=/bin/bash schedgen <<'EOF'
    cd "/etc/schedgen/uOttawa Schedule Generator/course-download"
    mv db_activities.csv db_activities.csv.old ; mv db_courses.csv db_courses.csv.old ; mv db_sections.csv db_sections.csv.old
    /usr/bin/xvfb-run ./getCourses.py && \
    ./getTimetables.py -p 8
    # Get skipped courses recursively
    if [ $? -eq 0 ]; then
        OUTPUT0=`./getTimetables.py -s | egrep '^Done work\.'`
        OUTPUT1=" "
        while [ `echo "$OUTPUT1" | grep -c "$OUTPUT0"` -ne 1 ]; do
            OUTPUT1=`./getTimetables.py -s | egrep '^Done work\.'`
            echo "Presently OUTPUT0 is $OUTPUT0"
            echo "Presently OUTPUT1 is $OUTPUT1"
            if [ `echo "$OUTPUT1" | grep -c "$OUTPUT0"` -eq 1 ]; then
                break
            else
                OUTPUT0="$OUTPUT1"
                OUTPUT1=" "
            fi
            echo " "
        done
        rm *.old
        # Remove courses that have no activities
        while read -r line; do
            if [ `grep -c "$line" db_activities.csv` -eq 0 ]; then
                echo "Removing course: $line"
                sed "/$line/d" db_courses.csv > tmp && mv tmp db_courses.csv
            fi
        done < courses.txt
        exit 0
    else
        rm *.csv
        mv db_activities.csv.old db_activities.csv; mv db_courses.csv.old db_courses.csv ; mv db_sections.csv.old db_sections.csv
        exit 1
    fi
EOF

if [ $? -eq 0 ]; then
    /bin/systemctl restart schedule-generator
    /bin/rm -f /var/www/schl/schedgen/latest.tar.gz /var/www/schl/schedgen/archive/courses-`date +%F`.tar.gz
    cd /etc/schedgen/uOttawa\ Schedule\ Generator/course-download && /bin/tar -czf /var/www/schl/schedgen/archive/courses-`date +%F`.tar.gz *.csv *.txt
    /bin/ln -s /var/www/schl/schedgen/archive/courses-`date +%F`.tar.gz /var/www/schl/schedgen/latest.tar.gz
else
    /bin/echo "Update on `/bin/date` failed" > /var/log/timetables-updater.log
fi