#!/bin/sh
# tmww plugin: log
# whatis: log online activity (who logged on/off and when)
# conflicts: versionlog, versiontable
# depends: -
# recommends: versionlog, versiontable

# this file is part of tmww - the mana world watcher
# willee, 2012-2014
# GPL v3

# check if not run as plugin
if [ "$TMWW_PLUGINS" != "yes" ] ; then
    echo >&2 "This script is tmww plugin and rely heavily on it's facilities."
    exit 1
fi

help_log() {
    cat << EOF
log -- log online activity (who logged on/off and when)

    IMPORTANT: run "log" action only after you performed "fetch"

    example crontab entry:
    */5 * * * * /path/to/tmww -a log -d 240 tmw.org >/dev/null 2>&1

Command line options: -- (no commands)
EOF
}

[ "$TMWW_PLUGINHELP" = "yes" ] && help_log && return 0
[ "$TMWW_PLUGINEXPORT" = "yes" ] && return 0

TMWW_LOGLOCK="${TMWW_LOCK}/tmww-log-${servername}"

set_log_lock() {
    check_lock "log" "${TMWW_LOGLOCK}" 35
}

unset_log_lock() {
    rmdir "${TMWW_LOGLOCK}" 2>/dev/null
}

# check if nothing to do
[ ! -s "${list_logon}" ] && [ ! -s "${list_logoff}" ] && return 0

set_log_lock

# prepare report file
TMWW_LOGPATH="${TMWW_LOGPATH:-${HOME}/log/tmww}"
log_path="${TMWW_LOGPATH}/${servername}/$(date -u +%Y-%m)"
check_dir "$log_path"
log_file="$log_path/$(date -u +%d).yml"

exec 3>&1 1>>${log_file}

echo "- time: \"${servertime}\""
[ -s "$list_logon" ] && echo "  logon: [ $( make_qcsv < "${list_logon}" ) ]"
[ -s "$list_logoff" ] && echo "  logoff: [ $( make_qcsv < "${list_logoff}" ) ]"

exec 1>&3 3>&-

unset_log_lock

return 0