departure/departure.sh

306 lines
11 KiB
Bash
Executable File

#!/bin/bash
###### configuration #####
# stations to display
STATION_ID[0]="18"
STATION_ID[1]="202"
LOGO_L[ 0]="\\t\\t████████████████████████████████████████████████"
LOGO_L[ 1]="\\t\\t██▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒██"
LOGO_L[ 2]="\\t\\t██▒▒████████████████████████████████████████▒▒██"
LOGO_L[ 3]="\\t\\t██▒▒██████████▒▒██▒▒████████████▒▒██▒▒██████▒▒██"
LOGO_L[ 4]="\\t\\t██▒▒████▒▒▒▒▒▒████▒▒██████▒▒▒▒▒▒████▒▒██████▒▒██"
LOGO_L[ 5]="\\t\\t██▒▒████▒▒████████████▒▒██▒▒████████████▒▒██▒▒██"
LOGO_L[ 6]="\\t\\t██▒▒████▒▒████████▒▒██▒▒██▒▒████████▒▒██▒▒██▒▒██"
LOGO_L[ 7]="\\t\\t██▒▒██████████▒▒██▒▒██▒▒████████▒▒██▒▒██▒▒██▒▒██"
LOGO_L[ 8]="\\t\\t██▒▒██▒▒▒▒▒▒▒▒██▒▒██▒▒██▒▒▒▒▒▒▒▒██▒▒██▒▒████▒▒██"
LOGO_L[ 9]="\\t\\t██▒▒████████████████████████████████████████▒▒██"
LOGO_L[10]="\\t\\t██▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒██"
LOGO_L[11]="\\t\\t████████████████████████████████████████████████"
LOGO_L[12]="\\t\\t""\e[1m"" C H A O S C H E M N I T Z . D E ""\e[0m""\\n"
LOGO_S[0]="\\t\\t█▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀█ "
LOGO_S[1]="\\t\\t█ █████▀█▀██████▀█▀███ █ "
LOGO_S[2]="\\t\\t█ ██ ▄▄██▄█▀█ ▄▄██▄█▀█ █ "
LOGO_S[3]="\\t\\t█ ██▄██▀█ █ █▄██▀█ █ █ █ "
LOGO_S[4]="\\t\\t█ █▄▄▄▄█▄█▄█▄▄▄▄█▄█▄██ █ "
LOGO_S[5]="\\t\\t█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄█ "
PROPAGANDA="
\t\t┌──────────────────────────────────────────────────────────┐
\t\t│""\e[7m"" Der Chaostreff Chemnitz (ChCh) ist ein lockeres Treffen ""\e[27m""│
\t\t│""\e[7m"" von technikbegeisterten und kreativen Menschen. Als ""\e[27m""│
\t\t│""\e[7m"" Chaostreff fühlen wir uns dem Chaos Computer Club (CCC) ""\e[27m""│
\t\t│""\e[7m"" nahe. ""\e[27m""│
\t\t│""\e[7m"" ""\e[27m""│
\t\t│""\e[7m"" Besucht uns online oder Montags im zweiten Stock. ""\e[27m""│
\t\t└──────────────────────────────────────────────────────────┘
\t\t""\e[1m"" C H A O S C H E M N I T Z . D E ""\e[0m"
##########################
if [ -z "$(which jq)" ]; then
printf "\\n\\n\\n\\tPackage \"jq\" required!"
exit 1
fi
trap do_exit INT
do_exit() {
tput cvvis # unhide cursor
exit 0
}
# hide cursor
tput civis
# ohne dieses IFS trennt BASH an Space und erstellt damit zu viele Array-Felder
IFS="
"
append_five_line_symbol()
{
local -n LINES=$1
case $2 in
"0")
LINES[0]+=" █████"
LINES[1]+=" █ █"
LINES[2]+=" █ █"
LINES[3]+=" █ █"
LINES[4]+=" █ █"
LINES[5]+=" █████"
;;
"1")
LINES[0]+=" █"
LINES[1]+=" █"
LINES[2]+=" █"
LINES[3]+=" █"
LINES[4]+=" █"
LINES[5]+=" █"
;;
"2")
LINES[0]+=" █████"
LINES[1]+=" █"
LINES[2]+=" ▄▄▄▄█"
LINES[3]+=" █▀▀▀▀"
LINES[4]+=" █ "
LINES[5]+=" █████"
;;
"3")
LINES[0]+=" █████"
LINES[1]+=" █"
LINES[2]+=" ▄▄▄▄█"
LINES[3]+=" ▀▀▀▀█"
LINES[4]+=" █"
LINES[5]+=" █████"
;;
"4")
LINES[0]+=" █ █"
LINES[1]+=" █ █"
LINES[2]+=" █▄▄▄█"
LINES[3]+=" ▀▀▀▀█"
LINES[4]+=" █"
LINES[5]+=" █"
;;
"5")
LINES[0]+=" █████"
LINES[1]+=" █ "
LINES[2]+=" █▄▄▄▄"
LINES[3]+=" ▀▀▀▀█"
LINES[4]+=" █"
LINES[5]+=" █████"
;;
"6")
LINES[0]+=" █████"
LINES[1]+=" █ "
LINES[2]+=" █▄▄▄▄"
LINES[3]+=" █▀▀▀█"
LINES[4]+=" █ █"
LINES[5]+=" █████"
;;
"7")
LINES[0]+=" █████"
LINES[1]+=" █"
LINES[2]+=" █"
LINES[3]+=" █"
LINES[4]+=" █"
LINES[5]+=" █"
;;
"8")
LINES[0]+=" █████"
LINES[1]+=" █ █"
LINES[2]+=" █▄▄▄█"
LINES[3]+=" █▀▀▀█"
LINES[4]+=" █ █"
LINES[5]+=" █████"
;;
"9")
LINES[0]+=" █████"
LINES[1]+=" █ █"
LINES[2]+=" █▄▄▄█"
LINES[3]+=" ▀▀▀▀█"
LINES[4]+=" █"
LINES[5]+=" █████"
;;
":")
LINES[0]+=" "
LINES[1]+=" ███ "
LINES[2]+=" ▀▀▀ "
LINES[3]+=" ▄▄▄ "
LINES[4]+=" ███ "
LINES[5]+=" "
;;
*)
esac
}
get_cvag_station_name()
{
local -n _STATION_NAME=$1
local -n _STATION_ID=$2
COMPLETE_STATION_LIST="$(curl --connect-timeout 5 -s "http://www.cvag.de/eza/mis/stations?minLat=0&maxLat=100&minLon=0&maxLon=100")"
[ -z "$(echo $COMPLETE_STATION_LIST | grep -oe "^{.*}$")" ] && return 1
for ((i=0; i<${#_STATION_ID[*]}; i++)); do
case ${_STATION_ID[$i]} in
""|*[!0-9]*)
_STATION_NAME[$i]=$(echo -n "$COMPLETE_STATION_LIST" | jq -r ".stations | .[] | select(.displayName | contains(${_STATION_ID[$i]})) | .number")
;;
*)
_STATION_NAME[$i]=$(echo -n "$COMPLETE_STATION_LIST" | jq -r ".stations | .[] | select(.number | contains(${_STATION_ID[$i]})) | .displayName")
;;
esac
done
}
SYSTEM_TIME_DELTA=0
STATION_SCHEDULE=()
get_cvag_station_info()
{
local -n _STATION_STOPS=$2
local -n _STATION_NOW=$3
local -n _STATION_DESTINATIONS=$4
local -n _STATION_LINES=$5
local -n _STATION_ACTUAL_DEPARTURE=$6
local -n _THISDATE=$7
_ERROR=0
THIS_STATION_SCHEDULE="$(curl --connect-timeout 5 -s "http://www.cvag.de/eza/mis/stops/station/CAG-${STATION_ID[$1]}")"
[ ! -z "$(echo "$THIS_STATION_SCHEDULE" | grep -oe "^{.*}$")" ] && STATION_SCHEDULE[$1]=$THIS_STATION_SCHEDULE || _ERROR=1 # return data from cache
[ -z "$STATION_SCHEDULE[$1]" ] && _ERROR=2 # no data cached yet
_STATION_STOPS=$(echo "${STATION_SCHEDULE[$1]}" | jq -r ".stops | .[]")
_STATION_NOW=$(echo "${STATION_SCHEDULE[$1]}" | jq -r ".now")
_STATION_DESTINATIONS=($(echo -n "$_STATION_STOPS" | jq -r ".destination"))
_STATION_LINES=($(echo -n "$_STATION_STOPS" | jq -r ".line"))
_STATION_ACTUAL_DEPARTURE=($(echo -n "$_STATION_STOPS" | jq -r ".actualDeparture"))
[ ${#_STATION_NOW} -lt 1 ] && _STATION_NOW="0"
_REALSTATION_NOW=$(( "$_STATION_NOW" / 1000))
[ $_ERROR -eq 0 ] && SYSTEM_TIME_DELTA=$(($_REALSTATION_NOW-$(date +%s))) || _STATION_NOW=$((($(date +%s)+$SYSTEM_TIME_DELTA)*1000))
_THISDATE="$(date --date="@$_REALSTATION_NOW" +"%d.%m.%Y %T")"
return $_ERROR
}
draw_logo_time()
{
local -n _MYOUTPUT=$1
local TIME=$2
LOGO_TIME=("${LOGO_S[@]}")
for((k=1; k<6; k++)); do
append_five_line_symbol LOGO_TIME "$(date --date="@$TIME" +"%H:%M" | cut -b"$k")"
done
_MYOUTPUT="\\n\\n${LOGO_TIME[0]}\\n${LOGO_TIME[1]}\\n${LOGO_TIME[2]}\\n${LOGO_TIME[3]}\\n${LOGO_TIME[4]}\\n${LOGO_TIME[5]}"
}
draw_large_logo()
{
clear
echo -e "\n\n\n\n\n"
for ((j=0; j<="${#LOGO_L[*]}"; j++)); do
echo -e "${LOGO_L[$j]}"
done
}
print_chch_propaganda()
{
clear
draw_logo_time LOGO_AND_TIME $(($(date +%s)+$SYSTEM_TIME_DELTA))
echo -e "$LOGO_AND_TIME"
echo -e "$PROPAGANDA"
sleep 10
}
LOGO_LINES_POSITION=0
STATION_NAME=()
print_cvag_schedule()
{
[ ${#STATION_NAME[*]} -eq 0 ] && get_cvag_station_name STATION_NAME STATION_ID
if [ ${#STATION_NAME[*]} -eq 0 ]; then
clear
echo -e "\\n\\n\\n\\tService unavailable!"
else
MYOUTPUT=()
MYOUTPUT[0]="\\n "
for ((j=0; j<="${#STATION_ID[*]}"; j++)); do
if [ ! "$j" -eq "$LOGO_LINES_POSITION" ]; then
[ "$j" -gt "$LOGO_LINES_POSITION" ] && THIS_STATION_ID=$(($j-1)) || THIS_STATION_ID=$j
get_cvag_station_info $THIS_STATION_ID STATION_STOPS STATION_NOW STATION_DESTINATIONS STATION_LINES STATION_ACTUAL_DEPARTURE THISDATE
STATION_INFO_ERR=$?
if [ ! $STATION_INFO_ERR -eq 2 ]; then # FIXME: add warning, when STATION_INFO_ERR == 1
CACHE_WARN=" "; [ $STATION_INFO_ERR -eq 1 ] && CACHE_WARN="/""\e[5m""!""\e[25m""\\"
MYOUTPUT[$j]="${MYOUTPUT[$j]}\n\n\
\t\t┌─────────────────────────┬────────────────────────────────┐ \n\
\t\t│ ${STATION_NAME[$THIS_STATION_ID]}$(printf "%-$((24-${#STATION_NAME[$THIS_STATION_ID]}))s" "")│ Stand: $THISDATE $CACHE_WARN │\n\
\t\t├─────────────┬─────┬─────┴────────────────────────────────┤\n"
for ((i=0; i<"${#STATION_LINES[*]}"; i++)); do
MILLIS=$((${STATION_ACTUAL_DEPARTURE[$i]} - STATION_NOW)); [ "$MILLIS" -lt 0 ] && MILLIS=0
SEKS=$((MILLIS / 1000)); MINS=$((SEKS / 60)); SEKS=$((SEKS % 60))
MYOUTPUT[$j]="${MYOUTPUT[$j]}\
\t\t│$(printf "%-$((3-${#MINS}))s" "")$MINS min $(printf "%-$((2-${#SEKS}))s" "")$SEKS s │ $(printf "%-$((3-${#STATION_LINES[$i]}))s" "")${STATION_LINES[$i]}${STATION_DESTINATIONS[$i]}$(printf "%-$((36-${#STATION_DESTINATIONS[$i]}))s" "") │\\n"
done
MYOUTPUT[$j]="${MYOUTPUT[$j]}\
\t\t└─────────────┴─────┴──────────────────────────────────────┘"
fi
fi
done
draw_logo_time LOGO_AND_TIME $(($(date +%s)+$SYSTEM_TIME_DELTA))
MYOUTPUT[$LOGO_LINES_POSITION]="$LOGO_AND_TIME"
LOGO_LINES_POSITION=$(((LOGO_LINES_POSITION + 1) % (${#STATION_ID[*]} + 1)))
clear
for ((j=0; j<="${#STATION_ID[*]}"; j++)); do
echo -e "${MYOUTPUT[$j]}"
done
fi
}
update_and_restart()
{
cd "$(dirname "$0")"
[ -d ".git" ] && git pull >/dev/null || sleep 10
exec ./$(basename -- "$0") "skip_initial_update"
}
draw_large_logo
SKIP_UPDATE="$1"
[ "$SKIP_UPDATE" = "skip_initial_update" ] && sleep 10
ROUND_COUNT=0
while true; do
[ $ROUND_COUNT -eq 0 -a ! "$SKIP_UPDATE" = "skip_initial_update" ] && update_and_restart
SKIP_UPDATE=""
if [ $(($ROUND_COUNT % 20)) -eq 0 ]; then
print_chch_propaganda
else
print_cvag_schedule
fi
ROUND_COUNT=$((($ROUND_COUNT + 1) % 60))
sleep 10
done
exit 1