helm/hosts/profiles/desktop/cal-alarms.nix
2022-12-18 00:49:01 +10:00

66 lines
1.9 KiB
Nix

{ pkgs, ... }:
{
systemd.services.cal-alarms = {
serviceConfig.Type = "simple";
path = [
pkgs.libnotify
pkgs.dunstify
pkgs.khal
];
startAt = "*08:00:00";
script = ''
#!/usr/bin/env bash
cache_file="${XDG_CACHE_HOME:-$HOME/.cache}/khal-events"
# events starting in the next TIMESPAN will trigger an alarm
timespan='60min'
# this is needed for cronjobs and Xorg
export DISPLAY=":0"
snooze_string='💤 Snooze all.'
dismiss_string=' Dismiss all.'
# only show events with symbol (=has alarm set)
# remove arrows for all-day events to only have one notification
# remove symbol because it is obvious
events="$(khal list --format \
'{cancelled}{start-style}{to-style}{end-style} {title}{description-separator}{description}{location}{repeat-symbol}{alarm-symbol}' \
now "${timespan}" \
| sed -ne '// p' \
| sed -e 's///g' -e 's/\(\|\|\)[^[:blank:]]*/all-day/g' \
| column -tl 3)"
# get events that are new compared to cache file
new_events="$(diff -NwU 0 "${cache_file}" - << EOF | sed -ne '/^\+[^+]/ p' \
| sed -ne 's/^\+\([[:print:]].*\)$/\1/p'
${events}
EOF
)"
[ -z "${new_events}" ] && exit 0
action="$(dunstify --action="default,Dismiss" --action="snooze,Snooze" "${new_events}")"
case "${action}" in
"snooze")
;;
"default")
printf '%s' "${events}" > "${cache_file}"
;;
*)
printf '%s' "${events}" | grep -Fve "${input}" > "${cache_file}"
;;
esac
'';
serviceConfig = {
User = "anish";
Environment = "DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus";
};
};
systemd.timers.cal-alarms = {
wantedBy = [ "timers.target" ];
partOf = [ "cal-alarms.service" ];
timerConfig.OnCalendar = [ "*:0/10" ];
};
}