stockholm/lass/2configs/radio-news.nix
2022-02-20 00:19:23 +01:00

100 lines
2.9 KiB
Nix

{ config, lib, pkgs, ... }:
let
weather_report = pkgs.writers.writeDashBin "weather_report" ''
set -efu
${pkgs.curl}/bin/curl -fsSL https://wttr.in/''${1-}?format=j1 \
| ${pkgs.jq}/bin/jq -r '
[.nearest_area[0] | "Weather report for \(.areaName[0].value), \(.country[0].value)."]
+ [.current_condition[0] | "Currently it is \(.weatherDesc[0].value) outside with a temperature of \(.temp_C) degrees."]
| join("\n")
'
'';
send_to_radio = pkgs.writers.writeDashBin "send_to_radio" ''
${pkgs.vorbisTools}/bin/oggenc - |
${pkgs.libshout}/bin/shout --format ogg --host localhost --port 1338 --mount /live
'';
gc_news = pkgs.writers.writeDashBin "gc_news" ''
set -xefu
${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -cs 'map(select((.to|fromdateiso8601) > now)) | .[]' > $HOME/bla-news.tmp
${pkgs.coreutils}/bin/mv $HOME/bla-news.tmp $HOME/news
'';
get_current_news = pkgs.writers.writeDashBin "get_current_news" ''
set -xefu
${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -rs 'map(select(((.to | fromdateiso8601) > now) and (.from|fromdateiso8601) < now) | .text) | .[]'
'';
newsshow = pkgs.writers.writeDashBin "newsshow" /* sh */ ''
echo "
hello crabpeople!
$(${pkgs.ddate}/bin/ddate | sed 's/YOLD/Year of Discord/')!
It is $(date --utc +%H) o clock UTC.
todays news:
$(get_current_news)
$(gc_news)
$(weather_report berlin)
$(weather_report 70173)
$(weather_report munich)
"
'';
in
{
systemd.services.newsshow = {
path = [
newsshow
send_to_radio
gc_news
get_current_news
weather_report
pkgs.curl
pkgs.retry
];
script = ''
set -efu
retry -t 5 -d 10 -- newsshow |
retry -t 5 -d 10 -- curl -fSsG http://tts.r/api/tts --data-urlencode 'text@-' |
retry -t 5 -d 10 -- send_to_radio
'';
startAt = "*:00:00";
serviceConfig = {
User = "radio-news";
};
};
krebs.iptables.tables.filter.INPUT.rules = [
{ predicate = "-p tcp --dport 7999"; target = "ACCEPT"; }
];
krebs.htgen.news = {
port = 7999;
user = {
name = "radio-news";
};
script = ''. ${pkgs.writers.writeDash "htgen-news" ''
set -xefu
case "$Method $Request_URI" in
"POST /")
payload=$(head -c "$req_content_length" \
| sed 's/+/ /g;s/%\(..\)/\\x\1/g;' \
| xargs -0 echo -e \
)
echo "$payload" | jq 'has("from") and has("to") and has("text")' >&2
echo "$payload" | jq -c '{ from: (.from | fromdate | todate), to: (.to | fromdate | todate), text: .text }' >> $HOME/news
printf 'HTTP/1.1 200 OK\r\n'
printf 'Connection: close\r\n'
printf '\r\n'
exit
;;
esac
''}'';
};
## debug
# environment.systemPackages = [
# weather_report
# send_to_radio
# newsshow
# ];
}