summaryrefslogtreecommitdiffstats
path: root/lass/2configs/services/radio/news.nix
blob: a9cddb62aa0a25cdb3ffebd847bd4ab6b2fc4ab4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
{ config, lib, pkgs, ... }:
let

  tts = pkgs.writers.writeBashBin "tts" ''
    set -efu

    offset=0
    OUTPUT=$(mktemp -d)
    trap 'rm -rf "$OUTPUT"' EXIT
    SPEAKER=$[ $RANDOM % 900 ]
    while read line; do
      echo "$line" |
        ${pkgs.larynx}/bin/larynx \
          --model ${pkgs.fetchzip {
            url = "https://github.com/rhasspy/piper/releases/download/v0.0.2/voice-en-us-libritts-high.tar.gz";
            hash = "sha256-jCoK4p0O7BuF0nr6Sfj40tpivCvU5M3GHKQRg1tfIO8=";
            stripRoot = false;
          }}/en-us-libritts-high.onnx \
          -s "$SPEAKER" \
          -f "$OUTPUT"/"$offset".wav

      ((offset+=1))
    done

    ${pkgs.sox}/bin/sox "$OUTPUT"/*.wav "$OUTPUT"/all.wav
    cat "$OUTPUT"/all.wav
  '';

  send_to_radio = pkgs.writers.writeDashBin "send_to_radio" ''
    ${pkgs.vorbis-tools}/bin/oggenc - |
      ${pkgs.cyberlocker-tools}/bin/cput news.ogg
    ${pkgs.curl}/bin/curl -fSs -X POST http://localhost:8002/newsshow
  '';

  gc_news = pkgs.writers.writeDashBin "gc_news" ''
    set -xefu
    export TZ=UTC #workaround for jq parsing wrong timestamp
    ${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
    export TZ=UTC #workaround for jq parsing wrong timestamp
    ${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -rs '
      sort_by(.priority) |
      map(select(
        ((.to | fromdateiso8601) > now) and
        (.from|fromdateiso8601) < now) |
        .text
      ) | .[]'
  '';

  newsshow = pkgs.writers.writeDashBin "newsshow" /* sh */ ''
    cat << EOF
    hello crabpeople!
    $(${pkgs.ddate}/bin/ddate +'Today is %{%A, the %e of %B%}, %Y. %N%nCelebrate %H')
    It is $(date --utc +%H) o clock UTC.
    todays news:
    $(get_current_news)
    $(gc_news)
    EOF
  '';
in
{
  systemd.services.newsshow = {
    path = [
      newsshow
      tts
      send_to_radio
      gc_news
      get_current_news
      pkgs.retry
    ];
    script = ''
      set -efu
      retry -t 5 -d 10 -- newsshow |
        retry -t 5 -d 10 -- tts |
        retry -t 5 -d 10 -- send_to_radio
    '';
    startAt = "*:00:00";
    serviceConfig = {
      User = "radio-news";
    };
  };

  services.nginx.virtualHosts."radio-news.r" = {
    locations."/" = {
      proxyPass = "http://localhost:7999";
      proxyWebsockets = true;
      extraConfig = ''
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
      '';
    };
  };
  krebs.htgen.news = {
    port = 7999;
    user = {
      name = "radio-news";
    };
    script = ''. ${pkgs.writers.writeDash "htgen-news" ''
      set -xefu
      case "''${Method:-GET} $Request_URI" in
        "GET /")
          printf 'HTTP/1.1 200 OK\r\n'
          printf 'Connection: close\r\n'
          printf '\r\n'
          cat "$HOME"/news | jq -sc .
          exit
        ;;
        "POST /")
          payload=$(head -c "$req_content_length")
          printf '%s' "$payload" | jq 'has("from") and has("to") and has("text")' >&2
          printf '%s' "$payload" | jq -c '{ from: .from, to: .to, text: .text, priority: (.priority // 0)}' >> "$HOME"/news
          printf 'HTTP/1.1 200 OK\r\n'
          printf 'Connection: close\r\n'
          printf '\r\n'
          exit
        ;;
      esac
    ''}'';
  };

  # debug
  environment.systemPackages = [
    send_to_radio
    newsshow
  ];
}