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1{ self, pkgs, ... }:
2let
3
4 tts = pkgs.writers.writeBashBin "tts" ''
5 set -efu
6 set -x
7
8 offset=0
9 OUTPUT=$(mktemp -d)
10 trap 'rm -rf "$OUTPUT"' EXIT
11 SPEAKER=$[ $RANDOM % 900 ]
12 while read line; do
13 echo "$line" |
14 ${pkgs.piper-tts}/bin/piper \
15 --model ${pkgs.fetchzip {
16 url = "https://github.com/rhasspy/piper/releases/download/v0.0.2/voice-en-us-libritts-high.tar.gz";
17 hash = "sha256-jCoK4p0O7BuF0nr6Sfj40tpivCvU5M3GHKQRg1tfIO8=";
18 stripRoot = false;
19 }}/en-us-libritts-high.onnx \
20 -s "$SPEAKER" \
21 -f "$OUTPUT"/"$offset".wav >/dev/null
22
23 ((offset+=1))
24 done
25
26 ${pkgs.sox}/bin/sox "$OUTPUT"/*.wav "$OUTPUT"/all.wav
27 cat "$OUTPUT"/all.wav
28 '';
29
30 send_to_radio = pkgs.writers.writeDashBin "send_to_radio" ''
31 ${pkgs.vorbis-tools}/bin/oggenc - |
32 ${pkgs.cyberlocker-tools}/bin/cput news.ogg
33 ${pkgs.curl}/bin/curl -fSs -X POST http://localhost:8002/newsshow
34 '';
35
36 gc_news = pkgs.writers.writeDashBin "gc_news" ''
37 set -xefu
38 export TZ=UTC #workaround for jq parsing wrong timestamp
39 ${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -cs 'map(select((.to|fromdateiso8601) > now)) | .[]' > $HOME/bla-news.tmp
40 ${pkgs.coreutils}/bin/mv $HOME/bla-news.tmp $HOME/news
41 '';
42
43 get_current_news = pkgs.writers.writeDashBin "get_current_news" ''
44 set -xefu
45 export TZ=UTC #workaround for jq parsing wrong timestamp
46 ${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -rs '
47 sort_by(.priority) |
48 map(select(
49 ((.to | fromdateiso8601) > now) and
50 (.from|fromdateiso8601) < now) |
51 .text
52 ) | .[]'
53 '';
54
55 newsshow = pkgs.writers.writeDashBin "newsshow" /* sh */ ''
56 cat << EOF
57 hello crabpeople!
58 $(${pkgs.ddate}/bin/ddate +'Today is %{%A, the %e of %B%}, %Y. %N%nCelebrate %H')
59 It is $(date --utc +%H) o clock UTC.
60 todays news:
61 $(get_current_news)
62 $(gc_news)
63 EOF
64 '';
65in
66{
67 systemd.services.newsshow = {
68 path = [
69 newsshow
70 tts
71 send_to_radio
72 gc_news
73 get_current_news
74 pkgs.retry
75 ];
76 script = ''
77 set -efu
78 retry -t 5 -d 10 -- newsshow |
79 retry -t 5 -d 10 -- tts |
80 retry -t 5 -d 10 -- send_to_radio
81 '';
82 startAt = "*:00:00";
83 serviceConfig = {
84 User = "radio-news";
85 };
86 };
87
88 services.nginx.virtualHosts."radio-news.r" = {
89 locations."/" = {
90 proxyPass = "http://localhost:7999";
91 proxyWebsockets = true;
92 extraConfig = ''
93 add_header 'Access-Control-Allow-Origin' '*';
94 add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
95 '';
96 };
97 };
98 imports = [
99 self.inputs.stockholm.nixosModules.htgen
100 ];
101 krebs.htgen.news = {
102 port = 7999;
103 user = {
104 name = "radio-news";
105 };
106 script = ''. ${pkgs.writers.writeDash "htgen-news" ''
107 set -xefu
108 case "''${Method:-GET} $Request_URI" in
109 "GET /")
110 printf 'HTTP/1.1 200 OK\r\n'
111 printf 'Connection: close\r\n'
112 printf '\r\n'
113 cat "$HOME"/news | jq -sc .
114 exit
115 ;;
116 "POST /")
117 payload=$(head -c "$req_content_length")
118 printf '%s' "$payload" | jq 'has("from") and has("to") and has("text")' >&2
119 printf '%s' "$payload" | jq -c '{ from: .from, to: .to, text: .text, priority: (.priority // 0)}' >> "$HOME"/news
120 printf 'HTTP/1.1 200 OK\r\n'
121 printf 'Connection: close\r\n'
122 printf '\r\n'
123 exit
124 ;;
125 esac
126 ''}'';
127 };
128
129 # debug
130 environment.systemPackages = [
131 send_to_radio
132 newsshow
133 tts
134 ];
135}