feat: celan telegram bot

configs/telegram-bots/celan.nix

@@ -0,0 +1,35 @@
+{
+  pkgs,
+  lib,
+  ...
+}: let
+  celan = pkgs.fetchzip {
+    url = "http://c.krebsco.de/celan.tar.gz";
+    sha256 = "sha256-nA+EwAH2vkeolsy9AoPLEMt1uGKDZe/aPrS95CZvuus=";
+  };
+in {
+  niveum.telegramBots.celan = {
+    enable = true;
+    time = "08:00";
+    token = lib.strings.fileContents <system-secrets/telegram/kmein.token>;
+    chatIds = ["@PaulCelan"];
+    command = toString (pkgs.writers.writeDash "random-celan" ''
+      cd ${celan}
+      poem="$(${pkgs.findutils}/bin/find . -type f | ${pkgs.coreutils}/bin/shuf -n1)"
+      source="$(${pkgs.coreutils}/bin/dirname "$poem" | ${pkgs.gnused}/bin/sed 's#^\./##;s/[-_]/ /g;s!/! › !g;s/0\([0-9]\+\)/\1/g')"
+      cat "$poem"
+      echo
+      printf "Aus: %s\n" "$source"
+    '');
+  };
+
+  systemd.timers.telegram-bot-hesychius.timerConfig.RandomizedDelaySec = "10h";
+
+  niveum.passport.services = [
+    {
+      title = "Paul Celan Bot";
+      description = "sends a random poem by Paul Celan to Telegram.";
+      link = "https://t.me/PaulCelan";
+    }
+  ];
+}

configs/telegram-bots/default.nix

@@ -22,6 +22,7 @@ in {
     ./smyth.nix
     ./nachtischsatan.nix
     ./tlg-wotd.nix
+    ./celan.nix
     <niveum/modules/telegram-bot.nix>
   ];