mpd-mpris: add module

2022-12-27 18:15:51 +01:00 · 2022-12-27 18:15:51 +01:00 · 5e889b385c
commit 5e889b385c
parent 72ce74d3ea
12 changed files with 212 additions and 0 deletions
--- a/modules/services/mpd-mpris.nix
+++ b/modules/services/mpd-mpris.nix
@ -0,0 +1,110 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.mpd-mpris;
+
+  ignoreIfLocalMpd = value: if cfg.mpd.useLocal then null else value;
+
+  renderArg = name: value:
+    if lib.isBool value && value then
+      "-${name}"
+    else if lib.isInt value then
+      "-${name} ${toString value}"
+    else if lib.isString value then
+      "-${name} ${lib.escapeShellArg value}"
+    else
+      "";
+
+  concatArgs = strings:
+    lib.concatStringsSep " " (lib.filter (s: s != "") strings);
+
+  renderArgs = args: concatArgs (lib.mapAttrsToList renderArg args);
+
+  renderCmd = pkg: args: "${pkg}/bin/mpd-mpris ${renderArgs args}";
+in {
+  meta.maintainers = [ lib.hm.maintainers.olmokramer ];
+
+  options.services.mpd-mpris = {
+    enable = lib.mkEnableOption
+      "mpd-mpris: An implementation of the MPRIS protocol for MPD";
+
+    package = lib.mkPackageOption pkgs "mpd-mpris" { };
+
+    mpd = {
+      useLocal = lib.mkOption {
+        type = lib.types.bool;
+        default = config.services.mpd.enable;
+        defaultText = lib.literalExpression "config.services.mpd.enable";
+        description = ''
+          Whether to configure for the local MPD daemon. If
+          <literal>true</literal> the <literal>network</literal>,
+          <literal>host</literal>, and <literal>port</literal>
+          settings are ignored.
+        '';
+      };
+
+      network = lib.mkOption {
+        type = with lib.types; nullOr str;
+        default = null;
+        description = ''
+          The network used to dial to the MPD server. Check
+          <link xlink:href="https://golang.org/pkg/net/#Dial" />
+          for available values (most common are "tcp" and "unix")
+        '';
+      };
+
+      host = lib.mkOption {
+        type = with lib.types; nullOr str;
+        default = null;
+        example = "192.168.1.1";
+        description = "The address where MPD is listening for connections.";
+      };
+
+      port = lib.mkOption {
+        type = with lib.types; nullOr port;
+        default = null;
+        description = ''
+          The port number where MPD is listening for connections.
+        '';
+      };
+
+      password = lib.mkOption {
+        type = with lib.types; nullOr str;
+        default = null;
+        description = ''
+          The password to connect to MPD.
+        '';
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    assertions = [
+      (lib.hm.assertions.assertPlatform "services.mpd-mpris" pkgs
+        lib.platforms.linux)
+    ];
+
+    systemd.user.services.mpd-mpris = {
+      Install = { WantedBy = [ "default.target" ]; };
+
+      Unit = {
+        Description =
+          "mpd-mpris: An implementation of the MPRIS protocol for MPD";
+        After = [ "mpd.service" ];
+        Requires = lib.mkIf cfg.mpd.useLocal [ "mpd.service" ];
+      };
+
+      Service = {
+        Type = "simple";
+        Restart = "on-failure";
+        RestartSec = "5s";
+        ExecStart = renderCmd cfg.package {
+          no-instance = true;
+          network = ignoreIfLocalMpd cfg.mpd.network;
+          host = ignoreIfLocalMpd cfg.mpd.host;
+          port = ignoreIfLocalMpd cfg.mpd.port;
+          pwd = cfg.mpd.password;
+        };
+      };
+    };
+  };
+}