move jellyfin-rpc module to nixos service

modules/nixos/default.nix

@@ -5,4 +5,5 @@
   # List your module files here
   # my-module = import ./my-module.nix;
   qbittorrent = import ./qbittorrent.nix;
+  jellyfin-rpc = import ./jellyfin-rpc.nix;
 }

modules/nixos/jellyfin-rpc.nix

@@ -0,0 +1,131 @@
+{ lib, pkgs, config, ... }:
+
+with lib;
+
+let
+  cfg = config.services.jellyfin-rpc;
+  UID = 999;
+  GID = 999;
+in
+{
+  options.services.jellyfin-rpc = {
+    enable = mkEnableOption "jellyfin-rpc service";
+
+    user = mkOption {
+      type = types.str;
+      default = "jellyfin-rpc";
+      description = lib.mdDoc ''
+        User account under which jellyfin-rpc runs.
+      '';
+    };
+
+    group = mkOption {
+      type = types.str;
+      default = "jellyfin-rpc";
+      description = lib.mdDoc ''
+        Group under which jellyfin-rpc runs.
+      '';
+    };
+
+    jellyfin.url = mkOption {
+      type = types.str;
+      default = "https://example.com";
+      description = ''
+       Url to jellyfin server.
+      '';
+    };
+
+    jellyfin.apiKey = mkOption {
+      type = types.str;
+      default = "sadasodsapasdskd";
+      description = ''
+        Jellyfin API key, you can get one at http(s)://your_jellyfin_url/web/#!/apikeys.html
+      '';
+    };
+
+    jellyfin.username = mkOption {
+      type = types.str;
+      default = "my_user";
+      description = ''
+        Username used to log in to jellyfin.
+      '';
+    };
+
+    discordApplicationID = mkOption {
+      type = types.str;
+      default = "1053747938519679018";
+      description = ''
+        Discord application ID, you can make one here https://discord.com/developers/applications
+      '';
+    };
+
+    imgurClientID = mkOption {
+      type = types.str;
+      default = "asdjdjdg394209fdjs093";
+      description = ''
+        Imgur Client ID, goto https://api.imgur.com/oauth2/addclient
+      '';
+    };
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.jellyfin-rpc;
+      defaultText = literalExpression "pkgs.jellyfin-rpc";
+      example = literalExpression "pkgs.jellyfin-rpc";
+      description = ''
+        Jellyfin-RPC derivation to use.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+
+    systemd.services.jellyfin-rpc = {
+      description = "jellyfin-rpc service";
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig = {
+        Type = "simple";
+        User = cfg.user;
+        Group = cfg.group;
+
+        ExecStart = "${cfg.package}/bin/jellyfin-rpc --config /etc/jellyfin-rpc/main.json";
+      };
+    };
+
+    environment.etc."jellyfin-rpc/main.json".text = ''
+      {
+          "jellyfin": {
+              "url": "${cfg.jellyfin.url}",
+              "api_key": "${cfg.jellyfin.apiKey}",
+              "username": ["${cfg.jellyfin.username}"],
+              "music": {
+                  "display": ["year", "album"]
+              }
+          },
+          "discord": {
+              "application_id": "${cfg.discordApplicationID}"
+          },
+          "imgur": {
+              "client_id": "${cfg.imgurClientID}"
+          },
+          "images": {
+              "enable_images": true,
+              "imgur_images": true
+          }
+      }
+    '';
+
+    users.users = mkIf (cfg.user == "jellyfin-rpc") {
+      jellyfin-rpc = {
+        group = cfg.group;
+        uid = UID;
+      };
+    };
+
+    users.groups = mkIf (cfg.group == "jellyfin-rpc") {
+      jellyfin-rpc = { gid = GID; };
+    };
+  };
+  }
+