From 89c58a371e41fc982fbaf0ab899e1f00880a40fa Mon Sep 17 00:00:00 2001
From: Yan Lin <github@yanlincs.com>
Date: Sun, 21 Sep 2025 21:51:17 +0200
Subject: [PATCH] Add timer to yt-dlp subscribe functionality

---
 hosts/nixos/hs/home.nix |  8 +++++---
 modules/yt-dlp.nix      | 41 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 45 insertions(+), 4 deletions(-)

diff --git a/hosts/nixos/hs/home.nix b/hosts/nixos/hs/home.nix
index d9a0807..83413dc 100644
--- a/hosts/nixos/hs/home.nix
+++ b/hosts/nixos/hs/home.nix
@@ -15,10 +15,12 @@
     subscriptions = {
       enable = true;
       feeds = [
-        # Example feed - replace with your actual subscriptions
-        "https://www.youtube.com/feeds/videos.xml?channel_id=UCovVc-qqwYp8oqwO3Sdzx7w"
+        "https://www.youtube.com/feeds/videos.xml?channel_id=UCm22FAXZMw1BaWeFszZxUKw"
+        "https://www.youtube.com/feeds/videos.xml?channel_id=UCYwVxWpjeKFWwu8TML-Te9A"
       ];
-      maxVideosPerFeed = 1; # Start with just 3 videos per feed for testing
+      interval = "*-*-* 08:00:00";
+      randomDelay = "1h";
+      maxVideosPerFeed = 5;
     };
   };
   
diff --git a/modules/yt-dlp.nix b/modules/yt-dlp.nix
index 853a421..02eee8a 100644
--- a/modules/yt-dlp.nix
+++ b/modules/yt-dlp.nix
@@ -39,10 +39,17 @@ in
       interval = mkOption {
         type = types.str;
         default = "hourly";
-        example = "*-*-* *:30:00";
+        example = "*-*-* */4:00:00";
         description = "Systemd timer schedule for checking subscriptions";
       };
 
+      randomDelay = mkOption {
+        type = types.str;
+        default = "0";
+        example = "30m";
+        description = "Random delay before running subscription check (e.g., '30m', '1h')";
+      };
+
       maxVideosPerFeed = mkOption {
         type = types.int;
         default = 5;
@@ -409,5 +416,37 @@ in
         ''}
       }
     '';
+
+    # Systemd user service and timer for subscription checking
+    systemd.user.services.yt-dlp-subscriptions = mkIf cfg.subscriptions.enable {
+      Unit = {
+        Description = "Check YouTube RSS subscriptions and download new videos";
+        After = [ "network-online.target" ];
+        Wants = [ "network-online.target" ];
+      };
+      
+      Service = {
+        Type = "oneshot";
+        ExecStart = "${pkgs.bash}/bin/bash -lc 'check-youtube-subscriptions'";
+        StandardOutput = "journal";
+        StandardError = "journal";
+      };
+    };
+
+    systemd.user.timers.yt-dlp-subscriptions = mkIf cfg.subscriptions.enable {
+      Unit = {
+        Description = "Timer for YouTube subscription checks";
+      };
+      
+      Timer = {
+        OnCalendar = cfg.subscriptions.interval;
+        Persistent = true;
+        RandomizedDelaySec = cfg.subscriptions.randomDelay;
+      };
+      
+      Install = {
+        WantedBy = [ "timers.target" ];
+      };
+    };
   };
 }