From ea735d380b7f253d12da2217fa4361e36dc23ab4 Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Sun, 15 Mar 2026 20:09:46 -0400
Subject: [PATCH] arr: search for missing and cutoff-unmet media

---
 configuration.nix           |   1 +
 services/arr/arr-search.nix | 115 ++++++++++++++++++++++++++++++++++++
 services/arr/recyclarr.nix  |   2 +
 3 files changed, 118 insertions(+)
 create mode 100644 services/arr/arr-search.nix

diff --git a/configuration.nix b/configuration.nix
index 18f1e25..2c19e8b 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -39,6 +39,7 @@
     ./services/arr/bazarr.nix
     ./services/arr/jellyseerr.nix
     ./services/arr/recyclarr.nix
+    ./services/arr/arr-search.nix
     ./services/arr/init.nix
 
     ./services/soulseek.nix
diff --git a/services/arr/arr-search.nix b/services/arr/arr-search.nix
new file mode 100644
index 0000000..e2ee7ca
--- /dev/null
+++ b/services/arr/arr-search.nix
@@ -0,0 +1,115 @@
+{
+  pkgs,
+  service_configs,
+  ...
+}:
+let
+  radarrConfig = "${service_configs.radarr.dataDir}/config.xml";
+  sonarrConfig = "${service_configs.sonarr.dataDir}/config.xml";
+
+  radarrUrl = "http://localhost:${builtins.toString service_configs.ports.radarr}";
+  sonarrUrl = "http://localhost:${builtins.toString service_configs.ports.sonarr}";
+
+  curl = "${pkgs.curl}/bin/curl";
+  jq = "${pkgs.jq}/bin/jq";
+  grep = "${pkgs.gnugrep}/bin/grep";
+
+  # Max items to search per cycle per category (missing + cutoff) per app
+  maxPerCycle = 5;
+
+  searchScript = pkgs.writeShellScript "arr-search" ''
+    set -euo pipefail
+
+    RADARR_KEY=$(${grep} -oP '(?<=<ApiKey>)[^<]+' ${radarrConfig})
+    SONARR_KEY=$(${grep} -oP '(?<=<ApiKey>)[^<]+' ${sonarrConfig})
+
+    search_radarr() {
+      local endpoint="$1"
+      local label="$2"
+
+      local ids
+      ids=$(${curl} -sf --max-time 30 \
+        -H "X-Api-Key: $RADARR_KEY" \
+        "${radarrUrl}/api/v3/wanted/$endpoint?page=1&pageSize=${builtins.toString maxPerCycle}&monitored=true&sortKey=title&sortDirection=ascending" \
+        | ${jq} -r '.records[].id // empty')
+
+      if [ -z "$ids" ]; then
+        echo "radarr: no $label items"
+        return
+      fi
+
+      local id_array
+      id_array=$(echo "$ids" | ${jq} -Rs '[split("\n") | .[] | select(. != "") | tonumber]')
+      echo "radarr: searching $label: $id_array"
+
+      ${curl} -sf --max-time 60 \
+        -H "X-Api-Key: $RADARR_KEY" \
+        -H "Content-Type: application/json" \
+        -X POST "${radarrUrl}/api/v3/command" \
+        -d "{\"name\": \"MoviesSearch\", \"movieIds\": $id_array}" > /dev/null
+    }
+
+    search_sonarr() {
+      local endpoint="$1"
+      local label="$2"
+
+      local series_ids
+      series_ids=$(${curl} -sf --max-time 30 \
+        -H "X-Api-Key: $SONARR_KEY" \
+        "${sonarrUrl}/api/v3/wanted/$endpoint?page=1&pageSize=${builtins.toString maxPerCycle}&monitored=true&sortKey=title&sortDirection=ascending&includeSeries=true" \
+        | ${jq} -r '[.records[].seriesId] | unique | .[] // empty')
+
+      if [ -z "$series_ids" ]; then
+        echo "sonarr: no $label items"
+        return
+      fi
+
+      # search per series (sonarr searches by series, not episode)
+      for sid in $series_ids; do
+        echo "sonarr: searching $label series $sid"
+        ${curl} -sf --max-time 60 \
+          -H "X-Api-Key: $SONARR_KEY" \
+          -H "Content-Type: application/json" \
+          -X POST "${sonarrUrl}/api/v3/command" \
+          -d "{\"name\": \"SeriesSearch\", \"seriesId\": $sid}" > /dev/null
+      done
+    }
+
+    echo "=== arr-search $(date -Iseconds) ==="
+
+    search_radarr "missing" "missing"
+    search_radarr "cutoff" "cutoff-unmet"
+
+    search_sonarr "missing" "missing"
+    search_sonarr "cutoff" "cutoff-unmet"
+
+    echo "=== done ==="
+  '';
+in
+{
+  systemd.services.arr-search = {
+    description = "Search for missing and cutoff-unmet media in Radarr/Sonarr";
+    after = [
+      "network-online.target"
+      "radarr.service"
+      "sonarr.service"
+    ];
+    wants = [ "network-online.target" ];
+
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "+${searchScript}"; # + prefix: runs as root to read API keys from config.xml
+      TimeoutSec = 300;
+    };
+  };
+
+  systemd.timers.arr-search = {
+    description = "Periodically search for missing and cutoff-unmet media";
+    wantedBy = [ "timers.target" ];
+    timerConfig = {
+      OnCalendar = "*-*-* 03:00:00"; # daily at 3 AM
+      Persistent = true; # run on boot if missed
+      RandomizedDelaySec = "30m";
+    };
+  };
+}
diff --git a/services/arr/recyclarr.nix b/services/arr/recyclarr.nix
index da7414f..1dd9876 100644
--- a/services/arr/recyclarr.nix
+++ b/services/arr/recyclarr.nix
@@ -58,6 +58,7 @@ in
             upgrade = {
               allowed = true;
               until_quality = "Remux-2160p";
+              until_score = 0;
             };
             qualities = [
               { name = "Remux-2160p"; }
@@ -132,6 +133,7 @@ in
             upgrade = {
               allowed = true;
               until_quality = "WEB 2160p";
+              until_score = 0;
             };
             qualities = [
               {