init the service

modules/services/default.nix

@@ -17,5 +17,6 @@
     ./vscode-server.nix
     ./wanikani-bypass-lessons.nix
     ./wanikani-fetch-data
+    ./wanikani-stats
   ];
 }

modules/services/wanikani-stats/app.py

@@ -0,0 +1,30 @@
+import zipfile
+import json
+from pathlib import Path
+import streamlit as st
+import pandas as pd
+import matplotlib.pyplot as plt
+
+DATA_DIR = Path("/var/lib/wanikani-logs")
+
+def load_data():
+    records = []
+    for zip_path in sorted(DATA_DIR.glob("wanikani_data_*.zip")):
+        st.write(f"Processing {zip_path.name}...")
+        # with zipfile.ZipFile(zip_path) as z:
+        #     for name in z.namelist():
+        #         with z.open(name) as f:
+        #             data = json.load(f)
+        #             date = zip_path.stem.split("_")[-1]
+        #             # Adapt below to match your JSON structure
+        #             record = {
+        #                 "date": date,
+        #                 "available_lessons": data.get("lessons", {}).get("available", 0),
+        #                 "level": data.get("level", 0),
+        #             }
+        #             records.append(record)
+    # return pd.DataFrame(records)
+
+st.title("📈 WaniKani Progress Tracker")
+# df = load_data()
+# st.line_chart(df.set_index("date"))

modules/services/wanikani-stats/default.nix

@@ -0,0 +1,61 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+let
+  wanikani-stats-streamlit = pkgs.writeShellApplication {
+    name = "wanikani-stats-streamlit";
+    runtimeInputs = [
+      pkgs.python312.withPackages (
+          ppkgs:
+            with pkgs.python312Packages; [
+              pip
+              streamlit
+            ]
+        )
+    ];
+    text = ''
+      #!/usr/bin/env bash
+      exec streamlit run /path/to/your/wanikani_stats_app.py
+    '';
+  };
+in
+{
+  options.services.wanikani-stats = {
+    enable = lib.mkEnableOption {
+      description = "Enable WaniKani Stats Service";
+      default = false;
+    };
+
+    logDirectory = lib.mkOption {
+      type = lib.types.path;
+      default = "/var/lib/wanikani-logs";
+      description = "Directory to get the log archives";
+    };
+  };
+
+  config = lib.mkIf config.services.wanikani-stats.enable {
+    # systemd.timers.wanikani-stats = {
+    #   description = "WaniKani Stats Timer";
+    #   wantedBy = [ "timers.target" ];
+    #   timerConfig = {
+    #     OnCalendar = "daily";
+    #     Persistent = true;
+    #   };
+    # };
+
+    systemd.services.wanikani-stats = {
+      description = "WaniKani Stats Service";
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = "${lib.getExe wanikani-stats-streamlit}";
+        Restart = "always";
+        RestartSec = 60;
+        User = "root";
+        Group = "root";
+      };
+    };
+  };
+}