Initial commit: self-hosted personal radio station

Flask + React web UI with audio player, podcast queue, feed management,
episode browser, music library, schedule viewer, and log tail.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/api/logs.py

@@ -0,0 +1,48 @@
+"""GET /api/logs — tail log files."""
+
+import os
+
+from flask import Blueprint, jsonify, request
+
+from ..config import LOG_DIR
+
+bp = Blueprint("logs", __name__)
+
+ALLOWED_LOGS = {"poller", "liquidsoap", "icecast_access", "icecast_error"}
+
+
+@bp.route("/logs")
+def get_logs():
+    log_name = request.args.get("file", "poller")
+    lines_count = request.args.get("lines", 50, type=int)
+    lines_count = min(lines_count, 500)
+
+    if log_name not in ALLOWED_LOGS:
+        return jsonify({"error": f"Unknown log file. Allowed: {ALLOWED_LOGS}"}), 400
+
+    log_path = LOG_DIR / f"{log_name}.log"
+
+    if not log_path.exists():
+        return jsonify({"lines": [], "file": log_name, "exists": False})
+
+    # Read last N lines efficiently
+    try:
+        with open(log_path, "rb") as f:
+            f.seek(0, os.SEEK_END)
+            size = f.tell()
+            # Read up to 1MB from the end
+            read_size = min(size, 1024 * 1024)
+            f.seek(max(0, size - read_size))
+            content = f.read().decode("utf-8", errors="replace")
+
+        all_lines = content.splitlines()
+        tail = all_lines[-lines_count:]
+    except Exception as e:
+        return jsonify({"error": str(e)}), 500
+
+    return jsonify({
+        "lines": tail,
+        "file": log_name,
+        "exists": True,
+        "total_lines": len(all_lines),
+    })