init

webconfig/config_store.py

@@ -0,0 +1,121 @@
+#!/usr/bin/env python3
+"""Config storage for the ButtonTask web configurator.
+
+Reads/writes the same JSON config file consumed by the Qt5 application.
+Defaults here must stay in sync with ConfigManager::ensureDefaults() in C++.
+"""
+import copy
+import json
+import os
+import tempfile
+from pathlib import Path
+
+ALLOWED_ICON_EXT = {".png", ".jpg", ".jpeg", ".bmp", ".svg", ".gif"}
+
+
+def config_path():
+    """Resolve the active config path.
+
+    Priority:
+      1. BUTTONTASK_CONFIG environment variable.
+      2. <repo>/config/config.json next to this package (dev fallback).
+    """
+    env = os.environ.get("BUTTONTASK_CONFIG")
+    if env:
+        return Path(env)
+    # webconfig/ -> repo root -> config/config.json
+    return (Path(__file__).resolve().parent.parent / "config" / "config.json")
+
+
+def _defaults():
+    return {
+        "version": 2,
+        "layout": {"mode": "grid", "columns": 2, "spacing": 10, "showLabels": True},
+        "background": {
+            "type": "gradient",
+            "color1": "#00007b",
+            "color2": "#7b007b",
+            "animated": True,
+            "imagePath": "",
+        },
+        "feedback": {
+            "okColor": "#00cc44",
+            "errorColor": "#cc2200",
+            "okWidth": 6,
+            "errorWidth": 6,
+            "glowRadius": 20,
+        },
+        "settings": {
+            "darkMode": True,
+            "password": "admin",
+            "kioskMode": False,
+            "iconsDir": "./icons",
+            "webPort": 8080,
+        },
+        "buttons": [],
+    }
+
+
+def ensure_defaults(cfg):
+    """Fill in any missing sections/keys without overwriting existing values."""
+    base = _defaults()
+    if not isinstance(cfg, dict):
+        return base
+    cfg.setdefault("version", base["version"])
+    for section in ("layout", "background", "feedback", "settings"):
+        sec = cfg.setdefault(section, {})
+        if not isinstance(sec, dict):
+            sec = {}
+            cfg[section] = sec
+        for k, v in base[section].items():
+            sec.setdefault(k, v)
+    if not isinstance(cfg.get("buttons"), list):
+        cfg["buttons"] = []
+    return cfg
+
+
+def load_config():
+    p = config_path()
+    if not p.exists():
+        cfg = ensure_defaults(_defaults())
+        # point iconsDir at a sensible absolute default for the web side
+        cfg["settings"]["iconsDir"] = str((p.parent.parent / "icons"))
+        return cfg
+    with p.open("r", encoding="utf-8") as f:
+        cfg = json.load(f)
+    return ensure_defaults(cfg)
+
+
+def save_config(cfg):
+    p = config_path()
+    p.parent.mkdir(parents=True, exist_ok=True)
+    fd, tmp = tempfile.mkstemp(prefix=".cfg.", suffix=".tmp", dir=str(p.parent))
+    try:
+        with os.fdopen(fd, "w", encoding="utf-8") as f:
+            json.dump(cfg, f, indent=4, ensure_ascii=False)
+        os.replace(tmp, p)
+    except Exception:
+        if os.path.exists(tmp):
+            os.unlink(tmp)
+        raise
+
+
+def icons_dir():
+    cfg = load_config()
+    d = cfg.get("settings", {}).get("iconsDir") or "./icons"
+    p = Path(d)
+    if not p.is_absolute():
+        p = (config_path().parent.parent / d).resolve()
+    p.mkdir(parents=True, exist_ok=True)
+    return p
+
+
+def list_icons():
+    return sorted(
+        f.name for f in icons_dir().iterdir()
+        if f.is_file() and f.suffix.lower() in ALLOWED_ICON_EXT
+    )
+
+
+def default_config():
+    return copy.deepcopy(_defaults())