65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
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"""
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Pro-Widget-Konfiguration im Dashboard-Layout (v1).
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Nur ausgewählte Widget-IDs dürfen nicht-leere config haben; bekannte Keys werden validiert.
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"""
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from __future__ import annotations
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import json
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import math
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from typing import Any
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MAX_WIDGET_CONFIG_JSON_BYTES = 1024
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WIDGETS_ALLOWING_CONFIG: frozenset[str] = frozenset({"body_overview"})
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def _config_json_size_bytes(config: dict[str, Any]) -> int:
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return len(json.dumps(config, sort_keys=True, ensure_ascii=False).encode("utf-8"))
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def validate_widget_entry_config(widget_id: str, raw: Any) -> dict[str, Any]:
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if raw is None:
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return {}
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if not isinstance(raw, dict):
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raise ValueError(f"Widget {widget_id}: config muss ein Objekt sein")
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if _config_json_size_bytes(raw) > MAX_WIDGET_CONFIG_JSON_BYTES:
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raise ValueError(f"Widget {widget_id}: config zu groß (max. {MAX_WIDGET_CONFIG_JSON_BYTES} Byte JSON)")
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if not raw:
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return {}
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if widget_id not in WIDGETS_ALLOWING_CONFIG:
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raise ValueError(f"Widget {widget_id}: keine Konfiguration unterstützt")
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if widget_id == "body_overview":
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return _validate_body_overview_config(raw)
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raise ValueError(f"Widget {widget_id}: keine Konfiguration unterstützt")
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def _validate_body_overview_config(raw: dict[str, Any]) -> dict[str, Any]:
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allowed = frozenset({"chart_days"})
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unknown = set(raw) - allowed
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if unknown:
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raise ValueError(f"body_overview: unbekannte config-Felder: {sorted(unknown)}")
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out: dict[str, Any] = {}
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if "chart_days" not in raw:
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return out
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v = raw["chart_days"]
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if isinstance(v, bool):
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raise ValueError("body_overview: chart_days muss ganze Zahl sein")
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if isinstance(v, float):
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if not math.isfinite(v):
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raise ValueError("body_overview: chart_days muss ganze Zahl sein")
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if abs(v - round(v)) > 1e-9:
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raise ValueError("body_overview: chart_days muss ganze Zahl sein")
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v = int(round(v))
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elif isinstance(v, int):
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pass
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else:
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raise ValueError("body_overview: chart_days muss ganze Zahl sein")
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if v < 7 or v > 90:
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raise ValueError("body_overview: chart_days muss zwischen 7 und 90 liegen")
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out["chart_days"] = v
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return out
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