48 lines
1.8 KiB
Python
48 lines
1.8 KiB
Python
from typing import Any
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from sqlalchemy.orm import Session
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from app.shopping.service import ShoppingService
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MAX_LISTS_IN_CONTEXT = 8
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MAX_ITEMS_PER_LIST = 12
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def get_shopping_snapshot(db: Session, user_id: int) -> dict[str, Any]:
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return ShoppingService(db, user_id).snapshot()
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def format_shopping_context(snapshot: dict[str, Any]) -> str:
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lines = ["[Списки покупок]"]
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lists = snapshot.get("lists") or []
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if not lists:
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lines.append("Списков пока нет. create_shopping_list или add_shopping_items.")
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return "\n".join(lines)
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lines.append(
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f"Всего списков: {snapshot.get('list_count', len(lists))}, "
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f"неотмеченных позиций: {snapshot.get('unchecked_items', 0)}."
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)
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lines.append("Для изменений вызывай tools: list_shopping_lists, add_shopping_items, check_shopping_item.")
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for lst in lists[:MAX_LISTS_IN_CONTEXT]:
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items = lst.get("items") or []
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unchecked = [i for i in items if not i.get("checked")]
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preview = unchecked[:MAX_ITEMS_PER_LIST]
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parts = []
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for item in preview:
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qty = item.get("quantity")
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unit = (item.get("unit") or "").strip()
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label = item["text"]
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if qty is not None:
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label = f"{label} ({qty}{' ' + unit if unit else ''})"
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parts.append(f"#{item['id']} {label}")
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tail = f" +{len(unchecked) - len(preview)} ещё" if len(unchecked) > len(preview) else ""
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if parts:
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lines.append(f"- «{lst['name']}» (#{lst['id']}): {', '.join(parts)}{tail}")
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else:
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lines.append(f"- «{lst['name']}» (#{lst['id']}): всё отмечено или пусто")
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return "\n".join(lines)
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