289 lines
9.2 KiB
Python
289 lines
9.2 KiB
Python
"""CRUD operations for receipts."""
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import json
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from datetime import datetime, date
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from decimal import Decimal
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from typing import Optional, List, Tuple, Any
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from sqlalchemy import select, func, or_
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.orm import selectinload
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from app.db.models.receipt import Receipt, ReceiptStatus
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from app.schemas.receipt import ReceiptCreate, ReceiptUpdate, ReceiptFilter
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def _serialize_tva_breakdown(tva_breakdown: Optional[List[Any]]) -> Optional[str]:
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"""Serialize TVA breakdown list to JSON string for SQLite storage."""
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if tva_breakdown is None:
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return None
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# Convert Decimal to float for JSON serialization
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serializable = []
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for entry in tva_breakdown:
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if hasattr(entry, 'model_dump'):
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# Pydantic model
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item = entry.model_dump()
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elif isinstance(entry, dict):
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item = entry.copy()
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else:
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item = dict(entry)
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# Convert Decimal to float
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if 'amount' in item and isinstance(item['amount'], Decimal):
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item['amount'] = float(item['amount'])
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serializable.append(item)
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return json.dumps(serializable)
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class ReceiptCRUD:
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"""CRUD operations for Receipt model."""
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@staticmethod
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async def create(
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session: AsyncSession,
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data: ReceiptCreate,
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created_by: str,
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) -> Receipt:
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"""Create a new receipt."""
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# Get data as dict and serialize tva_breakdown to JSON string
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receipt_data = data.model_dump()
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receipt_data['tva_breakdown'] = _serialize_tva_breakdown(receipt_data.get('tva_breakdown'))
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receipt = Receipt(
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**receipt_data,
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created_by=created_by,
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status=ReceiptStatus.DRAFT,
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)
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session.add(receipt)
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await session.commit()
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await session.refresh(receipt)
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return receipt
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@staticmethod
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async def get_by_id(
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session: AsyncSession,
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receipt_id: int,
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include_relations: bool = True,
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) -> Optional[Receipt]:
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"""Get receipt by ID, optionally with relationships."""
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query = select(Receipt).where(Receipt.id == receipt_id)
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if include_relations:
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query = query.options(
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selectinload(Receipt.attachments),
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selectinload(Receipt.entries),
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)
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result = await session.execute(query)
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return result.scalar_one_or_none()
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@staticmethod
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async def get_list(
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session: AsyncSession,
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filters: ReceiptFilter,
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) -> Tuple[List[Receipt], int]:
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"""Get paginated list of receipts with filters."""
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# Base query
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query = select(Receipt).options(
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selectinload(Receipt.attachments),
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selectinload(Receipt.entries),
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)
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# Apply filters
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if filters.status:
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query = query.where(Receipt.status == filters.status)
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if filters.company_id:
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query = query.where(Receipt.company_id == filters.company_id)
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if filters.created_by:
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query = query.where(Receipt.created_by == filters.created_by)
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if filters.date_from:
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query = query.where(Receipt.receipt_date >= filters.date_from)
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if filters.date_to:
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query = query.where(Receipt.receipt_date <= filters.date_to)
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if filters.search:
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search_term = f"%{filters.search}%"
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query = query.where(
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or_(
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Receipt.description.ilike(search_term),
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Receipt.partner_name.ilike(search_term),
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Receipt.receipt_number.ilike(search_term),
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)
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)
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# Count total
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count_query = select(func.count()).select_from(query.subquery())
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total_result = await session.execute(count_query)
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total = total_result.scalar() or 0
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# Apply pagination and ordering
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query = query.order_by(Receipt.created_at.desc())
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offset = (filters.page - 1) * filters.page_size
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query = query.offset(offset).limit(filters.page_size)
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# Execute
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result = await session.execute(query)
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receipts = result.scalars().all()
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return list(receipts), total
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@staticmethod
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async def get_pending_review(
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session: AsyncSession,
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company_id: Optional[int] = None,
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) -> List[Receipt]:
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"""Get all receipts pending review."""
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query = select(Receipt).where(
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Receipt.status == ReceiptStatus.PENDING_REVIEW
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).options(
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selectinload(Receipt.attachments),
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selectinload(Receipt.entries),
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)
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if company_id:
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query = query.where(Receipt.company_id == company_id)
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query = query.order_by(Receipt.submitted_at.asc())
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result = await session.execute(query)
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return list(result.scalars().all())
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@staticmethod
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async def update(
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session: AsyncSession,
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receipt: Receipt,
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data: ReceiptUpdate,
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) -> Receipt:
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"""Update receipt fields."""
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update_data = data.model_dump(exclude_unset=True)
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# Serialize tva_breakdown to JSON string if present
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if 'tva_breakdown' in update_data:
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update_data['tva_breakdown'] = _serialize_tva_breakdown(update_data['tva_breakdown'])
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for field, value in update_data.items():
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setattr(receipt, field, value)
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receipt.updated_at = datetime.utcnow()
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session.add(receipt)
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await session.commit()
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await session.refresh(receipt)
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return receipt
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@staticmethod
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async def update_status(
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session: AsyncSession,
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receipt: Receipt,
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new_status: ReceiptStatus,
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reviewed_by: Optional[str] = None,
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rejection_reason: Optional[str] = None,
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) -> Receipt:
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"""Update receipt workflow status."""
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receipt.status = new_status
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receipt.updated_at = datetime.utcnow()
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if new_status == ReceiptStatus.PENDING_REVIEW:
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receipt.submitted_at = datetime.utcnow()
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if new_status in [ReceiptStatus.APPROVED, ReceiptStatus.REJECTED]:
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receipt.reviewed_by = reviewed_by
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receipt.reviewed_at = datetime.utcnow()
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if new_status == ReceiptStatus.REJECTED:
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receipt.rejection_reason = rejection_reason
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if new_status == ReceiptStatus.DRAFT:
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# Reset review fields when moving back to draft
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receipt.rejection_reason = None
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session.add(receipt)
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await session.commit()
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await session.refresh(receipt)
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return receipt
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@staticmethod
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async def delete(session: AsyncSession, receipt: Receipt) -> bool:
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"""Delete a receipt (cascade deletes attachments and entries)."""
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await session.delete(receipt)
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await session.commit()
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return True
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@staticmethod
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async def can_edit(receipt: Receipt, username: str) -> bool:
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"""Check if user can edit receipt."""
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# Only DRAFT receipts can be edited
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if receipt.status != ReceiptStatus.DRAFT:
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return False
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# Only creator can edit their own drafts
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return receipt.created_by == username
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@staticmethod
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async def can_delete(receipt: Receipt, username: str) -> bool:
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"""Check if user can delete receipt."""
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# Only DRAFT receipts can be deleted
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if receipt.status != ReceiptStatus.DRAFT:
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return False
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# Only creator can delete their own drafts
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return receipt.created_by == username
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@staticmethod
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async def can_submit(receipt: Receipt, username: str) -> bool:
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"""Check if user can submit receipt for review."""
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# Only DRAFT or REJECTED receipts can be submitted
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if receipt.status not in [ReceiptStatus.DRAFT, ReceiptStatus.REJECTED]:
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return False
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# Only creator can submit their own receipts
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return receipt.created_by == username
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@staticmethod
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async def get_stats(
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session: AsyncSession,
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company_id: int,
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created_by: Optional[str] = None,
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) -> dict:
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"""Get receipt statistics."""
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base_query = select(
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Receipt.status,
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func.count(Receipt.id).label("count"),
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func.sum(Receipt.amount).label("total_amount"),
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).where(
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Receipt.company_id == company_id
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)
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if created_by:
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base_query = base_query.where(Receipt.created_by == created_by)
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query = base_query.group_by(Receipt.status)
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result = await session.execute(query)
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rows = result.all()
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stats = {
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"draft": {"count": 0, "amount": 0},
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"pending_review": {"count": 0, "amount": 0},
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"approved": {"count": 0, "amount": 0},
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"rejected": {"count": 0, "amount": 0},
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"synced": {"count": 0, "amount": 0},
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"total": {"count": 0, "amount": 0},
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}
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for row in rows:
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status_key = row.status.value
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stats[status_key] = {
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"count": row.count,
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"amount": float(row.total_amount or 0),
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}
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stats["total"]["count"] += row.count
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stats["total"]["amount"] += float(row.total_amount or 0)
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return stats
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