cnbugs
436 行
16 KiB
Python
436 行
16 KiB
Python
from fastapi import APIRouter, Depends, UploadFile, File, HTTPException, Query
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from fastapi.responses import StreamingResponse
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from sqlalchemy.orm import Session
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from sqlalchemy import or_
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from typing import Optional
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import io
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from datetime import datetime
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from urllib.parse import quote
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from database import get_db
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from models import Inventory, TransactionLog
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from schemas import InventoryCreate, InventoryUpdate, StockOperation
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import openpyxl
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router = APIRouter()
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def inventory_to_dict(item: Inventory) -> dict:
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"""将Inventory模型转为字典"""
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return {
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"id": item.id,
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"cInvCode": item.cInvCode,
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"supplier": item.supplier,
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"casing_label_remark": item.casing_label_remark,
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"batch": item.batch,
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"current_remaining": item.current_remaining,
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"storage_location": item.storage_location,
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"created_at": item.created_at.isoformat() if item.created_at else None,
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"updated_at": item.updated_at.isoformat() if item.updated_at else None,
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}
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def log_to_dict(log: TransactionLog) -> dict:
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"""将TransactionLog模型转为字典"""
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return {
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"id": log.id,
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"inventory_id": log.inventory_id,
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"cInvCode": log.cInvCode,
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"type": log.type,
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"quantity": log.quantity,
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"remark": log.remark,
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"created_at": log.created_at.isoformat() if log.created_at else None,
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}
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# ===== 库存 CRUD =====
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@router.get("/inventory")
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def list_inventory(
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page: int = Query(1, ge=1),
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page_size: int = Query(20, ge=1, le=100),
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search: Optional[str] = None,
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db: Session = Depends(get_db)
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):
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"""获取库存列表，支持分页和搜索"""
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query = db.query(Inventory)
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if search:
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keyword = f"%{search}%"
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query = query.filter(
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or_(
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Inventory.cInvCode.like(keyword),
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Inventory.supplier.like(keyword),
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Inventory.batch.like(keyword),
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Inventory.storage_location.like(keyword),
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Inventory.casing_label_remark.like(keyword),
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)
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)
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total = query.count()
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items = query.order_by(Inventory.id.asc()).offset((page - 1) * page_size).limit(page_size).all()
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return {"total": total, "items": [inventory_to_dict(i) for i in items]}
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@router.post("/inventory")
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def create_inventory(data: InventoryCreate, db: Session = Depends(get_db)):
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"""新增库存"""
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item = Inventory(**data.model_dump())
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db.add(item)
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db.commit()
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db.refresh(item)
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return inventory_to_dict(item)
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@router.put("/inventory/{item_id}")
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def update_inventory(item_id: int, data: InventoryUpdate, db: Session = Depends(get_db)):
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"""更新库存"""
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item = db.query(Inventory).filter(Inventory.id == item_id).first()
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if not item:
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raise HTTPException(status_code=404, detail="库存记录不存在")
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update_data = data.model_dump(exclude_unset=True)
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for key, value in update_data.items():
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setattr(item, key, value)
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db.commit()
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db.refresh(item)
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return inventory_to_dict(item)
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@router.delete("/inventory/{item_id}")
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def delete_inventory(item_id: int, db: Session = Depends(get_db)):
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"""删除库存"""
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item = db.query(Inventory).filter(Inventory.id == item_id).first()
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if not item:
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raise HTTPException(status_code=404, detail="库存记录不存在")
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db.delete(item)
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db.commit()
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return {"message": "删除成功"}
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# ===== 出入库 =====
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@router.post("/stock/operation")
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def stock_operation(op: StockOperation, db: Session = Depends(get_db)):
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"""出入库操作"""
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item = db.query(Inventory).filter(Inventory.id == op.inventory_id).first()
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if not item:
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raise HTTPException(status_code=404, detail="库存记录不存在")
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if op.type == "out":
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if item.current_remaining < op.quantity:
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raise HTTPException(status_code=400, detail=f"库存不足，当前剩余: {item.current_remaining}")
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item.current_remaining -= op.quantity
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elif op.type == "in":
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item.current_remaining += op.quantity
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else:
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raise HTTPException(status_code=400, detail="类型必须是 in 或 out")
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# 记录操作日志
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log = TransactionLog(
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inventory_id=item.id,
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cInvCode=item.cInvCode,
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type=op.type,
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quantity=op.quantity,
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remark=op.remark,
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)
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db.add(log)
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db.commit()
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db.refresh(item)
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return {"message": "操作成功", "current_remaining": item.current_remaining}
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@router.delete("/stock/logs")
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def clear_stock_logs(db: Session = Depends(get_db)):
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"""清空所有出入库记录"""
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count = db.query(TransactionLog).delete()
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db.commit()
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return {"message": f"已清空 {count} 条出入库记录"}
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@router.get("/stock/logs")
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def get_stock_logs(
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page: int = Query(1, ge=1),
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page_size: int = Query(20, ge=1, le=100),
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search: Optional[str] = None,
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db: Session = Depends(get_db)
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):
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"""获取出入库记录"""
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query = db.query(TransactionLog)
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if search:
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keyword = f"%{search}%"
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query = query.filter(
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or_(
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TransactionLog.cInvCode.like(keyword),
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TransactionLog.remark.like(keyword),
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)
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)
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total = query.count()
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items = query.order_by(TransactionLog.id.asc()).offset((page - 1) * page_size).limit(page_size).all()
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return {"total": total, "items": [log_to_dict(l) for l in items]}
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# ===== Excel 导入导出 =====
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@router.get("/inventory/export")
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def export_inventory(db: Session = Depends(get_db)):
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"""导出库存为Excel"""
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items = db.query(Inventory).order_by(Inventory.id.asc()).all()
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wb = openpyxl.Workbook()
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ws = wb.active
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ws.title = "库存数据"
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# 表头
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headers = ["序号", "产品编码", "供应商", "现外壳&标签&备注", "批次", "当前时间剩余", "存货地点"]
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ws.append(headers)
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# 表头样式
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from openpyxl.styles import Font, Alignment, PatternFill, Border, Side
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header_font = Font(bold=True, size=12, color="FFFFFF")
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header_fill = PatternFill(start_color="4472C4", end_color="4472C4", fill_type="solid")
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header_alignment = Alignment(horizontal="center", vertical="center")
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thin_border = Border(
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left=Side(style='thin'), right=Side(style='thin'),
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top=Side(style='thin'), bottom=Side(style='thin')
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)
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for col_idx, header in enumerate(headers, 1):
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cell = ws.cell(row=1, column=col_idx, value=header)
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cell.font = header_font
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cell.fill = header_fill
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cell.alignment = header_alignment
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cell.border = thin_border
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# 数据行
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for item in items:
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row_data = [
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item.id,
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item.cInvCode,
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item.supplier or "",
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item.casing_label_remark or "",
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item.batch or "",
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item.current_remaining,
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item.storage_location or "",
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]
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ws.append(row_data)
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# 调整列宽
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col_widths = [8, 20, 20, 30, 15, 15, 20]
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for idx, width in enumerate(col_widths, 1):
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ws.column_dimensions[openpyxl.utils.get_column_letter(idx)].width = width
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# 保存到内存
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output = io.BytesIO()
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wb.save(output)
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output.seek(0)
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filename = f"库存数据_{datetime.now().strftime('%Y%m%d_%H%M%S')}.xlsx"
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filename_encoded = quote(filename)
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return StreamingResponse(
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output,
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media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
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headers={"Content-Disposition": f"attachment; filename={filename_encoded}; filename*=UTF-8''{filename_encoded}"}
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)
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@router.post("/inventory/import")
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def import_inventory(file: UploadFile = File(...), db: Session = Depends(get_db)):
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"""从Excel导入库存"""
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if not file.filename.endswith(('.xlsx', '.xls')):
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raise HTTPException(status_code=400, detail="只支持 .xlsx 或 .xls 文件")
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try:
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contents = file.file.read()
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wb = openpyxl.load_workbook(io.BytesIO(contents))
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ws = wb.active
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imported = 0
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updated = 0
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errors = []
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# 查找表头位置
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header_map = {}
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expected_headers = {
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"序号": "id",
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"产品编码": "cInvCode",
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"供应商": "supplier",
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"现外壳&标签&备注": "casing_label_remark",
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"外壳&标签&备注": "casing_label_remark",
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"批次": "batch",
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"当前时间剩余": "current_remaining",
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"存货地点": "storage_location",
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}
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for row_idx, row in enumerate(ws.iter_rows(min_row=1, max_row=5), 1):
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for col_idx, cell in enumerate(row):
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if cell.value and str(cell.value).strip() in expected_headers:
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header_map[str(cell.value).strip()] = col_idx
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if not header_map.get("产品编码"):
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raise HTTPException(status_code=400, detail="未找到有效的表头行，请确保包含'产品编码'列")
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# 解析数据行（从第2行开始，假设第1行是表头）
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for row_idx, row in enumerate(ws.iter_rows(min_row=2), 2):
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try:
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# 先读取序号
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id_col = header_map.get("序号")
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record_id = None
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if id_col is not None and id_col < len(row):
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id_val = row[id_col].value
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if id_val is not None:
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try:
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record_id = int(float(id_val))
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except (ValueError, TypeError):
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record_id = None
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cInvCode_col = header_map.get("产品编码")
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if cInvCode_col is None:
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continue
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cInvCode = row[cInvCode_col].value if cInvCode_col < len(row) else None
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if not cInvCode:
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continue
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cInvCode = str(cInvCode).strip()
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def get_val(key, default=""):
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col = header_map.get(key)
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if col is not None and col < len(row):
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val = row[col].value
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return str(val).strip() if val is not None else default
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return default
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supplier = get_val("供应商")
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casing_label_remark = get_val("现外壳&标签&备注") or get_val("外壳&标签&备注")
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batch = get_val("批次")
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storage_location = get_val("存货地点")
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current_remaining_val = 0
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cr_col = header_map.get("当前时间剩余")
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if cr_col is not None and cr_col < len(row):
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val = row[cr_col].value
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try:
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current_remaining_val = float(val) if val is not None else 0
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except (ValueError, TypeError):
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current_remaining_val = 0
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# 按序号优先，否则按产品编码+批次
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if record_id:
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# 按序号查找
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existing = db.query(Inventory).filter(Inventory.id == record_id).first()
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if existing:
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existing.cInvCode = cInvCode
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existing.supplier = supplier
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existing.casing_label_remark = casing_label_remark
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existing.batch = batch
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existing.current_remaining = current_remaining_val
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existing.storage_location = storage_location
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updated += 1
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else:
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# 序号不存在，新增并指定ID
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new_item = Inventory(
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id=record_id,
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cInvCode=cInvCode,
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supplier=supplier,
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casing_label_remark=casing_label_remark,
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batch=batch,
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current_remaining=current_remaining_val,
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storage_location=storage_location,
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)
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db.add(new_item)
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imported += 1
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else:
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# 按产品编码+批次去重
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existing = db.query(Inventory).filter(
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Inventory.cInvCode == cInvCode,
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Inventory.batch == batch
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).first()
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if existing:
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existing.supplier = supplier or existing.supplier
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existing.casing_label_remark = casing_label_remark or existing.casing_label_remark
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existing.current_remaining = current_remaining_val if current_remaining_val else existing.current_remaining
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existing.storage_location = storage_location or existing.storage_location
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updated += 1
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else:
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new_item = Inventory(
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cInvCode=cInvCode,
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supplier=supplier,
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casing_label_remark=casing_label_remark,
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batch=batch,
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current_remaining=current_remaining_val,
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storage_location=storage_location,
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)
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db.add(new_item)
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imported += 1
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except Exception as e:
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errors.append(f"第{row_idx}行: {str(e)}")
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continue
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db.commit()
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return {
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"message": f"导入完成：新增 {imported} 条，更新 {updated} 条",
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"imported": imported,
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"updated": updated,
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"errors": errors[:10],
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}
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except HTTPException:
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raise
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except Exception as e:
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raise HTTPException(status_code=500, detail=f"导入失败: {str(e)}")
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# ===== 导出出入库记录 =====
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@router.get("/stock/export")
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def export_stock_logs(db: Session = Depends(get_db)):
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"""导出出入库记录为Excel"""
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items = db.query(TransactionLog).order_by(TransactionLog.id.desc()).all()
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wb = openpyxl.Workbook()
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ws = wb.active
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ws.title = "出入库记录"
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headers = ["序号", "产品编码", "类型", "数量", "备注", "操作时间"]
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ws.append(headers)
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from openpyxl.styles import Font, Alignment, PatternFill, Border, Side
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header_font = Font(bold=True, size=12, color="FFFFFF")
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header_fill = PatternFill(start_color="4472C4", end_color="4472C4", fill_type="solid")
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header_alignment = Alignment(horizontal="center", vertical="center")
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thin_border = Border(
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left=Side(style='thin'), right=Side(style='thin'),
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top=Side(style='thin'), bottom=Side(style='thin')
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)
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for col_idx, header in enumerate(headers, 1):
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cell = ws.cell(row=1, column=col_idx, value=header)
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cell.font = header_font
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cell.fill = header_fill
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cell.alignment = header_alignment
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cell.border = thin_border
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for item in items:
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ws.append([
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item.id,
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item.cInvCode,
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"入库" if item.type == "in" else "出库",
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item.quantity,
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item.remark or "",
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item.created_at.strftime("%Y-%m-%d %H:%M:%S") if item.created_at else "",
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])
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col_widths = [8, 20, 10, 10, 30, 20]
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for idx, width in enumerate(col_widths, 1):
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ws.column_dimensions[openpyxl.utils.get_column_letter(idx)].width = width
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output = io.BytesIO()
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wb.save(output)
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output.seek(0)
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filename = f"出入库记录_{datetime.now().strftime('%Y%m%d_%H%M%S')}.xlsx"
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filename_encoded = quote(filename)
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return StreamingResponse(
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output,
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media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
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headers={"Content-Disposition": f"attachment; filename={filename_encoded}; filename*=UTF-8''{filename_encoded}"}
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)
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