98 lines
2.8 KiB
Python
98 lines
2.8 KiB
Python
import datetime
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import brewman.schemas.reports as schemas
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from fastapi import APIRouter, Depends, Request, Security
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from sqlalchemy.orm import Session
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from sqlalchemy.sql.expression import desc, func
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from ...core.security import get_current_active_user as get_user
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from ...core.session import get_finish_date, get_start_date, set_period
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from ...db.session import SessionLocal
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from ...models.master import CostCentre, Product
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from ...models.voucher import Inventory, Journal, Voucher, VoucherType
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from ...schemas.auth import UserToken
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router = APIRouter()
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# Dependency
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def get_db() -> Session:
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try:
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db = SessionLocal()
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yield db
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finally:
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db.close()
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@router.get("", response_model=schemas.Purchases)
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def report_blank(
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request: Request,
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user: UserToken = Security(get_user, scopes=["purchases"]),
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):
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return schemas.Purchases(
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startDate=get_start_date(request.session),
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finishDate=get_finish_date(request.session),
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body=[],
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footer=None,
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)
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@router.get("/{start}/{finish}", response_model=schemas.Purchases)
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def report_data(
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start: str,
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finish: str,
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request: Request,
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db: Session = Depends(get_db),
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user: UserToken = Security(get_user, scopes=["purchases"]),
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):
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body, footer = build_report(start, finish, db)
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set_period(start, finish, request.session)
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return schemas.Purchases(
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startDate=start,
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finishDate=finish,
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body=body,
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footer=footer,
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)
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def build_report(start_date, finish_date, db):
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body = []
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quantity_sum = func.sum(Journal.debit * Inventory.quantity).label("quantity")
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amount_sum = func.sum(
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Journal.debit * Inventory.quantity * Inventory.rate * (1 + Inventory.tax)
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).label("amount")
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query = (
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db.query(Product, quantity_sum, amount_sum)
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.join(Product.inventories)
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.join(Inventory.voucher)
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.join(Voucher.journals)
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.filter(Voucher.date >= datetime.datetime.strptime(start_date, "%d-%b-%Y"))
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.filter(Voucher.date <= datetime.datetime.strptime(finish_date, "%d-%b-%Y"))
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.filter(Voucher.type != VoucherType.by_name("Issue").id)
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.filter(Journal.cost_centre_id == CostCentre.cost_centre_purchase())
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.group_by(Product)
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.order_by(desc(amount_sum))
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.all()
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)
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total_amount = 0
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for product, quantity, amount in query:
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rate = amount / quantity if quantity != 0 else 0
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total_amount += amount
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row = schemas.PurchasesItem(
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name=product.full_name,
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quantity=quantity,
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rate=rate,
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amount=amount,
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url=["/", "product-ledger", str(product.id)],
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)
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body.append(row)
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return (
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body,
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schemas.PurchasesItem(
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name="Total", quantity=0, rate=0, url=[], amount=total_amount
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),
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)
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