323 lines
12 KiB
Python
323 lines
12 KiB
Python
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"""Продажи и прочее выбытие: розница, друзья по себестоимости, съел сам."""
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from __future__ import annotations
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from PySide6.QtWidgets import (
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QComboBox,
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QDialog,
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QFormLayout,
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QLineEdit,
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QMessageBox,
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QVBoxLayout,
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QWidget,
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)
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from .. import journal
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from .. import money as m
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from ..models import (
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CONSUMPTION_KINDS,
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KIND_FRIEND,
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KIND_RETAIL,
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SALE_KIND_LABELS,
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SALE_KINDS,
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)
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from . import theme
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from . import widgets as w
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def price_source_for(kind: str):
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"""Откуда берётся цена по умолчанию для этого типа выбытия.
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Ради этого типы и заведены: друг платит себестоимость, съеденное не стоит
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ничего, розница идёт по цене продажи.
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"""
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if kind == KIND_FRIEND:
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return lambda product: product.cost_price
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if kind in CONSUMPTION_KINDS:
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return lambda product: m.ZERO
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return lambda product: product.retail_price
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class SaleDialog(QDialog):
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def __init__(self, ctx, sale=None, parent=None):
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super().__init__(parent)
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self.ctx = ctx
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self.sale = sale
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self.setWindowTitle("Продажа" if sale else "Новая продажа")
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self.setMinimumSize(640, 520)
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layout = QVBoxLayout(self)
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layout.setContentsMargins(20, 16, 20, 16)
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layout.setSpacing(10)
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form = QFormLayout()
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form.setSpacing(8)
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self.date = w.DateInput(sale.date if sale else None)
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form.addRow("Дата", self.date)
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self.kind = QComboBox()
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for kind in SALE_KINDS:
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self.kind.addItem(SALE_KIND_LABELS[kind], kind)
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self.kind.setCurrentIndex(SALE_KINDS.index(sale.kind) if sale else 0)
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self.kind.currentIndexChanged.connect(self._on_kind_changed)
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form.addRow("Тип", self.kind)
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self.counterparty = QComboBox()
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self.counterparty.addItem("— не указан —", None)
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for cp in sorted(ctx.vault.doc.counterparties, key=lambda c: c.name.lower()):
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self.counterparty.addItem(cp.name, cp.id)
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if sale and sale.counterparty_id:
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index = self.counterparty.findData(sale.counterparty_id)
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if index >= 0:
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self.counterparty.setCurrentIndex(index)
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form.addRow("Кому", w.row(self.counterparty, w.button("+ Новый", on_click=self._add_counterparty), stretch_at=0))
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self.note = QLineEdit(sale.note if sale else "")
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form.addRow("Заметка", self.note)
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layout.addLayout(form)
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layout.addWidget(w.label("Что ушло", "h2"))
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products = [p for p in ctx.vault.doc.products if not p.archived]
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self.lines = w.LinesEditor(
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products, "Цена", price_source_for(self.current_kind()), ctx.currency
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)
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self.lines.changed.connect(self._sync_payment_default)
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if sale:
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self.lines.set_lines(sale.lines, "unit_price")
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elif products:
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self.lines.add_line()
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layout.addWidget(self.lines, 1)
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# Оплату задаём только при создании: у существующей продажи платежи
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# живут своей жизнью и правятся на экране долгов.
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self.paid = None
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if sale is None:
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pay_form = QFormLayout()
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self.paid = w.MoneySpin(ctx.currency)
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pay_form.addRow("Оплачено сразу", self.paid)
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layout.addLayout(pay_form)
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self.paid_hint = w.label("", "dim")
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layout.addWidget(self.paid_hint)
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layout.addWidget(
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w.row(None, w.button("Отмена", on_click=self.reject), w.button("Сохранить", "primary", self.accept))
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)
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self._on_kind_changed()
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def current_kind(self) -> str:
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return self.kind.currentData()
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def _on_kind_changed(self) -> None:
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kind = self.current_kind()
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self.lines.price_source = price_source_for(kind)
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self.lines.refresh_prices()
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consumption = kind in CONSUMPTION_KINDS
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if self.paid is not None:
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self.paid.setEnabled(not consumption)
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if consumption:
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self.paid.set_decimal(0)
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self._sync_payment_default()
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def _sync_payment_default(self) -> None:
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if self.paid is None:
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return
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kind = self.current_kind()
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if kind in CONSUMPTION_KINDS:
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self.paid_hint.setText("Денег нет по определению, но себестоимость пекарне вернуть надо.")
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return
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total = self.lines.total()
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# Полная оплата — самый частый случай, поэтому она и подставляется.
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# Уменьшил сумму — получил долг, который поедет на экран «Долги».
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if not self.paid.hasFocus():
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self.paid.set_decimal(total)
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debt = m.money(total - self.paid.value_decimal())
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if debt > 0:
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self.paid_hint.setText(f"В долг уйдёт {m.fmt_money(debt, self.ctx.currency)}.")
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else:
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self.paid_hint.setText("Оплачено полностью.")
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def _add_counterparty(self) -> None:
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from PySide6.QtWidgets import QInputDialog
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name, ok = QInputDialog.getText(self, "Новый контрагент", "Имя")
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if not ok or not name.strip():
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return
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try:
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cp = journal.create_counterparty(self.ctx.vault, name)
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except journal.ValidationError as exc:
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QMessageBox.warning(self, "Не получилось", str(exc))
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return
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self.counterparty.addItem(cp.name, cp.id)
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self.counterparty.setCurrentIndex(self.counterparty.count() - 1)
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class SalesPage(QWidget):
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def __init__(self, ctx, parent=None):
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super().__init__(parent)
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self.ctx = ctx
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layout = QVBoxLayout(self)
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layout.setContentsMargins(20, 18, 20, 18)
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layout.setSpacing(12)
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layout.addWidget(w.heading("Продажи"))
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self.filter = QComboBox()
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self.filter.addItem("Все типы", None)
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for kind in SALE_KINDS:
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self.filter.addItem(SALE_KIND_LABELS[kind], kind)
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self.filter.currentIndexChanged.connect(self.refresh)
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layout.addWidget(
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w.row(
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w.button("+ Продажа", "primary", self.create),
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w.button("Изменить", on_click=self.edit),
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w.button("Принять оплату", on_click=self.take_payment),
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w.button("Удалить", "danger", self.delete),
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None,
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self.filter,
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)
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)
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self.table = w.table(
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["Дата", "Тип", "Кому", "Что", "Сумма", "Оплачено", "Долг"], stretch_column=3
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)
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self.table.doubleClicked.connect(self.edit)
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layout.addWidget(self.table, 1)
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# --- отрисовка ---
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def refresh(self) -> None:
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doc = self.ctx.vault.doc
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currency = self.ctx.currency
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wanted = self.filter.currentData()
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rows, keys = [], []
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for sale in sorted(doc.sales, key=lambda s: s.date, reverse=True):
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if wanted and sale.kind != wanted:
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continue
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what = ", ".join(
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f"{doc.product_name(line.product_id)} × {m.fmt_qty(line.qty)}"
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for line in sale.lines
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)
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debt = sale.debt
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rows.append(
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[
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w.text_item(sale.date.strftime("%d.%m.%Y")),
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w.text_item(
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SALE_KIND_LABELS.get(sale.kind, sale.kind),
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theme.MUTED if sale.is_consumption else "",
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),
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w.text_item(doc.counterparty_name(sale.counterparty_id)),
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w.text_item(what),
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w.sortable_num_item(m.fmt_money(sale.total, currency), sale.total),
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w.sortable_num_item(m.fmt_money(sale.paid, currency), sale.paid),
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w.sortable_num_item(
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m.fmt_money(debt, currency) if debt > 0 else "",
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debt,
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theme.WARN if debt > 0 else "",
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),
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]
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)
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keys.append(sale.id)
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w.fill(self.table, rows, keys)
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# --- действия ---
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def _selected(self):
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sale_id = w.selected_key(self.table)
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sale = self.ctx.vault.doc.sale(sale_id) if sale_id else None
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if sale is None:
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QMessageBox.information(self, "Не выбрано", "Выбери продажу в списке.")
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return sale
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def create(self) -> None:
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if not [p for p in self.ctx.vault.doc.products if not p.archived]:
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QMessageBox.information(self, "Нет товаров", "Сначала заведи булки на вкладке «Товары».")
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return
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dialog = SaleDialog(self.ctx, parent=self)
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if dialog.exec() != QDialog.Accepted:
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return
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try:
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journal.create_sale(
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self.ctx.vault,
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dialog.date.get_date(),
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dialog.current_kind(),
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dialog.lines.lines("unit_price"),
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dialog.counterparty.currentData(),
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dialog.note.text(),
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dialog.paid.value_decimal(),
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)
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except journal.ValidationError as exc:
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QMessageBox.warning(self, "Не получилось", str(exc))
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return
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self.ctx.changed()
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def edit(self) -> None:
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sale = self._selected()
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if sale is None:
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return
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dialog = SaleDialog(self.ctx, sale, parent=self)
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if dialog.exec() != QDialog.Accepted:
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return
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try:
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journal.update_sale(
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self.ctx.vault,
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sale.id,
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dialog.date.get_date(),
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dialog.current_kind(),
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dialog.lines.lines("unit_price"),
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dialog.counterparty.currentData() or "",
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dialog.note.text(),
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)
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except journal.ValidationError as exc:
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QMessageBox.warning(self, "Не получилось", str(exc))
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return
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self.ctx.changed()
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def take_payment(self) -> None:
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sale = self._selected()
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if sale is None:
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return
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if sale.debt <= 0:
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QMessageBox.information(self, "Долга нет", "Эта продажа уже оплачена.")
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return
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from .page_debts import ask_payment
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amount = ask_payment(self, sale.debt, self.ctx.currency)
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if amount is None:
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return
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try:
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journal.add_sale_payment(self.ctx.vault, sale.id, amount)
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except journal.ValidationError as exc:
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QMessageBox.warning(self, "Не получилось", str(exc))
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return
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self.ctx.changed()
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def delete(self) -> None:
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sale = self._selected()
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if sale is None:
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return
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confirm = QMessageBox.question(
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self, "Удалить продажу?", "Товар вернётся в остатки, деньги — исчезнут из учёта."
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)
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if confirm != QMessageBox.Yes:
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return
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try:
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journal.delete_sale(self.ctx.vault, sale.id)
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except journal.ValidationError as exc:
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QMessageBox.warning(self, "Не получилось", str(exc))
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return
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self.ctx.changed()
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