117 lines
3.4 KiB
Python
117 lines
3.4 KiB
Python
"""Shared validation and aggregation helpers for procurement serializers."""
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import re
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from datetime import date
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from rest_framework import serializers
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from procurement.constants import ProcurementItemExecutionStatus
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from procurement.models import ProcurementSettings
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PROBLEM_ITEM_STATUSES = {
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ProcurementItemExecutionStatus.REJECTED,
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ProcurementItemExecutionStatus.COMPLETED_WITH_ISSUE,
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ProcurementItemExecutionStatus.EDITED,
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ProcurementItemExecutionStatus.DEFECTIVE,
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}
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DATE_RE = re.compile(r"^\d{4}-\d{2}-\d{2}$")
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UNIT_DISPLAY_LABELS = {
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"шт": "штуки",
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"компл": "комплекты",
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"упак": "упаковки",
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"короб": "короба",
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"пачка": "пачки",
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"кг": "килограммы",
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"г": "граммы",
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"л": "литры",
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"мл": "миллилитры",
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"м": "метры",
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"кв. м": "кв. метры",
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"куб. м": "куб. метры",
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"рулон": "рулоны",
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"пара": "пары",
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"услуга": "услуги",
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"час": "часы",
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}
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def _normalize_unit(value):
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return re.sub(r"\s+", " ", str(value or "").strip()).lower()
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def _unit_display_label(value):
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unit = _normalize_unit(value)
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if not unit:
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return "единиц"
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return UNIT_DISPLAY_LABELS.get(unit, unit)
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def _validate_expected_delivery_dates(value):
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if value in (None, ""):
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return []
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if not isinstance(value, list):
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raise serializers.ValidationError("Ожидаемые даты должны быть списком.")
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result = []
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for raw in value:
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item = str(raw or "").strip()
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if not item:
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continue
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if not DATE_RE.fullmatch(item):
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raise serializers.ValidationError(
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"Каждая ожидаемая дата должна быть в формате YYYY-MM-DD."
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)
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try:
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parsed = date.fromisoformat(item)
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except ValueError as exc:
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raise serializers.ValidationError(
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"Каждая ожидаемая дата должна быть корректной календарной датой."
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) from exc
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result.append(parsed.isoformat())
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return result
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def _expected_delivery_date_values(item):
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dates = []
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for raw in item.expected_delivery_dates or []:
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if not isinstance(raw, str) or not DATE_RE.fullmatch(raw):
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continue
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try:
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dates.append(date.fromisoformat(raw))
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except ValueError:
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continue
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return dates
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def _validate_processing_department_available(processing_department):
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if not processing_department:
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return
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settings = ProcurementSettings.get_solo()
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available_departments = settings.available_processing_departments.all()
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if (
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available_departments.exists()
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and not available_departments.filter(pk=processing_department.pk).exists()
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):
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raise serializers.ValidationError(
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{
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"processing_department": (
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"Выберите отдел-исполнитель из доступных для закупок."
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)
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}
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)
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def _request_items(obj):
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return list(obj.items.all())
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def _effective_ordered_quantity(item):
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return item.effective_ordered_quantity
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def _effective_received_quantity(item):
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return item.effective_received_quantity
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