lekss361
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66 lines
1.7 KiB
Python
66 lines
1.7 KiB
Python
"""Brand resolver — multi-tenant white-label.
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Читает бренд по slug из `brands` Postgres-таблицы.
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Используется PDF exporter + frontend (через /api/v1/brand/{slug} endpoint).
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"""
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from __future__ import annotations
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import logging
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from dataclasses import dataclass
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from sqlalchemy import text
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from sqlalchemy.orm import Session
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logger = logging.getLogger(__name__)
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@dataclass(frozen=True, slots=True)
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class Brand:
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slug: str
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name: str
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logo_url: str | None
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primary_color: str
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accent_color: str
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footer_text: str | None
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pdf_disclaimer: str | None
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_DEFAULT = Brand(
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slug="generic",
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name="МЕРА",
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logo_url=None,
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primary_color="#1d4ed8",
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accent_color="#f59e0b",
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footer_text=None,
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pdf_disclaimer=None,
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)
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def get_brand(slug: str | None, db: Session) -> Brand:
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"""Возвращает Brand по slug. Fallback на 'generic' если не найден."""
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if not slug:
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return _DEFAULT
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row = db.execute(
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text(
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"""
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SELECT slug, name, logo_url, primary_color, accent_color,
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footer_text, pdf_disclaimer
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FROM brands
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WHERE slug = :slug
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"""
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),
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{"slug": slug.lower()},
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).fetchone()
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if row is None:
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logger.info("brand not found: %s — using generic", slug)
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return _DEFAULT
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return Brand(
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slug=row.slug,
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name=row.name,
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logo_url=row.logo_url,
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primary_color=row.primary_color or _DEFAULT.primary_color,
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accent_color=row.accent_color or _DEFAULT.accent_color,
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footer_text=row.footer_text,
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pdf_disclaimer=row.pdf_disclaimer,
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)
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