Samir Boulahtit
ce5b54f27b
Some checks failed
Double-mount store routes at /store/* and /store/{store_code}/* so the
same handlers work in dev path-based, prod path-based, prod subdomain,
and prod custom-domain modes. Wire StorePlatform.custom_subdomain into
StoreContextMiddleware for per-platform subdomain overrides. Add admin
custom-domain management UI, fix stale /shop/ reset link, add
/merchants/ to reserved paths, and server-render window.STORE_CODE for
JS that previously parsed the URL.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
582 lines
23 KiB
Python
582 lines
23 KiB
Python
# middleware/platform_context.py
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"""
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Platform Context Middleware
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Detects platform from host/domain/path and injects into request.state.
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This middleware runs BEFORE StoreContextMiddleware to establish platform context.
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Handles two routing modes:
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1. Production: Domain-based (omsflow.lu, rewardflow.lu → Platform detection)
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2. Development: Path-based (localhost:9999/platforms/oms/*, localhost:9999/platforms/loyalty/*)
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URL Structure:
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- Main marketing site: localhost:9999/ (no platform prefix) → uses 'main' platform
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- Platform sites: localhost:9999/platforms/{code}/ → uses specific platform
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Also provides platform_clean_path for downstream middleware to use.
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"""
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import logging
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from fastapi import Request
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from sqlalchemy.orm import Session
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from app.core.database import get_db
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from app.core.frontend_detector import FrontendDetector
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from app.modules.tenancy.models import Platform
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# Note: We use pure ASGI middleware (not BaseHTTPMiddleware) to enable path rewriting
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logger = logging.getLogger(__name__)
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# Platform code for the main marketing site (localhost without /platforms/ prefix)
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MAIN_PLATFORM_CODE = "main"
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# Hosts treated as local development (including Starlette TestClient's "testserver")
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_LOCAL_HOSTS = {"localhost", "127.0.0.1", "testserver"}
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class PlatformContextManager:
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"""Manages platform context detection for multi-platform routing."""
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@staticmethod
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def detect_platform_context(request: Request) -> dict | None:
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"""
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Detect platform context from request.
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Priority order:
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1. Domain-based (production): omsflow.lu → platform code "oms"
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2. Path-based (development): localhost:9999/platforms/oms/* → platform code "oms"
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3. Default: localhost without /platforms/ prefix → 'main' platform (marketing site)
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URL Structure:
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- / → Main marketing site ('main' platform)
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- /about → Main marketing site about page
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- /platforms/oms/ → OMS platform homepage
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- /platforms/oms/pricing → OMS platform pricing
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- /platforms/loyalty/ → Loyalty platform homepage
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Returns dict with platform info or None if not detected.
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"""
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host = request.headers.get("host", "")
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path = request.url.path
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# Remove port from host if present (e.g., localhost:9999 -> localhost)
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host_without_port = host.split(":")[0] if ":" in host else host
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# Skip platform detection for admin routes - admin is global
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if FrontendDetector.is_admin(host, path):
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return None
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# Method 1: Domain-based detection (production)
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# Check if the host matches a known platform domain
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# This will be resolved in get_platform_from_context by DB lookup
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if host_without_port and host_without_port not in _LOCAL_HOSTS:
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# Could be a platform domain or a store subdomain/custom domain
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# Check if it's a known platform domain pattern
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# For now, assume non-localhost hosts that aren't subdomains are platform domains
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if "." in host_without_port:
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# This could be:
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# - Platform domain: omsflow.lu, rewardflow.lu
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# - Store subdomain: store.omsflow.lu
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# - Custom domain: shop.mymerchant.com
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# We detect platform domain vs subdomain by checking if it's a root domain
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parts = host_without_port.split(".")
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if len(parts) == 2: # e.g., omsflow.lu (root domain)
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return {
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"domain": host_without_port,
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"detection_method": "domain",
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"host": host,
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"original_path": path,
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}
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# Method 2: Path-based detection (development) - ONLY for /platforms/ prefix
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# Check for path prefix like /platforms/oms/, /platforms/loyalty/
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if path.startswith("/platforms/"):
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# Extract: /platforms/oms/pricing → code="oms", clean_path="/pricing"
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path_after_platforms = path[11:] # Remove "/platforms/"
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parts = path_after_platforms.split("/", 1)
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platform_code = parts[0].lower()
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if platform_code:
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clean_path = "/" + parts[1] if len(parts) > 1 and parts[1] else "/"
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return {
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"path_prefix": platform_code,
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"detection_method": "path",
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"host": host,
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"original_path": path,
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"clean_path": clean_path,
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}
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# Method 3: Default platform for localhost without /platforms/ prefix
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# This serves the main marketing site
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# Store routes require explicit platform via /platforms/{code}/store/...
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if host_without_port in _LOCAL_HOSTS:
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if path.startswith(("/store/", "/stores/")):
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return None # No platform — handlers will show appropriate error
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return {
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"path_prefix": MAIN_PLATFORM_CODE,
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"detection_method": "default",
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"host": host,
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"original_path": path,
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"clean_path": path, # No path rewrite for main site
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}
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return None
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@staticmethod
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def get_platform_from_context(db: Session, context: dict) -> Platform | None:
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"""
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Get platform from database using context information.
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Supports:
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1. Domain-based lookup (Platform.domain)
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2. Path-prefix lookup (Platform.path_prefix)
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3. Default lookup (Platform.code)
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"""
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if not context:
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return None
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platform = None
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# Method 1: Domain-based lookup (also handles subdomain detection)
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if context.get("detection_method") in ("domain", "subdomain"):
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domain = context.get("domain")
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if domain:
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# Try Platform.domain first
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platform = (
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db.query(Platform)
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.filter(Platform.domain == domain)
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.filter(Platform.is_active.is_(True))
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.first()
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)
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if platform:
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logger.debug(
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f"[PLATFORM] Platform found via domain: {domain} → {platform.name}"
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)
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return platform
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# Fallback: Check StoreDomain for custom store domains
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from app.modules.tenancy.models import StoreDomain
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store_domain = (
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db.query(StoreDomain)
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.filter(StoreDomain.domain == domain, StoreDomain.is_active.is_(True))
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.first()
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)
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if store_domain and store_domain.platform_id:
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platform = (
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db.query(Platform)
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.filter(Platform.id == store_domain.platform_id, Platform.is_active.is_(True))
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.first()
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)
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if platform:
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# Mark as store domain so __call__ knows to rewrite path
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context["is_store_domain"] = True
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logger.debug(
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f"[PLATFORM] Platform found via store domain: {domain} → {platform.name}"
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)
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return platform
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# Fallback: Check MerchantDomain for merchant-level domains
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from app.modules.tenancy.models.merchant_domain import MerchantDomain
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merchant_domain = (
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db.query(MerchantDomain)
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.filter(
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MerchantDomain.domain == domain,
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MerchantDomain.is_active.is_(True),
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MerchantDomain.is_verified.is_(True),
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)
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.first()
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)
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if merchant_domain and merchant_domain.platform_id:
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platform = (
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db.query(Platform)
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.filter(
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Platform.id == merchant_domain.platform_id,
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Platform.is_active.is_(True),
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)
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.first()
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)
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if platform:
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# Mark as store domain so __call__ knows to rewrite path
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context["is_store_domain"] = True
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logger.debug(
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f"[PLATFORM] Platform found via merchant domain: {domain} → {platform.name}"
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)
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return platform
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logger.debug(f"[PLATFORM] No platform found for domain: {domain}")
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# Method 2: Path-prefix lookup
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if context.get("detection_method") == "path":
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path_prefix = context.get("path_prefix")
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if path_prefix:
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# First try path_prefix, then try code
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platform = (
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db.query(Platform)
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.filter(
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(Platform.path_prefix == path_prefix) | (Platform.code == path_prefix)
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)
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.filter(Platform.is_active.is_(True))
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.first()
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)
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if platform:
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logger.debug(
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f"[PLATFORM] Platform found via path prefix: {path_prefix} → {platform.name}"
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)
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return platform
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logger.debug(f"[PLATFORM] No platform found for path prefix: {path_prefix}")
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# Method 3: Default lookup
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if context.get("detection_method") == "default":
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platform = (
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db.query(Platform)
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.filter(Platform.code == MAIN_PLATFORM_CODE)
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.filter(Platform.is_active.is_(True))
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.first()
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)
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if platform:
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logger.debug(
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f"[PLATFORM] Default platform found: {platform.name}"
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)
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return platform
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return None
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@staticmethod
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def extract_clean_path(request: Request, platform_context: dict | None) -> str:
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"""
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Extract clean path without platform prefix for routing.
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Downstream middleware (like StoreContextMiddleware) should use this
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clean path for their detection logic.
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"""
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if not platform_context:
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return request.url.path
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# For path-based detection, use the pre-computed clean path
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if platform_context.get("detection_method") == "path":
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return platform_context.get("clean_path", request.url.path)
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# For domain-based or default, path remains unchanged
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return request.url.path
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@staticmethod
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def is_static_file_request(request: Request) -> bool:
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"""Check if request is for static files."""
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path = request.url.path.lower()
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static_extensions = (
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".ico", ".css", ".js", ".png", ".jpg", ".jpeg", ".gif", ".svg",
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".woff", ".woff2", ".ttf", ".eot", ".webp", ".map", ".json",
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".xml", ".txt", ".pdf", ".webmanifest",
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)
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static_paths = ("/static/", "/media/", "/assets/", "/.well-known/")
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if path.endswith(static_extensions):
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return True
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if any(path.startswith(static_path) for static_path in static_paths):
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return True
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return "favicon.ico" in path
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class PlatformContextMiddleware:
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"""
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ASGI Middleware to inject platform context and rewrite URL paths.
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This middleware:
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1. Detects platform from domain (production) or path prefix (development)
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2. Rewrites the URL path to remove platform prefix for routing
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3. Stores platform info in request state for handlers
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Runs BEFORE StoreContextMiddleware to establish platform context.
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Sets in scope['state']:
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platform: Platform object
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platform_context: Detection metadata
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platform_clean_path: Path without platform prefix
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platform_original_path: Original path before rewrite
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"""
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def __init__(self, app):
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self.app = app
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async def __call__(self, scope, receive, send):
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"""ASGI interface - allows path rewriting before routing."""
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if scope["type"] != "http":
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await self.app(scope, receive, send)
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return
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# Initialize state dict if not present
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if "state" not in scope:
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scope["state"] = {}
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path = scope["path"]
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host = ""
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referer = ""
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for header_name, header_value in scope.get("headers", []):
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if header_name == b"host":
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host = header_value.decode("utf-8")
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elif header_name == b"referer":
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referer = header_value.decode("utf-8")
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# Skip for static files
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if self._is_static_file(path):
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scope["state"]["platform"] = None
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scope["state"]["platform_context"] = None
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scope["state"]["platform_clean_path"] = path
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scope["state"]["platform_original_path"] = path
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await self.app(scope, receive, send)
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return
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# Skip for system endpoints
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if path in ["/health", "/docs", "/redoc", "/openapi.json"]:
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scope["state"]["platform"] = None
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scope["state"]["platform_context"] = None
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scope["state"]["platform_clean_path"] = path
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scope["state"]["platform_original_path"] = path
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await self.app(scope, receive, send)
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return
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# Skip for admin requests
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if FrontendDetector.is_admin(host, path):
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scope["state"]["platform"] = None
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scope["state"]["platform_context"] = None
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scope["state"]["platform_clean_path"] = path
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scope["state"]["platform_original_path"] = path
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await self.app(scope, receive, send)
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return
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# Detect platform context
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platform_context = self._detect_platform_context(path, host)
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# For storefront API requests on localhost, the path doesn't contain
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# /platforms/{code}/, so extract platform from the Referer header instead.
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# e.g., Referer: http://localhost:8000/platforms/loyalty/storefront/FASHIONHUB/...
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host_without_port = host.split(":")[0] if ":" in host else host
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if (
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host_without_port in _LOCAL_HOSTS
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and path.startswith("/api/v1/storefront/")
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and referer
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and platform_context
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and platform_context.get("detection_method") == "default"
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):
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referer_platform = self._extract_platform_from_referer(referer)
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if referer_platform:
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# Keep the original API path — don't rewrite to the Referer's path
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referer_platform["clean_path"] = path
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platform_context = referer_platform
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if platform_context:
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db_gen = get_db()
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db = next(db_gen)
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try:
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platform = PlatformContextManager.get_platform_from_context(
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db, platform_context
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)
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if platform:
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clean_path = platform_context.get("clean_path", path)
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# Store in scope state
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scope["state"]["platform"] = platform
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scope["state"]["platform_context"] = platform_context
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scope["state"]["platform_clean_path"] = clean_path
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scope["state"]["platform_original_path"] = path
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# REWRITE THE PATH for routing
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# This is the key: FastAPI will route based on this rewritten path
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detection_method = platform_context.get("detection_method")
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if detection_method == "path":
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# Dev mode: strip /platforms/{code}/ prefix
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scope["path"] = clean_path
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if "raw_path" in scope:
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scope["raw_path"] = clean_path.encode("utf-8")
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# Prod mode: subdomain or custom store domain
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# Prepend /storefront/ so routes registered at /storefront/ prefix match
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is_storefront_domain = (
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detection_method == "subdomain"
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or platform_context.get("is_store_domain", False)
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)
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if is_storefront_domain:
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_RESERVED = (
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"/store/", "/admin/", "/api/", "/static/",
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"/storefront/", "/health", "/docs", "/redoc",
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"/media/", "/assets/", "/merchants/",
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)
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if not any(clean_path.startswith(p) for p in _RESERVED):
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new_path = "/storefront" + clean_path
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scope["path"] = new_path
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scope["state"]["platform_clean_path"] = new_path
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if "raw_path" in scope:
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scope["raw_path"] = new_path.encode("utf-8")
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logger.debug(
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f"[PLATFORM] Detected: {platform.code}, "
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f"original={path}, routed={scope['path']}"
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)
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else:
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# Platform code not found in database
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scope["state"]["platform"] = None
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scope["state"]["platform_context"] = None
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scope["state"]["platform_clean_path"] = path
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scope["state"]["platform_original_path"] = path
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finally:
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db.close()
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else:
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scope["state"]["platform"] = None
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scope["state"]["platform_context"] = None
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scope["state"]["platform_clean_path"] = path
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scope["state"]["platform_original_path"] = path
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await self.app(scope, receive, send)
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def _detect_platform_context(self, path: str, host: str) -> dict | None:
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"""
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Detect platform from path or host.
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|
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URL Structure:
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- / → Main marketing site ('main' platform)
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- /about → Main marketing site about page
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- /platforms/oms/ → OMS platform homepage
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- /platforms/oms/pricing → OMS platform pricing
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- /platforms/loyalty/ → Loyalty platform homepage
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"""
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host_without_port = host.split(":")[0] if ":" in host else host
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# Method 1: Domain-based (production)
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if host_without_port and host_without_port not in _LOCAL_HOSTS:
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if "." in host_without_port:
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parts = host_without_port.split(".")
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if len(parts) == 2: # Root domain like omsflow.lu
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return {
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"domain": host_without_port,
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"detection_method": "domain",
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"host": host,
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"original_path": path,
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"clean_path": path,
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}
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if len(parts) >= 3: # Subdomain like wizatech.omsflow.lu
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root_domain = ".".join(parts[-2:])
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return {
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"domain": root_domain,
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"subdomain": parts[0],
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"detection_method": "subdomain",
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"host": host,
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"original_path": path,
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"clean_path": path,
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}
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# Method 2: Path-based (development) - ONLY for /platforms/ prefix
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if path.startswith("/platforms/"):
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# Extract: /platforms/oms/pricing → code="oms", clean_path="/pricing"
|
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path_after_platforms = path[11:] # Remove "/platforms/"
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parts = path_after_platforms.split("/", 1)
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platform_code = parts[0].lower()
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if platform_code:
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clean_path = "/" + parts[1] if len(parts) > 1 and parts[1] else "/"
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return {
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"path_prefix": platform_code,
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"detection_method": "path",
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"host": host,
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"original_path": path,
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"clean_path": clean_path,
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}
|
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|
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# Method 3: Default for localhost - serves main marketing site
|
|
# Store/storefront routes require explicit platform via /platforms/{code}/...
|
|
if host_without_port in _LOCAL_HOSTS:
|
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if path.startswith(("/store/", "/stores/", "/storefront/")):
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return None # No platform — require /platforms/{code}/ prefix
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return {
|
|
"path_prefix": MAIN_PLATFORM_CODE,
|
|
"detection_method": "default",
|
|
"host": host,
|
|
"original_path": path,
|
|
"clean_path": path, # No path rewrite for main site
|
|
}
|
|
|
|
return None
|
|
|
|
@staticmethod
|
|
def _extract_platform_from_referer(referer: str) -> dict | None:
|
|
"""
|
|
Extract platform context from Referer header.
|
|
|
|
Used for storefront API requests on localhost where the API path
|
|
doesn't contain /platforms/{code}/ but the Referer does.
|
|
|
|
e.g., Referer: http://localhost:8000/platforms/loyalty/storefront/FASHIONHUB/...
|
|
→ platform_code = "loyalty"
|
|
"""
|
|
try:
|
|
from urllib.parse import urlparse
|
|
|
|
parsed = urlparse(referer)
|
|
referer_path = parsed.path or ""
|
|
|
|
if referer_path.startswith("/platforms/"):
|
|
path_after = referer_path[11:] # Remove "/platforms/"
|
|
parts = path_after.split("/", 1)
|
|
platform_code = parts[0].lower()
|
|
if platform_code:
|
|
logger.debug(
|
|
f"[PLATFORM] Extracted platform from Referer: {platform_code}"
|
|
)
|
|
return {
|
|
"path_prefix": platform_code,
|
|
"detection_method": "path",
|
|
"host": parsed.hostname or "",
|
|
"original_path": referer_path,
|
|
"clean_path": "/" + parts[1] if len(parts) > 1 and parts[1] else "/",
|
|
}
|
|
except Exception as e:
|
|
logger.warning(f"[PLATFORM] Failed to extract platform from Referer: {e}")
|
|
|
|
return None
|
|
|
|
def _is_static_file(self, path: str) -> bool:
|
|
"""Check if path is for static files."""
|
|
path_lower = path.lower()
|
|
static_extensions = (
|
|
".ico", ".css", ".js", ".png", ".jpg", ".jpeg", ".gif", ".svg",
|
|
".woff", ".woff2", ".ttf", ".eot", ".webp", ".map", ".json",
|
|
".xml", ".txt", ".pdf", ".webmanifest",
|
|
)
|
|
static_paths = ("/static/", "/media/", "/assets/", "/.well-known/")
|
|
|
|
if path_lower.endswith(static_extensions):
|
|
return True
|
|
if any(path_lower.startswith(p) for p in static_paths):
|
|
return True
|
|
return "favicon.ico" in path_lower
|
|
|
|
def get_current_platform(request: Request) -> Platform | None:
|
|
"""Helper function to get current platform from request state."""
|
|
return getattr(request.state, "platform", None)
|
|
|
|
|
|
def require_platform_context():
|
|
"""Dependency to require platform context in endpoints."""
|
|
|
|
def dependency(request: Request):
|
|
platform = get_current_platform(request)
|
|
if not platform:
|
|
from fastapi import HTTPException
|
|
raise HTTPException(
|
|
status_code=404,
|
|
detail="Platform not found"
|
|
)
|
|
return platform
|
|
|
|
return dependency
|