Files
clientflow_backend/app/packlink_client.py
2026-06-09 22:55:58 +01:00

146 lines
5.0 KiB
Python

"""Cliente mínimo para Packlink PRO.
A Packlink PRO usa API key no header Authorization, sem Bearer.
Base testada: https://api.packlink.com/v1
"""
from __future__ import annotations
from dataclasses import dataclass
from typing import Any, Dict, List, Optional
import httpx
from app.config import settings
class PacklinkError(RuntimeError):
pass
@dataclass(frozen=True)
class PacklinkConfig:
base_url: str
api_key: str
def get_packlink_config() -> PacklinkConfig:
base_url = (settings.packlink_base_url or "https://api.packlink.com/v1").rstrip("/")
api_key = (settings.packlink_api_key or "").strip()
if not api_key:
raise PacklinkError("PACKLINK_API_KEY em falta")
return PacklinkConfig(base_url=base_url, api_key=api_key)
class PacklinkClient:
def __init__(self, config: Optional[PacklinkConfig] = None, timeout: float = 30.0):
self.config = config or get_packlink_config()
self.timeout = timeout
@property
def headers(self) -> Dict[str, str]:
return {
"Authorization": self.config.api_key,
"Accept": "application/json",
"Content-Type": "application/json",
}
async def _request(
self,
method: str,
path: str,
*,
params: Optional[Dict[str, Any]] = None,
json_body: Optional[Dict[str, Any]] = None,
) -> Any:
url = f"{self.config.base_url}/{path.lstrip('/')}"
async with httpx.AsyncClient(timeout=self.timeout) as client:
response = await client.request(
method.upper(),
url,
headers=self.headers,
params=params,
json=json_body,
)
if response.status_code >= 400:
detail = response.text
try:
detail = response.json()
except Exception:
pass
raise PacklinkError(f"Packlink error {response.status_code} em {method.upper()} {path}: {detail}")
if not response.content:
return None
try:
return response.json()
except Exception as exc:
raise PacklinkError(f"Resposta Packlink não é JSON em {method.upper()} {path}: {response.text[:500]}") from exc
async def get_client(self) -> Dict[str, Any]:
return await self._request("GET", "/clients")
async def get_warehouses(self) -> List[Dict[str, Any]]:
data = await self._request("GET", "/clients/warehouses")
return data or []
async def get_parcels(self) -> List[Dict[str, Any]]:
data = await self._request("GET", "/users/parcels")
return data or []
async def validate_postal_code(self, country: str, zip_code: str) -> List[Dict[str, Any]]:
return await self._request("GET", f"/locations/postalcodes/{country}/{zip_code}")
async def quote_services(
self,
*,
from_country: str,
from_zip: str,
to_country: str,
to_zip: str,
packages: List[Dict[str, Any]],
source: str = "PRO",
) -> List[Dict[str, Any]]:
params: Dict[str, Any] = {
"from[country]": from_country,
"from[zip]": from_zip,
"to[country]": to_country,
"to[zip]": to_zip,
"source": source,
}
for idx, package in enumerate(packages):
params[f"packages[{idx}][height]"] = package.get("height")
params[f"packages[{idx}][width]"] = package.get("width")
params[f"packages[{idx}][length]"] = package.get("length")
params[f"packages[{idx}][weight]"] = package.get("weight")
data = await self._request("GET", "/services", params=params)
return data or []
async def get_service_details(self, service_id: str | int) -> Dict[str, Any]:
return await self._request("GET", f"/services/available/{service_id}/details")
async def create_shipment(self, payload: Dict[str, Any]) -> Dict[str, Any]:
return await self._request("POST", "/shipments", json_body=payload)
async def list_shipments(self, *, limit: int = 100, offset: int = 0) -> Any:
"""List shipments when Packlink exposes the collection endpoint.
Some Packlink tenants/API versions may restrict this endpoint. The
reconciliation sync catches those API errors and reports them instead
of creating operational tasks.
"""
params = {"limit": min(max(int(limit), 1), 100), "offset": max(int(offset), 0)}
return await self._request("GET", "/shipments", params=params)
async def get_shipment(self, reference: str) -> Dict[str, Any]:
return await self._request("GET", f"/shipments/{reference}")
async def get_labels(self, reference: str) -> List[Any]:
data = await self._request("GET", f"/shipments/{reference}/labels")
return data or []
async def get_tracking(self, reference: str) -> List[Dict[str, Any]]:
data = await self._request("GET", f"/shipments/{reference}/track")
return data or []