forked from erp-dev/erp
333 lines
12 KiB
Python
333 lines
12 KiB
Python
import logging
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from django.conf import settings
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from django.http import Http404
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from rest_framework import authentication, mixins, serializers
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from rest_framework.authentication import get_authorization_header
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from rest_framework.exceptions import AuthenticationFailed
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from rest_framework.generics import GenericAPIView
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.response import Response
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from rest_framework.views import APIView
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from basic_info import models as basic_models
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from flower.viewsets import LimitedLimitOffsetPagination
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from printing.models import PrintingJob
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from shipment.models import SalesItem, Shipment
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logger = logging.getLogger(__name__)
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class AgentAccessPrincipal:
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id = None
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username = "agent"
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is_staff = False
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is_superuser = False
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is_anonymous = False
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is_authenticated = True
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class AgentAccessKeyAuthentication(authentication.BaseAuthentication):
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"""
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使用固定 AGENT_ACCESS_KEY 的轻量认证。
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约定：
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- 通过 Authorization 头直接传入密钥
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- 不使用 Bearer 前缀
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"""
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def authenticate(self, request):
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configured_key = str(getattr(settings, "AGENT_ACCESS_KEY", "") or "").strip()
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if not configured_key:
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logger.warning("Agent API authentication failed: AGENT_ACCESS_KEY is not configured")
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raise AuthenticationFailed("AGENT_ACCESS_KEY 未配置")
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provided_key = get_authorization_header(request).decode("utf-8").strip()
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if not provided_key:
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raise AuthenticationFailed("缺少 Authorization 请求头")
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if provided_key != configured_key:
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raise AuthenticationFailed("AGENT_ACCESS_KEY 无效")
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return AgentAccessPrincipal(), None
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def authenticate_header(self, request):
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return "AgentAccessKey"
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class AgentUnshippedShipmentQuerySerializer(serializers.Serializer):
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merchant_id = serializers.IntegerField(min_value=1)
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area = serializers.CharField(allow_blank=False, max_length=30)
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limit = serializers.IntegerField(required=False, min_value=1)
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offset = serializers.IntegerField(required=False, min_value=0)
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def validate(self, attrs):
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area = attrs["area"].strip()
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if not area:
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raise serializers.ValidationError({"area": "地区不能为空"})
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merchant = basic_models.Merchant.objects.filter(id=attrs["merchant_id"]).first()
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if merchant is None:
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raise serializers.ValidationError({"merchant_id": "商户不存在"})
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attrs["area"] = area
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attrs["merchant"] = merchant
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return attrs
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class AgentSalesItemSerializer(serializers.ModelSerializer):
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unit_display = serializers.CharField(source="get_unit_display", read_only=True)
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printing_job_width = serializers.SerializerMethodField()
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class Meta:
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model = SalesItem
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fields = [
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"id",
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"name",
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"quantity",
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"unit",
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"unit_display",
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"position",
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"remark",
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"printing_job_id",
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"printing_job_width",
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]
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def get_printing_job_width(self, obj):
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width_map = self.context.get("printing_job_width_map", {})
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return width_map.get(obj.printing_job_id)
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class AgentShipmentListSerializer(serializers.ModelSerializer):
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customer_name = serializers.CharField(source="customer.name", read_only=True)
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status_display = serializers.CharField(source="get_status_display", read_only=True)
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fabric = serializers.SerializerMethodField()
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order_description = serializers.SerializerMethodField()
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delivery_id = serializers.IntegerField(read_only=True, allow_null=True)
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sales_items = serializers.SerializerMethodField()
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class Meta:
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model = Shipment
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fields = [
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"id",
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"merchant_id",
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"customer",
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"customer_name",
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"fabric",
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"order_description",
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"shipment_date",
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"address",
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"contact_name",
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"contact_phone",
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"area",
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"remark",
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"status",
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"status_display",
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"external_id",
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"geo_coordinates",
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"delivery_id",
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"delivery",
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"sales_items",
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"created_at",
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"updated_at",
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]
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def get_fabric(self, obj):
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rel = getattr(obj, "items", None)
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if rel is None:
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return None
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first_item = next((item for item in obj.items.all() if item.delete_at is None), None)
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if first_item is None or not first_item.printing_job_id:
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return None
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from printing.models import PrintingJob
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printing_job = (
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PrintingJob.objects.filter(id=first_item.printing_job_id)
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.select_related("printing_order")
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.first()
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)
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if printing_job is None or printing_job.printing_order is None:
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return None
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return printing_job.printing_order.fabric
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def get_order_description(self, obj):
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rel = getattr(obj, "items", None)
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if rel is None:
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return None
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first_item = next((item for item in obj.items.all() if item.delete_at is None), None)
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if first_item is None or not first_item.printing_job_id:
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return None
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from printing.models import PrintingJob
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printing_job = (
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PrintingJob.objects.filter(id=first_item.printing_job_id)
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.select_related("printing_order")
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.first()
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)
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if printing_job is None or printing_job.printing_order is None:
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return None
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return printing_job.printing_order.rolling_warn
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def get_sales_items(self, obj):
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items = [i for i in obj.items.all() if i.delete_at is None]
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return AgentSalesItemSerializer(items, many=True, context=self.context).data
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class AgentUnshippedShipmentListView(mixins.ListModelMixin, GenericAPIView):
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"""
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Agent 专用：查询尚未进入送货单的出货单列表。
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GET /api/v2/ai/shipments/unshipped/?merchant_id=<id>&area=<地区>&limit=<n>&offset=<n>
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"""
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authentication_classes = [AgentAccessKeyAuthentication]
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permission_classes = [IsAuthenticated]
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serializer_class = AgentShipmentListSerializer
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pagination_class = LimitedLimitOffsetPagination
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def get(self, request):
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query_serializer = AgentUnshippedShipmentQuerySerializer(data=request.query_params)
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query_serializer.is_valid(raise_exception=True)
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self.validated_query = query_serializer.validated_data
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return self.list(request)
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def list(self, request, *args, **kwargs):
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queryset = self.filter_queryset(self.get_queryset())
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page = self.paginate_queryset(queryset)
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shipments = page if page is not None else queryset
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# Batch-fetch printing job widths to avoid N+1
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pj_ids = {
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item.printing_job_id
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for shipment in shipments
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for item in shipment.items.all()
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if item.printing_job_id and item.delete_at is None
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}
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width_map = {}
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if pj_ids:
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width_map = {
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job.id: job.printing_order.width
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for job in PrintingJob.objects.filter(id__in=pj_ids).select_related("printing_order")
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}
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ctx = {**self.get_serializer_context(), "printing_job_width_map": width_map}
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serializer = self.get_serializer(shipments, many=True, context=ctx)
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if page is not None:
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return self.get_paginated_response(serializer.data)
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return Response(serializer.data)
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def get_queryset(self):
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validated_query = getattr(self, "validated_query", None)
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if validated_query is None:
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query_serializer = AgentUnshippedShipmentQuerySerializer(data=self.request.query_params)
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query_serializer.is_valid(raise_exception=True)
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validated_query = query_serializer.validated_data
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merchant = validated_query["merchant"]
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area = validated_query["area"]
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return (
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Shipment.objects.filter(
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merchant=merchant,
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area=area,
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delivery__isnull=True,
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)
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.select_related("customer", "merchant")
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.prefetch_related("items")
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.order_by("-created_at", "-id")
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)
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# ---------------------------------------------------------------------------
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# Vehicle views
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# ---------------------------------------------------------------------------
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class AgentMerchantQuerySerializer(serializers.Serializer):
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"""Base serializer that validates merchant_id and returns merchant instance."""
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merchant_id = serializers.IntegerField(min_value=1)
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def validate_merchant_id(self, value):
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merchant = basic_models.Merchant.objects.filter(id=value).first()
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if merchant is None:
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raise serializers.ValidationError("商户不存在")
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return merchant
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class AgentTransportVehicleCapacitySerializer(serializers.ModelSerializer):
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class Meta:
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model = basic_models.TransportVehicleMaterialCapacity
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fields = ["id", "material_name", "capacity"]
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class AgentTransportVehicleSerializer(serializers.ModelSerializer):
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material_capacities = AgentTransportVehicleCapacitySerializer(many=True, read_only=True)
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class Meta:
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model = basic_models.TransportVehicle
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fields = ["id", "merchant_id", "name", "license_plate", "material_capacities", "created_at", "updated_at"]
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class AgentTransportVehicleListView(mixins.ListModelMixin, GenericAPIView):
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"""
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Agent 专用：查询商户下的所有运输车辆及其物料容量。
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GET /api/v2/ai/transport-vehicles/?merchant_id=<id>
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"""
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authentication_classes = [AgentAccessKeyAuthentication]
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permission_classes = [IsAuthenticated]
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serializer_class = AgentTransportVehicleSerializer
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pagination_class = LimitedLimitOffsetPagination
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def get(self, request):
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query_serializer = AgentMerchantQuerySerializer(data=request.query_params)
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query_serializer.is_valid(raise_exception=True)
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self.merchant = query_serializer.validated_data["merchant_id"]
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return self.list(request)
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def get_queryset(self):
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merchant = getattr(self, "merchant", None)
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if merchant is None:
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query_serializer = AgentMerchantQuerySerializer(data=self.request.query_params)
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query_serializer.is_valid(raise_exception=True)
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merchant = query_serializer.validated_data["merchant_id"]
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return (
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basic_models.TransportVehicle.objects.filter(merchant=merchant)
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.prefetch_related("material_capacities")
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.order_by("id")
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)
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class AgentTransportVehicleDetailView(APIView):
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"""
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Agent 专用：通过车牌号查询运输车辆详情。
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GET /api/v2/ai/transport-vehicles/<license_plate>/?merchant_id=<id>
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license_plate 在同一商户内唯一（unique_together: merchant + license_plate）。
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"""
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authentication_classes = [AgentAccessKeyAuthentication]
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permission_classes = [IsAuthenticated]
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def get(self, request, license_plate):
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query_serializer = AgentMerchantQuerySerializer(data=request.query_params)
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query_serializer.is_valid(raise_exception=True)
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merchant = query_serializer.validated_data["merchant_id"]
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try:
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vehicle = (
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basic_models.TransportVehicle.objects
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.prefetch_related("material_capacities")
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.get(merchant=merchant, license_plate=license_plate)
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)
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except basic_models.TransportVehicle.DoesNotExist:
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raise Http404
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return Response(AgentTransportVehicleSerializer(vehicle).data)
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