strepsiades
139 lines
4.8 KiB
Python
139 lines
4.8 KiB
Python
"""
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Supplier API Handler (只读)
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职责：
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- 加载供应商列表
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- 不支持创建/更新/删除
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"""
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from typing import List, Dict
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from ...datasource.api.handler import BaseApiHandler
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from ...datasource.task_result import TaskResult
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from ...common.sync_node import SyncNode
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from .sync_node import SupplierSyncNode
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from schemas.supplier.supplier import SupplierDetailResponse
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class SupplierApiHandler(BaseApiHandler):
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"""供应商 API Handler (只读)"""
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def __init__(self, load_mode: str = "api", max_total: int | None = None):
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super().__init__(node_class=SupplierSyncNode, schema=SupplierDetailResponse)
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self._load_mode = load_mode
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self._max_total = max_total
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async def load(self) -> List[SyncNode]:
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"""加载供应商列表（支持分页）"""
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try:
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if self._load_mode == "persisted_only":
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existing_count = 0
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if self._collection is not None:
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existing_count = len(self._collection.filter(node_type=self.node_type))
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print(f"ℹ️ Supplier load skipped (persisted_only). Existing={existing_count}")
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return []
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nodes = []
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page = 1
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page_size = 10000
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while True:
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# 获取一页数据
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suppliers, total = await api_get_supplier_list(
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self.api_client,
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page=page,
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page_size=page_size
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)
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# 没有数据了，退出循环
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if not suppliers:
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break
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# 转换为节点
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for supplier_model in suppliers:
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supplier_data = supplier_model.model_dump()
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nodes.append(self._create_node(supplier_data))
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if self._max_total is not None and len(nodes) >= self._max_total:
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return nodes
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# 检查是否还有下一页
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if total > 0 and page * page_size >= total:
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break
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# 如果没有total字段，且items数量小于page_size，说明是最后一页
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if total == 0 and len(suppliers) < page_size:
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break
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page += 1
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return nodes
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except Exception as e:
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print(f"❌ Failed to load suppliers: {e}")
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return []
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async def create_all(self, nodes: List[SyncNode]) -> List[TaskResult]:
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"""不支持创建"""
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return [
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TaskResult.failed(node_id=node.node_id, error="Supplier creation not supported")
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for node in nodes
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]
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async def update_all(self, nodes: List[SyncNode]) -> List[TaskResult]:
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"""不支持更新"""
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return [
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TaskResult.failed(node_id=node.node_id, error="Supplier update not supported")
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for node in nodes
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]
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async def delete_all(self, nodes: List[SyncNode]) -> List[TaskResult]:
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"""不支持删除"""
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return [
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TaskResult.failed(node_id=node.node_id, error="Supplier deletion not supported")
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for node in nodes
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]
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async def poll_tasks(self, task_ids: List[str]) -> Dict[str, TaskResult]:
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"""轮询异步任务状态（占位）"""
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return await super().poll_tasks(task_ids)
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# ========== 静态 API 函数 ==========
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async def api_get_supplier_list(client, page: int = 1, page_size: int = 100) -> tuple[List[SupplierDetailResponse], int]:
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"""
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获取供应商列表 GET /supplier/list
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Args:
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client: API客户端
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page: 页码，从1开始
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page_size: 每页大小
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Returns:
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tuple[List[SupplierDetailResponse], int]: (验证过的供应商列表, 总数)
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"""
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from pydantic import ValidationError
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response = await client.request(
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method="GET",
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endpoint="/supplier/list",
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params={"page": page, "page_size": page_size}
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)
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if response.get("code") != 200:
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raise Exception(f"API error: {response.get('message', 'Unknown error')}")
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# 注意：supplier返回格式可能是 {code: 200, list: [...]} 或 {code: 200, data: {list: [...]}}
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data = response.get("data", {})
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items = data.get("list", []) if data else response.get("list", [])
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total = data.get("total", 0) if data else response.get("total", 0)
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# 验证每个返回项
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validated_items = []
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for item in items:
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try:
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validated_item = SupplierDetailResponse.model_validate(item)
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validated_items.append(validated_item)
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except ValidationError as e:
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print(f"⚠️ Skipping invalid supplier item: {e}")
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continue
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return validated_items, total
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