strepsiades
56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
from ...sync_system.strategy import DefaultSyncStrategy
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from ...sync_system.config import StrategyConfig, OrphanAction, UpdateDirection
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from schemas.supplier.supplier import SupplierDetailResponse
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class SupplierSyncStrategy(DefaultSyncStrategy[SupplierDetailResponse]):
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"""
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Supplier 同步策略（基础数据，仅拉取）。
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注意：Supplier 数据量大（约 60000 条），同步耗时较长。
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建议通过 datasource.handler_configs 控制 handler 参数，例如：
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- remote_datasource.handler_configs.supplier.load_mode = "persisted_only"
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API handler 跳过远端拉取，仅使用持久化数据。
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"""
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schema = SupplierDetailResponse
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default_config = StrategyConfig(
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auto_bind=True,
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auto_bind_fields=["credit_code"],
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depend_fields={},
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local_orphan_action=OrphanAction.NONE,
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remote_orphan_action=OrphanAction.CREATE_LOCAL,
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update_direction=UpdateDirection.PULL,
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)
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def _needs_update(
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self,
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source_node,
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target_node,
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resolved_data=None,
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) -> bool:
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"""Supplier 更新忽略 id 字段差异。"""
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if resolved_data is None:
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raise ValueError(f"[{self.node_type}] resolved_data is required for differential sync.")
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source_data = resolved_data
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target_data = target_node.get_data()
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if source_data is None or target_data is None:
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return False
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is_different = False
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diffs = []
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for k, v1 in source_data.items():
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if k == "id":
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continue
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v2 = target_data.get(k)
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if v1 != v2:
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is_different = True
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diffs.append(f"{k}: {v1} != {v2}")
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if is_different and diffs:
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print(f" [DEBUG] [{self.node_type}] Node diff detected: {', '.join(diffs[:5])}")
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return is_different
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