init: Prefect ETL sync project (RIIN/SDS → PG) with 12 sync flows

api/_common/batch.py

@@ -0,0 +1,36 @@
+"""批量切分辅助:对应 TS SDK 里订单 OID/快递单号、SDS 订单关键词的批量拆分。"""
+
+from __future__ import annotations
+
+import re
+
+_MULTI_SEP = re.compile(r"[,，\s\n\r]+")
+
+
+def parse_id_text(text: str) -> list[str]:
+    """把逗号/空白/换行分隔的字符串解析为去重的 ID 列表(RIIN 用)。"""
+    items = _MULTI_SEP.split(text or "")
+    seen: dict[str, None] = {}
+    for item in items:
+        item = item.strip()
+        if item and item not in seen:
+            seen[item] = None
+    return list(seen.keys())
+
+
+def split_lines(text: str) -> list[str]:
+    """把换行分隔的字符串解析为去重的列表(SDS 订单号 keywords 用)。"""
+    items = re.split(r"[\n\r]+", text or "")
+    seen: dict[str, None] = {}
+    for item in items:
+        item = item.strip()
+        if item and item not in seen:
+            seen[item] = None
+    return list(seen.keys())
+
+
+def chunk(items: list[str], size: int) -> list[list[str]]:
+    """把列表按 size 切成多批。"""
+    if not items:
+        return []
+    return [items[i : i + size] for i in range(0, len(items), size)]