init medical training project

2026-05-29 15:58:00 +08:00
commit b4bb38b7be
91 changed files with 6765 additions and 0 deletions
@@ -0,0 +1,32 @@
+from apps.user.models import Department
+from config.exceptions import AppError
+
+
+def resolve_department(department_name: str):
+    """按名称解析科室，返回 Department 实例。
+
+    - 空/None → 返回 None（不强制）
+    - 精确匹配 1 条 → 返回该 Department
+    - 匹配 0 条 → 400 CASE_DEPARTMENT_NOT_FOUND
+    - 匹配多条 → 400 CASE_DEPARTMENT_AMBIGUOUS
+    """
+    if not department_name:
+        return None
+
+    qs = Department.objects.filter(name=department_name)
+    count = qs.count()
+
+    if count == 0:
+        raise AppError(
+            'CASE_DEPARTMENT_NOT_FOUND',
+            f'科室 "{department_name}" 不存在',
+            status_code=400,
+        )
+    if count > 1:
+        raise AppError(
+            'CASE_DEPARTMENT_AMBIGUOUS',
+            f'科室 "{department_name}" 匹配到多条记录，请精确指定',
+            details={'matches': list(qs.values_list('name', flat=True))},
+            status_code=400,
+        )
+    return qs.first()