feat: cms users institution department manager

apps/user/models.py

@@ -3,10 +3,14 @@ from django.db import models
 from django.utils import timezone
 from django.contrib.auth.base_user import BaseUserManager
 
-from apps.common.models import BaseModel
+from apps.common.models import BaseModel, SoftDeleteModel
 
 
 class UserManager(BaseUserManager):
+    def get_queryset(self):
+        # 默认管理器只返回未删除（未停用）用户；停用用户无法登录/被列出
+        return super().get_queryset().filter(is_deleted=False)
+
     def create_user(self, username, password=None, **extra_fields):
         if not username:
             raise ValueError('用户名不能为空')
@@ -70,7 +74,12 @@ class User(AbstractBaseUser, PermissionsMixin, BaseModel):
     is_active = models.BooleanField('active', default=True)
     date_joined = models.DateTimeField('date joined', default=timezone.now)
 
-    objects = UserManager()
+    # 软删除（停用 = 逻辑删除）
+    is_deleted = models.BooleanField('是否删除', default=False, db_index=True)
+    deleted_at = models.DateTimeField('删除时间', null=True, blank=True)
+
+    objects = UserManager()           # 默认：仅未删除
+    all_objects = BaseUserManager()   # 含已删除（管理/恢复用）
 
     USERNAME_FIELD = 'username'
     REQUIRED_FIELDS = []
@@ -83,6 +92,15 @@ class User(AbstractBaseUser, PermissionsMixin, BaseModel):
     def __str__(self):
         return self.username
 
+    def delete(self, using=None, keep_parents=False):
+        """停用 = 逻辑删除（不物理删除，避免级联丢数据）。"""
+        self.is_deleted = True
+        self.deleted_at = timezone.now()
+        self.save(using=using, update_fields=['is_deleted', 'deleted_at', 'updated_at'])
+
+    def hard_delete(self, using=None, keep_parents=False):
+        super().delete(using=using, keep_parents=keep_parents)
+
 
 class Role(BaseModel):
     """角色表"""
@@ -99,7 +117,7 @@ class Role(BaseModel):
         return self.role_name
 
 
-class TeacherStudentRelation(BaseModel):
+class TeacherStudentRelation(SoftDeleteModel):
     """师生关系表"""
     STATUS_CHOICES = [
         (0, '已结束'),
@@ -129,7 +147,7 @@ class TeacherStudentRelation(BaseModel):
         return f"{self.teacher.real_name or self.teacher.username} -> {self.student.real_name or self.student.username}"
 
 
-class Institution(BaseModel):
+class Institution(SoftDeleteModel):
     """医疗机构表"""
 
     id = models.BigAutoField(primary_key=True)
@@ -153,13 +171,9 @@ class Institution(BaseModel):
         return self.name
 
 
-class Department(BaseModel):
-    """科室表"""
+class Department(SoftDeleteModel):
+    """科室表（全局分类表，与机构无关；仅超级管理员维护，用于给病例分类）"""
     id = models.BigAutoField(primary_key=True)
-    institution = models.ForeignKey(
-        Institution, on_delete=models.CASCADE,
-        verbose_name='所属机构'
-    )
     name = models.CharField('科室名称', max_length=100)
     category = models.CharField('科室分类', max_length=50, blank=True)