药房下线（禁用/删除）医生分流迁移

api/dao/doctorPharmacy.go

@@ -192,6 +192,44 @@ func (r *DoctorPharmacyDao) GetDoctorPharmacyCountsByPharmacyId(pharmacyId int64
 	return totalCount, defaultCount, nil
 }
 
+// GetOtherPharmaciesByDoctorIds 批量获取一组医生绑定的其他有效药房
+func (r *DoctorPharmacyDao) GetOtherPharmaciesByDoctorIds(doctorIds []int64, excludePharmacyId int64) (m []*model.DoctorPharmacy, err error) {
+	if len(doctorIds) == 0 {
+		return nil, nil
+	}
+
+	err = global.Db.Preload("Pharmacy").
+		Where("doctor_id IN (?) AND status = 1 AND pharmacy_id != ?", doctorIds, excludePharmacyId).
+		Order("is_default desc, created_at desc").
+		Find(&m).Error
+	if err != nil {
+		return nil, err
+	}
+
+	// GORM 在外键为 0 时会自动跳过 Preload，因此针对未能预加载的记录进行兜底补全
+	var zeroPharmacy *model.Pharmacy
+	for _, dp := range m {
+		if dp.Pharmacy == nil {
+			if dp.PharmacyId == 0 {
+				if zeroPharmacy == nil {
+					var ph model.Pharmacy
+					if err := global.Db.Where("pharmacy_id = 0").First(&ph).Error; err == nil {
+						zeroPharmacy = &ph
+					}
+				}
+				dp.Pharmacy = zeroPharmacy
+			} else {
+				var ph model.Pharmacy
+				if err := global.Db.Where("pharmacy_id = ?", dp.PharmacyId).First(&ph).Error; err == nil {
+					dp.Pharmacy = &ph
+				}
+			}
+		}
+	}
+
+	return m, nil
+}
+
 // GetPharmacyDoctorExportListSearch 获取药房关联医生列表-导出
 func (r *DoctorPharmacyDao) GetPharmacyDoctorExportListSearch(req requests.PharmacyDoctorExportList) (m []*model.DoctorPharmacy, err error) {
 	query := global.Db.Model(&model.DoctorPharmacy{}).