增加通过管理员用户名查找管理员信息的API

internal/db/models/admin_dao.go

@@ -130,6 +130,19 @@ func (this *AdminDAO) FindAdminIdWithUsername(tx *dbs.Tx, username string) (int6
 	return int64(one.(*Admin).Id), nil
 }
 
+// FindAdminWithUsername 根据用户名查询管理员信息
+func (this *AdminDAO) FindAdminWithUsername(tx *dbs.Tx, username string) (*Admin, error) {
+	one, err := this.Query(tx).
+		Attr("username", username).
+		State(AdminStateEnabled).
+		ResultPk().
+		Find()
+	if err != nil || one == nil {
+		return nil, err
+	}
+	return one.(*Admin), nil
+}
+
 // UpdateAdminPassword 更改管理员密码
 func (this *AdminDAO) UpdateAdminPassword(tx *dbs.Tx, adminId int64, password string) error {
 	if adminId <= 0 {
@@ -212,7 +225,7 @@ func (this *AdminDAO) UpdateAdmin(tx *dbs.Tx, adminId int64, username string, ca
 	return nil
 }
 
-// CheckAdminUsername 检查用户名是否存在
+// CheckAdminUsername 检查管理员用户名是否存在
 func (this *AdminDAO) CheckAdminUsername(tx *dbs.Tx, adminId int64, username string) (bool, error) {
 	query := this.Query(tx).
 		State(AdminStateEnabled).

internal/rpc/services/service_admin.go

@@ -104,6 +104,39 @@ func (this *AdminService) CheckAdminUsername(ctx context.Context, req *pb.CheckA
 	return &pb.CheckAdminUsernameResponse{Exists: exists}, nil
 }
 
+// FindAdminWithUsername 使用用管理员户名查找管理员信息
+func (this *AdminService) FindAdminWithUsername(ctx context.Context, req *pb.FindAdminWithUsernameRequest) (*pb.FindAdminWithUsernameResponse, error) {
+	// 校验请求
+	_, err := this.ValidateAdmin(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	var tx = this.NullTx()
+
+	if len(req.Username) == 0 {
+		return nil, errors.New("require 'username'")
+	}
+	admin, err := models.SharedAdminDAO.FindAdminWithUsername(tx, req.Username)
+	if err != nil {
+		return nil, err
+	}
+	if admin == nil {
+		return &pb.FindAdminWithUsernameResponse{Admin: nil}, nil
+	}
+
+	return &pb.FindAdminWithUsernameResponse{
+		Admin: &pb.Admin{
+			Id:       int64(admin.Id),
+			Fullname: admin.Fullname,
+			Username: admin.Username,
+			IsOn:     admin.IsOn,
+			IsSuper:  admin.IsSuper,
+			CanLogin: admin.CanLogin,
+		},
+	}, nil
+}
+
 // FindAdminFullname 获取管理员名称
 func (this *AdminService) FindAdminFullname(ctx context.Context, req *pb.FindAdminFullnameRequest) (*pb.FindAdminFullnameResponse, error) {
 	// 校验请求