From 072d61abb3d33a3c6912abd4c1454d1fa2219ce0 Mon Sep 17 00:00:00 2001
From: msksbr515 <gugugulaocuchen@gmail.com>
Date: Sat, 23 May 2026 01:19:40 +0800
Subject: [PATCH] refactor(dto): use nested DTOs for borrow info

- Extract book borrow info into BookBorrowDto
- Extract user borrow info into UserBorrowDto
- Update BorrowInfoDto to reference the new DTOs
---
 src/main/kotlin/com/msksbr/bookmgr/dto/BorrowInfoDto.kt   | 8 ++++----
 .../kotlin/com/msksbr/bookmgr/dto/borrow/BookBorrowDto.kt | 8 ++++++++
 .../kotlin/com/msksbr/bookmgr/dto/borrow/UserBorrowDto.kt | 7 +++++++
 3 files changed, 19 insertions(+), 4 deletions(-)
 create mode 100644 src/main/kotlin/com/msksbr/bookmgr/dto/borrow/BookBorrowDto.kt
 create mode 100644 src/main/kotlin/com/msksbr/bookmgr/dto/borrow/UserBorrowDto.kt

diff --git a/src/main/kotlin/com/msksbr/bookmgr/dto/BorrowInfoDto.kt b/src/main/kotlin/com/msksbr/bookmgr/dto/BorrowInfoDto.kt
index a9ba63e..13a89eb 100644
--- a/src/main/kotlin/com/msksbr/bookmgr/dto/BorrowInfoDto.kt
+++ b/src/main/kotlin/com/msksbr/bookmgr/dto/BorrowInfoDto.kt
@@ -1,13 +1,13 @@
 package com.msksbr.bookmgr.dto
 
-import com.msksbr.bookmgr.entity.Book
+import com.msksbr.bookmgr.dto.borrow.BookBorrowDto
+import com.msksbr.bookmgr.dto.borrow.UserBorrowDto
 import java.util.Date
 
 class BorrowInfoDto(
     val id: Long,
-    val book: Book,
-    val userId: Long,
-    val username: String,
+    val bookBorrowDto: BookBorrowDto,
+    val userBorrowDto: UserBorrowDto,
     val borrowTime: Date,
     val returnTime: Date?,
     val string: String
diff --git a/src/main/kotlin/com/msksbr/bookmgr/dto/borrow/BookBorrowDto.kt b/src/main/kotlin/com/msksbr/bookmgr/dto/borrow/BookBorrowDto.kt
new file mode 100644
index 0000000..151e7af
--- /dev/null
+++ b/src/main/kotlin/com/msksbr/bookmgr/dto/borrow/BookBorrowDto.kt
@@ -0,0 +1,8 @@
+package com.msksbr.bookmgr.dto.borrow
+
+data class BookBorrowDto(
+    val id: Long,
+    val name: String,
+    val author: String,
+    val number: Int = 1
+)
\ No newline at end of file
diff --git a/src/main/kotlin/com/msksbr/bookmgr/dto/borrow/UserBorrowDto.kt b/src/main/kotlin/com/msksbr/bookmgr/dto/borrow/UserBorrowDto.kt
new file mode 100644
index 0000000..04063b0
--- /dev/null
+++ b/src/main/kotlin/com/msksbr/bookmgr/dto/borrow/UserBorrowDto.kt
@@ -0,0 +1,7 @@
+package com.msksbr.bookmgr.dto.borrow
+
+data class UserBorrowDto(
+    val id: Long,
+    val username: String,
+    val role: String
+)
\ No newline at end of file