🔨 Add a minimum unit constraint

wafflestudio · Jan 25, 2025 · 6a6392d · 6a6392d
1 parent 6b6568c
commit 6a6392d
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Showing 2 changed files with 13 additions and 3 deletions.
diff --git a/src/main/kotlin/com/toyProject7/karrot/auction/AuctionException.kt b/src/main/kotlin/com/toyProject7/karrot/auction/AuctionException.kt
@@ -23,12 +23,18 @@ class AuctionPermissionDeniedException : AuctionException(
     msg = "Permission denied",
 )
 
-class AuctionBadPriceException : AuctionException(
+class AuctionTooLowPriceException : AuctionException(
     errorCode = 0,
     httpStatusCode = HttpStatus.BAD_REQUEST,
     msg = "Your price is lower than current price",
 )
 
+class AuctionTooFineUnitExceptions : AuctionException(
+    errorCode = 0,
+    httpStatusCode = HttpStatus.BAD_REQUEST,
+    msg = "Minimum unit is 5% of the start price",
+)
+
 class AuctionOverException : AuctionException(
     errorCode = 0,
     httpStatusCode = HttpStatus.BAD_REQUEST,

diff --git a/src/main/kotlin/com/toyProject7/karrot/auction/service/AuctionService.kt b/src/main/kotlin/com/toyProject7/karrot/auction/service/AuctionService.kt
@@ -2,10 +2,11 @@ package com.toyProject7.karrot.auction.service
 
 import com.toyProject7.karrot.article.ArticlePermissionDeniedException
 import com.toyProject7.karrot.article.controller.UpdateStatusRequest
-import com.toyProject7.karrot.auction.AuctionBadPriceException
 import com.toyProject7.karrot.auction.AuctionNotFoundException
 import com.toyProject7.karrot.auction.AuctionOverException
 import com.toyProject7.karrot.auction.AuctionPermissionDeniedException
+import com.toyProject7.karrot.auction.AuctionTooFineUnitExceptions
+import com.toyProject7.karrot.auction.AuctionTooLowPriceException
 import com.toyProject7.karrot.auction.controller.Auction
 import com.toyProject7.karrot.auction.controller.AuctionMessage
 import com.toyProject7.karrot.auction.controller.PostAuctionRequest
@@ -37,7 +38,10 @@ class AuctionService(
             throw AuctionOverException()
         }
         if (auctionEntity.currentPrice >= auctionMessage.price) {
-            throw AuctionBadPriceException()
+            throw AuctionTooLowPriceException()
+        }
+        if ((auctionMessage.price - auctionEntity.currentPrice) % (auctionEntity.startingPrice * 0.05).toInt() != 0) {
+            throw AuctionTooFineUnitExceptions()
         }
         val bidder = userService.getUserEntityByNickname(auctionMessage.senderNickname)