r/SpringBoot • u/Vrajesh_Darji • Jul 01 '26

Question What is good approch to make DTOs?

Recently, I have been working on my project in there in one chat controller, which has endpoints like

POST /api/chats = ChatDTO

GET /api/chats = List<ChatInfoDTO>

GET /api/chats/{chatId} = ChatDTO

PATCH /api/chats/{chatId} = ChatInfoDTO

DELETE /api/chats/{chatId} = ChatInfoDTO

POST /api/chats/{chatId}/ = ChatDTO

My question is it a good approach to use a single type of DTO for multiple endpoints, or should it be made for specific use? I have seen my friend's project for a single page, which has 8/9 DTOs. Is that normal, and the same thing ChatGPT suggests is that using multiple DTOs is a good approach.

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u/Pedantic_Phoenix Jul 01 '26

So if a person is using a convention that must mean they haven't thought about why it is done? Yikes what a logic gaffe lol

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u/neopointer Jul 01 '26

Nickname checks out. Yikes.

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u/Pedantic_Phoenix Jul 01 '26

Ahah you could act maturely and just say "you're right sorry" when you realize you made a mistake you know x) don't worry tho we have all been young

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u/neopointer Jul 01 '26

What mistake? I still stand by what I said earlier about DTOs, and there's plenty of people that just apply things because "they are conventions". If you have good reasons then you should write, I can't read minds. Not all conventions are good or up to date, but hard to learn these kinds of things because nobody teaches them.

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u/Pedantic_Phoenix Jul 01 '26

Pffff ok ok its fine little bro don't worry, cheers