OpenAPITools / OpenAPITools/openapi-generator

[REQ] Kotlin : allow having all DTO classes inside one singleton object in one file

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Enhancement: Feature
Dominant language
Java
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Description

Is your feature request related to a problem? Please describe.

In Kotlin it is handy to have all DTO classes placed inside singleton object in one file which allows:

  • avoiding having names prefixed for all classes
  • importing just this singleton object (for example named api) in code that uses these DTOs and then referencing particular DTO in code using this object (for example api.Request).

Describe the solution you'd like

All generated DTOs should be placed inside singleton object in one file.

Describe alternatives you've considered

Allow customization of templates to achieve that. How can this be done?

Additional context

N/A

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source file or test is named. Start by locating the Kotlin DTO generation templates and determine how template customization currently works; the requested result is all generated DTO classes inside one singleton object in a single file, with references such as api.Request.

Written by the indexing model from the issue text.

Assessment

Tech stack
kotlin
Domain
tooling
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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