haskell-servant/servant

Dynamic Content Type

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#501 opened on May 7, 2016

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 (14 comments) (1 reaction) (0 assignees)Haskell (422 forks)batch import
enhancementhelp wantedrfcservant-client

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Description

The library is great! But there is one thing that I've been trying to figure out how to do: setting a content type on servant client depending on the input. How do I let the user define the content type? When I create the client routes, the content type is always defined next to ReqBody. Is there any way to do that?

A use case is file upload. For example, an avatar could have many different mime type values.

Contributor guide

Research direction
Investigate how to support dynamic content types in servant client by extending the type level API to accept runtime content type values or by using a custom content type combinator.
Tech stack
None
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30