[erlang-questions] cowboy-swagger newbie question

Mark Geib mark.geib.44@REDACTED
Thu Feb 11 22:50:37 CET 2016

Thanks for the reply.

However, I am a bit confused as to how I document the different operations then. I need to be able to provide metadata for more than one GET, one for “list” and and one for “played”. The parameters, for example, are different for each operation.

BTW, I am new to RESTful endpoints, so it could be a poor choice for an example.


> On Feb 11, 2016, at 2:44 PM, Brujo Benavides <fernando.benavides@REDACTED> wrote:
> Hi Mark,
> This email will be very brief (read: mostly useless :P) because I am on vacation and I can't actually try your example from here :(
> Surely someone from inaka (Harry, Carlos, I am looking at you guys) will give you a better answer soon.
> In any case, the problem with your example seems to be that you are trying to provide the whole swagger metadata when just the metadata for the current endpoint is needed.
> In other words, you don't have to provide the basepath (that comes from trails:root_path(), or similar function) and 'paths' is automatically generated by cowboy-swagger. You just need to provide the metadata (including the parameters, specifically those in your path) for your endpoints.
> Hope this helps.
> On Feb 11, 2016 7:25 PM, "Mark Geib" <mark.geib.44@REDACTED <mailto:mark.geib.44@REDACTED>> wrote:
> I am trying to evaluate the cowboy-swagger library which runs on top of cowboy-trails. So far pretty interesting. However I need some help in how to provide the swagger metadata for an endpoint where I have a root url like /applicaiton/rest/file/[:op]/[arg1]/[arg2] that I want to provide documentation for. I assume that I want to use the swagger “basePath” and “paths” attributes but can’t seem to make that work. I have tried the following in all the forms I can image:
> trails() ->
>   MsgTrailsMetadata =
>           #{basePath => “/application/rest/file/",
>                 paths => [#{<<"/list">> =>
>                                    #{get => #{tags => ["file"],
>                                                         description => “list available mpeg files",
>                                                         produces => ["application/json"]
>                                                    }}},
>                                   #{<<"/played">> =>
>                                    #{get => #{tags => ["file"],
>                                                         description => “list played mpeg files",
>                                                         produces => ["application/json"]}}}]
>      },
>   [trails:trail(“/application/rest/file/:op/[:arg1/[:arg2]]", ?MODULE, [], MsgTrailsMetadata)].
> Any ideas are appreciated.
> Mark.
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