Having issue during validation of request

[avinashamanjha251]

I tried to validate the response for "userName" every time it's failed with error "Validation executor couldn't find any validations to run (broken Decoder?)". However I can see the data is coming from Controller to Vapor package and while creating BSONDecoder the value of validation is overwrite by other userInfo data which is declared in ExtendedJSONDecoder.

[gwynne]

@avinashamanjha251 I saw that you closed this issue, but I wanted to double-check that you'd been able to solve this. From what I can see in the SwiftBSON code, the problem looks to me that the MongoDBVapor package hasn't been updated with support for the changes in the validation API I had to make a little while back. I've submitted a PR to them with the appropriate fix, but in the meantime, it is possible to work around the problem from your end as well if you're still having trouble.

[avinashamanjha251]

@gwynne this issue is happening due the use of below setting

ContentConfiguration.global.use(encoder: ExtendedJSONEncoder(), for: .json)
ContentConfiguration.global.use(decoder: ExtendedJSONDecoder(), for: .json)

while calling configure func, after commenting above two Validation started working.
"public func configure(_ app: Application) async throws"

[gwynne]

@avinashamanjha251 I have no idea when (or even if) the upstream repo will merge the PR I made that fixes the problem, but you can take advantage of the fix now by using the fork I made to do the PR from for now:

        // In your Package.swift:
        .package(url: "https://github.com/gwynne/mongodb-vapor.git", branch: "updated-content-coders-support")

Or alternatively, you can paste this code anywhere in your project (or just add it as a new file) to accomplish the same result:

import MongoDBVapor
import Vapor

extension ExtendedJSONEncoder {
     public func encode<E: Encodable>(_ encodable: E, to body: inout ByteBuffer, headers: inout HTTPHeaders, userInfo: [CodingUserInfoKey: Any]) throws {
         let encoder: ExtendedJSONEncoder
         if userInfo.isEmpty {
             encoder = self
         } else {
             encoder = ExtendedJSONEncoder()
             encoder.format = self.format
             encoder.userInfo = self.userInfo.merging(userInfo, uniquingKeysWith: { $1 })
         }
         headers.contentType = .json
         var buffer = try encoder.encodeBuffer(encodable)
         body.writeBuffer(&buffer)
     }
 }

 extension ExtendedJSONDecoder {
     public func decode<D: Decodable>(_: D.Type, from body: ByteBuffer, headers _: HTTPHeaders, userInfo: [CodingUserInfoKey: Any]) throws -> D {
         let decoder: ExtendedJSONDecoder
         if userInfo.isEmpty {
             decoder = self
         } else {
             decoder = ExtendedJSONDecoder()
             decoder.userInfo = self.userInfo.merging(userInfo, uniquingKeysWith: { $1 })
         }
         return try decoder.decode(D.self, from: body)
     }
 }

(This basically does the same thing the PR does; since the types in question are all public, you can just add the missing implementation directly.)

[avinashamanjha251]

hi @gwynne thanks for the changes. Its working.

[avinashamanjha251]

now we can close the ticket.