nwaku/waku/waku_api/rest/lightpush/client.nim

when (NimMajor, NimMinor) < (1, 4):
  {.push raises: [Defect].}
else:
  {.push raises: [].}

import
  json,
  std/sets,
  stew/byteutils,
  strformat,
  chronicles,
  json_serialization,
  json_serialization/std/options,
  presto/[route, client, common]
import
  ../../../waku_core,
  ../serdes,
  ../responses,
  ./types

export types

logScope:
  topics = "waku node rest client v2"

proc encodeBytes*(value: PushRequest,
                  contentType: string): RestResult[seq[byte]] =
  if MediaType.init(contentType) != MIMETYPE_JSON:
    error "Unsupported contentType value", contentType = contentType
    return err("Unsupported contentType")

  let encoded = ?encodeIntoJsonBytes(value)
  return ok(encoded)

proc decodeBytes*(t: typedesc[string], value: openarray[byte],
                  contentType: Opt[ContentTypeData]): RestResult[string] =
  if MediaType.init($contentType) != MIMETYPE_TEXT:
    error "Unsupported contentType value", contentType = contentType
    return err("Unsupported contentType")

  var res: string
  if len(value) > 0:
    res = newString(len(value))
    copyMem(addr res[0], unsafeAddr value[0], len(value))
  return ok(res)

proc sendPushRequest*(body: PushRequest):
        RestResponse[string]
        {.rest, endpoint: "/lightpush/v1/message", meth: HttpMethod.MethodPost.}