68 lines
1.8 KiB
Nim
68 lines
1.8 KiB
Nim
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#
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# REST API framework implementation
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# (c) Copyright 2021-Present
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# Status Research & Development GmbH
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#
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# Licensed under either of
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# Apache License, version 2.0, (LICENSE-APACHEv2)
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# MIT license (LICENSE-MIT)
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import chronos/apps
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import stew/[results, byteutils]
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export results, apps
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{.push raises: [Defect].}
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type
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ContentBody* = object
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contentType*: string
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data*: seq[byte]
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RestResult*[T] = Result[T, cstring]
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RestApiError* = object
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status*: HttpCode
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code*: int
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message*: string
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stacktrace*: string
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RestApiResponse* = Result[ContentBody, RestApiError]
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ByteChar* = string | seq[byte]
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proc error*(t: typedesc[RestApiResponse], code: int,
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msg: string = "", status: HttpCode = Http200,
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strace: string = ""): RestApiResponse =
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err(RestApiError(status: status, code: code, message: msg,
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stacktrace: strace))
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proc response*(t: typedesc[RestApiResponse], data: ByteChar,
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contentType = "text/text"): RestApiResponse =
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when data is seq[byte]:
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ok(ContentBody(contentType: contentType, data: data))
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else:
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var default: seq[byte]
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if len(data) > 0:
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ok(ContentBody(contentType: contentType, data: toBytes(data)))
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else:
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ok(ContentBody(contentType: contentType, data: default))
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proc isEmpty*(error: RestApiError): bool =
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error == RestApiError()
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proc getMessage*(error: RestApiError, contentType = "text/text"): string =
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case contentType
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of "text/text":
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let msg =
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if len(error.message) > 0:
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"Message: " & error.message & "\r\n"
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else:
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""
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let strace =
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if len(error.stacktrace) > 0:
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"Stacktrace: " & error.stacktrace & "\r\n"
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else:
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""
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"REST API Error\r\n\r\n" & "Code: " & $error.code & "\r\n" & msg & strace
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else:
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""
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