import Foundation
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import Alamofire
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/// Represents "multipart/form-data" for an upload.
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public struct MultipartFormData {
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/// Method to provide the form data.
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public enum FormDataProvider {
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case data(Foundation.Data)
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case file(URL)
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case stream(InputStream, UInt64)
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}
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public init(provider: FormDataProvider, name: String, fileName: String? = nil, mimeType: String? = nil) {
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self.provider = provider
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self.name = name
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self.fileName = fileName
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self.mimeType = mimeType
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}
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/// The method being used for providing form data.
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public let provider: FormDataProvider
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/// The name.
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public let name: String
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/// The file name.
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public let fileName: String?
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/// The MIME type
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public let mimeType: String?
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}
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// MARK: RequestMultipartFormData appending
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internal extension RequestMultipartFormData {
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func append(data: Data, bodyPart: MultipartFormData) {
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append(data, withName: bodyPart.name, fileName: bodyPart.fileName, mimeType: bodyPart.mimeType)
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}
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func append(fileURL url: URL, bodyPart: MultipartFormData) {
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if let fileName = bodyPart.fileName, let mimeType = bodyPart.mimeType {
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append(url, withName: bodyPart.name, fileName: fileName, mimeType: mimeType)
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} else {
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append(url, withName: bodyPart.name)
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}
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}
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func append(stream: InputStream, length: UInt64, bodyPart: MultipartFormData) {
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append(stream, withLength: length, name: bodyPart.name, fileName: bodyPart.fileName ?? "", mimeType: bodyPart.mimeType ?? "")
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}
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func applyMoyaMultipartFormData(_ multipartBody: [Moya.MultipartFormData]) {
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for bodyPart in multipartBody {
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switch bodyPart.provider {
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case .data(let data):
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append(data: data, bodyPart: bodyPart)
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case .file(let url):
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append(fileURL: url, bodyPart: bodyPart)
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case .stream(let stream, let length):
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append(stream: stream, length: length, bodyPart: bodyPart)
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}
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}
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}
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}
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