58 lines
1.7 KiB
Swift
58 lines
1.7 KiB
Swift
import Combine
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import Foundation
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import Models
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import SwiftGraphQL
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public extension DataService {
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func updateArticleLabelsPublisher(itemID: String, labelIDs: [String]) -> AnyPublisher<[FeedItemLabel], BasicError> {
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enum MutationResult {
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case saved(feedItem: [FeedItemLabel])
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case error(errorCode: Enums.SetLabelsErrorCode)
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}
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let selection = Selection<MutationResult, Unions.SetLabelsResult> {
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try $0.on(
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setLabelsSuccess: .init { .saved(feedItem: try $0.labels(selection: feedItemLabelSelection.list)) },
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setLabelsError: .init { .error(errorCode: try $0.errorCodes().first ?? .badRequest) }
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)
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}
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let mutation = Selection.Mutation {
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try $0.setLabels(
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input: InputObjects.SetLabelsInput(
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pageId: itemID,
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labelIds: labelIDs
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),
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selection: selection
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)
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}
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let path = appEnvironment.graphqlPath
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let headers = networker.defaultHeaders
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return Deferred {
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Future { promise in
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send(mutation, to: path, headers: headers) { result in
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switch result {
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case let .success(payload):
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if let graphqlError = payload.errors {
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promise(.failure(.message(messageText: graphqlError.first.debugDescription)))
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}
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switch payload.data {
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case let .saved(labels):
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promise(.success(labels))
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case .error:
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promise(.failure(.message(messageText: "failed to set labels")))
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}
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case .failure:
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promise(.failure(.message(messageText: "failed to set labels")))
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}
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}
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}
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}
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.receive(on: DispatchQueue.main)
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.eraseToAnyPublisher()
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}
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}
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