75 lines
2.1 KiB
Swift
75 lines
2.1 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 createHighlightPublisher(
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shortId: String,
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highlightID: String,
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quote: String,
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patch: String,
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articleId: String,
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annotation: String? = nil
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) -> AnyPublisher<[String: Any]?, BasicError> {
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enum MutationResult {
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case saved(highlight: InternalHighlight)
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case error(errorCode: Enums.CreateHighlightErrorCode)
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}
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let selection = Selection<MutationResult, Unions.CreateHighlightResult> {
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try $0.on(
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createHighlightSuccess: .init {
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.saved(highlight: try $0.highlight(selection: highlightSelection))
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},
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createHighlightError: .init { .error(errorCode: try $0.errorCodes().first ?? .badData) }
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)
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}
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let mutation = Selection.Mutation {
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try $0.createHighlight(
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input: InputObjects.CreateHighlightInput(
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id: highlightID,
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shortId: shortId,
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articleId: articleId,
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patch: patch,
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quote: quote,
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annotation: OptionalArgument(annotation)
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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: "graphql error: \(graphqlError)")))
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}
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switch payload.data {
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case let .saved(highlight: highlight):
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_ = highlight.persist(
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context: self.backgroundContext,
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associatedItemID: articleId
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)
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promise(.success(highlight.encoded()))
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case let .error(errorCode: errorCode):
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promise(.failure(.message(messageText: errorCode.rawValue)))
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}
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case .failure:
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promise(.failure(.message(messageText: "graphql error")))
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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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