48 lines
1.5 KiB
Swift
48 lines
1.5 KiB
Swift
import CoreData
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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 fetchContent(itemID: String) async throws {
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enum MutationResult {
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case result(success: Bool)
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case error(errorMessage: String)
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}
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let selection = Selection<MutationResult, Unions.FetchContentResult> {
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try $0.on(
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fetchContentError: .init { .error(errorMessage: try $0.errorCodes().first?.rawValue ?? "Unknown Error") },
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fetchContentSuccess: .init { .result(success: try $0.success()) }
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)
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}
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let mutation = Selection.Mutation {
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try $0.fetchContent(id: itemID, selection: selection)
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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 try await withCheckedThrowingContinuation { continuation in
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send(mutation, to: path, headers: headers) { queryResult in
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guard let payload = try? queryResult.get() else {
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continuation.resume(throwing: BasicError.message(messageText: "network error"))
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return
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}
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switch payload.data {
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case let .result(success: success):
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if success {
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continuation.resume()
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} else {
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continuation.resume(throwing: BasicError.message(messageText: "Operation failed"))
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}
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case let .error(errorMessage: errorMessage):
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continuation.resume(throwing: BasicError.message(messageText: errorMessage))
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}
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}
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}
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}
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}
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