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import Foundation
/// Errors produced by the Sourcehut GraphQL client.
enum SRHTError: LocalizedError, Sendable {
/// The server returned one or more GraphQL-level errors.
case graphQLErrors([GraphQLError])
/// The HTTP response had a non-2xx status code.
case httpError(Int)
/// The client refused to send credentials to an unexpected URL.
case invalidAuthenticatedURL(URL)
/// The response data could not be decoded.
case decodingError(any Error)
/// A networking error from URLSession (timeout, DNS, connectivity, etc.).
case networkError(any Error)
/// 401 or no authentication token configured.
case unauthorized
var errorDescription: String? {
switch self {
case .graphQLErrors(let errors):
let messages = errors.map(\.message).joined(separator: "\n")
return "GraphQL error: \(messages)"
case .httpError(let code):
return "Server returned HTTP \(code)."
case .invalidAuthenticatedURL(let url):
return "Refused to authenticate request to unexpected URL: \(url.absoluteString)"
case .decodingError(let error):
return "Failed to decode response: \(error.localizedDescription)"
case .networkError(let error):
return "Network error: \(error.localizedDescription)"
case .unauthorized:
return "Authentication required. Please sign in again."
}
}
/// Whether this error represents a connectivity issue (no internet, timeout, DNS).
var isConnectivityError: Bool {
switch self {
case .networkError(let error):
let nsError = error as NSError
let connectivityCodes: Set<Int> = [
NSURLErrorNotConnectedToInternet,
NSURLErrorNetworkConnectionLost,
NSURLErrorTimedOut,
NSURLErrorCannotFindHost,
NSURLErrorCannotConnectToHost,
NSURLErrorDNSLookupFailed,
NSURLErrorInternationalRoamingOff,
NSURLErrorDataNotAllowed
]
return connectivityCodes.contains(nsError.code)
default:
return false
}
}
}
/// A single error entry from the GraphQL `errors` array.
struct GraphQLError: Decodable, Sendable {
let message: String
let locations: [GraphQLErrorLocation]?
}
struct GraphQLErrorLocation: Decodable, Sendable {
let line: Int
let column: Int
}
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