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extension World { | |
public final class Store: WorldStoreInterface { | |
private let client: ApolloClientInterface | |
public init(client: ApolloClientInterface) { | |
self.client = client | |
} | |
public func fetchCountry(code: String, | |
cachePolicy: CachePolicy = .fetchIgnoringCacheData, | |
completion: @escaping ((Result) -> Void)) { | |
let query = CountryQuery(code: code) | |
let queue = DispatchQueue.global(qos: .default) | |
let resultHandler: OperationResultHandler<CountryQuery> = { (result, error) in | |
guard error == nil else { | |
completion(.failure(.network)) | |
return | |
} | |
guard let country = result?.data?.country.flatMap(World.CountryDetail.init) else { | |
completion(.failure(.parsing)) | |
return | |
} | |
completion(.success(country)) | |
} | |
client.fetch(query: query, | |
cachePolicy: cachePolicy, | |
queue: queue, | |
resultHandler: resultHandler) | |
} | |
public func fetchAllCountries(cachePolicy: CachePolicy = .fetchIgnoringCacheData, | |
completion: @escaping ((Result<[CountryLite], World.StoreError>) -> Void)) { | |
let query = CountriesQuery() | |
let queue = DispatchQueue.global(qos: .default) | |
let resultHandler: OperationResultHandler<CountriesQuery> = { (result, error) in | |
guard error == nil else { | |
completion(.failure(.network)) | |
return | |
} | |
guard let countries = result?.data?.countries?.compactMap(CountryLite.init) else { | |
completion(.failure(.parsing)) | |
return | |
} | |
completion(.success(countries)) | |
} | |
client.fetch(query: query, | |
cachePolicy: cachePolicy, | |
queue: queue, | |
resultHandler: resultHandler) | |
} | |
} | |
} |
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