138 lines
4.0 KiB
Swift
138 lines
4.0 KiB
Swift
//
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// NewsBlurAPICaller.swift
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// Account
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//
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// Created by Anh-Quang Do on 3/9/20.
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// Copyright (c) 2020 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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import RSWeb
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enum NewsBlurError: LocalizedError {
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case general(message: String)
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var errorDescription: String? {
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switch self {
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case .general(let message):
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return message
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}
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}
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}
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final class NewsBlurAPICaller: NSObject {
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static let SessionIdCookie = "newsblur_sessionid"
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private let baseURL = URL(string: "https://www.newsblur.com/")!
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private var transport: Transport!
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var credentials: Credentials?
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weak var accountMetadata: AccountMetadata?
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init(transport: Transport!) {
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super.init()
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self.transport = transport
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}
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func validateCredentials(completion: @escaping (Result<Credentials?, Error>) -> Void) {
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let url = baseURL.appendingPathComponent("api/login")
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let request = URLRequest(url: url, credentials: credentials)
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transport.send(request: request, resultType: NewsBlurLoginResponse.self) { result in
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switch result {
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case .success(let response, let payload):
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guard let url = response.url, let headerFields = response.allHeaderFields as? [String: String], payload?.code != -1 else {
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let error = payload?.errors?.username ?? payload?.errors?.others
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if let message = error?.first {
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completion(.failure(NewsBlurError.general(message: message)))
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} else {
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completion(.failure(NewsBlurError.general(message: "Failed to log in")))
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}
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return
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}
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guard let username = self.credentials?.username else {
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completion(.failure(NewsBlurError.general(message: "Failed to log in")))
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return
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}
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let cookies = HTTPCookie.cookies(withResponseHeaderFields: headerFields, for: url)
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for cookie in cookies where cookie.name == Self.SessionIdCookie {
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let credentials = Credentials(type: .newsBlurSessionId, username: username, secret: cookie.value)
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completion(.success(credentials))
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return
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}
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completion(.failure(NewsBlurError.general(message: "Failed to retrieve session")))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func logout(completion: @escaping (Result<Void, Error>) -> Void) {
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let url = baseURL.appendingPathComponent("api/logout")
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let request = URLRequest(url: url, credentials: credentials)
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transport.send(request: request) { result in
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switch result {
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case .success:
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completion(.success(()))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func retrieveSubscriptions(completion: @escaping (Result<[NewsBlurSubscription], Error>) -> Void) {
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let url = baseURL
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.appendingPathComponent("reader/feeds")
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.appendingQueryItems([
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URLQueryItem(name: "flat", value: "true"),
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URLQueryItem(name: "update_counts", value: "false"),
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])
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guard let callURL = url else {
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completion(.failure(TransportError.noURL))
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return
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}
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let request = URLRequest(url: callURL, credentials: credentials)
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transport.send(request: request, resultType: NewsBlurFeedsResponse.self) { result in
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switch result {
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case .success((_, let payload)):
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completion(.success(payload?.subscriptions ?? []))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func retrieveUnreadArticleHashes(completion: @escaping (Result<[NewsBlurArticleHash], Error>) -> Void) {
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let url = baseURL
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.appendingPathComponent("reader/unread_story_hashes")
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.appendingQueryItems([
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URLQueryItem(name: "include_timestamps", value: "true"),
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])
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guard let callURL = url else {
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completion(.failure(TransportError.noURL))
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return
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}
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let request = URLRequest(url: callURL, credentials: credentials)
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transport.send(request: request, resultType: NewsBlurUnreadArticleHashesResponse.self, dateDecoding: .secondsSince1970) { result in
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switch result {
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case .success((_, let payload)):
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guard let subscriptions = payload?.subscriptions else {
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completion(.success([]))
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return
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}
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completion(.success(subscriptions.values.flatMap { $0 }))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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}
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