NetNewsWire/Frameworks/Account/Feedly/FeedlyAPICaller.swift

726 lines
24 KiB
Swift

//
// FeedlyAPICaller.swift
// Account
//
// Created by Kiel Gillard on 13/9/19.
// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
//
import Foundation
import RSWeb
final class FeedlyAPICaller {
enum API {
case sandbox
case cloud
var baseUrlComponents: URLComponents {
var components = URLComponents()
components.scheme = "https"
switch self{
case .sandbox:
// https://groups.google.com/forum/#!topic/feedly-cloud/WwQWMgDmOuw
components.host = "sandbox7.feedly.com"
case .cloud:
// https://developer.feedly.com/cloud/
components.host = "cloud.feedly.com"
}
return components
}
var oauthAuthorizationClient: OAuthAuthorizationClient {
switch self {
case .sandbox:
return .feedlySandboxClient
case .cloud:
return .feedlyCloudClient
}
}
}
private let transport: Transport
private let baseUrlComponents: URLComponents
init(transport: Transport, api: API) {
self.transport = transport
self.baseUrlComponents = api.baseUrlComponents
}
var credentials: Credentials?
var server: String? {
return baseUrlComponents.host
}
func cancelAll() {
transport.cancelAll()
}
func importOpml(_ opmlData: Data, completionHandler: @escaping (Result<Void, Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
var components = baseUrlComponents
components.path = "/v3/opml"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.addValue("text/xml", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
request.httpBody = opmlData
transport.send(request: request, resultType: String.self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (httpResponse, _)):
if httpResponse.statusCode == 200 {
completionHandler(.success(()))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
func createCollection(named label: String, completionHandler: @escaping (Result<FeedlyCollection, Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
var components = baseUrlComponents
components.path = "/v3/collections"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
do {
struct CreateCollectionBody: Encodable {
var label: String
}
let encoder = JSONEncoder()
let data = try encoder.encode(CreateCollectionBody(label: label))
request.httpBody = data
} catch {
return DispatchQueue.main.async {
completionHandler(.failure(error))
}
}
transport.send(request: request, resultType: [FeedlyCollection].self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (httpResponse, collections)):
if httpResponse.statusCode == 200, let collection = collections?.first {
completionHandler(.success(collection))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
func renameCollection(with id: String, to name: String, completionHandler: @escaping (Result<FeedlyCollection, Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
var components = baseUrlComponents
components.path = "/v3/collections"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
do {
struct RenameCollectionBody: Encodable {
var id: String
var label: String
}
let encoder = JSONEncoder()
let data = try encoder.encode(RenameCollectionBody(id: id, label: name))
request.httpBody = data
} catch {
return DispatchQueue.main.async {
completionHandler(.failure(error))
}
}
transport.send(request: request, resultType: [FeedlyCollection].self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (httpResponse, collections)):
if httpResponse.statusCode == 200, let collection = collections?.first {
completionHandler(.success(collection))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
private func encodeForURLPath(_ pathComponent: String) -> String? {
return pathComponent.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed)
}
func deleteCollection(with id: String, completionHandler: @escaping (Result<Void, Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
guard let encodedId = encodeForURLPath(id) else {
return DispatchQueue.main.async {
completionHandler(.failure(FeedlyAccountDelegateError.unexpectedResourceId(id)))
}
}
var components = baseUrlComponents
components.percentEncodedPath = "/v3/collections/\(encodedId)"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "DELETE"
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
transport.send(request: request, resultType: String.self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (httpResponse, _)):
if httpResponse.statusCode == 200 {
completionHandler(.success(()))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
func addFeed(with feedId: FeedlyFeedResourceId, title: String? = nil, toCollectionWith collectionId: String, completionHandler: @escaping (Result<[FeedlyFeed], Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
guard let encodedId = encodeForURLPath(collectionId) else {
return DispatchQueue.main.async {
completionHandler(.failure(FeedlyAccountDelegateError.unexpectedResourceId(collectionId)))
}
}
var components = baseUrlComponents
components.percentEncodedPath = "/v3/collections/\(encodedId)/feeds"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "PUT"
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
do {
struct AddFeedBody: Encodable {
var id: String
var title: String?
}
let encoder = JSONEncoder()
let data = try encoder.encode(AddFeedBody(id: feedId.id, title: title))
request.httpBody = data
} catch {
return DispatchQueue.main.async {
completionHandler(.failure(error))
}
}
transport.send(request: request, resultType: [FeedlyFeed].self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(_, let collectionFeeds):
if let feeds = collectionFeeds {
completionHandler(.success(feeds))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
func removeFeed(_ feedId: String, fromCollectionWith collectionId: String, completionHandler: @escaping (Result<Void, Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
guard let encodedCollectionId = encodeForURLPath(collectionId) else {
return DispatchQueue.main.async {
completionHandler(.failure(FeedlyAccountDelegateError.unexpectedResourceId(collectionId)))
}
}
guard let encodedFeedId = encodeForURLPath(feedId) else {
return DispatchQueue.main.async {
completionHandler(.failure(FeedlyAccountDelegateError.unexpectedResourceId(feedId)))
}
}
var components = baseUrlComponents
components.percentEncodedPath = "/v3/collections/\(encodedCollectionId)/feeds/\(encodedFeedId)"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "DELETE"
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
transport.send(request: request, resultType: [FeedlyFeed].self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let httpResponse, _):
if httpResponse.statusCode == 200 {
completionHandler(.success(()))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
}
extension FeedlyAPICaller: OAuthAuthorizationCodeGrantRequesting {
static func authorizationCodeUrlRequest(for request: OAuthAuthorizationRequest, baseUrlComponents: URLComponents) -> URLRequest {
var components = baseUrlComponents
components.path = "/v3/auth/auth"
components.queryItems = request.queryItems
guard let url = components.url else {
assert(components.scheme != nil)
assert(components.host != nil)
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
return request
}
typealias AccessTokenResponse = FeedlyOAuthAccessTokenResponse
func requestAccessToken(_ authorizationRequest: OAuthAccessTokenRequest, completionHandler: @escaping (Result<FeedlyOAuthAccessTokenResponse, Error>) -> ()) {
var components = baseUrlComponents
components.path = "/v3/auth/token"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
do {
let encoder = JSONEncoder()
encoder.keyEncodingStrategy = .convertToSnakeCase
request.httpBody = try encoder.encode(authorizationRequest)
} catch {
DispatchQueue.main.async {
completionHandler(.failure(error))
}
return
}
transport.send(request: request, resultType: AccessTokenResponse.self, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (_, tokenResponse)):
if let response = tokenResponse {
completionHandler(.success(response))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
}
extension FeedlyAPICaller: OAuthAcessTokenRefreshRequesting {
func refreshAccessToken(_ refreshRequest: OAuthRefreshAccessTokenRequest, completionHandler: @escaping (Result<FeedlyOAuthAccessTokenResponse, Error>) -> ()) {
var components = baseUrlComponents
components.path = "/v3/auth/token"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
do {
let encoder = JSONEncoder()
encoder.keyEncodingStrategy = .convertToSnakeCase
request.httpBody = try encoder.encode(refreshRequest)
} catch {
DispatchQueue.main.async {
completionHandler(.failure(error))
}
return
}
transport.send(request: request, resultType: AccessTokenResponse.self, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (_, tokenResponse)):
if let response = tokenResponse {
completionHandler(.success(response))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
}
extension FeedlyAPICaller: FeedlyGetCollectionsService {
func getCollections(completionHandler: @escaping (Result<[FeedlyCollection], Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
var components = baseUrlComponents
components.path = "/v3/collections"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
transport.send(request: request, resultType: [FeedlyCollection].self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (_, collections)):
if let response = collections {
completionHandler(.success(response))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
}
extension FeedlyAPICaller: FeedlyGetStreamContentsService {
func getStreamContents(for resource: FeedlyResourceId, continuation: String? = nil, newerThan: Date?, unreadOnly: Bool?, completionHandler: @escaping (Result<FeedlyStream, Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
var components = baseUrlComponents
components.path = "/v3/streams/contents"
var queryItems = [URLQueryItem]()
if let date = newerThan {
let value = String(Int(date.timeIntervalSince1970 * 1000))
let queryItem = URLQueryItem(name: "newerThan", value: value)
queryItems.append(queryItem)
}
if let flag = unreadOnly {
let value = flag ? "true" : "false"
let queryItem = URLQueryItem(name: "unreadOnly", value: value)
queryItems.append(queryItem)
}
if let value = continuation, !value.isEmpty {
let queryItem = URLQueryItem(name: "continuation", value: value)
queryItems.append(queryItem)
}
queryItems.append(contentsOf: [
URLQueryItem(name: "count", value: "1000"),
URLQueryItem(name: "streamId", value: resource.id),
])
components.queryItems = queryItems
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
transport.send(request: request, resultType: FeedlyStream.self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (_, collections)):
if let response = collections {
completionHandler(.success(response))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
}
extension FeedlyAPICaller: FeedlyGetStreamIdsService {
func getStreamIds(for resource: FeedlyResourceId, continuation: String? = nil, newerThan: Date?, unreadOnly: Bool?, completionHandler: @escaping (Result<FeedlyStreamIds, Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
var components = baseUrlComponents
components.path = "/v3/streams/ids"
var queryItems = [URLQueryItem]()
if let date = newerThan {
let value = String(Int(date.timeIntervalSince1970 * 1000))
let queryItem = URLQueryItem(name: "newerThan", value: value)
queryItems.append(queryItem)
}
if let flag = unreadOnly {
let value = flag ? "true" : "false"
let queryItem = URLQueryItem(name: "unreadOnly", value: value)
queryItems.append(queryItem)
}
if let value = continuation, !value.isEmpty {
let queryItem = URLQueryItem(name: "continuation", value: value)
queryItems.append(queryItem)
}
queryItems.append(contentsOf: [
URLQueryItem(name: "count", value: "1000"),
URLQueryItem(name: "streamId", value: resource.id),
])
components.queryItems = queryItems
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
transport.send(request: request, resultType: FeedlyStreamIds.self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (_, collections)):
if let response = collections {
completionHandler(.success(response))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
}
extension FeedlyAPICaller: FeedlyGetEntriesService {
func getEntries(for ids: Set<String>, completionHandler: @escaping (Result<[FeedlyEntry], Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
var components = baseUrlComponents
components.path = "/v3/entries/.mget"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
do {
let body = Array(ids)
let encoder = JSONEncoder()
let data = try encoder.encode(body)
request.httpBody = data
} catch {
return DispatchQueue.main.async {
completionHandler(.failure(error))
}
}
request.httpMethod = "POST"
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
transport.send(request: request, resultType: [FeedlyEntry].self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (_, entries)):
if let response = entries {
completionHandler(.success(response))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
}
extension FeedlyAPICaller: FeedlyMarkArticlesService {
private struct MarkerEntriesBody: Encodable {
let type = "entries"
var action: String
var entryIds: [String]
}
func mark(_ articleIds: Set<String>, as action: FeedlyMarkAction, completionHandler: @escaping (Result<Void, Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
var components = baseUrlComponents
components.path = "/v3/markers"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
do {
let body = MarkerEntriesBody(action: action.actionValue, entryIds: Array(articleIds))
let encoder = JSONEncoder()
let data = try encoder.encode(body)
request.httpBody = data
} catch {
return DispatchQueue.main.async {
completionHandler(.failure(error))
}
}
transport.send(request: request, resultType: String.self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (httpResponse, _)):
if httpResponse.statusCode == 200 {
completionHandler(.success(()))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
}
extension FeedlyAPICaller: FeedlyLogoutService {
func logout(completionHandler: @escaping (Result<Void, Error>) -> ()) {
guard let accessToken = credentials?.secret else {
return DispatchQueue.main.async {
completionHandler(.failure(CredentialsError.incompleteCredentials))
}
}
var components = baseUrlComponents
components.path = "/v3/auth/logout"
guard let url = components.url else {
fatalError("\(components) does not produce a valid URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.addValue("application/json", forHTTPHeaderField: HTTPRequestHeader.contentType)
request.addValue("application/json", forHTTPHeaderField: "Accept-Type")
request.addValue("OAuth \(accessToken)", forHTTPHeaderField: HTTPRequestHeader.authorization)
transport.send(request: request, resultType: String.self, dateDecoding: .millisecondsSince1970, keyDecoding: .convertFromSnakeCase) { result in
switch result {
case .success(let (httpResponse, _)):
if httpResponse.statusCode == 200 {
completionHandler(.success(()))
} else {
completionHandler(.failure(URLError(.cannotDecodeContentData)))
}
case .failure(let error):
completionHandler(.failure(error))
}
}
}
}