Remove spaces from folder names.

Shared/ArticleExtractor/ArticleExtractor.swift

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+//
+//  ArticleExtractor.swift
+//  NetNewsWire
+//
+//  Created by Maurice Parker on 9/18/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import Foundation
+import Account
+import Secrets
+
+public enum ArticleExtractorState {
+    case ready
+    case processing
+    case failedToParse
+    case complete
+	case cancelled
+}
+
+protocol ArticleExtractorDelegate {
+    func articleExtractionDidFail(with: Error)
+    func articleExtractionDidComplete(extractedArticle: ExtractedArticle)
+}
+
+class ArticleExtractor {
+	
+	private var dataTask: URLSessionDataTask? = nil
+    
+    var state: ArticleExtractorState!
+    var article: ExtractedArticle?
+    var delegate: ArticleExtractorDelegate?
+	var articleLink: String?
+	
+    private var url: URL!
+    
+    public init?(_ articleLink: String) {
+		self.articleLink = articleLink
+		
+		let clientURL = "https://extract.feedbin.com/parser"
+		let username = SecretKey.mercuryClientID
+		let signature = articleLink.hmacUsingSHA1(key: SecretKey.mercuryClientSecret)
+		
+		if let base64URL = articleLink.data(using: .utf8)?.base64EncodedString() {
+			let fullURL = "\(clientURL)/\(username)/\(signature)?base64_url=\(base64URL)"
+			if let url = URL(string: fullURL) {
+				self.url = url
+				return
+			}
+		}
+		
+		return nil
+    }
+    
+    public func process() {
+        
+        state = .processing
+
+        dataTask = URLSession.shared.dataTask(with: url) { [weak self] data, response, error in
+            
+            guard let self = self else { return }
+            
+            if let error = error {
+                self.state = .failedToParse
+                DispatchQueue.main.async {
+                    self.delegate?.articleExtractionDidFail(with: error)
+                }
+                return
+            }
+            
+            guard let data = data else {
+                self.state = .failedToParse
+                DispatchQueue.main.async {
+					self.delegate?.articleExtractionDidFail(with: URLError(.cannotDecodeContentData))
+                }
+                return
+            }
+ 
+            do {
+				let decoder = JSONDecoder()
+				decoder.dateDecodingStrategy = .iso8601
+				self.article = try decoder.decode(ExtractedArticle.self, from: data)
+				
+                DispatchQueue.main.async {
+					if self.article?.content == nil {
+						self.state = .failedToParse
+						self.delegate?.articleExtractionDidFail(with: URLError(.cannotDecodeContentData))
+					} else {
+						self.state = .complete
+						self.delegate?.articleExtractionDidComplete(extractedArticle: self.article!)
+					}
+                }
+            } catch {
+                self.state = .failedToParse
+                DispatchQueue.main.async {
+                    self.delegate?.articleExtractionDidFail(with: error)
+                }
+            }
+            
+        }
+        
+        dataTask!.resume()
+		
+    }
+	
+	public func cancel() {
+		state = .cancelled
+		dataTask?.cancel()
+	}
+    
+}

Shared/ArticleExtractor/ExtractedArticle.swift

@@ -0,0 +1,45 @@
+//
+//  ExtractedArticle.swift
+//  NetNewsWire
+//
+//  Created by Maurice Parker on 9/18/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import Foundation
+
+struct ExtractedArticle: Codable, Equatable {
+
+	let title: String?
+	let author: String?
+	let datePublished: String?
+	let dek: String?
+	let leadImageURL: String?
+	let content: String?
+	let nextPageURL: String?
+	let url: String?
+	let domain: String?
+	let excerpt: String?
+	let wordCount: Int?
+	let direction: String?
+	let totalPages: Int?
+	let renderedPages: Int?
+	
+	enum CodingKeys: String, CodingKey {
+		case title = "title"
+		case author = "author"
+		case datePublished = "date_published"
+		case dek = "dek"
+		case leadImageURL = "lead_image_url"
+		case content = "content"
+		case nextPageURL = "next_page_url"
+		case url = "url"
+		case domain = "domain"
+		case excerpt = "excerpt"
+		case wordCount = "word_count"
+		case direction = "direction"
+		case totalPages = "total_pages"
+		case renderedPages = "rendered_pages"
+	}
+	
+}