Add rendering as HTML

Frameworks/Account/FeedProvider/Twitter/TwitterStatus.swift

@@ -53,7 +53,40 @@ final class TwitterStatus: Codable {
 	}
 	
 	func renderAsHTML() -> String? {
-		return nil
+		if let retweetedStatus = retweetedStatus {
+			return renderAsRetweetHTML(retweetedStatus)
+		}
+		if let quotedStatus = quotedStatus {
+			return renderAsQuoteHTML(quotedStatus)
+		}
+		return renderAsTweetHTML(self)
+	}
+	
+	func renderAsTweetHTML(_ status: TwitterStatus) -> String? {
+		return status.displayText
+	}
+	
+	func renderAsRetweetHTML(_ status: TwitterStatus) -> String {
+		var html = String()
+		html += "<blockquote>"
+		if let userHTML = status.user?.renderHTML() {
+			html += userHTML
+		}
+		html += renderAsTweetHTML(status) ?? ""
+		html += "</blockquote>"
+		return html
+	}
+	
+	func renderAsQuoteHTML(_ quotedStatus: TwitterStatus) -> String {
+		var html = String()
+		html += renderAsTweetHTML(self) ?? ""
+		html += "<blockquote>"
+		if let userHTML = quotedStatus.user?.renderHTML() {
+			html += userHTML
+		}
+		html += renderAsTweetHTML(quotedStatus) ?? ""
+		html += "</blockquote>"
+		return html
 	}
 	
 }

Frameworks/Account/FeedProvider/Twitter/TwitterUser.swift

@@ -24,4 +24,21 @@ struct TwitterUser: Codable {
 		return "https://twitter.com/\(screenName ?? "")"
 	}
 	
+	func renderHTML() -> String? {
+		var html = String()
+		html += "<div><a href=\"\(url)\">"
+		if let avatarURL = avatarURL {
+			html += "<img class=\"twitterAvatar\" src=\"\(avatarURL)\">"
+		}
+		html += "<span class=\"twitterUsername\">"
+		if let name = name {
+			html += " \(name)"
+		}
+		if let screenName = screenName {
+			html += " @\(screenName)"
+		}
+		html += "</span></a></div>"
+		return html
+	}
+	
 }