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61 lines
2.2 KiB
Swift
61 lines
2.2 KiB
Swift
//
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// RSParsedFeedTransformer.swift
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// RSParser
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//
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// Created by Brent Simmons on 6/25/17.
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// Copyright © 2017 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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// RSRSSParser and RSAtomParser were written in Objective-C quite a while ago.
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// They create an RSParsedFeed object and related Objective-C objects.
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// These functions take an RSParsedFeed and return a Swift-y ParsedFeed,
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// which is part of providing a single API for feed parsing.
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struct RSParsedFeedTransformer {
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static func parsedFeed(_ rsParsedFeed: RSParsedFeed) -> ParsedFeed {
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let items = parsedItems(rsParsedFeed.articles)
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return ParsedFeed(type: .rss, title: rsParsedFeed.title, homePageURL: rsParsedFeed.link, feedURL: rsParsedFeed.urlString, feedDescription: nil, nextURL: nil, iconURL: nil, faviconURL: nil, authors: nil, expired: false, hubs: nil, items: items)
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}
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}
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private extension RSParsedFeedTransformer {
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static func parsedItems(_ parsedArticles: Set<RSParsedArticle>) -> [ParsedItem] {
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// Create [ParsedItem] from set of RSParsedArticle.
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var items = [ParsedItem]()
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for oneParsedArticle in parsedArticles {
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items += [parsedItem(oneParsedArticle)]
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}
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return items
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}
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static func parsedItem(_ parsedArticle: RSParsedArticle) -> ParsedItem {
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let uniqueID = parsedArticle.articleID
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let url = parsedArticle.permalink
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let externalURL = parsedArticle.link
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let title = parsedArticle.title
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let contentHTML = parsedArticle.body
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let datePublished = parsedArticle.datePublished
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let dateModified = parsedArticle.dateModified
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let authors = parsedAuthors(parsedArticle.author)
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return ParsedItem(uniqueID: uniqueID, feedURL: parsedArticle.feedURL, url: url, externalURL: externalURL, title: title, contentHTML: contentHTML, contentText: nil, summary: nil, imageURL: nil, bannerImageURL: nil, datePublished: datePublished, dateModified: dateModified, authors: authors, tags: nil, attachments: nil)
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}
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static func parsedAuthors(_ authorEmailAddress: String?) -> [ParsedAuthor]? {
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guard let authorEmailAddress = authorEmailAddress else {
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return nil
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}
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let author = ParsedAuthor(name: nil, url: nil, avatarURL: nil, emailAddress: authorEmailAddress)
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return [author]
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}
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}
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