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Extract some code into methods in the RSS-in-JSON parser.

This commit is contained in:
Brent Simmons 2017-06-25 10:37:02 -07:00
parent 8589c21091
commit aaa83e07aa
1 changed files with 46 additions and 34 deletions
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80
Frameworks/RSParser/Feeds/JSON/RSSInJSONParser.swift
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@ -50,7 +50,6 @@ public struct RSSInJSONParser {
}
catch { throw error }
}
}
private extension RSSInJSONParser {
@ -83,39 +82,9 @@ private extension RSSInJSONParser {
datePublished = RSDateWithString(datePublishedString as NSString)
}
let authorEmailAddress = itemDictionary["author"] as? String
var authors: [ParsedAuthor] = nil
if authorEmailAddress != nil {
let parsedAuthor = ParsedAuthor(name: nil, url: nil, avatarURL: nil, emailAddress: authorEmailAddress)
authors = [parsedAuthor]
}
var tags: [String]? = nil
if let categoryObject = itemDictionary["category"] as? JSONDictionary {
if let oneTag = categoryObject["#value"] {
tags = [oneTag]
}
}
else if let categoryArray = itemDictionary["category"] as? JSONArray {
tags = categoryArray.flatMap{ (oneCategoryDictionary) in
return oneCategoryDictionary["#value"]
}
}
var attachments: [ParsedAttachment]? = nil
if let enclosureObject = itemDictionary["enclosure"] as? JSONDictionary {
if let attachmentURL = enclosureObject["url"] as? String {
var attachmentSize = enclosureObject["length"] as? Int
if attachmentSize == nil {
if let attachmentSizeString = enclosureObject["length"] as? String {
attachmentSize = (attachmentSizeString as NSString).integerValue
}
}
let type = enclosureObject["type"] as? String
let oneAttachment = ParsedAttachment(url: attachmentURL, mimeType: type, title: nil, sizeInBytes: attachmentSize, durationInSeconds: nil)
attachments = [oneAttachment]
}
}
let authors = parseAuthors(itemDictionary)
let tags = parseTags(itemDictionary)
let attachments = parseAttachments(itemDictionary)
var uniqueID: String? = itemDictionary["guid"] as? String
if uniqueID == nil {
@ -155,4 +124,47 @@ private extension RSSInJSONParser {
return ParsedItem(uniqueID: uniqueID, url: nil, externalURL: externalURL, title: title, contentHTML: contentHTML, contentText: contentText, summary: nil, imageURL: nil, bannerImageURL: nil, datePublished: datePublished, dateModified: nil, authors: authors, tags: tags, attachments: attachments)
}
static func parseAuthors(_ itemDictionary: JSONDictionary) -> [ParsedAuthor]? {
guard let authorEmailAddress = itemDictionary["author"] as? String else {
return nil
}
let parsedAuthor = ParsedAuthor(name: nil, url: nil, avatarURL: nil, emailAddress: authorEmailAddress)
return [parsedAuthor]
}
static func parseTags(_ itemDictionary: JSONDictionary) -> [String]? {
if let categoryObject = itemDictionary["category"] as? JSONDictionary {
return categoryObject["#value"]
}
else if let categoryArray = itemDictionary["category"] as? JSONArray {
return categoryArray.flatMap{ (categoryObject) in
return categoryObject["#value"]
}
}
return nil
}
static func parseAttachments(_ itemDictionary: JSONDictionary) -> [ParsedAttachment]? {
guard let enclosureObject = itemDictionary["enclosure"] as? JSONDictionary else {
return nil
}
guard let attachmentURL = enclosureObject["url"] as? String else {
return nil
}
var attachmentSize = enclosureObject["length"] as? Int
if attachmentSize == nil {
if let attachmentSizeString = enclosureObject["length"] as? String {
attachmentSize = (attachmentSizeString as NSString).integerValue
}
}
let type = enclosureObject["type"] as? String
let oneAttachment = ParsedAttachment(url: attachmentURL, mimeType: type, title: nil, sizeInBytes: attachmentSize, durationInSeconds: nil)
return [oneAttachment]
}
}