deep-linking-sample/Apps/Wikipedia/WMF Framework/WMFArticle+Extensions.swift

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import Foundation
extension WMFArticle {
@objc public var capitalizedWikidataDescriptionOrSnippet: String? {
guard let wikidataDescription = capitalizedWikidataDescription, !wikidataDescription.isEmpty else {
return snippet
}
return wikidataDescription
}
public var hasChangedValuesForCurrentEventThatAffectPreviews: Bool {
let previewKeys: Set<String> = ["wikidataDescription", "snippet", "imageURLString"]
return hasChangedValuesForCurrentEventForKeys(previewKeys)
}
@objc public var hasChangedValuesForCurrentEventThatAffectSavedArticlesFetch: Bool {
let previewKeys: Set<String> = ["savedDate", "isDownloaded"]
return hasChangedValuesForCurrentEventForKeys(previewKeys)
}
@objc public var hasChangedValuesForCurrentEventThatAffectSavedState: Bool {
let previewKeys: Set<String> = ["savedDate"]
return hasChangedValuesForCurrentEventForKeys(previewKeys)
}
public var hasChangedValuesForCurrentEventThatAffectSavedArticlePreviews: Bool {
let previewKeys: Set<String> = ["wikidataDescription", "snippet", "imageURLString", "isDownloaded", "readingLists", "errorCodeNumber"]
return hasChangedValuesForCurrentEventForKeys(previewKeys)
}
public var namespace: PageNamespace? {
return url?.namespace
}
public var namespaceAndTitle: (namespace: PageNamespace, title: String)? {
return url?.namespaceAndTitle
}
@objc public var namespaceNumber: NSNumber? {
guard let namespace = namespace else {
return nil
}
return NSNumber(integerLiteral: namespace.rawValue)
}
public var isSaved: Bool {
get {
return savedDate != nil
}
set {
savedDate = newValue ? Date() : nil
}
}
@objc public func feedArticlePreview() -> WMFFeedArticlePreview? {
var dictionary: [AnyHashable: Any] = [
"displayTitle": displayTitle as Any,
"displayTitleHTML": displayTitleHTML,
"thumbnailURL": thumbnailURL as Any,
"imageURLString": imageURLString as Any,
"wikidataDescription": wikidataDescription as Any,
"snippet": snippet as Any,
"imageWidth": imageWidth as Any,
"imageHeight": imageHeight as Any
]
if let articleURLString = key?.decomposedStringWithCanonicalMapping {
dictionary["articleURL"] = URL(string: articleURLString)
}
return try? WMFFeedArticlePreview(dictionary: dictionary)
}
}