mirror of https://github.com/oxen-io/session-ios
Implement link preview
parent
9dc942772c
commit
39a1a4b3ab
@ -1,15 +1,46 @@
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import SessionUtilities
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public extension VisibleMessage {
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@objc(SNLinkPreview)
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class LinkPreview : NSObject, NSCoding {
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public var title: String?
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public var url: String?
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internal init(title: String, url: String) {
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self.title = title
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self.url = url
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}
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public required init?(coder: NSCoder) {
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fatalError("Not implemented.")
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if let title = coder.decodeObject(forKey: "title") as! String? { self.title = title }
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if let url = coder.decodeObject(forKey: "url") as! String? { self.url = url }
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}
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public func encode(with coder: NSCoder) {
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fatalError("Not implemented.")
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coder.encode(title, forKey: "title")
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coder.encode(url, forKey: "url")
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}
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public static func fromProto(_ proto: SNProtoDataMessagePreview) -> LinkPreview? {
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guard let title = proto.title else { return nil }
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let url = proto.url
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return LinkPreview(title: title, url: url)
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}
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public func toProto() -> SNProtoDataMessagePreview? {
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guard let title = title, let url = url else {
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SNLog("Couldn't construct link preview proto from: \(self).")
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return nil
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}
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let linkPreviewProto = SNProtoDataMessagePreview.builder(url: url)
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linkPreviewProto.setTitle(title)
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do {
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return try linkPreviewProto.build()
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} catch {
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SNLog("Couldn't construct link preview proto from: \(self).")
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return nil
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}
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}
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}
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}
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