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Trying to recognize the language of the Toot to set it correctly if none is provided (#633)
Probability threshold arbitrary set to 85%. Seems to work enough for French, English and Spanish. Also tested and with only a few words, probability is low unless there is a very language specific word
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@ -1,6 +1,7 @@
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import DesignSystem
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import Env
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import Models
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import NaturalLanguage
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import Network
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import PhotosUI
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import SwiftUI
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@ -126,6 +127,21 @@ public class StatusEditorViewModel: ObservableObject {
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multiple: pollVotingFrequency.canVoteMultipleTimes,
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expires_in: pollDuration.rawValue)
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}
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if !hasExplicitlySelectedLanguage {
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// Attempt language resolution using Natural Language
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let recognizer = NLLanguageRecognizer()
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recognizer.processString(statusText.string)
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// Use languageHypotheses to get the probability with it
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let hypotheses = recognizer.languageHypotheses(withMaximum: 1)
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// Assert that 85% probability is enough :)
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// A one word toot that is en/fr compatible is only ~50% confident, for instance
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if let (language, probability) = hypotheses.first, probability > 0.85 {
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// rawValue return the IETF BCP 47 language tag
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selectedLanguage = language.rawValue
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}
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}
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let data = StatusData(status: statusText.string,
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visibility: visibility,
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inReplyToId: mode.replyToStatus?.id,
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