59 lines
1.8 KiB
Swift
59 lines
1.8 KiB
Swift
//
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// EmojiManager.swift
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// Travely
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//
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// Created by Niklas Amslgruber on 13.06.23.
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//
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import Foundation
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enum EmojiManager {
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enum Version: Int {
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case v14 = 14
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case v15 = 15
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var fileName: String {
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return "emojis_v\(rawValue)"
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}
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static func getSupportedVersion() -> Version {
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if #available(iOS 16.4, *) {
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return .v15
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} else {
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return .v14
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}
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}
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}
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static func getAvailableEmojis(version: Version = .getSupportedVersion()) -> [EmojiCategory] {
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if let url = Bundle.main.url(forResource: version.fileName, withExtension: "json"), let content = try? Data(contentsOf: url), let result = try? JSONDecoder().decode([EmojiCategory].self, from: content) {
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var filteredEmojis: [EmojiCategory] = []
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for category in result {
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let supportedEmojis = category.values.filter({
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isNeutralEmoji(for: $0)
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})
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filteredEmojis.append(EmojiCategory(name: category.name, values: supportedEmojis))
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}
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return filteredEmojis
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}
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return []
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}
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private static func isNeutralEmoji(for emoji: String) -> Bool {
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let unicodes = getUnicodes(emoji: emoji)
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let colors = ["1F3FB", "1F3FC", "1F3FD", "1F3FE", "1F3FF"]
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for color in colors where unicodes.contains(color) {
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return false
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}
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return true
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}
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private static func getUnicodes(emoji: String) -> [String] {
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let unicodeScalars = emoji.unicodeScalars
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let unicodes = unicodeScalars.map { $0.value }
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return unicodes.map { String($0, radix: 16, uppercase: true) }
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}
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}
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