3a3123674a
* iOS Share extension * Add Fastlane steps for iOS Share Extension * new multi file layout * Add recent label * Refactor code & identation * ux feedback * downsample images * remove options horizontal padding
33 lines
959 B
Swift
33 lines
959 B
Swift
//
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// Int64.swift
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// MattermostShare
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//
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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//
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import Foundation
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extension Int64 {
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var formattedFileSize: String {
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let suffixes = ["bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"]
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let k: Double = 1024
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guard self > 0 else {
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return "0 \(suffixes[0])"
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}
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let size = Double(self)
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// Adapted from http://stackoverflow.com/a/18650828
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let i = floor(log(size) / log(k))
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// Format number with thousands separator and everything below 1 giga with no decimal places.
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let numberFormatter = NumberFormatter()
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numberFormatter.maximumFractionDigits = i < 3 ? 0 : 1
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numberFormatter.numberStyle = .decimal
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let numberString = numberFormatter.string(from: NSNumber(value: size / pow(k, i))) ?? "Unknown"
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let suffix = suffixes[Int(i)]
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return "\(numberString) \(suffix)"
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}
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}
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