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Merge pull request #55 from garnett/info-command
Implements #26: Add info command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| // | ||
| // Info.swift | ||
| // mas-cli | ||
| // | ||
| // Created by Denis Lebedev on 21/10/2016. | ||
| // Copyright © 2016 Andrew Naylor. All rights reserved. | ||
| // | ||
|
|
||
| import Foundation | ||
|
|
||
| struct InfoCommand: CommandProtocol { | ||
| let verb = "info" | ||
| let function = "Display app information from the Mac App Store" | ||
|
|
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| func run(_ options: InfoOptions) -> Result<(), MASError> { | ||
| guard let infoURLString = infoURLString(options.appId), | ||
| let searchJson = URLSession.requestSynchronousJSONWithURLString(infoURLString) as? [String: Any] else { | ||
| return .failure(.searchFailed) | ||
| } | ||
|
|
||
| guard let resultCount = searchJson[ResultKeys.ResultCount] as? Int, resultCount > 0, | ||
| let results = searchJson[ResultKeys.Results] as? [[String: Any]], | ||
| let result = results.first else { | ||
| print("No results found") | ||
| return .failure(.noSearchResultsFound) | ||
| } | ||
|
|
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| print(AppInfoFormatter.format(appInfo: result)) | ||
|
|
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| return .success(()) | ||
| } | ||
|
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| private func infoURLString(_ appId: String) -> String? { | ||
| if let urlEncodedAppId = appId.URLEncodedString { | ||
| return "https://itunes.apple.com/lookup?id=\(urlEncodedAppId)" | ||
| } | ||
| return nil | ||
| } | ||
| } | ||
|
|
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| struct InfoOptions: OptionsProtocol { | ||
| let appId: String | ||
|
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| static func create(_ appId: String) -> InfoOptions { | ||
| return InfoOptions(appId: appId) | ||
| } | ||
|
|
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| static func evaluate(_ m: CommandMode) -> Result<InfoOptions, CommandantError<MASError>> { | ||
| return create | ||
| <*> m <| Argument(usage: "the app id to show info") | ||
| } | ||
| } | ||
|
|
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| private struct AppInfoFormatter { | ||
|
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| private enum Keys { | ||
| static let Name = "trackCensoredName" | ||
| static let Version = "version" | ||
| static let Price = "formattedPrice" | ||
| static let Seller = "sellerName" | ||
| static let VersionReleaseDate = "currentVersionReleaseDate" | ||
| static let MinimumOS = "minimumOsVersion" | ||
| static let FileSize = "fileSizeBytes" | ||
| static let AppStoreUrl = "trackViewUrl" | ||
| } | ||
|
|
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| static func format(appInfo: [String: Any]) -> String { | ||
| let headline = [ | ||
| "\(appInfo.stringOrEmpty(key: Keys.Name))", | ||
| "\(appInfo.stringOrEmpty(key: Keys.Version))", | ||
| "[\(appInfo.stringOrEmpty(key: Keys.Price))]", | ||
| ].joined(separator: " ") | ||
|
|
||
| return [ | ||
| headline, | ||
| "By: \(appInfo.stringOrEmpty(key: Keys.Seller))", | ||
| "Released: \(humaReadableDate(appInfo.stringOrEmpty(key: Keys.VersionReleaseDate)))", | ||
| "Minimum OS: \(appInfo.stringOrEmpty(key: Keys.MinimumOS))", | ||
| "Size: \(humanReadableSize(appInfo.stringOrEmpty(key: Keys.FileSize)))", | ||
| "From: \(appInfo.stringOrEmpty(key: Keys.AppStoreUrl))", | ||
| ].joined(separator: "\n") | ||
| } | ||
|
|
||
| private static func humanReadableSize(_ size: String) -> String { | ||
| let bytesSize = Int64(size) ?? 0 | ||
| return ByteCountFormatter.string(fromByteCount: bytesSize, countStyle: .file) | ||
| } | ||
|
|
||
| private static func humaReadableDate(_ serverDate: String) -> String { | ||
| let serverDateFormatter = DateFormatter() | ||
| serverDateFormatter.locale = Locale(identifier: "en_US_POSIX") | ||
| serverDateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZZZZZ" | ||
|
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| let humanDateFormatter = DateFormatter() | ||
| humanDateFormatter.timeStyle = .none | ||
| humanDateFormatter.dateStyle = .medium | ||
| return serverDateFormatter.date(from: serverDate).flatMap(humanDateFormatter.string(from:)) ?? "" | ||
| } | ||
| } | ||
|
|
||
| extension Dictionary { | ||
| fileprivate func stringOrEmpty(key: Key) -> String { | ||
| return self[key] as? String ?? "" | ||
| } | ||
| } |
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