advplyr.audiobookshelf-app/ios/App/Shared/util/Extensions.swift

96 lines
2.5 KiB
Swift

//
// Extensions.swift
// App
//
// Created by Rasmus Krämer on 14.04.22.
//
import Foundation
import RealmSwift
import Capacitor
import CoreMedia
extension String: Error {}
typealias Dictionaryable = Encodable
extension Encodable {
func asDictionary() throws -> [String: Any] {
let data = try JSONEncoder().encode(self)
guard let dictionary = try JSONSerialization.jsonObject(with: data, options: .allowFragments) as? [String: Any] else {
throw NSError()
}
return dictionary
}
}
extension Collection where Iterator.Element: Encodable {
func asDictionaryArray() throws -> [[String: Any]] {
return try self.enumerated().map() {
i, element -> [String: Any] in try element.asDictionary()
}
}
}
extension KeyedDecodingContainer {
func doubleOrStringDecoder(key: KeyedDecodingContainer<K>.Key) throws -> Double {
do {
return try decode(Double.self, forKey: key)
} catch {
let stringValue = try decode(String.self, forKey: key)
return Double(stringValue) ?? 0.0
}
}
func intOrStringDecoder(key: KeyedDecodingContainer<K>.Key) throws -> Int {
do {
return try decode(Int.self, forKey: key)
} catch {
let stringValue = try decode(String.self, forKey: key)
return Int(stringValue) ?? 0
}
}
}
extension CAPPluginCall {
func getJson<T: Decodable>(_ key: String, type: T.Type) -> T? {
guard let value = getObject(key) else { return nil }
guard let json = try? JSONSerialization.data(withJSONObject: value) else { return nil }
return try? JSONDecoder().decode(type, from: json)
}
}
extension DispatchQueue {
static func runOnMainQueue(callback: @escaping (() -> Void)) {
if Thread.isMainThread {
callback()
} else {
DispatchQueue.main.sync {
callback()
}
}
}
}
extension URL {
var attributes: [FileAttributeKey : Any]? {
do {
return try FileManager.default.attributesOfItem(atPath: path)
} catch let error as NSError {
print("FileAttribute error: \(error)")
}
return nil
}
var fileSize: Int64 {
return attributes?[.size] as? Int64 ?? Int64(0)
}
var fileSizeString: String {
return ByteCountFormatter.string(fromByteCount: Int64(fileSize), countStyle: .file)
}
var creationDate: Date? {
return attributes?[.creationDate] as? Date
}
}