PDF_Office/PDF Office/PDF Master/Class/KMLightMember/KMLightMemberCache/KMLightMemberCache.swift

//
//  KMLightMemberCache.swift
//  KMLightMember
//
//  Created by lizhe on 2022/11/25.
//

enum KMLightMemberCacheType: String {
    case info = "lightMemberInfoCache.plist"
    case token = "lightMemberTokenCache.plist"
}

class KMLightMemberCache: NSObject {
    let kFilePath: NSString = NSTemporaryDirectory() + "KMLightMemberCache" as NSString
    
    //单例
    public static let cache = KMLightMemberCache()
    //存储
    func saveData(data: NSDictionary, type: KMLightMemberCacheType = .info) {
        let string: NSString = (kFilePath as String) + "/" + type.rawValue as NSString

        if (!FileManager.default.fileExists(atPath: string.deletingLastPathComponent as String)) {
            try?FileManager.default.createDirectory(atPath: string.deletingLastPathComponent as String, withIntermediateDirectories: true, attributes: nil)
        }
        
        if (!FileManager.default.fileExists(atPath: string as String)) {
            FileManager.default.createFile(atPath: string as String, contents: nil)
        }
        
        //获取有用的参数
        let dic: NSMutableDictionary = [:]
        for key in data.allKeys {
            let object = data.object(forKey: key)
            if ( !(object is NSNull)) {
                dic.setObject(object as Any, forKey: key as! NSCopying)
            }
        }
        
        let saveData: NSArray = [dic]
        let success = saveData.write(toFile: string.expandingTildeInPath as String, atomically: true)

        if (success == true) {
            print("成功 -" + (string.expandingTildeInPath as String))
        } else {
            print("失败 -" + (string.expandingTildeInPath as String))
        }
    }

   //读取
    func readData( type: KMLightMemberCacheType = .info) -> NSDictionary {
        let string: NSString = (kFilePath as String) + "/" + type.rawValue as NSString
        
        let data =  NSArray.init(contentsOfFile: string.expandingTildeInPath as String)
        if (data != nil) {
            return data!.firstObject as! NSDictionary
        } else {
            return [:]
        }
    }
    
    func clean() {
        if (FileManager.default.fileExists(atPath: kFilePath as String)) {
            try?FileManager.default.removeItem(atPath: kFilePath as String)
        }
    }
}