String+documentsPlist.swift

extension String {
   
    static var documentsPath:String {
        let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
        let documentsDirectory = paths[0]
        return documentsDirectory.path
    }
    
    var filePathAtDocumentsDirectory:String {
        let docPath = String.documentsPath
        return (docPath as NSString).appendingPathComponent(self)
    }
    
    var isFileExistsAtPath:Bool {
       return FileManager.default.fileExists(atPath: self)
    }
    
    var listOfFilesAtPath:[String] {
        do {
             return try FileManager.default.contentsOfDirectory(atPath: self)
        } catch {
            print("Error while enumerating files \(error.localizedDescription)")
            return []
        }
    }
    
    var readDataFromPlistPath:[String:Any]? {
        guard self.isFileExistsAtPath == true else { return nil }
        return NSDictionary(contentsOf: URL(fileURLWithPath: self) ) as? [String:Any]
    }
    
    
    func deleteFileAtPathIfExists() {
        guard self.isFileExistsAtPath else { return }
        try! FileManager.default.removeItem(atPath: self)
    }
    
    
    
}

extension Dictionary {
    func saveToPlist(plistPath:String) {
        guard let dct = self as? [String:Any] else { return }
        (dct as NSDictionary).write(toFile: plistPath, atomically: true)
    }
}