Learn-Genie/Learn Genie/Constants/ApiManager.swift

//
//  ApiManager.swift
//  Learn Genie
//
//  Created by Suraj Kumar Mandal on 31/08/21.
//

import Foundation
import Alamofire
import SSZipArchive
import RealmSwift

class ApiManager {
        
    static func generateCookie() {
        let url = ApiUrl.BASE_URL + ApiUrl.API_AUTH
        let params: [String:Any]?
        params = [
            "username" : "admin",
            "password" : "mahindrapass123"
        ]
        print(params!)
        
        AF.request(url, method: HTTPMethod.post, parameters: params).responseData { (responseObject) -> Void in
            
            if let responseStatus = responseObject.response?.statusCode {
                if responseStatus != 200 {
                    // error
                    print("error...")
                } else {
                    // view all cookies
                    print(HTTPCookieStorage.shared.cookies!)
                    for cookie in HTTPCookieStorage.shared.cookies! {
                        print(cookie.value)
                        UserDefaultsConstant.setValueInUserDefaults(objValue: cookie.value, for: "cookieValue")
                        //self.getRole()
                        print("Cookie generated")
                    }
                }
            }
        }
    }
    
    static func saveScoreboard() {
        let saveScoreDB = DBManager.sharedInstance.database.objects(SaveScoreBoard.self)
        for score in saveScoreDB {
            if score.synced == false {
                let url = "\(ApiUrl.BASE_URL + ApiUrl.API_SCOREBOARD)/save.json"
                print(url)
                let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
                let headers: HTTPHeaders = [
                    "Content-Type": "application/json",
                    "Accept": "application/json",
                    "Cookie": "\(Constant.CookieName) = \(cookieValue)"
                ]
                print(headers)
                
                let params: Parameters?
                params = [
                    "student" : score.student,
                    "level" : score.levelId,
                    "topic" : score.topicId,
                    "runs" : score.runs,
                    "wickets" : score.wickets,
                    "noOfAttempts" : score.noOfAttempts
                ]
                print(params!)
                
                AF.request(url, method: .post, parameters: params, encoding: JSONEncoding.default, headers: headers).responseJSON { response in
                    if let responseStatus = response.response?.statusCode {
                        if responseStatus != 201 {
                            print("error...")
                        } else {
                            score.synced = true
                        }
                    }
                }
            }
        }
    }
    
    static func getRole() {
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_ROLE).json"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        
        AF.request(url, method: HTTPMethod.post, encoding: JSONEncoding.default, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                let roleData = value as! [NSDictionary]
                var currentIndex = 0
                for item in roleData {
                    let id = item.value(forKey: "id") as! NSNumber;
                    let name = item.value(forKey: "name") as? String ?? "";
                    let authority = item.value(forKey: "authority") as? String ?? "";
                    var roleModel = [RoleModel]()
                    currentIndex += 1
                    let newRoleModel = RoleModel(id: Int(truncating: id), name: name, authority: authority)
                    roleModel.append(newRoleModel)
                    DBManager.sharedInstance.addData(objs: roleModel)
                }
                let realmEntries = DBManager.sharedInstance.database.objects(RoleModel.self)
                print("role count")
                print(realmEntries.count)
                print(roleData.count)
                // if both counts doesn't match
                let db_count = realmEntries.count - roleData.count
                if db_count > 0 {
                    let array = Array(1...db_count)
                    for value in array {
                        var roleModel = [RoleModel]()
                        let data = DBManager.sharedInstance.getObjects(type: RoleModel.self)? [realmEntries.count - value] as! RoleModel
                        roleModel.append(data)
                        DBManager.sharedInstance.deleteFromDb(object: roleModel)
                    }
                }
                self.getLanguage()
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func getLanguage() {
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_LANGUAGE).json"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        
        AF.request(url, method: HTTPMethod.post, encoding: JSONEncoding.default, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let languageArray = value as! [NSDictionary]
                
                for item in languageArray {
                    
                    let id = item.value(forKey: "id") as! NSNumber;
                    let shortName = item.value(forKey: "shortName") as? String ?? "" ;
                    let dateCreated = item.value(forKey: "dateCreated") as? String ?? "" ;
                    let lastUpdated = item.value(forKey: "lastUpdated") as? String ?? "" ;
                    let name = item.value(forKey: "name") as? String ?? "" ;
                    
                    var languageModel = [LanguageModel]()
                    
                    let newLanguageModel = LanguageModel(id: Int(truncating: id), shortName: shortName, dateCreated: dateCreated, lastUpdated: lastUpdated, name: name)
                    
                    languageModel.append(newLanguageModel)
                    
                    DBManager.sharedInstance.addData(objs: languageModel)
                    
                }
                
                let realmEntries = DBManager.sharedInstance.database.objects(LanguageModel.self)
                
                print("language count")
                print(realmEntries.count)
                print(languageArray.count)
                
                // if both counts doesn't match
                
                let db_count = realmEntries.count - languageArray.count
                
                if db_count > 0 {
                    let array = Array(1...db_count)
                    for value in array {
                        var languageModel = [LanguageModel]()
                        let data = DBManager.sharedInstance.getObjects(type: LanguageModel.self)? [realmEntries.count - value] as! LanguageModel
                        languageModel.append(data)
                        DBManager.sharedInstance.deleteFromDb(object: languageModel)
                    }
                }
                let translationModel = [TranslationModel]()
                DBManager.sharedInstance.deleteFromDb(object: translationModel)
                self.getTranslation(offset: 0)
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func getTranslation(offset:Int) {
        let max = 10
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_TRANSLATION).json?max=\(max)&offset=\(offset)"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        //let params: [String:Any]?
        let params = [
            "max" : max,
            "offset" : offset
        ]
        print(params)
        
        AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let translationArray = value as! [NSDictionary]
                
                if translationArray != [] {
                    print(translationArray)
                    
                    for item in translationArray {
                        
                        let id = item.value(forKey: "id") as! NSNumber;
                        let originalText = item.value(forKey: "originalText") as? String ?? "" ;
                        let language = item.value(forKey: "language") as? NSObject;
                        let languageId = language?.value(forKey: "id") as! NSNumber;
                        let translatedText = item.value(forKey: "translatedText") as? String ?? "" ;
                        
                        var translationModel = [TranslationModel]()
                        
                        let newtranslationModel = TranslationModel(id: Int(truncating: id), originalText: originalText, languageId: Int(truncating: languageId), translatedText: translatedText)
                        
                        translationModel.append(newtranslationModel)
                        
                        DBManager.sharedInstance.addData(objs: translationModel)
                    }
                    self.getTranslation(offset: offset + max)
                } else {
                    let stateModel = [StateModel]()
                    DBManager.sharedInstance.deleteFromDb(object: stateModel)
                    //Next API call
                    self.getState(offset: 0)
                }
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func getState(offset:Int) {
        let max = 10
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_STATE).json?max=\(max)&offset=\(offset)"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        print(url)
        
        AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let translationArray = value as! [NSDictionary]
                
                if translationArray != [] {
                    print(translationArray)
                    
                    for item in translationArray {
                        
                        let id = item.value(forKey: "id") as! NSNumber;
                        let stateName = item.value(forKey: "stateName") as? String ?? "" ;
                        let stateNameHindi = item.value(forKey: "stateNameHindi") as? String ?? "" ;
                        
                        var stateModel = [StateModel]()
                        
                        let newStateModel = StateModel(id: Int(truncating: id), stateName: stateName, stateNameHindi: stateNameHindi)
                        
                        stateModel.append(newStateModel)
                        
                        DBManager.sharedInstance.addData(objs: stateModel)
                    }
                    let realmEntries = DBManager.sharedInstance.database.objects(StateModel.self)
                    
                    print("state count")
                    print(realmEntries.count)
                    self.getState(offset: offset + max)
                } else {
                    let districtModel = [DistrictModel]()
                    DBManager.sharedInstance.deleteFromDb(object: districtModel)
                    //Next API call
                    self.getDistrict(offset: 0)
                }
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func getDistrict(offset:Int) {
        let max = 10
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_DISTRICT).json?max=\(max)&offset=\(offset)"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        print(url)
        
        AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let translationArray = value as! [NSDictionary]
                
                if translationArray != [] {
                    print(translationArray)
                    
                    for item in translationArray {
                        
                        let id = item.value(forKey: "id") as! NSNumber;
                        let districtName = item.value(forKey: "districtName") as? String ?? "" ;
                        let state = item.value(forKey: "state") as? NSObject;
                        let stateId = state?.value(forKey: "id") as! NSNumber;
                        let districtNameHindi = item.value(forKey: "districtNameHindi") as? String ?? "" ;
                        
                        var districtModel = [DistrictModel]()
                        
                        let newDistrictModel = DistrictModel(id: Int(truncating: id), districtName: districtName, stateId: Int(truncating: stateId), districtNameHindi: districtNameHindi)
                        
                        districtModel.append(newDistrictModel)
                        
                        DBManager.sharedInstance.addData(objs: districtModel)
                    }
                    let realmEntries = DBManager.sharedInstance.database.objects(DistrictModel.self)
                    
                    print("district count")
                    print(realmEntries.count)
                    self.getDistrict(offset: offset + max)
                } else {
                    let topicModel = [TopicModel]()
                    DBManager.sharedInstance.deleteFromDb(object: topicModel)
                    //Next API call
                    self.getTopic(offset: 0)
                }
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func getTopic(offset:Int) {
        let max = 10
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_TOPIC).json?max=\(max)&offset=\(offset)"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        print(url)
        
        AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let topicArray = value as! [NSDictionary]
                
                if topicArray != [] {
                    print(topicArray)
                    
                    for item in topicArray {
                        
                        let id = item.value(forKey: "id") as! NSNumber;
                        let level = item.value(forKey: "level") as? NSObject;
                        let levelId = level?.value(forKey: "id") as! NSNumber;
                        let noOfQuizQuestions = item.value(forKey: "noOfQuizQuestions") as! NSNumber;
                        let video = item.value(forKey: "video") as? String ?? "" ;
                        let dateCreated = item.value(forKey: "dateCreated") as? String ?? "" ;
                        let lastUpdated = item.value(forKey: "lastUpdated") as? String ?? "" ;
                        let name = item.value(forKey: "name") as? String ?? "" ;
                        let questionBank = item.value(forKey: "questionBank") as? NSObject;
                        let questionBankId = questionBank?.value(forKey: "id") as! NSNumber;
                        let content = item.value(forKey: "content") as? String ?? "" ;
                        let language = item.value(forKey: "language") as? NSObject;
                        let languageId = language?.value(forKey: "id") as! NSNumber;
                        
                        var topicModel = [TopicModel]()
                        
                        let newtopicModel = TopicModel(id: Int(truncating: id), levelId: Int(truncating: levelId), noOfQuizQuestions: Int(truncating: noOfQuizQuestions), video: video, dateCreated: dateCreated, lastUpdated: lastUpdated, name: name, questionBankId: Int(truncating: questionBankId), content: content, languageId: Int(truncating: languageId))
                        
                        topicModel.append(newtopicModel)
                        
                        DBManager.sharedInstance.addData(objs: topicModel)
                        //self.topicDownloader(id: Int(truncating: id))
                    }
                    let realmEntries = DBManager.sharedInstance.database.objects(TopicModel.self)
                    
                    print("topic count")
                    print(realmEntries.count)
                    self.getTopic(offset: offset + max)
                } else {
                    //Next API call
                    self.topicDownloader()
                }
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func topicDownloader() {
        let language = DBManager.sharedInstance.database.objects(LanguageModel.self)
        for item in language {
            let topicData = DBManager.sharedInstance.database.objects(TopicModel.self)
            for data in topicData {
                let id = data.id
                //let selectedLanguage = UserDefaultsConstant.getValueFromUserDefults(for: "selectedLanguage") ?? ""
                let url = "\(ApiUrl.BASE_URL + ApiUrl.API_DOWNLOAD_TOPIC)?topic=\(id)&lang=\(item.shortName)"
                let saveName = "\(id).zip"
                print(url)
                
                let documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
                let dataPath = documentsDirectory.appendingPathComponent(item.name)
                
                do {
                    try FileManager.default.createDirectory(atPath: dataPath.path, withIntermediateDirectories: true, attributes: nil)
                } catch let error as NSError {
                    print("Error creating directory: \(error.localizedDescription)")
                }
                
                // file location to save download file
                let destination: DownloadRequest.Destination = { _, _ in
                    var documentsURL = dataPath
                    documentsURL.appendPathComponent(saveName)
                    return (documentsURL, [.removePreviousFile])
                }
                
                let unZipDestination = dataPath
                let unZipUrl = unZipDestination.appendingPathComponent("\(id)")
                print(unZipUrl)
                
                // Alamofire to download file
                AF.download(url, to: destination).responseData { response in
                    switch response.result {
                    case .success:
                        // write something here
                        if response.fileURL != nil {
                            print(response.fileURL!)
                            let filePath = response.fileURL
                            SSZipArchive.unzipFile(atPath: filePath!.path, toDestination: unZipUrl.path)
                        }
                    case .failure:
                        print(response.result)
                    }
                }
            }
        }
        self.getLevel()
    }
    
    static func getLevel() {
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_LEVEL).json"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        print(url)
        
        AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let levelArray = value as! [NSDictionary]
                
                print(levelArray)
                
                for item in levelArray {
                    
                    let id = item.value(forKey: "id") as! NSNumber;
                    let dateCreated = item.value(forKey: "dateCreated") as? String ?? "";
                    let lastUpdated = item.value(forKey: "lastUpdated") as? String ?? "";
                    let name = item.value(forKey: "name") as? String ?? "" ;
                    let topics = item.value(forKey: "topics") as! [NSDictionary];
                    let topicIdModel = List<Topics>()
                    for data in topics {
                        let topicId = data.value(forKey: "id") as? NSNumber;
                        let newTopics = Topics(id: topicId as! Int)
                        topicIdModel.append(newTopics)
                    }
                    let iconBytes = item.value(forKey: "iconBytes") as! NSArray;
                    let iconByteString = iconBytes.map { String(describing: $0) }.joined(separator: ",")
                    
                    var levelModel = [LevelModel]()
                    
                    let newlevelModel = LevelModel(id: Int(truncating: id), dateCreated: dateCreated, lastUpdated: lastUpdated, name: name, topics: topicIdModel, iconByte: iconByteString)
                    print("Level Model: \(newlevelModel)")
                    levelModel.append(newlevelModel)
                    
                    DBManager.sharedInstance.addData(objs: levelModel)
                }
                let realmEntries = DBManager.sharedInstance.database.objects(LevelModel.self)
                
                print("level count")
                print(realmEntries.count)
                print(levelArray.count)
                // if both counts doesn't match
                let db_count = realmEntries.count - levelArray.count
                if db_count > 0 {
                    let array = Array(1...db_count)
                    for value in array {
                        var levelModel = [LevelModel]()
                        let data = DBManager.sharedInstance.getObjects(type: LevelModel.self)? [realmEntries.count - value] as! LevelModel
                        levelModel.append(data)
                        DBManager.sharedInstance.deleteFromDb(object: levelModel)
                    }
                }
                //Next API call
                self.getQuestionBank(offset: 0)
                
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func getQuestionBank(offset:Int) {
        let max = 10
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_QUESTION_BANK).json?max=\(max)&offset=\(offset)"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        print(url)
        
        AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let quesBankArray = value as! [NSDictionary]
                
                if quesBankArray != [] {
                    print(quesBankArray)
                    
                    for item in quesBankArray {
                        let id = item.value(forKey: "id") as! NSNumber;
                        let dateCreated = item.value(forKey: "dateCreated") as? String ?? "";
                        let lastUpdated = item.value(forKey: "lastUpdated") as? String ?? "";
                        let name = item.value(forKey: "name") as? String ?? "" ;
                        let questions = item.value(forKey: "questions") as! [NSDictionary];
                        let questionIdModel = List<Questions>()
                        for data in questions {
                            let quesId = data.value(forKey: "id") as? NSNumber;
                            let newQues = Questions(id: quesId as! Int)
                            questionIdModel.append(newQues)
                        }
                        
                        var quesBankModel = [QuestionBankModel]()
                        
                        let newQuesBankModel = QuestionBankModel(id: Int(truncating: id), dateCreated: dateCreated, lastUpdated: lastUpdated, name: name, questions: questionIdModel)
                        print("Question Bank Model: \(newQuesBankModel)")
                        quesBankModel.append(newQuesBankModel)
                        
                        DBManager.sharedInstance.addData(objs: quesBankModel)
                    }
                    let realmEntries = DBManager.sharedInstance.database.objects(QuestionBankModel.self)
                    
                    print("question bank count")
                    print(realmEntries.count)
                    self.getQuestionBank(offset: offset + max)
                } else {
                    //Next API call
                    self.getQuestion(offset: 0)
                }
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func getQuestion(offset:Int) {
        let max = 10
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_QUESTION).json?max=\(max)&offset=\(offset)"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        print(url)
        
        AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let questionArray = value as! [NSDictionary]
                
                if questionArray != [] {
                    print(questionArray)
                    
                    for item in questionArray {
                        
                        let id = item.value(forKey: "id") as! NSNumber;
                        let dateCreated = item.value(forKey: "dateCreated") as? String ?? "";
                        let lastUpdated = item.value(forKey: "lastUpdated") as? String ?? "";
                        let content = item.value(forKey: "content") as? String ?? "" ;
                        let questionBank = item.value(forKey: "questionBank") as? NSObject;
                        let questionBankId = questionBank?.value(forKey: "id") as! NSNumber;
                        let answer = item.value(forKey: "answer") as? NSObject;
                        let answerId = answer?.value(forKey: "id") as! NSNumber;
                        let choices = item.value(forKey: "choices") as! [NSDictionary];
                        let choicesIdModel = List<Choices>()
                        for data in choices {
                            let choicesId = data.value(forKey: "id") as? NSNumber;
                            let newchoices = Choices(id: choicesId as! Int)
                            choicesIdModel.append(newchoices)
                        }
                        
                        var quesModel = [QuestionModel]()
                        
                        let newQuesModel = QuestionModel(id: Int(truncating: id), dateCreated: dateCreated, lastUpdated: lastUpdated, content: content, questionBankId: Int(truncating: questionBankId), answerId: Int(truncating: answerId), choices: choicesIdModel)
                        print("Question Model: \(newQuesModel)")
                        quesModel.append(newQuesModel)
                        
                        DBManager.sharedInstance.addData(objs: quesModel)
                    }
                    let realmEntries = DBManager.sharedInstance.database.objects(QuestionModel.self)
                    
                    print("question count")
                    print(realmEntries.count)
                    self.getQuestion(offset: offset + max)
                } else {
                    //Next API call
                    self.getChoice(offset: 0)
                }
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func getChoice(offset:Int) {
        let max = 10
        let url = "\(ApiUrl.BASE_URL + ApiUrl.API_CHOICE).json?max=\(max)&offset=\(offset)"
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        print(url)
        
        AF.request(url, method: .get, encoding: URLEncoding.httpBody, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let choiceArray = value as! [NSDictionary]
                
                if choiceArray != [] {
                    print(choiceArray)
                    
                    for item in choiceArray {
                        
                        let id = item.value(forKey: "id") as! NSNumber;
                        let content = item.value(forKey: "content") as? String ?? "";
                        let question = item.value(forKey: "question") as? NSObject;
                        let questionId = question?.value(forKey: "id") as! NSNumber;
                        
                        var choiceModel = [ChoiceModel]()
                        
                        let newchoiceModel = ChoiceModel(id: Int(truncating: id), content: content, questionId: Int(truncating: questionId))
                        print("Choice Model: \(newchoiceModel)")
                        choiceModel.append(newchoiceModel)
                        
                        DBManager.sharedInstance.addData(objs: choiceModel)
                    }
                    let realmEntries = DBManager.sharedInstance.database.objects(ChoiceModel.self)
                    
                    print("choice count")
                    print(realmEntries.count)
                    self.getChoice(offset: offset + max)
                } else {
                    //Next API call
                    //                        delegate.stopActivityIndicator()
                    //                        delegate.navigation()
                }
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
    static func getScoreBoard() {
        let studentId = UserDefaultsConstant.getIntValueFromUserDefults(for: Constant.studentId) as! Int
        let url = ApiUrl.BASE_URL + ApiUrl.API_SEARCH_SCOREBOARD
        let cookieValue = UserDefaultsConstant.getValueFromUserDefults(for: "cookieValue") ?? ""
        let headers: HTTPHeaders = [
            "Content-Type": "application/json",
            "Accept": "application/json",
            "Cookie": "\(Constant.CookieName) = \(cookieValue)"
        ]
        print(headers)
        
        let params: Parameters?
        params = [
            "id" : studentId
        ]
        print(params!)
        
        AF.request(url, method: .post, parameters: params, encoding: JSONEncoding.default, headers: headers).responseJSON { response in
            
            switch response.result {
            case .success(let value):
                
                let scoreData = value as! [NSDictionary]
                var currentIndex = 0
                
                for item in scoreData {
                    let student = item.value(forKey: "student") as! NSObject;
                    let studentId = student.value(forKey: "id") as! NSNumber;
                    let topic = item.value(forKey: "topic") as! NSObject;
                    let topicId = topic.value(forKey: "id") as! NSNumber;
                    let level = item.value(forKey: "level") as! NSObject;
                    let levelId = level.value(forKey: "id") as! NSNumber;
                    let runs = item.value(forKey: "runs") as! NSNumber;
                    let wickets = item.value(forKey: "wickets") as! NSNumber;
                    let noOfAttempts = item.value(forKey: "noOfAttempts") as! NSNumber;
                    
                    var saveScoreModel = [SaveScoreBoard]()
                    currentIndex += 1
                    let newSaveScoreModel = SaveScoreBoard(id: currentIndex, levelId: Int(truncating: levelId), topicId: Int(truncating: topicId), runs: Int(truncating: runs), wickets: Int(truncating: wickets), noOfAttempts: Int(truncating: noOfAttempts), student: Int(truncating: studentId), synced: true)
                    
                    saveScoreModel.append(newSaveScoreModel)
                    
                    DBManager.sharedInstance.addData(objs: saveScoreModel)
                }
                let saveScoreDB = DBManager.sharedInstance.database.objects(SaveScoreBoard.self)
                
                print("save score count")
                print(saveScoreDB.count)
                
                
            case .failure(let error):
                print(error)
            }
        }
    }
    
}