Example of Working with Transactions

import UIKit
 
class ViewController: UIViewController {
 
    // Determine output variables
    @IBOutlet weak var uuidTextField: UITextField!
    @IBOutlet weak var requestResultTextView: UITextView!
    @IBOutlet weak var requestButton: UIButton!
    @IBOutlet weak var requestWithUUIDButton: UIButton!
    @IBOutlet weak var retryRequestWithUUIDButton: UIButton!
    @IBOutlet weak var getAllTrtansactionButton: UIButton!
    @IBOutlet weak var getTransactionButton: UIButton!
    @IBOutlet weak var deleteTransactionButton: UIButton!
 
    // Redetermine method
    override func viewDidLoad() {
        super.viewDidLoad()
        self.deactivateButtons()
        self.initializeFramework()
        self.auth {
            self.activateButtons()
            self.requestResultTextView.text = "Authentication success"
        }
    }
 
    // Set method that will be executed on button click
     @IBAction func viewTapped(_ sender: UITapGestureRecognizer) {
        self.uuidTextField.resignFirstResponder()
    }
 
    @IBAction func requestPressed() {
        self.requestTable { (jsonResult) in
            self.requestResultTextView.text = String(format: "%@", jsonResult)
        }
    }
 
    @IBAction func requestWithUUIDPressed() {
        let uuid = UUID().uuidString
        self.uuidTextField.text = uuid
        self.requestTable(uuid) { (jsonResult) in
            self.requestResultTextView.text = String(format: "%@", jsonResult)
        }
    }
 
    @IBAction func retryPressed() {
        if let uuid = self.uuidTextField.text {
            self.retryRequest(transactionID: uuid) { (jsonResult) in
                self.requestResultTextView.text = String(format: "%@", jsonResult)
            }
        }
    }
 
    @IBAction func getAllTransactionsPressed(_ sender: UIButton) {
        self.getAllTransactions { (jsonResult) in
            self.requestResultTextView.text = String(format: "%@", self.getTransactionIDs(from: jsonResult))
        }
    }
 
    @IBAction func getTransactionPressed(_ sender: UIButton) {
        if let uuid = self.uuidTextField.text {
            self.getTransaction(transactionID: uuid) { (jsonResult) in
                self.requestResultTextView.text = String(format: "%@", jsonResult)
            }
        }
    }
 
    @IBAction func deleteTransactionPressed(_ sender: UIButton) {
        if let uuid = self.uuidTextField.text {
            self.deleteTransaction(transactionID: uuid) { (jsonResult) in
                self.requestResultTextView.text = String(format: "%@", jsonResult)
            }
        }
    }
 
    // Initialize framework
    private func initializeFramework() {
        let apiVersion: String = "v1"
        let host: String = "http://testmasterfmp.fsight.cloud/"
        let environment: String = "Leonid_environment"
        let project: String = "Leonid_project"
        let device: String = (UIDevice.current.identifierForVendor?.uuidString)!
        HHFWController.sharedInstance().initWithCredentials(
            apiVersion,
            host: host,
            environment: environment,
            project: project,
            device: device
        )
    }
 
    // Authenticate
    private func auth(completion: @escaping ()->()) {
        let username: String = "Leonid"
        let password: String = "123123"
        HHFWController.sharedInstance().auth(username, password: password){ (jsonResult) in
            if let jsonDict = jsonResult as? NSDictionary,
                let status = jsonDict["status"] as? String, status == "ok" {
                print("Auth success")
                completion()
            } else {
                print("Auth error")
            }
        }
    }
 
    // Perform the Table request
    private func requestTable(_ transactionID: String? = nil, completion: @escaping (NSDictionary)->()) {
        let resourceName = "GetBudgetPlanning"
        let tableCallParams = TableCallParams(defaultProperty: ())
        HHFWController.sharedInstance().table(resourceName, transactionID: transactionID, tableCallParams: tableCallParams) { (jsonResult) in
            if let jsonDict = jsonResult as? NSDictionary,
                let status = jsonDict["status"] as? String, status == "ok" {
                print("Table request success")
                completion(jsonDict)
            } else {
                print("Table request error")
            }
        }
    }
 
    // Perform the RetryTable request
    private func retryRequest(transactionID: String, completion: @escaping (NSDictionary)->()) {
        let resourceName = "GetBudgetPlanning"
        let tableCallParams = TableCallParams(defaultProperty: ())
        HHFWController.sharedInstance().retryTable(resourceName, transactionID: transactionID, tableCallParams: tableCallParams) { (jsonResult) in
            if let jsonDict = jsonResult as? NSDictionary,
                let status = jsonDict["status"] as? String, status == "ok" {
                print("Retry table request success")
                completion(jsonDict)
            } else {
                print("Retry table request error")
            }
        }
    }
 
    // Get transactions list
    private func getAllTransactions(completion: @escaping (NSDictionary)->()) {
        let resourceName = "GetBudgetPlanning"
        HHFWController.sharedInstance().getAllTransactionResourceName(resourceName) { (jsonResult) in
            if let jsonDict = jsonResult as? NSDictionary,
                let status = jsonDict["status"] as? String, status == "ok" {
                print("Get all transactions success")
                completion(jsonDict)
            } else {
                print("Get all transactions error")
            }
        }
    }
 
    // Get specific transaction
    private func getTransaction(transactionID: String, completion: @escaping (NSDictionary)->()) {
        let resourceName = "GetBudgetPlanning"
        HHFWController.sharedInstance().getTransaction(transactionID, resourceName: resourceName) { (jsonResult) in
            if let jsonDict = jsonResult as? NSDictionary,
                let status = jsonDict["status"] as? String, status == "ok" {
                print("Get transaction success")
                completion(jsonDict)
            } else {
                print("Get transaction error")
            }
        }
    }
 
    // Delete specific transaction
    private func deleteTransaction(transactionID: String, completion: @escaping (NSDictionary)->()) {
        let resourceName = "GetBudgetPlanning"
        HHFWController.sharedInstance().deleteTransaction(transactionID, resourceName: resourceName) { (jsonResult) in
            if let jsonDict = jsonResult as? NSDictionary,
                let status = jsonDict["status"] as? String, status == "ok" {
                print("Delete transaction success")
                completion(jsonDict)
            } else {
                print("Delete transaction error")
            }
        }
    }
 
    // Call auxiliary classes
    private func getTransactionIDs(from json: NSDictionary) -> [String] {
        var transactionIDs: [String] = []
        if let jsonDict = self.parseServerJSONResponse(json: json),
            let result = jsonDict["result"] as? [String: Any],
            let transactions = result["raw"] as? [[String: Any]] {
            for transaction in transactions {
                if let transactionID = transaction["uuid"] as? String {
                    transactionIDs.append(transactionID)
                }
            }
        }
        return transactionIDs
    }
 
    func parseServerJSONResponse(json: NSDictionary) -> [String: Any]? {
        return json as? [String: Any]
    }
 
    // Set methods to display application user interface elements
    private func deactivateButtons() {
        self.requestButton.isEnabled = false
        self.requestWithUUIDButton.isEnabled = false
        self.retryRequestWithUUIDButton.isEnabled = false
        self.getAllTrtansactionButton.isEnabled = false
        self.getTransactionButton.isEnabled = false
        self.deleteTransactionButton.isEnabled = false
    }
 
    private func activateButtons() {
        self.requestButton.isEnabled = true
        self.requestWithUUIDButton.isEnabled = true
        self.retryRequestWithUUIDButton.isEnabled = true
        self.getAllTrtansactionButton.isEnabled = true
        self.getTransactionButton.isEnabled = true
        self.deleteTransactionButton.isEnabled = true
    }
}