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add activity indicator in schedule demo app
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -13,6 +13,8 @@ class ViewController: UIViewController { | |
| @IBOutlet var getScheduleButton: UIButton! | ||
| @IBOutlet var symbolTextField: UITextField! | ||
| @IBOutlet var resultTextView: UITextView! | ||
| @IBOutlet var activityIndicator: UIActivityIndicatorView! | ||
|
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||
| let dateFormat = "yyyy-MM-dd-HH:mm:ss" | ||
| let defaultIPfUrl = "https://demo:[email protected]/ipf?TYPE=STOCK" | ||
| lazy var dateFormater = { | ||
|
|
@@ -23,39 +25,65 @@ class ViewController: UIViewController { | |
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
| activityIndicator.isHidden = true | ||
| timeTextField.text = dateFormater.string(from: Date.now) | ||
| // Do any additional setup after loading the view. | ||
| } | ||
|
|
||
| @IBAction func getScheduleTapped(_ sender: Any) { | ||
| do { | ||
| let profile = DXInstrumentProfileReader() | ||
| let profiles = try profile.readFromFile(address: defaultIPfUrl) | ||
| let symbol = symbolTextField.text | ||
| let profilesForSymbol = profiles?.filter({ ipf in | ||
| ipf.symbol == symbol | ||
| }) | ||
| let symbol = symbolTextField.text ?? "" | ||
| let currentTime = getCurrentTime() | ||
| if symbol.isEmpty || currentTime == 0 { | ||
| let alert = UIAlertController(title: "Oups", | ||
| message: "Please, input symbol and time", | ||
| preferredStyle: .alert) | ||
| alert.addAction(UIAlertAction(title: "OK", style: .default, handler: { _ in })) | ||
| self.present(alert, animated: true, completion: nil) | ||
| return | ||
| } | ||
| activityIndicator.isHidden = false | ||
| activityIndicator.startAnimating() | ||
|
|
||
| DispatchQueue.global(qos: .background).async { | ||
| do { | ||
| let profile = DXInstrumentProfileReader() | ||
| let profiles = try profile.readFromFile(address: self.defaultIPfUrl) | ||
| let profilesForSymbol = profiles?.filter({ ipf in | ||
| ipf.symbol == symbol | ||
| }) | ||
| if profilesForSymbol?.count == 0 { | ||
| self.show(result: "Could not find profile for \(symbol)") | ||
| return | ||
| } | ||
| let next5Days = try profilesForSymbol?.map({ profile in | ||
| try self.findNext5Days(profile, time: currentTime) | ||
| }) | ||
| let currentSession = try profilesForSymbol?.map({ profile in | ||
| try self.getSessions(profile, time: currentTime) | ||
| }) | ||
| var result = next5Days?.joined(separator: "") ?? "" | ||
| result += "\n" | ||
| result += currentSession?.joined(separator: "") ?? "" | ||
| self.show(result: result) | ||
| } catch { | ||
| let textError = "Error: \(error)" | ||
| print(textError) | ||
| self.show(result: textError) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| let next5Days = try profilesForSymbol?.map({ profile in | ||
| try findNext5Days(profile) | ||
| }) | ||
| let currentSession = try profilesForSymbol?.map({ profile in | ||
| try getSessions(profile) | ||
| }) | ||
| var result = next5Days?.joined(separator: "") ?? "" | ||
| result += "\n" | ||
| result += currentSession?.joined(separator: "") ?? "" | ||
| resultTextView.text = result | ||
| } catch { | ||
| let textError = "Error: \(error)" | ||
| print(textError) | ||
| resultTextView.text = textError | ||
| private func show(result: String) { | ||
| DispatchQueue.main.async { | ||
| self.activityIndicator.isHidden = true | ||
| self.activityIndicator.stopAnimating() | ||
| self.resultTextView.text = result | ||
| } | ||
| } | ||
|
|
||
| private func findNext5Days(_ profile: InstrumentProfile) throws -> String { | ||
| private func findNext5Days(_ profile: InstrumentProfile, time: Long) throws -> String { | ||
| let schedule = try DXSchedule(instrumentProfile: profile) | ||
| var day: ScheduleDay? = try schedule.getDayByTime(time: getCurrentTime()) | ||
| var day: ScheduleDay? = try schedule.getDayByTime(time: time) | ||
| var dates = [String]() | ||
| dates.append("5 next holidays for \(profile.symbol): ") | ||
| for _ in 0..<5 { | ||
|
|
@@ -65,17 +93,21 @@ class ViewController: UIViewController { | |
| return dates.joined(separator: "\n") | ||
| } | ||
|
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| private func getSessions(_ profile: InstrumentProfile) throws -> String { | ||
| private func getSessions(_ profile: InstrumentProfile, time: Long) throws -> String { | ||
| let schedule = try DXSchedule(instrumentProfile: profile) | ||
| let session = try schedule.getSessionByTime(time: getCurrentTime()) | ||
| let session = try schedule.getSessionByTime(time: time) | ||
| let nextTradingSession = session.isTrading ? session : try session.getNext(filter: .trading) | ||
| let nearestSession = try schedule.getNearestSessionByTime(time: getCurrentTime(), filter: .trading) | ||
|
|
||
| func sessionDescription(_ session: ScheduleSession?) -> String { | ||
| guard let session = session else { | ||
| return "" | ||
| } | ||
| return "\(profile.symbol): \(session.type) \(TimeUtil.toLocalDateStringWithoutMillis(millis: session.startTime))-\(TimeUtil.toLocalDateStringWithoutMillis(millis: session.endTime))" | ||
| return """ | ||
| \(profile.symbol): \(session.type) \ | ||
| \(TimeUtil.toLocalDateStringWithoutMillis(millis: session.startTime))\ | ||
| -\(TimeUtil.toLocalDateStringWithoutMillis(millis: session.endTime)) | ||
| """ | ||
| } | ||
| return """ | ||
| Current session for \(profile.symbol): | ||
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