impl experiment, remote-config, embedding, user propoerties

ios/Example/Nativebrik_Example/Nativebrik_Example/ContentView.swift

@@ -144,7 +144,18 @@ Morondava is a charming coastal town located on the western coast of Madagascar.
  Text("Loading")
  }
  }.frame(width: nil, height: 270)
-
+ nativebrik
+ .experiment
+ .remoteConfigAsView(id: "cjm5piq23akg008u0km0") { phase in
+ switch phase {
+ case .failure:
+ Text("error")
+ case .loading:
+ Text("loading")
+ case .completed(let variant):
+ Text(variant.getAsString("text") ?? "Not Found")
+ }
+ }
  ForEach(self.items, id: \.title) { item in
  item.padding()
  }

ios/Nativebrik/Classes/component.swift

@@ -229,6 +229,7 @@ struct ComponentSwiftView: View {
  }
  }
  self.data = ComponentSwiftViewModel()
+ self.data.fetchComponentAndUpdatePhase(experimentId: experimentId, componentId: componentId, config: config, repositories: repositories, modalViewController: modalViewController)
  }
 
  init<V: View>(
@@ -243,6 +244,7 @@ struct ComponentSwiftView: View {
  AnyView(content(phase))
  }
  self.data = ComponentSwiftViewModel()
+ self.data.fetchComponentAndUpdatePhase(experimentId: experimentId, componentId: componentId, config: config, repositories: repositories, modalViewController: modalViewController)
  }
 
  init<I: View, P: View>(
@@ -263,9 +265,10 @@ struct ComponentSwiftView: View {
  }
  }
  self.data = ComponentSwiftViewModel()
+ self.data.fetchComponentAndUpdatePhase(experimentId: experimentId, componentId: componentId, config: config, repositories: repositories, modalViewController: modalViewController)
  }
 
- public var body: some View {
+ var body: some View {
  self.content(data.phase)
  }
 }

ios/Nativebrik/Classes/embedding.swift

@@ -12,16 +12,20 @@ import YogaKit
 
 
 class EmbeddingUIView: ComponentUIView {
+ private let user: NativebrikUser
  required init?(coder: NSCoder) {
+ self.user = NativebrikUser()
  super.init(coder: coder)
  }
  init(
  experimentId: String,
+ user: NativebrikUser,
  config: Config,
  repositories: Repositories,
  modalViewController: ModalComponentViewController?,
  fallback: ((_ phase: ComponentPhase) -> UIView)?
  ) {
+ self.user = user
  super.init(
  config: config,
  repositories: repositories,
@@ -36,15 +40,18 @@ class EmbeddingUIView: ComponentUIView {
  self?.renderFallback(phase: .failure)
  return
  }
- guard let config = extractExperimentConfigMatchedToProperties(configs: configs, properties: []) else {
+ guard let config = extractExperimentConfigMatchedToProperties(configs: configs, properties: { seed in
+ return self?.user.toEventProperties(seed: seed) ?? []
+ }) else {
  self?.renderFallback(phase: .failure)
  return
  }
  if config.kind != .EMBED {
  self?.renderFallback(phase: .failure)
  return
  }
- guard let variant = extractExperimentVariant(config: config, normalizedUsrRnd: 1.0) else {
+ let normalizedUsrRnd = self?.user.getSeededNormalizedUserRnd(seed: config.seed ?? 0) ?? 0.0
+ guard let variant = extractExperimentVariant(config: config, normalizedUsrRnd: normalizedUsrRnd) else {
  self?.renderFallback(phase: .failure)
  return
  }
@@ -61,6 +68,10 @@ class EmbeddingUIView: ComponentUIView {
 }
 
 class EmbeddingSwiftViewModel: ComponentSwiftViewModel {
+ private let user: NativebrikUser
+ init(user: NativebrikUser) {
+ self.user = user
+ }
  func fetchAndUpdatePhase(
  experimentId: String,
  config: Config,
@@ -75,15 +86,18 @@ class EmbeddingSwiftViewModel: ComponentSwiftViewModel {
  self?.phase = .failure
  return
  }
- guard let experimentConfig = extractExperimentConfigMatchedToProperties(configs: configs, properties: []) else {
+ guard let experimentConfig = extractExperimentConfigMatchedToProperties(configs: configs, properties: { seed in
+ return self?.user.toEventProperties(seed: seed) ?? []
+ }) else {
  self?.phase = .failure
  return
  }
  if experimentConfig.kind != .EMBED {
  self?.phase = .failure
  return
  }
- guard let variant = extractExperimentVariant(config: experimentConfig, normalizedUsrRnd: 1.0) else {
+ let normalizedUsrRnd = self?.user.getSeededNormalizedUserRnd(seed: experimentConfig.seed ?? 0) ?? 0.0
+ guard let variant = extractExperimentVariant(config: experimentConfig, normalizedUsrRnd: normalizedUsrRnd) else {
  self?.phase = .failure
  return
  }
@@ -112,6 +126,7 @@ struct EmbeddingSwiftView: View {
 
  init(
  experimentId: String,
+ user: NativebrikUser,
  config: Config,
  repositories: Repositories,
  modalViewController: ModalComponentViewController?
@@ -124,7 +139,7 @@ struct EmbeddingSwiftView: View {
  return AnyView(ProgressView())
  }
  }
- self.data = EmbeddingSwiftViewModel()
+ self.data = EmbeddingSwiftViewModel(user: user)
  self.data.fetchAndUpdatePhase(
  experimentId: experimentId,
  config: config,
@@ -135,6 +150,7 @@ struct EmbeddingSwiftView: View {
 
  init<V: View>(
  experimentId: String,
+ user: NativebrikUser,
  config: Config,
  repositories: Repositories,
  modalViewController: ModalComponentViewController?,
@@ -143,7 +159,7 @@ struct EmbeddingSwiftView: View {
  self.content = { phase in
  AnyView(content(phase))
  }
- self.data = EmbeddingSwiftViewModel()
+ self.data = EmbeddingSwiftViewModel(user: user)
  self.data.fetchAndUpdatePhase(
  experimentId: experimentId,
  config: config,
@@ -154,6 +170,7 @@ struct EmbeddingSwiftView: View {
 
  init<I: View, P: View>(
  experimentId: String,
+ user: NativebrikUser,
  config: Config,
  repositories: Repositories,
  modalViewController: ModalComponentViewController?,
@@ -168,7 +185,7 @@ struct EmbeddingSwiftView: View {
  return AnyView(placeholder())
  }
  }
- self.data = EmbeddingSwiftViewModel()
+ self.data = EmbeddingSwiftViewModel(user: user)
  self.data.fetchAndUpdatePhase(
  experimentId: experimentId,
  config: config,

ios/Nativebrik/Classes/experiment.swift

@@ -30,6 +30,10 @@ func extractExperimentVariant(config: ExperimentConfig, normalizedUsrRnd: Double
  return baseline
  }
 
+ if variants.count == 0 {
+ return baseline
+ }
+
  let baselineWeight = baseline.weight ?? 1
  var weights = [baselineWeight]
  var weightSum = baselineWeight
@@ -40,15 +44,16 @@ func extractExperimentVariant(config: ExperimentConfig, normalizedUsrRnd: Double
  }
 
  // here is calculation of the picking from the probability.
- // X is selected when p_X(x) < F_X(x)
+ // X is selected when p_X(x) >= F_X(x)
  // where F_X(x) := Integral p_X(t)dt, the definition of comulative distribution function
  var comulativeDistributionValue: Double = 0.0
  var selectedVariantIndex: Int = 0
  for (index, weight) in weights.enumerated() {
  let probability: Double = Double(weight) / Double(weightSum)
  comulativeDistributionValue += probability
+ print(comulativeDistributionValue, index)
 
- if comulativeDistributionValue < normalizedUsrRnd {
+ if comulativeDistributionValue >= normalizedUsrRnd {
  selectedVariantIndex = index
  break
  }
@@ -61,7 +66,7 @@ func extractExperimentVariant(config: ExperimentConfig, normalizedUsrRnd: Double
  return variants[selectedVariantIndex - 1]
 }
 
-func extractExperimentConfigMatchedToProperties(configs: ExperimentConfigs, properties: [EventProperty]) -> ExperimentConfig? {
+func extractExperimentConfigMatchedToProperties(configs: ExperimentConfigs, properties: (_ seed: Int) -> [EventProperty]) -> ExperimentConfig? {
  guard let configs = configs.configs else {
  return nil
  }
@@ -72,7 +77,7 @@ func extractExperimentConfigMatchedToProperties(configs: ExperimentConfigs, prop
  guard let distribution = config.distribution else {
  return true
  }
- return isInDistribution(distribution: distribution, properties: properties)
+ return isInDistribution(distribution: distribution, properties: properties(config.seed ?? 0))
  }
 }
 

ios/Nativebrik/Classes/overlay.swift

@@ -13,8 +13,8 @@ class OverlayViewController: UIViewController {
  let modalForTriggerViewController: ModalComponentViewController = ModalComponentViewController()
  let triggerViewController: TriggerViewController
 
- init(config: Config, repositories: Repositories) {
- self.triggerViewController = TriggerViewController(config: config, repositories: repositories, modalViewController: self.modalForTriggerViewController)
+ init(user: NativebrikUser, config: Config, repositories: Repositories) {
+ self.triggerViewController = TriggerViewController(user: user, config: config, repositories: repositories, modalViewController: self.modalForTriggerViewController)
  super.init(nibName: nil, bundle: nil)
 
  self.addChild(self.modalViewController)