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feature: split strategy controller interface into several smaller ones
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389752161d
commit
ecc63f743f
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@ -56,15 +56,6 @@ func (it *CoreInteraction) FilterStrategyByInterface(checkInterface interface{})
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return strategies, found
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}
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func (it *CoreInteraction) GetStrategyController(strategy SingleExchangeStrategy) (controller StrategyControllerInterface, found bool) {
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if strategyController := reflect.ValueOf(&strategy).Elem().FieldByName("strategyController"); strategyController.IsValid() {
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controller = strategyController.Interface().(StrategyControllerInterface)
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return controller, true
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} else {
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return nil, false
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}
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}
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func GenerateStrategyButtonsForm(strategies []string) [][3]string {
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var buttonsForm [][3]string
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for _, strategy := range strategies {
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@ -231,11 +222,11 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
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i.PrivateCommand("/status", "Strategy Status", func(reply interact.Reply) error {
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// it.trader.exchangeStrategies
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// send symbol options
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if strategies, found := it.FilterStrategyByInterface((*StrategyControllerInterface)(nil)); found {
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if strategies, found := it.FilterStrategyByInterface((*StrategyStatusReader)(nil)); found {
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reply.AddMultipleButtons(GenerateStrategyButtonsForm(strategies))
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reply.Message("Please choose a strategy")
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} else {
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reply.Message("No strategy supports StrategyController")
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reply.Message("No strategy supports StrategyStatusReader")
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}
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return nil
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}).Next(func(signature string, reply interact.Reply) error {
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@ -245,10 +236,10 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
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return fmt.Errorf("strategy %s not found", signature)
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}
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controller, implemented := strategy.(StrategyControllerInterface)
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controller, implemented := strategy.(StrategyStatusReader)
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if !implemented {
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reply.Message(fmt.Sprintf("Strategy %s does not support StrategyController", signature))
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return fmt.Errorf("strategy %s does not implement StrategyController", signature)
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reply.Message(fmt.Sprintf("Strategy %s does not support StrategyStatusReader", signature))
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return fmt.Errorf("strategy %s does not implement StrategyStatusReader", signature)
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}
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status := controller.GetStatus()
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@ -269,11 +260,11 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
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i.PrivateCommand("/suspend", "Suspend Strategy", func(reply interact.Reply) error {
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// it.trader.exchangeStrategies
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// send symbol options
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if strategies, found := it.FilterStrategyByInterface((*StrategyControllerInterface)(nil)); found {
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if strategies, found := it.FilterStrategyByInterface((*StrategyToggler)(nil)); found {
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reply.AddMultipleButtons(GenerateStrategyButtonsForm(strategies))
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reply.Message("Please choose one strategy")
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} else {
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reply.Message("No strategy supports StrategyController")
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reply.Message("No strategy supports StrategyToggler")
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}
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return nil
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}).Next(func(signature string, reply interact.Reply) error {
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@ -283,10 +274,10 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
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return fmt.Errorf("strategy %s not found", signature)
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}
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controller, implemented := strategy.(StrategyControllerInterface)
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controller, implemented := strategy.(StrategyToggler)
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if !implemented {
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reply.Message(fmt.Sprintf("Strategy %s does not support StrategyController", signature))
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return fmt.Errorf("strategy %s does not implement StrategyController", signature)
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reply.Message(fmt.Sprintf("Strategy %s does not support StrategyToggler", signature))
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return fmt.Errorf("strategy %s does not implement StrategyToggler", signature)
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}
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// Check strategy status before suspend
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@ -311,11 +302,11 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
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i.PrivateCommand("/resume", "Resume Strategy", func(reply interact.Reply) error {
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// it.trader.exchangeStrategies
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// send symbol options
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if strategies, found := it.FilterStrategyByInterface((*StrategyControllerInterface)(nil)); found {
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if strategies, found := it.FilterStrategyByInterface((*StrategyToggler)(nil)); found {
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reply.AddMultipleButtons(GenerateStrategyButtonsForm(strategies))
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reply.Message("Please choose one strategy")
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} else {
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reply.Message("No strategy supports StrategyController")
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reply.Message("No strategy supports StrategyToggler")
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}
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return nil
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}).Next(func(signature string, reply interact.Reply) error {
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@ -325,10 +316,10 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
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return fmt.Errorf("strategy %s not found", signature)
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}
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controller, implemented := strategy.(StrategyControllerInterface)
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controller, implemented := strategy.(StrategyToggler)
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if !implemented {
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reply.Message(fmt.Sprintf("Strategy %s does not support StrategyController", signature))
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return fmt.Errorf("strategy %s does not implement StrategyController", signature)
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reply.Message(fmt.Sprintf("Strategy %s does not support StrategyToggler", signature))
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return fmt.Errorf("strategy %s does not implement StrategyToggler", signature)
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}
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// Check strategy status before suspend
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@ -353,11 +344,11 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
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i.PrivateCommand("/emergencystop", "Emergency Stop", func(reply interact.Reply) error {
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// it.trader.exchangeStrategies
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// send symbol options
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if strategies, found := it.FilterStrategyByInterface((*StrategyControllerInterface)(nil)); found {
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if strategies, found := it.FilterStrategyByInterface((*EmergencyStopper)(nil)); found {
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reply.AddMultipleButtons(GenerateStrategyButtonsForm(strategies))
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reply.Message("Please choose one strategy")
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} else {
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reply.Message("No strategy supports StrategyController")
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reply.Message("No strategy supports EmergencyStopper")
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}
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return nil
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}).Next(func(signature string, reply interact.Reply) error {
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@ -367,10 +358,10 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
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return fmt.Errorf("strategy %s not found", signature)
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}
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controller, implemented := strategy.(StrategyControllerInterface)
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controller, implemented := strategy.(EmergencyStopper)
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if !implemented {
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reply.Message(fmt.Sprintf("Strategy %s does not support StrategyController", signature))
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return fmt.Errorf("strategy %s does not implement StrategyController", signature)
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reply.Message(fmt.Sprintf("Strategy %s does not support EmergencyStopper", signature))
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return fmt.Errorf("strategy %s does not implement EmergencyStopper", signature)
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}
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if kc, ok := reply.(interact.KeyboardController); ok {
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@ -71,9 +71,16 @@ func (s *StrategyController) EmitEmergencyStop() error {
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}
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}
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type StrategyControllerInterface interface {
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type StrategyStatusReader interface {
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GetStatus() types.StrategyStatus
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}
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type StrategyToggler interface {
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StrategyStatusReader
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Suspend() error
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Resume() error
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}
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type EmergencyStopper interface {
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EmergencyStop() error
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}
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