slang_retail_assistant 8.4.0

slang_retail_assistant: ^8.4.0 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:slang_retail_assistant/slang_retail_assistant.dart';
import 'dart:convert';

void main() {
  runApp(new MaterialApp(
    home: new MyApp(),
    debugShowCheckedModeBanner: false,
  ));
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp>
    implements
        RetailAssistantAction,
        RetailAssistantLifeCycleObserver,
        RetailAssistantVoiceAssistListener {
  String _searchText = '';
  SearchUserJourney _searchUserJourney;
  NavigationUserJourney _navigationUserJourney;
  OrderManagementUserJourney _orderManagementUserJourney;
  String stringSearchAppState;
  Condition appStateCondition;
  String stringNavigationAppState;
  String stringOrderManagementAppState;
  int mOrderIndex = -1;

  @override
  void initState() {
    super.initState();
    initSlangRetailAssistant();
  }

  void initSlangRetailAssistant() {
    var positionConfig = new AssistantUIPosition()
      ..baseUIPosition = BaseUIPosition.BOTTOM_CENTER
      ..offsetY = -56
      ..isForced = true
      ..isDraggable = true;

    var assistantConfig = new AssistantConfiguration()
      ..assistantId = "AssistantId"
      ..apiKey = "APIKey"
      ..triggerStyle = AssistantTriggerStyle.FLAT
      ..surfaceStyle = AssistantSurfaceStyle.MINIMAL_CARD
      ..uiPosition = positionConfig;

    SlangRetailAssistant.initialize(assistantConfig);
    SlangRetailAssistant.setAction(this);
    SlangRetailAssistant.setLifecycleObserver(this);

    SearchUserJourney.getContext().clear();
    SearchUserJourney.disablePreserveContext();
    OrderManagementUserJourney.getContext().clear();
    OrderManagementUserJourney.disablePreserveContext();
    NavigationUserJourney.getContext().clear();
    NavigationUserJourney.disablePreserveContext();
  }

  @override
  void onAssistantError(Map<String, String> assistantError) {
    print("AssistantError main.dart" + assistantError.toString());
  }

  @override
  SearchAppState onSearch(
      SearchInfo searchInfo, SearchUserJourney searchUserJourney) {
    _searchUserJourney = searchUserJourney;
    setState(() {
      try {
        JsonEncoder encoder = new JsonEncoder.withIndent('  ');
        String searchMapString = encoder.convert(searchInfo);
        _searchText = searchMapString;
      } catch (e) {
        print(e);
      }
    });
    _showAppStateDialogForSearch().then((value) => (stringSearchAppState !=
            'unsupported')
        ? _showAppStateConditionDialogForSearch().then((value) =>
            (stringSearchAppState == 'search_results')
                ? _searchUserJourney
                    .notifyAppState(new SearchResultAppState(appStateCondition))
                : _searchUserJourney
                    .notifyAppState(new AddToCartAppState(appStateCondition)))
        : _searchUserJourney.notifyAppState(new UnSupportedAppState()));
    return new WaitingAppState();
  }

  @override
  NavigationAppState onNavigation(
      navigationInfo, NavigationUserJourney navigationUserJourney) {
    _navigationUserJourney = navigationUserJourney;

    _showAppStateDialogForNavigation().then((value) =>
        stringNavigationAppState != 'unsupported'
            ? _showAppStateConditionDialogForNavigation().then((value) =>
                _navigationUserJourney.notifyAppState(
                    new NavigationCompleteAppState(appStateCondition)))
            : _navigationUserJourney.notifyAppState(new UnSupportedAppState()));
    return new WaitingAppState();
  }

  @override
  OrderManagementAppState onOrderManagement(OrderInfo orderInfo,
      OrderManagementUserJourney orderManagementUserJourney) {
    _orderManagementUserJourney = orderManagementUserJourney;
    if (orderInfo.index != null) {
      setState(() {
        mOrderIndex = orderInfo.index;
      });
    }
    _showAppStateDialogForOrderManagement().then((value) =>
        (stringOrderManagementAppState != 'unsupported')
            ? _showAppStateConditionDialogForOrderManagement().then((value) =>
                (stringOrderManagementAppState == 'view_order')
                    ? _orderManagementUserJourney.notifyAppState(
                        new OrderViewAppState(appStateCondition))
                    : _orderManagementUserJourney.notifyAppState(
                        new OrderCancelAppState(appStateCondition)))
            : _orderManagementUserJourney
                .notifyAppState(new UnSupportedAppState()));
    return new WaitingAppState();
  }

  @override
  Widget build(BuildContext context) {
    SlangRetailAssistant.getUI().showTrigger();
    return MaterialApp(
        debugShowCheckedModeBanner: false,
        home: Scaffold(
            appBar: AppBar(
              title: const Text('Slang Retail PlayGround App'),
            ),
            body: Center(
                child: Column(
              mainAxisSize: MainAxisSize.max,
              children: [
                Container(height: 16), // set height
                TextButton(
                  child: Text(
                    'Show Trigger',
                    style: TextStyle(fontSize: 20.0),
                  ),
                  onPressed: () {
                    SlangRetailAssistant.getUI().showTrigger();
                  },
                ),
                Container(height: 16), // set height
                TextButton(
                  child: Text(
                    'Hide Trigger',
                    style: TextStyle(fontSize: 20.0),
                  ),
                  onPressed: () {
                    SlangRetailAssistant.getUI().hideTrigger();
                  },
                ),
                Container(height: 16), // set height
                TextButton(
                  child: Text(
                    'Clear UJ Context',
                    style: TextStyle(fontSize: 20.0),
                  ),
                  onPressed: () {
                    SearchUserJourney.getContext().clear();
                    OrderManagementUserJourney.getContext().clear();
                    NavigationUserJourney.getContext().clear();
                  },
                ),
                Container(height: 16), // set height
                TextButton(
                  child: Text(
                    'Notify Non-Voice Search',
                    style: TextStyle(fontSize: 20.0),
                  ),
                  onPressed: () {
                    SlangRetailAssistant.notifyNonVoiceSearch("potato");
                  },
                ),
                Container(height: 16), // set height
                Flexible(
                    child: FractionallySizedBox(
                        widthFactor: 0.9,
                        heightFactor: 0.98,
                        child: SingleChildScrollView(
                            physics: const AlwaysScrollableScrollPhysics(),
                            child: Container(
                              height: MediaQuery.of(context).size.height,
                              decoration: new BoxDecoration(
                                shape: BoxShape.rectangle,
                                color: Colors.black,
                              ),
                              child: Padding(
                                padding: const EdgeInsets.all(16.0),
                                child: Text(
                                  '$_searchText\n',
                                  style: TextStyle(
                                      fontSize: 20.0,
                                      fontWeight: FontWeight.bold,
                                      color: Colors.white),
                                ),
                              ),
                            ))))
              ],
            ))));
  }

  Future<void> _showAppStateDialogForSearch() async {
    return showDialog<void>(
      context: context,
      barrierDismissible: false, // user must tap button!
      builder: (BuildContext context) {
        return AlertDialog(
          elevation: 24.0,
          title: Text('Search App State'),
          content: SingleChildScrollView(
            child: ListBody(
              children: <Widget>[
                Text('Please select the search App state'),
              ],
            ),
          ),
          actions: <Widget>[
            TextButton(
              child: Text('ADD_TO_CART'),
              onPressed: () {
                setState(() {
                  stringSearchAppState = 'add_to_cart';
                });
                Navigator.of(context).pop();
              },
            ),
            TextButton(
              child: Text('SEARCH_RESULTS'),
              onPressed: () {
                setState(() {
                  stringSearchAppState = 'search_results';
                });
                Navigator.of(context).pop();
              },
            ),
            TextButton(
              child: Text('UNSUPPORTED'),
              onPressed: () {
                setState(() {
                  stringSearchAppState = 'unsupported';
                });
                Navigator.of(context).pop();
              },
            )
          ],
        );
      },
    );
  }

  Future<void> _showAppStateConditionDialogForSearch() async {
    return showDialog<void>(
      context: context,
      barrierDismissible: false, // user must tap button!
      builder: (BuildContext context) {
        return AlertDialog(
          elevation: 24.0,
          title: Text('Search App State'),
          content: Column(
            children: <Widget>[..._widgetListForSearchAppStateCondition],
          ),
        );
      },
    );
  }

  List<Widget> get _widgetListForSearchAppStateCondition {
    List<Widget> list = [];
    list.addAll([
      TextButton(
        child: Text('Success'),
        onPressed: () {
          appStateCondition = SearchResultAppState.success;
          Navigator.of(context).pop();
        },
      ),
      TextButton(
        child: Text('Failure'),
        onPressed: () {
          appStateCondition = SearchResultAppState.failure;
          Navigator.of(context).pop();
        },
      ),
      TextButton(
        child: Text('Item Not Found'),
        onPressed: () {
          appStateCondition = SearchResultAppState.itemNotFound;
          Navigator.of(context).pop();
        },
      ),
      TextButton(
        child: Text('Item Not Specified'),
        onPressed: () {
          appStateCondition = SearchResultAppState.itemNotSpecified;
          Navigator.of(context).pop();
        },
      ),
      TextButton(
        child: Text('Item Out of Stock'),
        onPressed: () {
          appStateCondition = SearchResultAppState.itemOutOfStock;
          Navigator.of(context).pop();
        },
      )
    ]);
    if (stringSearchAppState != null && stringSearchAppState == 'add_to_cart') {
      list.addAll([
        TextButton(
          child: Text('Item Ambiguous'),
          onPressed: () {
            appStateCondition = AddToCartAppState.itemAmbiguous;
            Navigator.of(context).pop();
          },
        ),
        TextButton(
          child: Text('Item Ambiguous Force UI'),
          onPressed: () {
            appStateCondition = AddToCartAppState.itemAmbiguousForceUI;
            Navigator.of(context).pop();
          },
        ),
        TextButton(
          child: Text('Item Quantity Required'),
          onPressed: () {
            appStateCondition = AddToCartAppState.itemQuantityRequired;
            Navigator.of(context).pop();
          },
        )
      ]);
    }
    return list;
  }

  Future<void> _showAppStateDialogForNavigation() async {
    return showDialog<void>(
      context: context,
      barrierDismissible: false, // user must tap button!
      builder: (BuildContext context) {
        return AlertDialog(
          elevation: 24.0,
          title: Text('Navigation App State'),
          content: SingleChildScrollView(
            child: ListBody(
              children: <Widget>[
                Text('Please select the Navigation App state'),
              ],
            ),
          ),
          actions: <Widget>[
            TextButton(
              child: Text('NAVIGATION'),
              onPressed: () {
                setState(() {
                  stringNavigationAppState = 'navigation';
                });
                Navigator.of(context).pop();
              },
            ),
            TextButton(
              child: Text('UNSUPPORTED'),
              onPressed: () {
                setState(() {
                  stringNavigationAppState = 'unsupported';
                });
                Navigator.of(context).pop();
              },
            )
          ],
        );
      },
    );
  }

  Future<void> _showAppStateConditionDialogForNavigation() async {
    return showDialog<void>(
      context: context,
      barrierDismissible: false, // user must tap button!
      builder: (BuildContext context) {
        return AlertDialog(
          elevation: 24.0,
          title: Text('Navigation AppState Condition'),
          actions: [
            TextButton(
              child: Text('Success'),
              onPressed: () {
                appStateCondition = NavigationCompleteAppState.success;
                Navigator.of(context).pop();
              },
            ),
            TextButton(
              child: Text('Failure'),
              onPressed: () {
                appStateCondition = NavigationCompleteAppState.failure;
                Navigator.of(context).pop();
              },
            ),
          ],
        );
      },
    );
  }

  Future<void> _showAppStateDialogForOrderManagement() async {
    return showDialog<void>(
      context: context,
      barrierDismissible: false, // user must tap button!
      builder: (BuildContext context) {
        return AlertDialog(
          elevation: 24.0,
          title: Text('OrderManagement App State'),
          content: SingleChildScrollView(
            child: ListBody(
              children: <Widget>[
                Text('Please select the OrderManagement App state'),
              ],
            ),
          ),
          actions: <Widget>[
            TextButton(
              child: Text('VIEW_ORDER'),
              onPressed: () {
                setState(() {
                  stringOrderManagementAppState = 'view_order';
                });
                Navigator.of(context).pop();
              },
            ),
            TextButton(
              child: Text('CANCEL_ORDER'),
              onPressed: () {
                setState(() {
                  stringOrderManagementAppState = 'cancel_order';
                });
                Navigator.of(context).pop();
              },
            ),
            TextButton(
              child: Text('UNSUPPORTED'),
              onPressed: () {
                setState(() {
                  stringOrderManagementAppState = 'unsupported';
                });
                Navigator.of(context).pop();
              },
            )
          ],
        );
      },
    );
  }

  Future<void> _showAppStateConditionDialogForOrderManagement() async {
    return showDialog<void>(
      context: context,
      barrierDismissible: false, // user must tap button!
      builder: (BuildContext context) {
        return AlertDialog(
          elevation: 24.0,
          title: Text('OrderManagement App State'),
          content: SingleChildScrollView(
              child: ListBody(
            children: <Widget>[
              ..._widgetListForOrderManagementAppStateCondition
            ],
          )),
        );
      },
    );
  }

  List<Widget> get _widgetListForOrderManagementAppStateCondition {
    List<Widget> list = [];
    list.addAll([
      TextButton(
        child: Text('Success'),
        onPressed: () {
          appStateCondition = OrderViewAppState.success;
          Navigator.of(context).pop();
        },
      ),
      TextButton(
        child: Text('Failure'),
        onPressed: () {
          appStateCondition = OrderViewAppState.failure;
          Navigator.of(context).pop();
        },
      ),
      TextButton(
        child: Text('Order Not Found'),
        onPressed: () {
          appStateCondition = OrderViewAppState.orderNotFound;
          Navigator.of(context).pop();
        },
      )
    ]);
    if (stringOrderManagementAppState != null &&
        stringOrderManagementAppState == 'view_order') {
      list.addAll([
        TextButton(
          child: Text('Empty Order'),
          onPressed: () {
            appStateCondition = OrderViewAppState.orderHistoryEmpty;
            Navigator.of(context).pop();
          },
        )
      ]);
    }
    if (stringOrderManagementAppState != null &&
        stringOrderManagementAppState == 'cancel_order') {
      list.addAll([
        TextButton(
          child: Text('Cancel Confirmation Required'),
          onPressed: () {
            appStateCondition =
                OrderCancelAppState.orderCancelConfirmationRequired;
            Navigator.of(context).pop();
          },
        ),
        TextButton(
          child: Text('User Confirmed Cancel'),
          onPressed: () {
            appStateCondition = OrderCancelAppState.orderCancelUserConfirmed;
            Navigator.of(context).pop();
          },
        ),
        TextButton(
          child: Text('User Denied Cancel'),
          onPressed: () {
            appStateCondition = OrderCancelAppState.orderCancelUserDenied;
            Navigator.of(context).pop();
          },
        ),
      ]);
    }
    return list;
  }

  @override
  void onAssistantClosed(bool isCancelled) {
    print("onAssistantClosed " + isCancelled.toString());
  }

  @override
  void onAssistantInitFailure(String description) {
    print("onAssistantInitFailure " + description);
  }

  @override
  void onAssistantInitSuccess() {
    print("onAssistantInitSuccess");
  }

  @override
  void onAssistantInvoked() {
    print("onAssistantInvoked");
  }

  @override
  void onAssistantLocaleChanged(Map<String, String> locale) {
    print("onAssistantLocaleChanged " + locale.toString());
  }

  @override
  void onOnboardingFailure() {
    print("onOnboardingFailure");
  }

  @override
  void onOnboardingSuccess() {
    print("onOnboardingSuccess");
  }

  @override
  void onUnrecognisedUtterance(String utterance) {
    print("onUnrecognisedUtterance " + utterance);
  }

  @override
  void onUtteranceDetected(String utterance) {
    print("onUtteranceDetected " + utterance);
  }

  @override
  void onMicPermissionDenied() {
    print("onMicPermissionDenied");
  }

  @override
  void onMicPermissionGranted() {
    print("onMicPermissionDenied");
  }

  @override
  void onCoachmarkAction(AssistantCoachmarkType coachmarkType,
      AssistantCoachmarkAction coachmarkAction) {
    print(
        "onCoachmarkAction CoachmarkType=$coachmarkType CoachmarkAction=$coachmarkAction");
  }

  @override
  void onVoiceAssistEnd(String promptId, String promptText, bool b) {
    print("onVoiceAssistEnd promptId " +
        promptId +
        " promptText " +
        promptText +
        " boolean " +
        b.toString());
  }

  @override
  void onVoiceAssistStart(String promptId, String promptText) {
    print("onVoiceAssistStart promptId " +
        promptId +
        " promptText " +
        promptText);
  }
}