Usage

import 'package:mparticle_flutter_sdk/mparticle_flutter_sdk.dart';

MparticleFlutterSdk? mpInstance = await MparticleFlutterSdk.getInstance();

import 'package:mparticle_flutter_sdk/events/event_type.dart';
import 'package:mparticle_flutter_sdk/events/mp_event.dart';

MPEvent event = MPEvent('Clicked Search Bar', EventType.Search)
  ..customAttributes = { 'key1': 'value1' }
  ..customFlags = { 'flag1': 'value1' };
mpInstance?.logEvent(event);

import 'package:mparticle_flutter_sdk/events/event_type.dart';
import 'package:mparticle_flutter_sdk/events/mp_event.dart';

MPEvent event = MPEvent('Test event logged', EventType.Navigation)
  ..customAttributes = {'key1': 'value1'}
  ..customFlags = {'flag1': 'flagValue1'}
  ..shouldUploadEvent = false;
mpInstance?.logEvent(event);

import 'package:mparticle_flutter_sdk/events/screen_event.dart';

ScreenEvent screenEvent = ScreenEvent('Screen event logged')
  ..customAttributes = { 'key1': 'value1' }
  ..customFlags = { 'flag1': 'value1' };
mpInstance?.logScreenEvent(screenEvent);

import 'package:mparticle_flutter_sdk/events/commerce_event.dart';
import 'package:mparticle_flutter_sdk/events/product.dart';
import 'package:mparticle_flutter_sdk/events/product_action_type.dart';
import 'package:mparticle_flutter_sdk/events/transaction_attributes.dart';

final Product product1 = Product('Orange', '123abc', 5.0, 1);
final Product product2 = Product('Apple', '456abc', 10.5, 2);
final TransactionAttributes transactionAttributes =
  TransactionAttributes('123456', 'affiliation', '12412342',
      1.34, 43.232, 242.2323);
CommerceEvent commerceEvent = CommerceEvent.withProduct(ProductActionType.Purchase, product1)
    ..products.add(product2)
    ..transactionAttributes = transactionAttributes
    ..currency = 'US'
    ..screenName = 'One Click Purchase';
mpInstance?.logCommerceEvent(commerceEvent);

import 'package:mparticle_flutter_sdk/events/commerce_event.dart';
import 'package:mparticle_flutter_sdk/events/promotion.dart';
import 'package:mparticle_flutter_sdk/events/promotion_action_type.dart';

final Promotion promotion1 = Promotion('12312', 'Jennifer Slater', 'BOGO Bonanza', 'top');
final Promotion promotion2 = Promotion('15632', 'Gregor Roman', 'Eco Living', 'mid');

CommerceEvent commerceEvent = CommerceEvent.withPromotion(PromotionActionType.View, promotion1)
    ..promotions.add(promotion2)
    ..currency = 'US'
    ..screenName = 'PromotionScreen';
mpInstance?.logCommerceEvent(commerceEvent);

import 'package:mparticle_flutter_sdk/events/commerce_event.dart';
import 'package:mparticle_flutter_sdk/events/impression.dart';
import 'package:mparticle_flutter_sdk/events/product.dart';

final Product product1 = Product('Orange', '123abc', 2.4, 1);
final Product product2 = Product('Apple', '456abc', 4.1, 2);
final Impression impression1 = Impression('produce', [product1, product2]);
final Impression impression2 = Impression('citrus', [product1]);
CommerceEvent commerceEvent = CommerceEvent.withImpression(impression1)
  ..impressions.add(impression2)
  ..currency = 'US'
  ..screenName = 'ImpressionScreen';
mpInstance?.logCommerceEvent(commerceEvent);

var user = await mpInstance?.getCurrentUser();

user?.setUserAttribute('age', '45');

user?.setUserAttributeArray('Test key', ['Test value 1', 'Test value 2']);

user?.setUserTag('tag1');

user?.getUserAttributes();

user?.removeUserAttribute('age')

user?.getUserIdentities().then((identities) {
    print(identities); // Map<IdentityType, String>
});

import 'package:mparticle_flutter_sdk/identity/identity_type.dart';

var identityRequest = MparticleFlutterSdk.identityRequest;
identityRequest
    .setIdentity(IdentityType.CustomerId, 'customerid5')
    .setIdentity(IdentityType.Email, 'email5@gmail.com');

import 'package:mparticle_flutter_sdk/identity/identity_api_result.dart';
import 'package:mparticle_flutter_sdk/identity/identity_api_error_response.dart';

var request = MparticleFlutterSdk.identityRequest();

mpInstance?.identity
    .identify(identityRequest: identityRequest)
    .then(
        (IdentityApiResult successResponse) =>
            print("Success Response: $successResponse"),
        onError: (error) {
            var failureResponse = error as IdentityAPIErrorResponse;
            print("Failure Response: $failureResponse");

            // It is possible for either a client error or a server error to occur during identity calls.
            // First check for the client side error, then you can check the http code for the server error.
            // More details can be found in the platform specific IDSync error handling:
                // iOS - https://docs.mparticle.com/developers/client-sdks/ios/idsync/#error-handling
                // Web - https://docs.mparticle.com/developers/client-sdks/web/idsync/#error-handling
                // Android - https://docs.mparticle.com/developers/client-sdks/android/idsync/#idsync-status-codes
            if (failureResponse.clientErrorCode != null) {
                switch (failureResponse.clientErrorCode) {
                case IdentityClientErrorCodes.RequestInProgress:
                    // there is an Identity request in progress, wait for it to complete before attempting another
                case IdentityClientErrorCodes.ClientSideTimeout:
                case IdentityClientErrorCodes.ClientNoConnection:
                    // retry the IDSync request
                case IdentityClientErrorCodes.SSLError:
                    // SSL configuration issue. 
                case IdentityClientErrorCodes.OptOut:
                    // The user has opted out of data collection
                case IdentityClientErrorCodes.Unknown:
                    // 
                case IdentityClientErrorCodes.ActiveSession:
                case IdentityClientErrorCodes.ValidationIssue:
                    // A web error that should never arise due to Dart's stronger typing
                case IdentityClientErrorCodes.NativeIdentityRequest:
                default:
                    print(failureResponse.clientErrorCode);
                }
            }
            int? httpCode = failureResponse.httpCode;
            if (httpCode != null && httpCode >= 400) {
                switch (httpCode) {
                case 400:
                case 401:
                case 429:
                case 529:
                default:
                    failureResponse.errors.forEach(
                        (error) => print('${error.code}\n${error.message}'));
                }
            }
        }
    );

var identityRequest = MparticleFlutterSdk.identityRequest;
identityRequest
    .setIdentity(IdentityType.CustomerId, 'customerid2')
    .setIdentity(IdentityType.Email, 'email2@gmail.com');

mpInstance?.identity
    .login(identityRequest: identityRequest)
    .then(
        (IdentityApiResult successResponse) =>
            print("Success Response: $successResponse"),
        onError: (error) {
            var failureResponse = error as IdentityAPIErrorResponse;
            print("Failure Response: $failureResponse");
        }
    );

var identityRequest = MparticleFlutterSdk.identityRequest;
identityRequest
    .setIdentity(IdentityType.CustomerId, 'customerid3')
    .setIdentity(IdentityType.Email, 'email3@gmail.com');

mpInstance?.identity
    .modify(identityRequest: identityRequest)
    .then(
        (IdentityApiResult successResponse) =>
            print("Success Response: $successResponse"),
        onError: (error) {
            var failureResponse = error as IdentityAPIErrorResponse;
            print("Failure Response: $failureResponse");
        }
    );

var identityRequest = MparticleFlutterSdk.identityRequest;
// Depending on your identity strategy, you may have identities added to your identityRequest
// To log out, insert the identities used for login and set value to empty ('')
identityRequest
    .setIdentity(IdentityType.CustomerId, '')
    .setIdentity(IdentityType.Email, '');

mpInstance?.identity
    .logout(identityRequest: identityRequest)
    .then(
        (IdentityApiResult successResponse) =>
            print("Success Response: $successResponse"),
        onError: (error) {
            var failureResponse = error as IdentityAPIErrorResponse;
            print("Failure Response: $failureResponse");
        }
    );

mpInstance?.identity.login(identityRequest: identityRequest).then(
    (IdentityApiResult successResponse) {
        String? previousMPID = successResponse.previousUser?.getMPID();
        if (previousMPID != null) {
            var userAliasRequest = AliasRequest(
                previousMPID, successResponse.user.getMPID()
            );
            mpInstance?.identity.aliasUsers(aliasRequest: userAliasRequest);
        }
    }
);