61 lines
2.2 KiB
Dart
61 lines
2.2 KiB
Dart
import 'package:redux/redux.dart';
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import '../globals.dart' as globals;
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import '../models/appState.dart';
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import '../models/firesApi.dart';
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import '../models/yourLocation.dart';
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import 'actions.dart';
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// A middleware takes in 3 parameters: your Store, which you can use to
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// read state or dispatch new actions, the action that was dispatched,
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// and a `next` function. The first two you know about, and the `next`
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// function is responsible for sending the action to your Reducer, or
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// the next Middleware if you provide more than one.
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//
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// Middleware do not return any values themselves. They simply forward
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// actions on to the Reducer or swallow actions in some special cases.
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FiresApi api = globals.getIt.get<FiresApi>();
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void fetchYourLocationsMiddleware(
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Store<AppState> store, action, NextDispatcher next) {
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// If our Middleware encounters a `FetchYourLocationAction`
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if (action is OnUserLangAction) {
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// I can create the user with the lang and the token
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if (store.state.user.token != null)
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createUser(store, action.lang, store.state.user.token);
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}
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if (action is OnUserTokenAction) {
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// I can create the user with the lang and the token
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if (store.state.user.lang != null)
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createUser(store, store.state.user.lang, action.token);
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}
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if (action is FetchYourLocationsAction) {
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final api = globals.getIt.get<FiresApi>();
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// Use the api to fetch the YourLocations
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api.fetchYourLocations().then((List<YourLocation> YourLocations) {
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// If it succeeds, dispatch a success action with the YourLocations.
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// Our reducer will then update the State using these YourLocations.
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store.dispatch(new FetchYourLocationsSucceededAction(YourLocations));
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}).catchError((Exception error) {
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// If it fails, dispatch a failure action. The reducer will
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// update the state with the error.
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store.dispatch(new FetchYourLocationsFailedAction(error));
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});
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}
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// Make sure our actions continue on to the reducer.
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next(action);
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}
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void createUser(store, lang, token) {
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assert(token != null, "User lang is null");
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assert(token != null, "User mobile token is null");
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api
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.createUser(store.state, token, lang)
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.then((userId) => store.dispatch(new OnUserCreatedAction(userId)));
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}
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