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5 Commits (175195eae6d112873c302614d954d4d941001e63)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Miguel Beltran
|
175195eae6
|
Compass App: Add "Activities", "Itinerary Config" and MVVM Commands (#2366)
Part of the WIP for the Compass App example. Merge to `compass-app`. This PR introduces: - A new feature for Activities (UI unfinished). - A repository for the current Itinerary Configuration. - A `Command` utils class to be used in View Models. **Activities** - PR adds the `compass_app/app/assets/activities.json` (large file!) - Created `ActivityRepository` with local and remote implementation. - Added `getActivitiesByDestination` to `ApiClient` - Added `Activity` data model - Created `ActivitiesScreen` and `ActivitiesViewModel`. - WIP: Decided to finish the UI later due to the size the PR was taking. - WIP: Server implementation for Activities will be completed in another PR. **Itinerary Configuration** - Created the `ItineraryConfigRepository` with an "in-memory" implementation. (local database or shared preferences could potentially be implemented too) - Refactored the way screens share data, instead of passing data using the navigator query parameters, the screens store the state (the itinerary configuration) in this repository, and load it when the screen is opened. - This allows to navigate between screens, back and forth, and keep the selection of data the user made. **Commands** - To handle button taps and other running actions. - Encapsulates an action, exposes the running state (to show progress indicators), and ensures that the action cannot execute if it is already running (to avoid multiple taps on buttons). - Two implementations included, one without arguments `Command0`, and one that supports a single argument `Command1`. - Commands also provide an `onComplete` callback, in case the UI needs to do something when the action finished running (e.g. navigate). - Tests are included. **TODO in further PRs** - Finish the Activities UI and continue implementing the app flow. - Introduce an error handling solution. - Move the data jsons into a common folder (maybe a package?) so they can be shared between app and server and don't duplicate files. **Screencast** As it can be observed, the state of the screen is recovered from the stored "itinerary config". Note: Activites screen appears empty, the list is just printed on terminal at the moment. [Screencast from 2024-07-23 10-58-40.webm](https://github.com/user-attachments/assets/54805c66-2938-48dd-8f63-a26b1e88eab6) ## Pre-launch Checklist - [x] I read the [Flutter Style Guide] _recently_, and have followed its advice. - [x] I signed the [CLA]. - [x] I read the [Contributors Guide]. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-devrel channel on [Discord]. <!-- Links --> [Flutter Style Guide]: https://github.com/flutter/flutter/blob/master/docs/contributing/Style-guide-for-Flutter-repo.md [CLA]: https://cla.developers.google.com/ [Discord]: https://github.com/flutter/flutter/blob/master/docs/contributing/Chat.md [Contributors Guide]: https://github.com/flutter/samples/blob/main/CONTRIBUTING.md |
4 months ago |
|
Miguel Beltran
|
be0b3dc0d1
|
Compass App: Add "server" dart shelf-app and "shared" dart package (#2359)
This PR introduces two new subprojects: - `compass_server` under `compass_app/server`. - `compass_model` under `compass_app/model`. **`compass_server`** - Dart server implemented using `shelf`. - Created with the `dart create -t server-shelf` template. - Implements two REST endpoints: - `GET /continent`: Returns the list of `Continent` as JSON. - `GET /destination`: Returns the list of `Destination` as JSON. - Generated Docker files have been removed. - Implemented tests. - TODO: Implement some basic auth. **`compass_model`** - Dart package to share data model classes between the `server` and `app`. - Contains the data model classes (`Continent`, `Destination`). - Generated JSON from/To methods and data classes using `freezed`. - The sole purpose of this package is to host the data model. Other shared code should go in a different package. **Other changes** - Created an API Client to connect to the local dart server. - Created "remote" repositories, which also implement a basic in-memory caching strategy. - Created two dependency configurations, one with local repositories and one with remote repos. - Created two application main targets to select configuration: - `lib/main_development.dart` which starts the app with the "local" data configuration. - `lib/main_staging.dart` which starts the app with the "remove" (local dart server) configuration. - `lib/main.dart` still works as default entry point. - Implemented tests for remote repositories. ## Pre-launch Checklist - [x] I read the [Flutter Style Guide] _recently_, and have followed its advice. - [x] I signed the [CLA]. - [x] I read the [Contributors Guide]. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-devrel channel on [Discord]. <!-- Links --> [Flutter Style Guide]: https://github.com/flutter/flutter/blob/master/docs/contributing/Style-guide-for-Flutter-repo.md [CLA]: https://cla.developers.google.com/ [Discord]: https://github.com/flutter/flutter/blob/master/docs/contributing/Chat.md [Contributors Guide]: https://github.com/flutter/samples/blob/main/CONTRIBUTING.md |
4 months ago |
|
Miguel Beltran
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496b467485
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Compass App: Search form screen (#2353)
Part of the implementation of the Compass App for the Architecture sample. **Merge to `compass-app`** This PR introduces the Search Form Screen, in which users can select a region, a date range and the number of guests. The feature is split in 5 different widgets, each one depending on the `SearchFormViewModel`. The architecture follows the same patterns implemented in the previous PR https://github.com/flutter/samples/pull/2342 TODO later on: - Error handling is yet not implemented, we need to introduce a "logger" and a way to handle error responses. - All repositories return local data, next steps include creating the dart server app. - The search query at the moment only takes the "continent" and not the dates and number of guests, that would be implemented later on as well. ## Demo [Screencast from 2024-07-12 14-30-48.webm](https://github.com/user-attachments/assets/afbcdd4e-617a-49cc-894c-8e082748e572) ## Pre-launch Checklist - [x] I read the [Flutter Style Guide] _recently_, and have followed its advice. - [x] I signed the [CLA]. - [x] I read the [Contributors Guide]. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-devrel channel on [Discord]. <!-- Links --> [Flutter Style Guide]: https://github.com/flutter/flutter/blob/master/docs/contributing/Style-guide-for-Flutter-repo.md [CLA]: https://cla.developers.google.com/ [Discord]: https://github.com/flutter/flutter/blob/master/docs/contributing/Chat.md [Contributors Guide]: https://github.com/flutter/samples/blob/main/CONTRIBUTING.md |
4 months ago |
|
Miguel Beltran
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cfedff5a5c
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Create compass-app first feature (#2342)
As part of the work for the compass-app / architecture examples This PR is considerably large, so apologies for that, but as it contains the first feature there is a lot of set up work involved. Could be easier to review by opening the project on the IDE. **Merge to `compass-app` not `main`** cc. @ericwindmill ### Details #### Folder structure The project follows this folder structure: - `lib/config/`: Put here any configuration files. - `lib/config/dependencies.dart`: Configures the dependency tree (i.e. Provider) - `lib/data/models/`: Data classes - `lib/data/repositories/`: Data repositories - `lib/data/services/`: Data services (e.g. network API client) - `lib/routing`: Everything related to navigation (could be moved to `common`) - `lib/ui/core/themes`: several theming classes are here: colors, text styles and the app theme. - `lib/ui/core/ui`: widget components to use across the app - `lib/ui/<feature>/view_models`: ViewModels for the feature. - `lib/ui/<feature>/widgets`: Widgets for the feature. Unit tests also follow the same structure. #### State Management Most importantly, the project uses MVVM approach using `ChangeNotifier` with the help of Provider. This could be implemented without Provider or using any other way to inject the VM into the UI classes. #### Architecture approach - Data follows a unidirectional flow from Repository -> Usecase -> ViewModel -> Widgets -> User. - The provided data Repository is using local data from the `assets` folder, an abstract class is provided to hide this implementation detail to the Usecase, and also to allow multiple implementations in the future. ### Screenshots  ### Extra notes: - Moved the app code to the `app` folder. We need to create a `server` project eventually. ### TODO: - Integrate a logging framework instead of using `print()`. - Do proper error handling. - Improve image loading and caching. - Complete tests with edge-cases and errors. - Better Desktop UI. ## Pre-launch Checklist - [x] I read the [Flutter Style Guide] _recently_, and have followed its advice. - [x] I signed the [CLA]. - [x] I read the [Contributors Guide]. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-devrel channel on [Discord]. <!-- Links --> [Flutter Style Guide]: https://github.com/flutter/flutter/blob/master/docs/contributing/Style-guide-for-Flutter-repo.md [CLA]: https://cla.developers.google.com/ [Discord]: https://github.com/flutter/flutter/blob/master/docs/contributing/Chat.md [Contributors Guide]: https://github.com/flutter/samples/blob/main/CONTRIBUTING.md |
4 months ago |
Eric Windmill
|
170e10c383 |
initial
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5 months ago |