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VendorsStockQuoteInformationApp

Architecting an ASP.NET Core Angular Application for fetching stockquote information of a given vendor

Implementation details:

  • All vendors (Netflix and Apple) are fetched from VendorRepository and displayed in Angular MatTable
  • There are 2 filters on the screen, one for filtering by vendor name and the other one is filtering by vendor symbol
  • Each line contains an extra column to fetch the stock quote information by symbol. When clicked, Angular dialog box is opened and stockquote information is fetched.
  • Depending on the file extension the import strategy is decided. Thus stock quote information by vendor symbol is either fetched from a csv file or json file

The project structure is described below: AspNetAngularApp

  • AspNetAngularApp.Api (Contains controllers, mappers, ViewModels, StartUp)
  • AspNetAngularApp.Core (Contains Models and Interfaces for Strategy,factory and reposity patterns)
  • AspNetAngularApp.Data (Contains repository and strategy pattern implementations, csv and json files)
  • AspNetAngularApp.Extensions (Contains import strategy picker implementation and vendor factory to fetch stock quote of vendor)
  • AspNetAngularApp.UI (Contains Angular files. ClientApp > src > app contains required code to implement Material design) AspNetAngularApp.Tests
  • ControllerTests (XUnit tests with FluentAssertions and Moq library)
  • IntegrationTests (Xunit tests with TestServer)

Technology stack:

  • .netcore 3.1
  • Angular Material Design (Angular version 13.1.4)
  • Angular Mattable
  • Xunit with FluentAssertions and Moq for testing
  • TestServer for integration testing
  • Strategy design pattern for deciding whether import from a csv or json
  • Repository pattern to create and fetch vendor information
  • factory pattern to get the right stock quote service by vendor
  • SwaggerUI to display and test endpoints
  • Automapper to map from model to viewmodel