Asp.Net Core Web API N-Tier

.NET Core N-Tier architecture Web Api sample project.

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Setup

• SQLite has been used as database
• You can change connection string from appsettings.json within aspnetcore.ntier.API
• Apply database migrations to create the tables. From a command line :

Go into aspnetcore.ntier.DAL class library. Please make sure proper versions of .NET SDK and dotnet-ef tool has been installed

cd aspnetcore.ntier.DAL

Apply database changes. If you are using SQLite then database file with .db extension should be created inside aspnetcore.ntier.API project

dotnet ef --startup-project ../aspnetcore.ntier.API database update --context AspNetCoreNTierDbContext

Authentication

• Authentication has been added for version 2 endpoints.
• Non auth endpoints require JWT token to be provided otherwise 401 response will be returned
• So you have to login or register first in order to get the JWT token then add it to the header while sending a request. It can be done by:
  • Clicking lock icon next to the particular endpoint and pasting token in the textbox on swagger page
  • Adding token for the Authorization header of the request
• You can disable authentication for endpoints by removing Authorize attribute from the particular controller

Versioning

• URL versioning has been implemented and currently there are 2 versions.
• Versions can be changed via Swagger page or by providing version number in the URL.

Logging

• Structured logging using Serilog has been implemented.
• Currently logs are being added to file and console.
• You can change or find the settings in appsettings.json.
• In UserService there examples of formatting the log message or using different levels of logging
• Logging will be improved over time.

Layers

• aspnetcore.ntier.API - Presentation Layer is type of .Net Core Web API project.
• aspnetcore.ntier.BLL - Business Logic Layer responsible for data exchange between DAL and Presentation Layer.
  • It has Services, AutoMapperProfiles and CustomExceptions in it
• aspnetcore.ntier.DAL - Data Access Layer responsible for interacting database. Generic repositories have been used.
  • Database context, repositories and database entity models are located in this class lib
• aspnetcore.ntier.DTO - Data transfer objects are added here
• aspnetcore.ntier.Test - Unit and Integration tests are created here

Development process

You can follow the steps during development from the commit list.

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Support

If you found this project useful or interesting and would like to support my work you can support me. Thanks!