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book-exchange-app

(★ 124)

ASP.NET Core Web API with React, Entity Framework, Elasticsearch, Paypal integration

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- add_book.png
- book_page.png
- grid_view.png
- main_page.png
- profile_wishlist.png
- - appsettings.Development.json
  - appsettings.json
  - BookExchange - Backup.API.csproj
  - BookExchange.API.csproj
  - Program.cs
  - ServiceExtensions.cs
  - Startup.cs
  - tempkey.jwk
- - BookExchange.Application.csproj
  - Class1.cs
- - BookExchange.Domain.csproj
  - CreateRequestDto.cs
  - Extensions.cs
- - appsettings.Development.json
  - appsettings.json
  - BookExchange.IdentityServer.csproj
  - Config.cs
  - IdentityContext.cs
  - IdentityDataSeeder.cs
  - IdentityProfileService.cs
  - Program.cs
  - Startup.cs
  - tempkey.jwk
- - BookExchange.Infrastructure.csproj
  - BookInfoService.cs
  - Class1.cs
- - .env
  - .gitignore
  - package-lock.json
  - package.json
  - README.md
  - tsconfig.json
  - yarn.lock
- - Tests.csproj
  - UnitTest1.cs
.gitignore
BookExchange.sln
README.md

// repository documentation

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# Book Exchange App (ASP.Net Core Web API + React)
BookExchangeApp is a fully functioning application that allows users to exchange books, earn and buy points, and receive recomendations based on the rated books.

## Components
- [src/BookExchange.API](#bookexchange-api) - ASP.NET Core Web API (CQRS pattern)
- [src/BookExchange.Application](#bookexchange-application)
- [src/BookExchange.Domain](#bookexchange-domain)
- [src/BookExchange.Infrastructure](#bookexchange-infrastructure) - Entity Framework Core, ElasticSearch
- [src/BookExchange.IdentityServer](#bookexchange-identityserver) - authentication as a service (IdentityServer4)
- [src/BookExchange.React](#bookexchange-react) - Client (React with Typescript)

## Key Features 
* Integration with ElasticSearch for smart search of books (via keywords inside the title/description/author)
* Authentication as a service (IdentityServer4).
* Integration with payment systems (PayPal)

## Basic Functionality
- Post/request/add book to wishlist
- Filtered search of books
- Point system for exchanging books
- Book recomendation system (content-based filtering)

<img src="https://github.com/dimatrubca/book-exchange-app/blob/master/images/profile_wishlist.png" width="950">

## BookExchange API
The design of the Web API follows CQRS pattern, that allows intercating with the main database (SQL Server) and ElasticSearch, for smart search of books.

## BookExchange Application
Application layer of the web application, containing queries and commands for each entity, as well as the book recommendation service, based on the content-filtering algorithm.

## BookExchange Domain
Contain domain models, their configurations and repositories

## BookExchange Infrastructure
Contains the implementation of repositories for interacting with databases and dbContext.

SQL Server acts as a main database, which contains all of the data. ElasticSearch db contains only the information of books and allows to perform smart queries.

## BookExchange IdentityServer
Authentication is implemented as a server, following resource owner credentials workflow and using IdentityServer4.

## BookExchange React
Client side of the application. React with Typescript.

## Screenshots
<img src="https://github.com/dimatrubca/book-exchange-app/blob/master/images/main_page.png" width="950">
<img src="https://github.com/dimatrubca/book-exchange-app/blob/master/images/add_book.png" width="950">
<img src="https://github.com/dimatrubca/book-exchange-app/blob/master/images/book_page.png" width="950">
<img src="https://github.com/dimatrubca/book-exchange-app/blob/master/images/grid_view.png" width="950">