GoogleBooksApi

A book search web app built with ASP.NET Core MVC and Google Books API

Features

• Search book information by ISBN
• Support ISNB-10 and ISBN-13
• Support ISBN with or without hyphens
• Fetch book metadata from Google Books API
• Display book title, author, publisher, published date, description, ISBN-10, ISBN-13 and cover image.

Tech Stack

• ASP.NET Core MVC
• C#
• JavaScript
• Google Books API

API Endpoint

Search book by ISBN

GET /api/googlebooks/bookinfo/{{isbn}}

Example:

GET /api/googlebooks/bookinfo/9865026864

Data Source

Book metadata is provided by Google Books API

The available fields may vary depending on the data returned by Google Books API. Some books may not include complete metadata or cover images.

Version

1.2.4

fix: allow nullable Google Books description

• Change GoogleBookVolumeInfoDto.Description from required string to string?
• Allow missing description values from Google Books API
• Improve DTO compatibility with incomplete API responses

Release date: 2026-05-04

1.2.3

fix: releaseDate type in version.json

Release date: 2026-05-03

1.2.2

refactor: standardize Google Books API responses

• Update GoogleBookService and its interface to return ApiResponse<T>.
• Add GoogleBooksServiceBase for shared response factory methods.
• Adjust HomeControll and GoogleBooksController to handle standardized API responses.
• Add ResponseDataExtension to simplify ViewModel mapping.
• Extract common file path constants into WebHelper.
• Add dotnet-ef tool configuration
• Improve error handling, readability, and maintainability
• fix: version.json released date.

Release date: 2026-05-03

1.2.1

refactor: load guideline and version data from JSON files

• Replace hardcoded guideline and version data in HomeController
• Add IJsonDataProvider and AppDataProvider for loading static JSON data
• Add data/guideline.json and data/version.json
• Register JSON data provider services in Program.cs
• Improve maintainability of static page content

Release date: 2026-05-03

1.2.0

Support title search and improve book search UI

• Add BookSearchCriteria enum for ISBN and title search
• Add _FetchBooksByTitle action to return multiple books
• Add IsbnExtension for ISBN validation and formatting
• Move shared view models such as DropdownItemVm to Components
• Add _BookCard partial view for reusable book card layout
• Support switching search criteria from the frontend dropdown
• Fix typo in isbnValidator.js
• Improve navbar styling and dropdown selected state

Release date: 2026-05-03

1.1.0

Recactor book search flow to use backend Partial View with AJAX loading.

• Added BookVm and ApiResponse for standardized data structure.
• Extended WebHelper with ISBN parsing utility.
• Updated book-search.js: removed frontend card component, improved error handling.
• Split CSS into individual .cshtml.css files for modularity and style isolation.
• Remove googleBooksApi.js to simplify frontend dependencies.

Release date: 2026-05-02

1.0.0

Initail release - Support searching book information by ISBN

Realeased date: 2026-05-01

Notes

This project is for book information search and demonstration purposes.

Search results are provided for reference only. If book information differs from the actual publication, please refer to the publisher, copyright page, or official bibliographic records.