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Domain-Driven Design with Golang

You're reading from   Domain-Driven Design with Golang Use Golang to create simple, maintainable systems to solve complex business problems

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Product type Paperback
Published in Dec 2022
Publisher Packt
ISBN-13 9781804613450
Length 204 pages
Edition 1st Edition
Languages
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Author (1):
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Matthew Boyle Matthew Boyle
Author Profile Icon Matthew Boyle
Matthew Boyle
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Toc

Table of Contents (13) Chapters Close

Preface 1. Part 1: Introduction to Domain-Driven Design
2. Chapter 1: A Brief History of Domain-Driven Design FREE CHAPTER 3. Chapter 2: Understanding Domains, Ubiquitous Language, and Bounded Contexts 4. Chapter 3: Entities, Value Objects, and Aggregates 5. Chapter 4: Exploring Factories, Repositories, and Services 6. Part 2: Real -World Domain-Driven Design with Golang
7. Chapter 5: Applying Domain-Driven Design to a Monolithic Application 8. Chapter 6: Building a Microservice Using DDD 9. Chapter 7: DDD for Distributed Systems 10. Chapter 8: TDD, BDD, and DDD 11. Index 12. Other Books You May Enjoy

Exposing our service via an open host service

We have a requirement that our service must also expose an API. This is so other microservices or user interfaces may call us to get a recommendation. One method we could use to do this is to generate an API using OpenAPI or gRPC, as we discussed in Chapter 2. However, for completeness, we are going to write this one from scratch.

Let’s define a contract first. We are going to create an API that receives the following request:

/recommendation?location=$country?from=$date&to=$date&budget =$budget

It returns the following response:

{
    "hotelName": "hotel Name",
    "totalCost": {
    "cost": 300,
    "currency": "USD"
    }
}

Notice how the response we intend to return is different from the partnership system? This is completely normal. We own our domain...

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