https://github.com/daggerok/cqrs-eventsourcing-user-management-example

CQRS and event sourcing using dynamic groovy, spring-boot and spring-webflux
https://github.com/daggerok/cqrs-eventsourcing-user-management-example

gradle groovy groovy-language spock spock-framework spock-spring spock-tests spring-boot spring-webflux

Last synced: 14 days ago
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CQRS and event sourcing using dynamic groovy, spring-boot and spring-webflux

• Host: GitHub
• URL: https://github.com/daggerok/cqrs-eventsourcing-user-management-example
• Owner: daggerok
• Created: 2019-07-31T01:30:11.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2019-08-10T20:35:40.000Z (over 5 years ago)
• Last Synced: 2024-11-11T15:40:37.128Z (2 months ago)
• Topics: gradle, groovy, groovy-language, spock, spock-framework, spock-spring, spock-tests, spring-boot, spring-webflux
• Language: Java
• Size: 90.8 KB
• Stars: 1
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# CQRS and event sourcing app [![Build Status](https://travis-ci.org/daggerok/cqrs-eventsourcing-user-management-example.svg?branch=master)](https://travis-ci.org/daggerok/cqrs-eventsourcing-user-management-example)

CQRS and event sourcing using dynamic groovy, spring-boot and spring-webflux

Status: _in progress, implemented in-memory event store only, follow updates..._

_run kafka_

```bash

rm -rf /tmp/c ; git clone --depth=1 https://github.com/confluentinc/cp-docker-images.git /tmp/c

docker-compose -f /tmp/c/examples/kafka-single-node/docker-compose.yml up -d

docker-compose -f /tmp/c/examples/kafka-single-node/docker-compose.yml down -v --rmi local

```

_run app and test_

```bash

./gradlew bootRun

http :8080/api/v1/messages message=hello

http :8080/api/v1/messages message=world

http :8080/api/v1/messages

http :8080

```

**NOTE:** _For better developer experience during testing, use idea cURL integration tests from `rest-client*` files. Read more: https://www.jetbrains.com/help/idea/http-client-in-product-code-editor.html_

## why?

just see how everything is clear in next analitics:

- OrderCreated(id=123)

- ItemAdded(product=Bose Headphones, price=400)

- FollowSimilarItemsLink(product=Sony Headphones)

- AccessReviews()

- VoteReviewHelpful(answer=5/5)

- ItemAdded(product=Sony Headphones, price=450)

- ItemRemoved(product=Bose Headphones, price=400)

- OrderConfirmed()

- OrderShipped()

resources:

* [YouTube: Building Event Driven Systems with Spring Cloud Stream](https://www.youtube.com/watch?v=LvmPa7YKgqM&t=2673s)

* [YouTube: 2018-10 Advanced Microservices Patterns: CQRS and Event Sourcing](https://www.youtube.com/watch?v=W_wySQ0lTI4&t=1448s)