read-model

Creates customized read models and event handlers for Rails-based event-sourced systems.

504|85|Updated Jul 8, 2019

Search Tags:#test-driven development #rails #event sourcing #event handler #read model

Ready to run

npx skills add https://github.com/RailsEventStore/ecommerce --skill read-model

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: read-model
Source: https://github.com/RailsEventStore/ecommerce/tree/main/.claude/skills/read-model
Command: npx skills add https://github.com/RailsEventStore/ecommerce --skill read-model

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers build tailored read models for efficient data access and event handling in Rails applications.

Core Features & Use Cases

Event-driven read model creation: Define new data projections based on domain events.
Automated test generation: Establish test cases in TDD style to ensure correctness.
Use Case: For example, create a read model to display customer order history by subscribing to order-related events and storing relevant data, enabling quick queries in the UI.

Quick Start

Use the read-model skill to generate a new read model that listens to product catalog events and stores product details for fast querying.

Frequently Asked Questions about read-model

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I create a read model in Rails for event sourcing?▼

To create a read model in Rails, you build customized data projections and event handlers that subscribe to domain events, enabling efficient data retrieval and scalable views for your application's UI.

What is a read model used for in event-driven Rails applications?▼

A read model is used to optimize data retrieval by subscribing to domain events and storing queried data separately, allowing quick access for UI displays like customer order history without querying the event store directly.

How do I test event handlers for a Rails read model?▼

You test event handlers for a Rails read model using test-driven development, establishing automated test cases that ensure your event handlers correctly process domain events and update data projections.

Can I use this approach to display customer order history from domain events?▼

Yes, you can create a read model that subscribes to order-related domain events, stores the relevant order details, and enables fast querying to display a customer's order history in the UI.

What's the best way to optimize data retrieval for Rails event-sourced systems?▼

The best way to optimize data retrieval in Rails event-sourced systems is building tailored read models with event handlers that subscribe to domain events, creating maintainable data views for quick queries.

Do I need database migrations to set up a custom read model in Rails?▼

Yes, you need database migrations to configure the data storage structure for your custom read model, ensuring seamless integration and scalable data views within your Rails application.