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Put data-input validations on the command form, not the command

takeaway 2 connections

Command-form validations are data-input validations tied to the view; they should not be conflated with business-logic validations on the command/aggregate.

type
recommendation
takeaway Put data-input validations on the command form, not the command
about
Command Form concept
Clarifies where validation logic belongs in the command-form pattern.
takeaway Put data-input validations on the command form, not the command
from_talk
Applying CQRS & Event Sourcing on Rails applications talk
Design decision shared during the command-form section.

Provenance

Created in
Applying CQRS & Event Sourcing on Rails applications — An... 2026-04-17 16:18
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