What does Ecto Changeset do? #3

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drozzy opened this issue Oct 15, 2018 · 3 comments

drozzy commented Oct 15, 2018

Just curious what this import does?

extreme_system_example/apps/users/lib/example/aggregates/user_impl.ex

Line 3 in 06b1b1c

import Ecto.Changeset

Member

burmajam commented Oct 15, 2018 via email

Command validation is done using ecto changeset

On Mon, Oct 15, 2018 at 05:53 Andriy Drozdyuk ***@***.***> wrote: Just curious what this import does? https://github.com/exponentially/extreme_system_example/blob/06b1b1c09a2701b8d29fe124cb9f8c517c5b7919/apps/users/lib/example/aggregates/user_impl.ex#L3 — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#3>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAKwFaslJuPn3Ffo-G-MDNmBkXgsELafks5ulAasgaJpZM4Xbi2z> .

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drozzy commented Oct 21, 2018

How?
Sorry I know nothing about ecto changesets. I thought they were only for database models in ORM

Member

burmajam commented Oct 31, 2018

Ecto doesn't have to be used as ORM only. In fact, 3.0 or 3.1 will split query from changeset features in different libraries. https://github.com/exponentially/extreme_system_example/blob/master/apps/users/lib/example/aggregates/user_impl.ex#L24 is place where we are validating update_profile command that name is present and it has at least 6 characters. If validation fails, API will respond with 422 and errors in body

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