Created
May 13, 2020 16:58
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| # gem https://github.com/AaronLasseigne/active_interaction | |
| module Excursion | |
| module Services | |
| class NewUser < ActiveInteraction::Base | |
| string :email | |
| def execute | |
| user = User.create(email: email) | |
| if user.persisted? | |
| user | |
| else | |
| errors.merge!(user.errors) | |
| end | |
| end | |
| end | |
| end | |
| end | |
| module Excursion | |
| module Services | |
| class JoinUser < ActiveInteraction::Base | |
| object :record, class: Record | |
| string :email | |
| string :group | |
| def execute | |
| return unless can? | |
| exists_user = User.find_by_email(email) # Or UserRepository.new.find(email) no matter | |
| if exists_user | |
| record.users << exists_user | |
| else | |
| user = NewUser.run!(email: email) | |
| record.users << user | |
| end | |
| end | |
| private | |
| def can? | |
| # some bussiness checks | |
| errors.add('Business not valid') | |
| false | |
| end | |
| end | |
| end | |
| end | |
| # Before any form object you want to check email format etc. (grape/dry) | |
| # Or create custom email type in ActiveInteraction and change string :email with email :email ¯\_(ツ)_/¯ | |
| params do | |
| requires :email, regexp: /.+@.+/ | |
| end | |
| service = Excursion::Services::JoinUser.run(record: Record.find, group: 'a', email: params[:email]) | |
| service.valid? ? service.result : service.errors.full_messages |
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