discourse/app/services/flags/toggle_flag.rb
Loïc Guitaut fc1c5f6a8d DEV: Have contract take a block in services
Currently in services, the `contract` step is only used to define where
the contract will be called in the execution flow. Then, a `Contract`
class has to be defined with validations in it.

This patch allows the `contract` step to take a block containing
validations, attributes, etc. directly. No need to then open a
`Contract` class later in the service.

It also has a nice side effect, as it’s now easy to define multiples
contracts inside the same service. Before, we had the `class_name:`
option, but it wasn’t really useful as you had to redefine a complete
new contract class.
Now, when using a name for the contract other than `default`, a new
contract will be created automatically using the provided name.

Example:
```ruby
contract(:user) do
  attribute :user_id, :integer

  validates :user_id, presence: true
end
```
This will create a `UserContract` class and use it, also putting the
resulting contract in `context[:user_contract]`.
2024-10-02 17:00:01 +09:00

39 lines
640 B
Ruby

# frozen_string_literal: true
class Flags::ToggleFlag
include Service::Base
contract do
attribute :flag_id, :integer
validates :flag_id, presence: true
end
model :flag
policy :invalid_access
transaction do
step :toggle
step :log
end
private
def fetch_flag(flag_id:)
Flag.find(flag_id)
end
def invalid_access(guardian:)
guardian.can_toggle_flag?
end
def toggle(flag:)
flag.update!(enabled: !flag.enabled)
end
def log(guardian:, flag:)
StaffActionLogger.new(guardian.user).log_custom(
"toggle_flag",
{ flag: flag.name, enabled: flag.enabled },
)
end
end