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