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41584ab40c
Currently in services, we don’t make a distinction between input
parameters, options and dependencies.
This can lead to user input modifying the service behavior, whereas it
was not the developer intention.
This patch addresses the issue by changing how data is provided to
services:
- `params` is now used to hold all data coming from outside (typically
user input from a controller) and a contract will take its values from
`params`.
- `options` is a new key to provide options to a service. This typically
allows changing a service behavior at runtime. It is, of course,
totally optional.
- `dependencies` is actually anything else provided to the service (like
`guardian`) and available directly from the context object.
The `service_params` helper in controllers has been updated to reflect
those changes, so most of the existing services didn’t need specific
changes.
The options block has the same DSL as contracts, as it’s also based on
`ActiveModel`. There aren’t any validations, though. Here’s an example:
```ruby
options do
attribute :allow_changing_hidden, :boolean, default: false
end
```
And here’s an example of how to call a service with the new keys:
```ruby
MyService.call(params: { key1: value1, … }, options: { my_option: true }, guardian:, …)
```
88 lines
2.5 KiB
Ruby
88 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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RSpec.describe User::Silence do
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describe described_class::Contract, type: :model do
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it { is_expected.to validate_presence_of(:user_id) }
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it { is_expected.to validate_presence_of(:reason) }
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it { is_expected.to validate_presence_of(:silenced_till) }
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it { is_expected.to validate_length_of(:reason).is_at_most(300) }
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it do
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is_expected.to validate_length_of(:other_user_ids).as_array.is_at_most(
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User::MAX_SIMILAR_USERS,
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)
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end
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it do
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is_expected.to validate_inclusion_of(:post_action).in_array(
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%w[delete delete_replies edit],
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).allow_blank
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end
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end
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describe ".call" do
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subject(:result) { described_class.call(params:, **dependencies) }
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fab!(:admin)
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fab!(:user)
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fab!(:other_user) { Fabricate(:user) }
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let(:params) { { user_id:, reason:, silenced_till:, other_user_ids:, message: } }
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let(:dependencies) { { guardian: } }
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let(:guardian) { admin.guardian }
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let(:user_id) { user.id }
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let(:other_user_ids) { other_user.id }
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let(:reason) { "spam" }
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let(:message) { "it was spam" }
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let(:silenced_till) { 3.hours.from_now.to_s }
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context "when invalid data is provided" do
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let(:user_id) { nil }
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it { is_expected.to fail_a_contract }
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end
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context "when provided user does not exist" do
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let(:user_id) { 0 }
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it { is_expected.to fail_to_find_a_model(:user) }
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end
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context "when user is already silenced" do
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before { UserSilencer.silence(user, admin) }
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it { is_expected.to fail_a_policy(:not_silenced_already) }
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end
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context "when all users cannot be silenced" do
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let(:other_user_ids) { [other_user.id, Fabricate(:admin).id].join(",") }
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it { is_expected.to fail_a_policy(:can_silence_all_users) }
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end
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context "when everything's ok" do
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before { allow(User::Action::TriggerPostAction).to receive(:call) }
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it "silences all provided users" do
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result
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expect([user, other_user].map(&:reload)).to all be_silenced
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end
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it "enqueues jobs to send an email" do
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expect { result }.to change { Jobs::CriticalUserEmail.jobs.size }.by(2)
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end
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it "exposes the full reason in the result object" do
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expect(result[:full_reason]).to eq("spam\n\nit was spam")
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end
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it "triggers a post action" do
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result
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expect(User::Action::TriggerPostAction).to have_received(:call).with(
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guardian:,
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post: nil,
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contract: result[:contract],
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)
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end
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end
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end
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end
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