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DEV: Refactor some core services

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Extracted from https://github.com/discourse/discourse/pull/29129.

This patch makes the code more compliant with the upcoming service docs
best practices.
This commit is contained in:
Loïc Guitaut 2024-10-18 11:13:34 +02:00 committed by Loïc Guitaut
parent 007a8dabf3
commit e95edd079b
11 changed files with 228 additions and 237 deletions
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4
app/controllers/admin/config/about_controller.rb
View File

@ -36,8 +36,8 @@ class Admin::Config::AboutController < Admin::AdminController
end
settings_map.each do |name, value|
UpdateSiteSetting.call(
guardian: guardian,
SiteSetting::Update.call(
guardian:,
setting_name: name,
new_value: value,
allow_changing_hidden: %i[

4
app/controllers/admin/site_settings_controller.rb
View File

@ -39,10 +39,10 @@ class Admin::SiteSettingsController < Admin::AdminController
previous_value = value_or_default(SiteSetting.get(id)) if update_existing_users
UpdateSiteSetting.call(service_params.merge(setting_name: id, new_value: value)) do
SiteSetting::Update.call(service_params.merge(setting_name: id, new_value: value)) do
on_success do
if update_existing_users
SiteSettingUpdateExistingUsers.call(id, result.new_value, previous_value)
SiteSettingUpdateExistingUsers.call(id, result.contract.new_value, previous_value)
end
render body: nil
end

2
app/controllers/admin/users_controller.rb
View File

@ -124,7 +124,7 @@ class Admin::UsersController < Admin::StaffController
on_success do
render_json_dump(
suspension: {
suspend_reason: result.reason,
suspend_reason: result.contract.reason,
full_suspend_reason: result.full_reason,
suspended_till: result.user.suspended_till,
suspended_at: result.user.suspended_at,

12
app/services/admin_notices/dismiss.rb
View File

@ -3,10 +3,8 @@
class AdminNotices::Dismiss
include Service::Base
model :admin_notice, optional: true
policy :invalid_access
model :admin_notice, optional: true
transaction do
step :destroy
step :reset_problem_check
@ -14,14 +12,14 @@ class AdminNotices::Dismiss
private
def fetch_admin_notice(id:)
AdminNotice.find_by(id: id)
end
def invalid_access(guardian:)
guardian.is_admin?
end
def fetch_admin_notice(id:)
AdminNotice.find_by(id: id)
end
def destroy(admin_notice:)
return if admin_notice.blank?

59
app/services/site_setting/update.rb Normal file
View File

@ -0,0 +1,59 @@
# frozen_string_literal: true
class SiteSetting::Update
include Service::Base
policy :current_user_is_admin
contract do
attribute :setting_name
attribute :new_value
attribute :allow_changing_hidden, :boolean, default: false
before_validation do
self.setting_name = setting_name&.to_sym
self.new_value = new_value.to_s.strip
end
validates :setting_name, presence: true
after_validation do
next if setting_name.blank?
self.new_value =
case SiteSetting.type_supervisor.get_type(setting_name)
when :integer
new_value.tr("^-0-9", "").to_i
when :file_size_restriction
new_value.tr("^0-9", "").to_i
when :uploaded_image_list
new_value.blank? ? "" : Upload.get_from_urls(new_value.split("|")).to_a
when :upload
Upload.get_from_url(new_value) || ""
else
new_value
end
end
end
policy :setting_is_visible
policy :setting_is_configurable
step :save
private
def current_user_is_admin(guardian:)
guardian.is_admin?
end
def setting_is_visible(contract:)
contract.allow_changing_hidden || !SiteSetting.hidden_settings.include?(contract.setting_name)
end
def setting_is_configurable(contract:)
return true if !SiteSetting.plugins[contract.setting_name]
Discourse.plugins_by_name[SiteSetting.plugins[contract.setting_name]].configurable?
end
def save(contract:, guardian:)
SiteSetting.set_and_log(contract.setting_name, contract.new_value, guardian.user)
end
end

57
app/services/update_site_setting.rb
View File

@ -1,57 +0,0 @@
# frozen_string_literal: true
class UpdateSiteSetting
include Service::Base
policy :current_user_is_admin
contract do
attribute :setting_name
attribute :new_value
attribute :allow_changing_hidden, :boolean, default: false
before_validation { self.setting_name = setting_name&.to_sym }
validates :setting_name, presence: true
end
policy :setting_is_visible
policy :setting_is_configurable
step :cleanup_value
step :save
private
def current_user_is_admin(guardian:)
guardian.is_admin?
end
def setting_is_visible(contract:)
contract.allow_changing_hidden || !SiteSetting.hidden_settings.include?(contract.setting_name)
end
def setting_is_configurable(contract:)
return true if !SiteSetting.plugins[contract.setting_name]
Discourse.plugins_by_name[SiteSetting.plugins[contract.setting_name]].configurable?
end
def cleanup_value(contract:)
new_value = contract.new_value
new_value = new_value.strip if new_value.is_a?(String)
case SiteSetting.type_supervisor.get_type(contract.setting_name)
when :integer
new_value = new_value.tr("^-0-9", "").to_i if new_value.is_a?(String)
when :file_size_restriction
new_value = new_value.tr("^0-9", "").to_i if new_value.is_a?(String)
when :uploaded_image_list
new_value = new_value.blank? ? "" : Upload.get_from_urls(new_value.split("|")).to_a
when :upload
new_value = Upload.get_from_url(new_value) || ""
end
context[:new_value] = new_value
end
def save(contract:, new_value:, guardian:)
SiteSetting.set_and_log(contract.setting_name, new_value, guardian.user)
end
end

20
spec/services/admin_notices/dismiss_spec.rb
View File

@ -1,10 +1,14 @@
# frozen_string_literal: true
RSpec.describe(AdminNotices::Dismiss) do
subject(:result) { described_class.call(id: admin_notice.id, guardian: current_user.guardian) }
subject(:result) { described_class.call(**params, **dependencies) }
let!(:admin_notice) { Fabricate(:admin_notice, identifier: "problem.test") }
let!(:problem_check) { Fabricate(:problem_check_tracker, identifier: "problem.test", blips: 3) }
fab!(:current_user) { Fabricate(:admin) }
fab!(:admin_notice) { Fabricate(:admin_notice, identifier: "problem.test") }
fab!(:problem_check) { Fabricate(:problem_check_tracker, identifier: "problem.test", blips: 3) }
let(:params) { { id: admin_notice.id } }
let(:dependencies) { { guardian: current_user.guardian } }
context "when user is not allowed to perform the action" do
fab!(:current_user) { Fabricate(:user) }
@ -13,22 +17,14 @@ RSpec.describe(AdminNotices::Dismiss) do
end
context "when the admin notice has already been dismissed" do
fab!(:current_user) { Fabricate(:admin) }
before { admin_notice.destroy! }
it { is_expected.to run_successfully }
end
context "when user is allowed to perform the action" do
fab!(:current_user) { Fabricate(:admin) }
context "when everything's ok" do
it { is_expected.to run_successfully }
it "sets the service result as successful" do
expect(result).to be_a_success
end
it "destroys the admin notice" do
expect { result }.to change { AdminNotice.count }.from(1).to(0)
end

79
spec/services/site_setting/update_spec.rb Normal file
View File

@ -0,0 +1,79 @@
# frozen_string_literal: true
RSpec.describe SiteSetting::Update do
describe described_class::Contract, type: :model do
it { is_expected.to validate_presence_of :setting_name }
end
describe ".call" do
subject(:result) { described_class.call(**params, **options, **dependencies) }
fab!(:admin)
let(:params) { { setting_name:, new_value: } }
let(:options) { { allow_changing_hidden: } }
let(:dependencies) { { guardian: } }
let(:setting_name) { :title }
let(:new_value) { "blah whatever" }
let(:guardian) { admin.guardian }
let(:allow_changing_hidden) { false }
context "when setting_name is blank" do
let(:setting_name) { nil }
it { is_expected.to fail_a_contract }
end
context "when a non-admin user tries to change a setting" do
let(:guardian) { Guardian.new }
it { is_expected.to fail_a_policy(:current_user_is_admin) }
end
context "when the user changes a hidden setting" do
let(:setting_name) { :max_category_nesting }
let(:new_value) { 3 }
context "when allow_changing_hidden is false" do
it { is_expected.to fail_a_policy(:setting_is_visible) }
end
context "when allow_changing_hidden is true" do
let(:allow_changing_hidden) { true }
it { is_expected.to run_successfully }
it "updates the specified setting" do
expect { result }.to change { SiteSetting.max_category_nesting }.to(3)
end
end
end
context "when the user changes a visible setting" do
let(:new_value) { "hello this is title" }
it { is_expected.to run_successfully }
it "updates the specified setting" do
expect { result }.to change { SiteSetting.title }.to(new_value)
end
it "creates an entry in the staff action logs" do
expect { result }.to change {
UserHistory.where(
action: UserHistory.actions[:change_site_setting],
subject: "title",
).count
}.by(1)
end
context "when value needs cleanup" do
let(:setting_name) { :max_image_size_kb }
let(:new_value) { "8zf843" }
it "cleans up the new setting value before using it" do
expect { result }.to change { SiteSetting.max_image_size_kb }.to(8843)
end
end
end
end
end

74
spec/services/update_site_setting_spec.rb
View File

@ -1,74 +0,0 @@
# frozen_string_literal: true
RSpec.describe UpdateSiteSetting do
subject(:result) { described_class.call(params) }
describe described_class::Contract, type: :model do
subject(:contract) { described_class.new }
it { is_expected.to validate_presence_of :setting_name }
end
fab!(:admin)
let(:params) { { setting_name:, new_value:, guardian:, allow_changing_hidden: } }
let(:setting_name) { :title }
let(:new_value) { "blah whatever" }
let(:guardian) { admin.guardian }
let(:allow_changing_hidden) { false }
context "when setting_name is blank" do
let(:setting_name) { nil }
it { is_expected.to fail_a_contract }
end
context "when a non-admin user tries to change a setting" do
let(:guardian) { Guardian.new }
it { is_expected.to fail_a_policy(:current_user_is_admin) }
end
context "when the user changes a hidden setting" do
let(:setting_name) { :max_category_nesting }
let(:new_value) { 3 }
context "when allow_changing_hidden is false" do
it { is_expected.to fail_a_policy(:setting_is_visible) }
end
context "when allow_changing_hidden is true" do
let(:allow_changing_hidden) { true }
it { is_expected.to run_successfully }
it "updates the specified setting" do
expect { result }.to change { SiteSetting.max_category_nesting }.to(3)
end
end
end
context "when the user changes a visible setting" do
let(:new_value) { "hello this is title" }
it { is_expected.to run_successfully }
it "updates the specified setting" do
expect { result }.to change { SiteSetting.title }.to(new_value)
end
it "creates an entry in the staff action logs" do
expect { result }.to change {
UserHistory.where(action: UserHistory.actions[:change_site_setting], subject: "title").count
}.by(1)
end
context "when value needs cleanup" do
let(:setting_name) { :max_image_size_kb }
let(:new_value) { "8zf843" }
it "cleans up the new setting value before using it" do
expect { result }.to change { SiteSetting.max_image_size_kb }.to(8843)
end
end
end
end

83
spec/services/user/silence_spec.rb
View File

@ -21,13 +21,14 @@ RSpec.describe User::Silence do
end
describe ".call" do
subject(:result) { described_class.call(params) }
subject(:result) { described_class.call(**params, **dependencies) }
fab!(:admin)
fab!(:user)
fab!(:other_user) { Fabricate(:user) }
let(:params) { { guardian:, user_id:, reason:, silenced_till:, other_user_ids:, message: } }
let(:params) { { user_id:, reason:, silenced_till:, other_user_ids:, message: } }
let(:dependencies) { { guardian: } }
let(:guardian) { admin.guardian }
let(:user_id) { user.id }
let(:other_user_ids) { other_user.id }
@ -41,53 +42,47 @@ RSpec.describe User::Silence do
it { is_expected.to fail_a_contract }
end
context "when data is valid" do
context "when provided user does not exist" do
let(:user_id) { 0 }
context "when provided user does not exist" do
let(:user_id) { 0 }
it { is_expected.to fail_to_find_a_model(:user) }
it { is_expected.to fail_to_find_a_model(:user) }
end
context "when user is already silenced" do
before { UserSilencer.silence(user, admin) }
it { is_expected.to fail_a_policy(:not_silenced_already) }
end
context "when all users cannot be silenced" do
let(:other_user_ids) { [other_user.id, Fabricate(:admin).id].join(",") }
it { is_expected.to fail_a_policy(:can_silence_all_users) }
end
context "when everything's ok" do
before { allow(User::Action::TriggerPostAction).to receive(:call) }
it "silences all provided users" do
result
expect([user, other_user].map(&:reload)).to all be_silenced
end
context "when provided user exists" do
context "when user is already silenced" do
before { UserSilencer.silence(user, admin) }
it "enqueues jobs to send an email" do
expect { result }.to change { Jobs::CriticalUserEmail.jobs.size }.by(2)
end
it { is_expected.to fail_a_policy(:not_silenced_already) }
end
it "exposes the full reason in the result object" do
expect(result[:full_reason]).to eq("spam\n\nit was spam")
end
context "when user is not already silenced" do
context "when all users cannot be silenced" do
let(:other_user_ids) { [other_user.id, Fabricate(:admin).id].join(",") }
it { is_expected.to fail_a_policy(:can_silence_all_users) }
end
context "when all users can be silenced" do
before { allow(User::Action::TriggerPostAction).to receive(:call) }
it "silences all provided users" do
result
expect([user, other_user].map(&:reload)).to all be_silenced
end
it "enqueues jobs to send an email" do
expect { result }.to change { Jobs::CriticalUserEmail.jobs.size }.by(2)
end
it "exposes the full reason in the result object" do
expect(result[:full_reason]).to eq("spam\n\nit was spam")
end
it "triggers a post action" do
result
expect(User::Action::TriggerPostAction).to have_received(:call).with(
guardian:,
post: nil,
contract: result[:contract],
)
end
end
end
it "triggers a post action" do
result
expect(User::Action::TriggerPostAction).to have_received(:call).with(
guardian:,
post: nil,
contract: result[:contract],
)
end
end
end

71
spec/services/user/suspend_spec.rb
View File

@ -21,13 +21,14 @@ RSpec.describe User::Suspend do
end
describe ".call" do
subject(:result) { described_class.call(params) }
subject(:result) { described_class.call(**params, **dependencies) }
fab!(:admin)
fab!(:user)
fab!(:other_user) { Fabricate(:user) }
let(:params) { { guardian:, user_id:, reason:, suspend_until:, other_user_ids:, message: } }
let(:params) { { user_id:, reason:, suspend_until:, other_user_ids:, message: } }
let(:dependencies) { { guardian: } }
let(:guardian) { admin.guardian }
let(:user_id) { user.id }
let(:other_user_ids) { other_user.id }
@ -41,51 +42,45 @@ RSpec.describe User::Suspend do
it { is_expected.to fail_a_contract }
end
context "when data is valid" do
context "when provided user does not exist" do
let(:user_id) { 0 }
context "when provided user does not exist" do
let(:user_id) { 0 }
it { is_expected.to fail_to_find_a_model(:user) }
it { is_expected.to fail_to_find_a_model(:user) }
end
context "when user is already suspended" do
before do
UserSuspender.new(user, by_user: admin, suspended_till: suspend_until, reason:).suspend
end
context "when provided user exists" do
context "when user is already suspended" do
before do
UserSuspender.new(user, by_user: admin, suspended_till: suspend_until, reason:).suspend
end
it { is_expected.to fail_a_policy(:not_suspended_already) }
end
it { is_expected.to fail_a_policy(:not_suspended_already) }
end
context "when all users cannot be suspended" do
let(:other_user_ids) { [other_user.id, Fabricate(:admin).id].join(",") }
context "when user is not already suspended" do
context "when all users cannot be suspended" do
let(:other_user_ids) { [other_user.id, Fabricate(:admin).id].join(",") }
it { is_expected.to fail_a_policy(:can_suspend_all_users) }
end
it { is_expected.to fail_a_policy(:can_suspend_all_users) }
end
context "when everything's ok" do
before { allow(User::Action::TriggerPostAction).to receive(:call) }
context "when all users can be suspended" do
before { allow(User::Action::TriggerPostAction).to receive(:call) }
it "suspends all provided users" do
result
expect([user, other_user].map(&:reload)).to all be_suspended
end
it "suspends all provided users" do
result
expect([user, other_user].map(&:reload)).to all be_suspended
end
it "triggers a post action" do
result
expect(User::Action::TriggerPostAction).to have_received(:call).with(
guardian:,
post: nil,
contract: result[:contract],
)
end
it "triggers a post action" do
result
expect(User::Action::TriggerPostAction).to have_received(:call).with(
guardian:,
post: nil,
contract: result[:contract],
)
end
it "exposes the full reason in the result object" do
expect(result[:full_reason]).to eq("spam\n\nit was spam")
end
end
end
it "exposes the full reason in the result object" do
expect(result[:full_reason]).to eq("spam\n\nit was spam")
end
end
end