Clean up `Setting` model and remove dead code (#28661)

pull/28662/head
Claire 2024-01-09 15:01:53 +01:00 committed by GitHub
parent 4e02838832
commit 10203bd57a
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3 changed files with 15 additions and 106 deletions

View File

@ -1,79 +0,0 @@
# frozen_string_literal: true
module Settings
class ScopedSettings
DEFAULTING_TO_UNSCOPED = %w(
theme
noindex
).freeze
def initialize(object)
@object = object
end
def method_missing(method, *args)
method_name = method.to_s
# set a value for a variable
if method_name[-1] == '='
var_name = method_name.sub('=', '')
value = args.first
self[var_name] = value
else
# retrieve a value
self[method_name]
end
end
def respond_to_missing?(*)
true
end
def all_as_records
vars = thing_scoped
records = vars.index_by(&:var)
Setting.default_settings.each do |key, default_value|
next if records.key?(key) || default_value.is_a?(Hash)
records[key] = Setting.new(var: key, value: default_value)
end
records
end
def []=(key, value)
key = key.to_s
record = thing_scoped.find_or_initialize_by(var: key)
record.update!(value: value)
Rails.cache.write(Setting.cache_key(key, @object), value)
end
def [](key)
Rails.cache.fetch(Setting.cache_key(key, @object)) do
db_val = thing_scoped.find_by(var: key.to_s)
if db_val
default_value = ScopedSettings.default_settings[key]
return default_value.with_indifferent_access.merge!(db_val.value) if default_value.is_a?(Hash)
db_val.value
else
ScopedSettings.default_settings[key]
end
end
end
class << self
def default_settings
defaulting = DEFAULTING_TO_UNSCOPED.index_with { |k| Setting[k] }
Setting.default_settings.merge!(defaulting)
end
end
protected
def thing_scoped
Setting.unscoped.where(thing_type: @object.class.base_class.to_s, thing_id: @object.id)
end
end
end

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@ -67,10 +67,6 @@ class Setting < ApplicationRecord
end end
# rubocop:enable Style/MissingRespondToMissing # rubocop:enable Style/MissingRespondToMissing
def object(var_name)
find_by(var: var_name.to_s)
end
def cache_prefix_by_startup def cache_prefix_by_startup
@cache_prefix_by_startup ||= Digest::MD5.hexdigest(default_settings.to_s) @cache_prefix_by_startup ||= Digest::MD5.hexdigest(default_settings.to_s)
end end
@ -81,16 +77,14 @@ class Setting < ApplicationRecord
def [](key) def [](key)
Rails.cache.fetch(cache_key(key)) do Rails.cache.fetch(cache_key(key)) do
db_val = object(key) db_val = find_by(var: key)
db_val ? db_val.value : default_settings[key] db_val ? db_val.value : default_settings[key]
end end
end end
# set a setting value by [] notation # set a setting value by [] notation
def []=(var_name, value) def []=(var_name, value)
var_name = var_name.to_s record = find_or_initialize_by(var: var_name.to_s)
record = object(var_name) || new(var: var_name)
record.value = value record.value = value
record.save! record.save!
end end
@ -100,7 +94,7 @@ class Setting < ApplicationRecord
content = Rails.root.join('config', 'settings.yml').read content = Rails.root.join('config', 'settings.yml').read
hash = content.empty? ? {} : YAML.safe_load(ERB.new(content).result, aliases: true).to_hash hash = content.empty? ? {} : YAML.safe_load(ERB.new(content).result, aliases: true).to_hash
@default_settings = hash[Rails.env] || {} @default_settings = (hash[Rails.env] || {}).freeze
end end
end end

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@ -23,38 +23,32 @@ RSpec.describe Setting do
context 'when Rails.cache does not exists' do context 'when Rails.cache does not exists' do
before do before do
allow(described_class).to receive(:object).with(key).and_return(object)
allow(described_class).to receive(:default_settings).and_return(default_settings) allow(described_class).to receive(:default_settings).and_return(default_settings)
Fabricate(:setting, var: key, value: nil) Fabricate(:setting, var: key, value: 42) if save_setting
Rails.cache.delete(cache_key) Rails.cache.delete(cache_key)
end end
let(:object) { nil }
let(:default_value) { 'default_value' } let(:default_value) { 'default_value' }
let(:default_settings) { { key => default_value } } let(:default_settings) { { key => default_value } }
let(:save_setting) { true }
it 'calls Setting.object' do context 'when the setting has been saved to database' do
allow(described_class).to receive(:object).with(key) it 'returns the value from database' do
callback = double
allow(callback).to receive(:call)
described_class[key] ActiveSupport::Notifications.subscribed callback, 'sql.active_record' do
expect(described_class[key]).to eq 42
end
expect(described_class).to have_received(:object).with(key) expect(callback).to have_received(:call)
end
context 'when Setting.object returns truthy' do
let(:object) { db_val }
let(:db_val) { instance_double(described_class, value: 'db_val') }
let(:default_value) { 'default_value' }
it 'returns db_val.value' do
expect(described_class[key]).to be db_val.value
end end
end end
context 'when Setting.object returns falsey' do context 'when the setting has not been saved to database' do
let(:object) { nil } let(:save_setting) { false }
it 'returns default_settings[key]' do it 'returns default_settings[key]' do
expect(described_class[key]).to be default_settings[key] expect(described_class[key]).to be default_settings[key]