discourse/app/models/theme.rb

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# frozen_string_literal: true
require_dependency 'global_path'
require 'csv'
require 'json_schemer'
class Theme < ActiveRecord::Base
include GlobalPath
attr_accessor :child_components
@cache = DistributedCache.new('theme')
belongs_to :user
belongs_to :color_scheme
has_many :theme_fields, dependent: :destroy
has_many :theme_settings, dependent: :destroy
has_many :theme_translation_overrides, dependent: :destroy
has_many :child_theme_relation, class_name: 'ChildTheme', foreign_key: 'parent_theme_id', dependent: :destroy
has_many :parent_theme_relation, class_name: 'ChildTheme', foreign_key: 'child_theme_id', dependent: :destroy
has_many :child_themes, -> { order(:name) }, through: :child_theme_relation, source: :child_theme
has_many :parent_themes, -> { order(:name) }, through: :parent_theme_relation, source: :parent_theme
has_many :color_schemes
belongs_to :remote_theme, dependent: :destroy
has_one :theme_modifier_set, dependent: :destroy
has_one :settings_field, -> { where(target_id: Theme.targets[:settings], name: "yaml") }, class_name: 'ThemeField'
has_one :javascript_cache, dependent: :destroy
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has_many :locale_fields, -> { filter_locale_fields(I18n.fallbacks[I18n.locale]) }, class_name: 'ThemeField'
has_many :upload_fields, -> { where(type_id: ThemeField.types[:theme_upload_var]).preload(:upload) }, class_name: 'ThemeField'
has_many :extra_scss_fields, -> { where(target_id: Theme.targets[:extra_scss]) }, class_name: 'ThemeField'
validate :component_validations
after_create :update_child_components
scope :user_selectable, ->() {
where('user_selectable OR id = ?', SiteSetting.default_theme_id)
}
scope :include_relations, -> {
includes(:child_themes,
:parent_themes,
:remote_theme,
:theme_settings,
:settings_field,
:locale_fields,
:user,
:color_scheme,
theme_fields: :upload
)
}
def notify_color_change(color, scheme: nil)
scheme ||= color.color_scheme
changed_colors << color if color
changed_schemes << scheme if scheme
end
def theme_modifier_set
super || build_theme_modifier_set
end
after_save do
changed_colors.each(&:save!)
changed_schemes.each(&:save!)
changed_colors.clear
changed_schemes.clear
changed_fields.each(&:save!)
changed_fields.clear
theme_modifier_set.save!
if saved_change_to_name?
theme_fields.select(&:basic_html_field?).each(&:invalidate_baked!)
end
Theme.expire_site_cache! if saved_change_to_color_scheme_id? || saved_change_to_user_selectable? || saved_change_to_name?
notify_with_scheme = saved_change_to_color_scheme_id?
reload
settings_field&.ensure_baked! # Other fields require setting to be **baked**
theme_fields.each(&:ensure_baked!)
update_javascript_cache!
remove_from_cache!
clear_cached_settings!
DB.after_commit { ColorScheme.hex_cache.clear }
notify_theme_change(with_scheme: notify_with_scheme)
end
def update_child_components
if !component? && child_components.present?
child_components.each do |url|
url = ThemeStore::GitImporter.new(url.strip).url
theme = RemoteTheme.find_by(remote_url: url)&.theme
theme ||= RemoteTheme.import_theme(url, user)
child_themes << theme
end
end
end
def update_javascript_cache!
all_extra_js = theme_fields.where(target_id: Theme.targets[:extra_js]).pluck(:value_baked).join("\n")
if all_extra_js.present?
js_compiler = ThemeJavascriptCompiler.new(id, name)
js_compiler.append_raw_script(all_extra_js)
settings_hash = build_settings_hash
js_compiler.prepend_settings(settings_hash) if settings_hash.present?
javascript_cache || build_javascript_cache
javascript_cache.update!(content: js_compiler.content)
else
javascript_cache&.destroy!
end
end
after_destroy do
remove_from_cache!
clear_cached_settings!
if SiteSetting.default_theme_id == self.id
Theme.clear_default!
end
if self.id
ColorScheme
.where(theme_id: self.id)
.where("id NOT IN (SELECT color_scheme_id FROM themes where color_scheme_id IS NOT NULL)")
.destroy_all
ColorScheme
.where(theme_id: self.id)
.update_all(theme_id: nil)
end
Theme.expire_site_cache!
ColorScheme.hex_cache.clear
CSP::Extension.clear_theme_extensions_cache!
SvgSprite.expire_cache
end
BASE_COMPILER_VERSION = 51
def self.compiler_version
get_set_cache "compiler_version" do
dependencies = [
BASE_COMPILER_VERSION,
Ember::VERSION,
GlobalSetting.cdn_url,
Discourse.current_hostname
]
Digest::SHA1.hexdigest(dependencies.join)
end
end
def self.get_set_cache(key, &blk)
@cache.defer_get_set(key, &blk)
end
def self.theme_ids
get_set_cache "theme_ids" do
Theme.pluck(:id)
end
end
def self.user_theme_ids
get_set_cache "user_theme_ids" do
Theme.user_selectable.pluck(:id)
end
end
def self.components_for(theme_id)
get_set_cache "theme_components_for_#{theme_id}" do
ChildTheme.where(parent_theme_id: theme_id).pluck(:child_theme_id)
end
end
def self.expire_site_cache!
Site.clear_anon_cache!
clear_cache!
ApplicationSerializer.expire_cache_fragment!("user_themes")
ColorScheme.hex_cache.clear
end
def self.clear_default!
SiteSetting.default_theme_id = -1
expire_site_cache!
end
def self.transform_ids(ids, extend: true)
return [] if ids.nil?
get_set_cache "#{extend ? "extended_" : ""}transformed_ids_#{ids.join("_")}" do
next [] if ids.blank?
ids = ids.dup
ids.uniq!
parent = ids.shift
components = ids
components.push(*components_for(parent)) if extend
components.sort!.uniq!
all_ids = [parent, *components]
disabled_ids = Theme.where(id: all_ids)
.includes(:remote_theme)
.select { |t| !t.supported? || !t.enabled? }
.pluck(:id)
all_ids - disabled_ids
end
end
def set_default!
if component
raise Discourse::InvalidParameters.new(
I18n.t("themes.errors.component_no_default")
)
end
SiteSetting.default_theme_id = id
Theme.expire_site_cache!
end
def default?
SiteSetting.default_theme_id == id
end
def supported?
if minimum_version = remote_theme&.minimum_discourse_version
return false unless Discourse.has_needed_version?(Discourse::VERSION::STRING, minimum_version)
end
if maximum_version = remote_theme&.maximum_discourse_version
return false unless Discourse.has_needed_version?(maximum_version, Discourse::VERSION::STRING)
end
true
end
def component_validations
return unless component
errors.add(:base, I18n.t("themes.errors.component_no_color_scheme")) if color_scheme_id.present?
errors.add(:base, I18n.t("themes.errors.component_no_user_selectable")) if user_selectable
errors.add(:base, I18n.t("themes.errors.component_no_default")) if default?
end
def switch_to_component!
return if component
Theme.transaction do
self.component = true
self.color_scheme_id = nil
self.user_selectable = false
Theme.clear_default! if default?
ChildTheme.where("parent_theme_id = ?", id).destroy_all
self.save!
end
end
def switch_to_theme!
return unless component
Theme.transaction do
self.enabled = true
self.component = false
ChildTheme.where("child_theme_id = ?", id).destroy_all
self.save!
end
end
FEATURE: Introduce theme/component QUnit tests (take 2) (#12661) This commit allows themes and theme components to have QUnit tests. To add tests to your theme/component, create a top-level directory in your theme and name it `test`, and Discourse will save all the files in that directory (and its sub-directories) as "tests files" in the database. While tests files/directories are not required to be organized in a specific way, we recommend that you follow Discourse core's tests [structure](https://github.com/discourse/discourse/tree/master/app/assets/javascripts/discourse/tests). Writing theme tests should be identical to writing plugins or core tests; all the `import` statements and APIs that you see in core (or plugins) to define/setup tests should just work in themes. You do need a working Discourse install to run theme tests, and you have 2 ways to run theme tests: * In the browser at the `/qunit` route. `/qunit` will run tests of all active themes/components as well as core and plugins. The `/qunit` now accepts a `theme_name` or `theme_url` params that you can use to run tests of a specific theme/component like so: `/qunit?theme_name=<your_theme_name>`. * In the command line using the `themes:qunit` rake task. This take is meant to run tests of a single theme/component so you need to provide it with a theme name or URL like so: `bundle exec rake themes:qunit[name=<theme_name>]` or `bundle exec rake themes:qunit[url=<theme_url>]`. There are some refactors to how Discourse processes JavaScript that comes with themes/components, and these refactors may break your JS customizations; see https://meta.discourse.org/t/upcoming-core-changes-that-may-break-some-themes-components-april-12/186252?u=osama for details on how you can check if your themes/components are affected and what you need to do to fix them. This commit also improves theme error handling in Discourse. We will now be able to catch errors that occur when theme initializers are run and prevent them from breaking the site and other themes/components.
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def self.lookup_field(theme_ids, target, field, skip_transformation: false)
return if theme_ids.blank?
theme_ids = [theme_ids] unless Array === theme_ids
FEATURE: Introduce theme/component QUnit tests (take 2) (#12661) This commit allows themes and theme components to have QUnit tests. To add tests to your theme/component, create a top-level directory in your theme and name it `test`, and Discourse will save all the files in that directory (and its sub-directories) as "tests files" in the database. While tests files/directories are not required to be organized in a specific way, we recommend that you follow Discourse core's tests [structure](https://github.com/discourse/discourse/tree/master/app/assets/javascripts/discourse/tests). Writing theme tests should be identical to writing plugins or core tests; all the `import` statements and APIs that you see in core (or plugins) to define/setup tests should just work in themes. You do need a working Discourse install to run theme tests, and you have 2 ways to run theme tests: * In the browser at the `/qunit` route. `/qunit` will run tests of all active themes/components as well as core and plugins. The `/qunit` now accepts a `theme_name` or `theme_url` params that you can use to run tests of a specific theme/component like so: `/qunit?theme_name=<your_theme_name>`. * In the command line using the `themes:qunit` rake task. This take is meant to run tests of a single theme/component so you need to provide it with a theme name or URL like so: `bundle exec rake themes:qunit[name=<theme_name>]` or `bundle exec rake themes:qunit[url=<theme_url>]`. There are some refactors to how Discourse processes JavaScript that comes with themes/components, and these refactors may break your JS customizations; see https://meta.discourse.org/t/upcoming-core-changes-that-may-break-some-themes-components-april-12/186252?u=osama for details on how you can check if your themes/components are affected and what you need to do to fix them. This commit also improves theme error handling in Discourse. We will now be able to catch errors that occur when theme initializers are run and prevent them from breaking the site and other themes/components.
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theme_ids = transform_ids(theme_ids) if !skip_transformation
cache_key = "#{theme_ids.join(",")}:#{target}:#{field}:#{Theme.compiler_version}"
lookup = @cache[cache_key]
return lookup.html_safe if lookup
target = target.to_sym
val = resolve_baked_field(theme_ids, target, field)
get_set_cache(cache_key) { val || "" }.html_safe
end
def self.lookup_modifier(theme_ids, modifier_name)
theme_ids = [theme_ids] unless Array === theme_ids
theme_ids = transform_ids(theme_ids)
get_set_cache("#{theme_ids.join(",")}:modifier:#{modifier_name}:#{Theme.compiler_version}") do
ThemeModifierSet.resolve_modifier_for_themes(theme_ids, modifier_name)
end
end
def self.remove_from_cache!
clear_cache!
end
def self.clear_cache!
DB.after_commit do
@cache.clear
end
end
def self.targets
FEATURE: Introduce theme/component QUnit tests (take 2) (#12661) This commit allows themes and theme components to have QUnit tests. To add tests to your theme/component, create a top-level directory in your theme and name it `test`, and Discourse will save all the files in that directory (and its sub-directories) as "tests files" in the database. While tests files/directories are not required to be organized in a specific way, we recommend that you follow Discourse core's tests [structure](https://github.com/discourse/discourse/tree/master/app/assets/javascripts/discourse/tests). Writing theme tests should be identical to writing plugins or core tests; all the `import` statements and APIs that you see in core (or plugins) to define/setup tests should just work in themes. You do need a working Discourse install to run theme tests, and you have 2 ways to run theme tests: * In the browser at the `/qunit` route. `/qunit` will run tests of all active themes/components as well as core and plugins. The `/qunit` now accepts a `theme_name` or `theme_url` params that you can use to run tests of a specific theme/component like so: `/qunit?theme_name=<your_theme_name>`. * In the command line using the `themes:qunit` rake task. This take is meant to run tests of a single theme/component so you need to provide it with a theme name or URL like so: `bundle exec rake themes:qunit[name=<theme_name>]` or `bundle exec rake themes:qunit[url=<theme_url>]`. There are some refactors to how Discourse processes JavaScript that comes with themes/components, and these refactors may break your JS customizations; see https://meta.discourse.org/t/upcoming-core-changes-that-may-break-some-themes-components-april-12/186252?u=osama for details on how you can check if your themes/components are affected and what you need to do to fix them. This commit also improves theme error handling in Discourse. We will now be able to catch errors that occur when theme initializers are run and prevent them from breaking the site and other themes/components.
2021-04-12 08:02:58 -04:00
@targets ||= Enum.new(common: 0, desktop: 1, mobile: 2, settings: 3, translations: 4, extra_scss: 5, extra_js: 6, tests_js: 7)
end
def self.lookup_target(target_id)
self.targets.invert[target_id]
end
def self.notify_theme_change(theme_ids, with_scheme: false, clear_manager_cache: true, all_themes: false)
Stylesheet::Manager.clear_theme_cache!
targets = [:mobile_theme, :desktop_theme]
if with_scheme
targets.prepend(:desktop, :mobile, :admin)
targets.append(*Discourse.find_plugin_css_assets(mobile_view: true, desktop_view: true))
Stylesheet::Manager.cache.clear if clear_manager_cache
end
if all_themes
message = theme_ids.map { |id| refresh_message_for_targets(targets, id) }.flatten
else
message = refresh_message_for_targets(targets, theme_ids).flatten
end
MessageBus.publish('/file-change', message)
end
def notify_theme_change(with_scheme: false)
DB.after_commit do
theme_ids = Theme.transform_ids([id])
self.class.notify_theme_change(theme_ids, with_scheme: with_scheme)
end
end
def self.refresh_message_for_targets(targets, theme_ids)
targets.map do |target|
Stylesheet::Manager.stylesheet_data(target.to_sym, theme_ids)
end
end
def self.resolve_baked_field(theme_ids, target, name)
if target == :extra_js
require_rebake = ThemeField.where(theme_id: theme_ids, target_id: Theme.targets[:extra_js]).
where("compiler_version <> ?", Theme.compiler_version)
require_rebake.each { |tf| tf.ensure_baked! }
require_rebake.map(&:theme_id).uniq.each do |theme_id|
Theme.find(theme_id).update_javascript_cache!
end
caches = JavascriptCache.where(theme_id: theme_ids)
caches = caches.sort_by { |cache| theme_ids.index(cache.theme_id) }
return caches.map { |c| "<script src='#{c.url}'></script>" }.join("\n")
end
list_baked_fields(theme_ids, target, name).map { |f| f.value_baked || f.value }.join("\n")
end
def self.list_baked_fields(theme_ids, target, name)
target = target.to_sym
name = name&.to_sym
if target == :translations
fields = ThemeField.find_first_locale_fields(theme_ids, I18n.fallbacks[name])
else
target = :mobile if target == :mobile_theme
target = :desktop if target == :desktop_theme
fields = ThemeField.find_by_theme_ids(theme_ids)
.where(target_id: [Theme.targets[target], Theme.targets[:common]])
fields = fields.where(name: name.to_s) unless name.nil?
fields = fields.order(:target_id)
end
fields.each(&:ensure_baked!)
fields
end
def resolve_baked_field(target, name)
list_baked_fields(target, name).map { |f| f.value_baked || f.value }.join("\n")
end
def list_baked_fields(target, name)
theme_ids = Theme.transform_ids([id], extend: name == :color_definitions)
self.class.list_baked_fields(theme_ids, target, name)
end
def remove_from_cache!
self.class.remove_from_cache!
end
def changed_fields
@changed_fields ||= []
end
def changed_colors
@changed_colors ||= []
end
def changed_schemes
@changed_schemes ||= Set.new
end
def set_field(target:, name:, value: nil, type: nil, type_id: nil, upload_id: nil)
name = name.to_s
target_id = Theme.targets[target.to_sym]
raise "Unknown target #{target} passed to set field" unless target_id
type_id ||= type ? ThemeField.types[type.to_sym] : ThemeField.guess_type(name: name, target: target)
raise "Unknown type #{type} passed to set field" unless type_id
value ||= ""
field = theme_fields.find { |f| f.name == name && f.target_id == target_id && f.type_id == type_id }
if field
if value.blank? && !upload_id
theme_fields.delete field.destroy
else
if field.value != value || field.upload_id != upload_id
field.value = value
field.upload_id = upload_id
changed_fields << field
end
end
field
else
theme_fields.build(target_id: target_id, value: value, name: name, type_id: type_id, upload_id: upload_id) if value.present? || upload_id.present?
end
end
def all_theme_variables
fields = {}
ids = Theme.transform_ids([id])
ThemeField.find_by_theme_ids(ids).where(type_id: ThemeField.theme_var_type_ids).each do |field|
next if fields.key?(field.name)
fields[field.name] = field
end
fields.values
end
def add_relative_theme!(kind, theme)
new_relation = if kind == :child
child_theme_relation.new(child_theme_id: theme.id)
else
parent_theme_relation.new(parent_theme_id: theme.id)
end
if new_relation.save
child_themes.reload
parent_themes.reload
save!
Theme.clear_cache!
else
raise Discourse::InvalidParameters.new(new_relation.errors.full_messages.join(", "))
end
end
def internal_translations
@internal_translations ||= translations(internal: true)
end
def translations(internal: false)
fallbacks = I18n.fallbacks[I18n.locale]
begin
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data = locale_fields.first&.translation_data(with_overrides: false, internal: internal, fallback_fields: locale_fields)
return {} if data.nil?
best_translations = {}
fallbacks.reverse.each do |locale|
best_translations.deep_merge! data[locale] if data[locale]
end
ThemeTranslationManager.list_from_hash(theme: self, hash: best_translations, locale: I18n.locale)
rescue ThemeTranslationParser::InvalidYaml
{}
end
end
def settings
field = settings_field
return [] unless field && field.error.nil?
settings = []
ThemeSettingsParser.new(field).load do |name, default, type, opts|
settings << ThemeSettingsManager.create(name, default, type, self, opts)
end
settings
end
def cached_settings
Discourse.cache.fetch("settings_for_theme_#{self.id}", expires_in: 30.minutes) do
build_settings_hash
end
end
def cached_default_settings
Discourse.cache.fetch("default_settings_for_theme_#{self.id}", expires_in: 30.minutes) do
settings_hash = {}
self.settings.each do |setting|
settings_hash[setting.name] = setting.default
end
settings_hash
end
end
def build_settings_hash
hash = {}
self.settings.each do |setting|
hash[setting.name] = setting.value
end
theme_uploads = {}
upload_fields.each do |field|
theme_uploads[field.name] = Discourse.store.cdn_url(field.upload.url)
end
hash['theme_uploads'] = theme_uploads if theme_uploads.present?
hash
end
def clear_cached_settings!
DB.after_commit do
Discourse.cache.delete("settings_for_theme_#{self.id}")
Discourse.cache.delete("default_settings_for_theme_#{self.id}")
end
end
def included_settings
hash = {}
Theme.where(id: Theme.transform_ids([id])).each do |theme|
hash.merge!(theme.cached_settings)
end
hash.merge!(self.cached_settings)
hash
end
def update_setting(setting_name, new_value)
target_setting = settings.find { |setting| setting.name == setting_name }
raise Discourse::NotFound unless target_setting
target_setting.value = new_value
end
def update_translation(translation_key, new_value)
target_translation = translations.find { |translation| translation.key == translation_key }
raise Discourse::NotFound unless target_translation
target_translation.value = new_value
end
def translation_override_hash
hash = {}
theme_translation_overrides.each do |override|
cursor = hash
path = [override.locale] + override.translation_key.split(".")
path[0..-2].each do |key|
cursor = (cursor[key] ||= {})
end
cursor[path[-1]] = override.value
end
hash
end
def generate_metadata_hash
{}.tap do |meta|
meta[:name] = name
meta[:component] = component
RemoteTheme::METADATA_PROPERTIES.each do |property|
meta[property] = remote_theme&.public_send(property)
meta[property] = nil if meta[property] == "URL" # Clean up old discourse_theme CLI placeholders
end
meta[:assets] = {}.tap do |hash|
theme_fields.where(type_id: ThemeField.types[:theme_upload_var]).each do |field|
hash[field.name] = field.file_path
end
end
meta[:color_schemes] = {}.tap do |hash|
schemes = self.color_schemes
# The selected color scheme may not belong to the theme, so include it anyway
schemes = [self.color_scheme] + schemes if self.color_scheme
schemes.uniq.each do |scheme|
hash[scheme.name] = {}.tap { |colors| scheme.colors.each { |color| colors[color.name] = color.hex } }
end
end
meta[:modifiers] = {}.tap do |hash|
ThemeModifierSet.modifiers.keys.each do |modifier|
value = self.theme_modifier_set.public_send(modifier)
hash[modifier] = value if !value.nil?
end
end
meta[:learn_more] = "https://meta.discourse.org/t/beginners-guide-to-using-discourse-themes/91966"
end
end
def disabled_by
find_disable_action_log&.acting_user
end
def disabled_at
find_disable_action_log&.created_at
end
def with_scss_load_paths
return yield([]) if self.extra_scss_fields.empty?
ThemeStore::ZipExporter.new(self).with_export_dir(extra_scss_only: true) do |dir|
yield ["#{dir}/stylesheets"]
end
end
def scss_variables
return if all_theme_variables.empty? && included_settings.empty?
contents = +""
all_theme_variables&.each do |field|
if field.type_id == ThemeField.types[:theme_upload_var]
if upload = field.upload
url = upload_cdn_path(upload.url)
contents << "$#{field.name}: unquote(\"#{url}\");"
end
else
contents << to_scss_variable(field.name, field.value)
end
end
included_settings&.each do |name, value|
next if name == "theme_uploads"
contents << to_scss_variable(name, value)
end
contents
end
def has_scss(target)
name = target == :embedded_theme ? :embedded_scss : :scss
list_baked_fields(target, name).count > 0
end
def convert_settings
settings.each do |setting|
setting_row = ThemeSetting.where(theme_id: self.id, name: setting.name.to_s).first
if setting_row && setting_row.data_type != setting.type
if (setting_row.data_type == ThemeSetting.types[:list] &&
setting.type == ThemeSetting.types[:string] &&
setting.json_schema.present?)
convert_list_to_json_schema(setting_row, setting)
else
Rails.logger.warn("Theme setting type has changed but cannot be converted. \n\n #{setting.inspect}")
end
end
end
end
def convert_list_to_json_schema(setting_row, setting)
schema = setting.json_schema
return if !schema
keys = schema["items"]["properties"].keys
return if !keys
current_values = CSV.parse(setting_row.value, { col_sep: '|' }).flatten
new_values = []
current_values.each do |item|
parts = CSV.parse(item, { col_sep: ',' }).flatten
props = parts.map.with_index { |p, idx| [keys[idx], p] }.to_h
new_values << props
end
schemer = JSONSchemer.schema(schema)
raise "Schema validation failed" if !schemer.valid?(new_values)
setting_row.value = new_values.to_json
setting_row.data_type = setting.type
setting_row.save!
end
def baked_js_tests_with_digest
content = theme_fields
.where(target_id: Theme.targets[:tests_js])
.each(&:ensure_baked!)
.map(&:value_baked)
.join("\n")
return [nil, nil] if content.blank?
content = <<~JS + content
(function() {
require("discourse/lib/theme-settings-store").registerSettings(#{self.id}, #{cached_default_settings.to_json}, { force: true });
})();
JS
[content, Digest::SHA1.hexdigest(content)]
end
private
def to_scss_variable(name, value)
escaped = SassC::Script::Value::String.quote(value, sass: true)
"$#{name}: unquote(#{escaped});"
end
def find_disable_action_log
if component? && !enabled?
@disable_log ||= UserHistory.where(context: id.to_s, action: UserHistory.actions[:disable_theme_component]).order("created_at DESC").first
end
end
end
# == Schema Information
#
# Table name: themes
#
# id :integer not null, primary key
2019-01-11 14:29:56 -05:00
# name :string not null
# user_id :integer not null
# created_at :datetime not null
# updated_at :datetime not null
# compiler_version :integer default(0), not null
# user_selectable :boolean default(FALSE), not null
# hidden :boolean default(FALSE), not null
# color_scheme_id :integer
# remote_theme_id :integer
# component :boolean default(FALSE), not null
# enabled :boolean default(TRUE), not null
# auto_update :boolean default(TRUE), not null
#
# Indexes
#
# index_themes_on_remote_theme_id (remote_theme_id) UNIQUE
#