discourse/lib/theme_settings_manager.rb

252 lines
5.2 KiB
Ruby

# frozen_string_literal: true
class ThemeSettingsManager
attr_reader :name, :theme, :default
def self.types
ThemeSetting.types
end
def self.cast_row_value(row)
type_name = self.types.invert[row.data_type].downcase.capitalize
klass = "ThemeSettingsManager::#{type_name}".constantize
klass.cast(row.value)
end
def self.create(name, default, type, theme, opts = {})
type_name = self.types.invert[type].downcase.capitalize
klass = "ThemeSettingsManager::#{type_name}".constantize
klass.new(name, default, theme, opts)
end
def self.cast(value)
value
end
def initialize(name, default, theme, opts = {})
@name = name.to_sym
@default = default
@theme = theme
@opts = opts
@types = self.class.types
end
def value
has_record? ? db_record.value : default
end
def type_name
self.class.name.demodulize.downcase.to_sym
end
def type
@types[type_name]
end
def description
@opts[:description] # Old method of specifying description. Is now overridden by locale file
end
def requests_refresh?
@opts[:refresh]
end
def value=(new_value)
ensure_is_valid_value!(new_value)
record = has_record? ? db_record : create_record!
record.value = new_value.to_s
record.save!
record.value
end
def db_record
# theme.theme_settings will already be preloaded, so it is better to use
# `find` on an array, rather than make a round trip to the database
theme.theme_settings.to_a.find do |i|
i.name.to_s == @name.to_s && i.data_type.to_s == type.to_s
end
end
def has_record?
db_record.present?
end
def create_record!
record = ThemeSetting.new(name: @name, data_type: type, theme: @theme)
record.save!
record
end
def is_valid_value?(new_value)
true
end
def invalid_value_error_message
name = type == @types[:integer] || type == @types[:float] ? "number" : type_name
primary_key = "themes.settings_errors.#{name}_value_not_valid"
secondary_key = primary_key
secondary_key += "_min" if has_min?
secondary_key += "_max" if has_max?
translation = I18n.t(primary_key)
return translation if secondary_key == primary_key
translation += " #{I18n.t(secondary_key, min: @opts[:min], max: @opts[:max])}"
translation
end
def ensure_is_valid_value!(new_value)
unless is_valid_value?(new_value)
raise Discourse::InvalidParameters.new invalid_value_error_message
end
end
def has_min?
min = @opts[:min]
(min.is_a?(::Integer) || min.is_a?(::Float)) && min != -::Float::INFINITY
end
def has_max?
max = @opts[:max]
(max.is_a?(::Integer) || max.is_a?(::Float)) && max != ::Float::INFINITY
end
class List < self
def list_type
@opts[:list_type]
end
end
class String < self
def is_valid_value?(new_value)
(@opts[:min]..@opts[:max]).include? new_value.to_s.length
end
def textarea
@opts[:textarea]
end
def json_schema
begin
JSON.parse(@opts[:json_schema])
rescue StandardError
false
end
end
end
class Bool < self
def self.cast(value)
[true, "true"].include?(value)
end
def value
self.class.cast(super)
end
def value=(new_value)
new_value = (self.class.cast(new_value)).to_s
super(new_value)
end
end
class Integer < self
def self.cast(value)
value.to_i
end
def value
self.class.cast(super)
end
def value=(new_value)
super(self.class.cast(new_value))
end
def is_valid_value?(new_value)
(@opts[:min]..@opts[:max]).include? new_value.to_i
end
end
class Float < self
def self.cast(value)
value.to_f
end
def value
self.class.cast(super)
end
def value=(new_value)
super(self.class.cast(new_value))
end
def is_valid_value?(new_value)
(@opts[:min]..@opts[:max]).include? new_value.to_f
end
end
class Enum < self
def value
val = super
match = choices.find { |choice| choice == val || choice.to_s == val }
match || val
end
def is_valid_value?(new_value)
choices.include?(new_value) || choices.map(&:to_s).include?(new_value)
end
def choices
@opts[:choices]
end
end
class Upload < self
def value
has_record? ? cdn_url(db_record.value) : default
end
def default
upload_id = default_upload_id
return if upload_id.blank?
cdn_url(upload_id)
end
def value=(new_value)
if new_value.present?
if new_value == default
new_value = default_upload_id
else
upload = ::Upload.find_by(url: new_value)
new_value = upload.id if upload.present?
end
end
super(new_value)
end
private
def cdn_url(upload_id)
return if upload_id.blank?
upload = ::Upload.find_by_id(upload_id.to_i)
return if upload.blank?
Discourse.store.cdn_url(upload.url)
end
def default_upload_id
theme_field =
theme.theme_fields.find_by(name: @default, type_id: ThemeField.types[:theme_upload_var])
return if theme_field.blank?
theme_field.upload_id
end
end
end