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4b947d2404
This commit starts to introduce services to replace actions in the ThemesController. We will start with the low langing fruit: * Create * Destroy * BulkDestroy * GetTranslations Endpoints like #import and #update will be much harder. Also, the https://github.com/discourse/discourse-theme-creator plugin overrides some of these controller actions directly, so we need to be careful.
85 lines
2.7 KiB
Ruby
Vendored
85 lines
2.7 KiB
Ruby
Vendored
# frozen_string_literal: true
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# Creates a new theme with the provided parameters. Themes can be created
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# with various attributes including name, user selectability, color scheme,
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# and theme fields.
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#
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# Also used to create theme components.
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#
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# The theme can optionally be set as the default theme, overriding SiteSetting.default_theme_id.
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# The theme will then be used for all users on the site who haven't specifically set their
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# theme preference.
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#
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# @example
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# Themes::Create.call(
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# guardian: guardian,
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# params: {
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# name: "My Theme",
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# user_selectable: true,
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# color_scheme_id: 1,
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# component: false,
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# theme_fields: [
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# { name: "header", target: "common", value: "content", type_id: 1 }
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# ],
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# default: false
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# }
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# )
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#
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class Themes::Create
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include Service::Base
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# @!method self.call(guardian:, params:)
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# @param [Guardian] guardian
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# @param [Hash] params
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# @option params String :name The name of the theme
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# @option params Integer :user_id The ID of the user creating the theme
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# @option params [Boolean] :user_selectable Whether the theme can be selected by users
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# @option params [Integer] :color_scheme_id The ID of the color palette to use
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# @option params [Boolean] :component Whether this is a theme component. These cannot be user_selectable or have a color_scheme_id
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# @option params [Array] :theme_fields Array of theme field attributes
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# @option params [Boolean] :default Whether to set this as the default theme
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# @return [Service::Base::Context]
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params do
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attribute :name, :string
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attribute :user_id, :integer
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attribute :user_selectable, :boolean, default: false
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attribute :color_scheme_id, :integer
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attribute :component, :boolean, default: false
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attribute :theme_fields, :array
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attribute :default, :boolean, default: false
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validates :name, presence: true
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validates :user_id, presence: true
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validates :theme_fields, length: { maximum: 100 }
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end
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policy :ensure_remote_themes_are_not_allowlisted
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transaction do
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model :theme, :create_theme
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step :update_default_theme
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step :log_theme_change
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end
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private
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def ensure_remote_themes_are_not_allowlisted
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Theme.allowed_remote_theme_ids.nil?
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end
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def create_theme(params:)
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Theme.create(
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params.slice(:name, :user_id, :user_selectable, :color_scheme_id, :component),
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) { |theme| params.theme_fields.to_a.each { |field| theme.set_field(**field.symbolize_keys) } }
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end
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def update_default_theme(params:, theme:)
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theme.set_default! if params.default
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end
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def log_theme_change(theme:, guardian:)
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StaffActionLogger.new(guardian.user).log_theme_change(nil, theme)
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end
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end
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