118 lines
3 KiB
Ruby
118 lines
3 KiB
Ruby
# frozen_string_literal: true
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# == Featurable concern
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#
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# This concern adds features (tools) functionality to Project and Group
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# To enable features you need to call `set_available_features`
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#
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# Example:
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#
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# class ProjectFeature
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# include Featurable
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# set_available_features %i(wiki merge_request)
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module Featurable
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extend ActiveSupport::Concern
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# Can be enabled only for members, everyone or disabled
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# Access control is made only for non private containers.
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#
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# Permission levels:
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#
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# Disabled: not enabled for anyone
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# Private: enabled only for team members
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# Enabled: enabled for everyone able to access the project
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# Public: enabled for everyone (only allowed for pages)
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DISABLED = 0
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PRIVATE = 10
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ENABLED = 20
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PUBLIC = 30
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STRING_OPTIONS = HashWithIndifferentAccess.new({
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'disabled' => DISABLED,
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'private' => PRIVATE,
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'enabled' => ENABLED,
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'public' => PUBLIC
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}).freeze
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class_methods do
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def set_available_features(available_features = [])
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@available_features ||= []
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@available_features += available_features
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class_eval do
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available_features.each do |feature|
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define_method("#{feature}_enabled?") do
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public_send("#{feature}_access_level") > DISABLED # rubocop:disable GitlabSecurity/PublicSend
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end
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end
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end
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end
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def available_features
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@available_features
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end
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def access_level_attribute(feature)
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feature = ensure_feature!(feature)
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"#{feature}_access_level".to_sym
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end
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def quoted_access_level_column(feature)
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attribute = connection.quote_column_name(access_level_attribute(feature))
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table = connection.quote_table_name(table_name)
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"#{table}.#{attribute}"
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end
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def access_level_from_str(level)
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STRING_OPTIONS.fetch(level)
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end
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def str_from_access_level(level)
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STRING_OPTIONS.key(level)
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end
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def ensure_feature!(feature)
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feature = feature.model_name.plural if feature.respond_to?(:model_name)
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feature = feature.to_sym
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raise ArgumentError, "invalid feature: #{feature}" unless available_features.include?(feature)
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feature
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end
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end
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included do
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validate :allowed_access_levels
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end
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def access_level(feature)
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public_send(self.class.access_level_attribute(feature)) # rubocop:disable GitlabSecurity/PublicSend
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end
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def feature_available?(feature, user)
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get_permission(user, feature)
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end
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def string_access_level(feature)
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self.class.str_from_access_level(access_level(feature))
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end
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private
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def allowed_access_levels
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validator = lambda do |field|
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level = public_send(field) || ENABLED # rubocop:disable GitlabSecurity/PublicSend
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not_allowed = level > ENABLED
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self.errors.add(field, "cannot have public visibility level") if not_allowed
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end
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(self.class.available_features - feature_validation_exclusion).each {|f| validator.call("#{f}_access_level")}
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end
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# Features that we should exclude from the validation
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def feature_validation_exclusion
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[]
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end
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end
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