141 lines
3.8 KiB
Ruby
141 lines
3.8 KiB
Ruby
class NotificationRecipient
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attr_reader :user, :type, :reason
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def initialize(user, type, **opts)
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unless NotificationSetting.levels.key?(type) || type == :subscription
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raise ArgumentError, "invalid type: #{type.inspect}"
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end
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@custom_action = opts[:custom_action]
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@acting_user = opts[:acting_user]
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@target = opts[:target]
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@project = opts[:project] || default_project
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@group = opts[:group] || @project&.group
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@user = user
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@type = type
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@reason = opts[:reason]
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@skip_read_ability = opts[:skip_read_ability]
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end
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def notification_setting
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@notification_setting ||= find_notification_setting
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end
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def notification_level
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@notification_level ||= notification_setting&.level&.to_sym
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end
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def notifiable?
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return false unless has_access?
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return false if own_activity?
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# even users with :disabled notifications receive manual subscriptions
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return !unsubscribed? if @type == :subscription
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return false unless suitable_notification_level?
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# check this last because it's expensive
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# nobody should receive notifications if they've specifically unsubscribed
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return false if unsubscribed?
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true
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end
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def suitable_notification_level?
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case notification_level
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when :disabled, nil
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false
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when :custom
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custom_enabled? || %i[participating mention].include?(@type)
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when :watch, :participating
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!excluded_watcher_action?
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when :mention
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@type == :mention
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else
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false
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end
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end
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def custom_enabled?
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@custom_action && notification_setting&.event_enabled?(@custom_action)
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end
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def unsubscribed?
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return false unless @target
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return false unless @target.respond_to?(:subscriptions)
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subscription = @target.subscriptions.find_by_user_id(@user.id)
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subscription && !subscription.subscribed
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end
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def own_activity?
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return false unless @acting_user
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if user == @acting_user
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# if activity was generated by the same user, change reason to :own_activity
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@reason = NotificationReason::OWN_ACTIVITY
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# If the user wants to be notified, we must return `false`
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!@acting_user.notified_of_own_activity?
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else
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false
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end
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end
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def has_access?
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DeclarativePolicy.subject_scope do
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return false unless user.can?(:receive_notifications)
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return true if @skip_read_ability
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return false if @target && !user.can?(:read_cross_project)
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return false if @project && !user.can?(:read_project, @project)
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return true unless read_ability
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return true unless DeclarativePolicy.has_policy?(@target)
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user.can?(read_ability, @target)
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end
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end
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def excluded_watcher_action?
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return false unless @custom_action
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return false if notification_level == :custom
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NotificationSetting::EXCLUDED_WATCHER_EVENTS.include?(@custom_action)
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end
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private
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def read_ability
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return nil if @skip_read_ability
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return @read_ability if instance_variable_defined?(:@read_ability)
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@read_ability =
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case @target
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when Issuable
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:"read_#{@target.to_ability_name}"
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when Ci::Pipeline
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:read_build # We have build trace in pipeline emails
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when ActiveRecord::Base
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:"read_#{@target.class.model_name.name.underscore}"
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else
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nil
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end
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end
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def default_project
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return nil if @target.nil?
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return @target if @target.is_a?(Project)
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return @target.project if @target.respond_to?(:project)
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end
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def find_notification_setting
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project_setting = @project && user.notification_settings_for(@project)
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return project_setting unless project_setting.nil? || project_setting.global?
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group_setting = @group && user.notification_settings_for(@group)
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return group_setting unless group_setting.nil? || group_setting.global?
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user.global_notification_setting
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end
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end
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