2018-11-18 11:00:15 +05:30
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# frozen_string_literal: true
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2017-09-10 17:25:29 +05:30
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class NotificationRecipient
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2018-11-08 19:23:39 +05:30
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include Gitlab::Utils::StrongMemoize
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2018-03-17 18:26:18 +05:30
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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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2017-09-10 17:25:29 +05:30
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@user = user
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@type = type
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2018-03-17 18:26:18 +05:30
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@reason = opts[:reason]
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@skip_read_ability = opts[:skip_read_ability]
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2017-09-10 17:25:29 +05:30
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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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2018-05-09 12:01:36 +05:30
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# except if they were mentioned.
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return false if @type != :mention && 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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!action_excluded?
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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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2018-11-08 19:23:39 +05:30
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subscription = @target.subscriptions.find { |subscription| subscription.user_id == @user.id }
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2017-09-10 17:25:29 +05:30
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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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2018-03-17 18:26:18 +05:30
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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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2017-09-10 17:25:29 +05:30
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end
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def has_access?
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DeclarativePolicy.subject_scope do
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2018-10-15 14:42:47 +05:30
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break false unless user.can?(:receive_notifications)
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break true if @skip_read_ability
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2018-03-17 18:26:18 +05:30
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2018-10-15 14:42:47 +05:30
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break false if @target && !user.can?(:read_cross_project)
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break false if @project && !user.can?(:read_project, @project)
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2017-09-10 17:25:29 +05:30
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2018-10-15 14:42:47 +05:30
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break true unless read_ability
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break true unless DeclarativePolicy.has_policy?(@target)
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2017-09-10 17:25:29 +05:30
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user.can?(read_ability, @target)
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end
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end
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2018-05-09 12:01:36 +05:30
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def action_excluded?
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excluded_watcher_action? || excluded_participating_action?
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end
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2017-09-10 17:25:29 +05:30
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def excluded_watcher_action?
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2018-05-09 12:01:36 +05:30
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return false unless @custom_action && notification_level == :watch
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2017-09-10 17:25:29 +05:30
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NotificationSetting::EXCLUDED_WATCHER_EVENTS.include?(@custom_action)
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2018-05-09 12:01:36 +05:30
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end
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def excluded_participating_action?
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return false unless @custom_action && notification_level == :participating
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NotificationSetting::EXCLUDED_PARTICIPATING_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 if @skip_read_ability
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2017-09-10 17:25:29 +05:30
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return @read_ability if instance_variable_defined?(:@read_ability)
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@read_ability =
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2019-05-03 19:53:19 +05:30
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if @target.is_a?(Ci::Pipeline)
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:read_build # We have build trace in pipeline emails
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2019-05-03 19:53:19 +05:30
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elsif default_ability_for_target
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:"read_#{default_ability_for_target}"
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end
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end
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def default_ability_for_target
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@default_ability_for_target ||=
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if @target.respond_to?(:to_ability_name)
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@target.to_ability_name
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elsif @target.class.respond_to?(:model_name)
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@target.class.model_name.name.underscore
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end
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end
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2018-03-17 18:26:18 +05:30
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def default_project
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return if @target.nil?
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2018-03-17 18:26:18 +05:30
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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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2017-09-10 17:25:29 +05:30
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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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2018-11-08 19:23:39 +05:30
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group_setting = closest_non_global_group_notification_settting
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2017-09-10 17:25:29 +05:30
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2018-11-08 19:23:39 +05:30
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return group_setting unless group_setting.nil?
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2017-09-10 17:25:29 +05:30
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user.global_notification_setting
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end
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2018-11-08 19:23:39 +05:30
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2019-05-18 00:54:41 +05:30
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# Returns the notification_setting of the lowest group in hierarchy with non global level
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2018-11-08 19:23:39 +05:30
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def closest_non_global_group_notification_settting
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return unless @group
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return if indexed_group_notification_settings.empty?
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notification_setting = nil
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@group.self_and_ancestors_ids.each do |id|
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notification_setting = indexed_group_notification_settings[id]
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break if notification_setting
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end
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notification_setting
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end
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def indexed_group_notification_settings
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strong_memoize(:indexed_group_notification_settings) do
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@group.notification_settings.where(user_id: user.id)
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.where.not(level: NotificationSetting.levels[:global])
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.index_by(&:source_id)
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end
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end
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2017-09-10 17:25:29 +05:30
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end
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