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Before, whispers were only available for staff members. Config has been changed to allow to configure privileged groups with access to whispers. Post migration was added to move from the old setting into the new one. I considered having a boolean column `whisperer` on user model similar to `admin/moderator` for performance reason. Finally, I decided to keep looking for groups as queries are only done for current user and didn't notice any N+1 queries.
38 lines
910 B
Ruby
38 lines
910 B
Ruby
# frozen_string_literal: true
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class Unread
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# This module helps us calculate unread post counts
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def initialize(topic, topic_user, guardian)
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@guardian = guardian
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@topic = topic
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@topic_user = topic_user
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end
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def unread_posts
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return 0 if @topic_user.last_read_post_number.blank?
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return 0 if do_not_notify?(@topic_user.notification_level)
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highest_post_number = @guardian.is_whisperer? ? @topic.highest_staff_post_number : @topic.highest_post_number
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return 0 if @topic_user.last_read_post_number > highest_post_number
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unread = (highest_post_number - @topic_user.last_read_post_number)
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unread = 0 if unread < 0
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unread
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end
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protected
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DO_NOT_NOTIFY_LEVELS = [
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TopicUser.notification_levels[:muted],
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TopicUser.notification_levels[:regular]
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]
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def do_not_notify?(notification_level)
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DO_NOT_NOTIFY_LEVELS.include?(notification_level)
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end
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end
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