How do I count unread comments using “Unread” Ruby gem?

comments_helper.rb:

module CommentsHelper
def unread_comments_count
@comments_count = Comment.unread_by(user).count
end
end


In my ApplicationController, I defined user:

ApplicationController

user

def user
@user = User.find_by(params[:user_id])
end


I could have used current_user, but the result I got (with that) is total number of comments in my database. So, I thought I should use user. But it didn't work.

current_user

user

view:

<%= unread_comments_count %>


However, the result is still total number of all the comments made on all the posts by all users. I can't actually figure out what I am doing wrong because I have carefully done everything right in my Models as guided by the gem.

I would appreciate any clue to fix this.

Update

The query it generates is:

SELECT COUNT(*) FROM "comments" 'LEFT JOIN read_marks ON read_marks.readable_type = "Message" AND read_marks.readable_id = comments.id AND read_marks.reader_id = 1 AND read_marks.reader_type = 'User' AND read_marks.timestamp >= comments.created_at WHERE read_marks.id IS NULL


Comment.unread_by(user).count

rails console

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