discourse/app/services/user_blocker.rb

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class UserBlocker
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def initialize(user, by_user = nil, opts = {})
@user, @by_user, @opts = user, by_user, opts
end
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def self.block(user, by_user = nil, opts = {})
UserBlocker.new(user, by_user, opts).block
end
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def self.unblock(user, by_user = nil, opts = {})
UserBlocker.new(user, by_user, opts).unblock
end
def block
hide_posts unless @opts[:keep_posts]
unless @user.blocked?
@user.blocked = true
if @user.save
message_type = @opts[:message] || :blocked_by_staff
post = SystemMessage.create(@user, message_type)
if post && @by_user
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StaffActionLogger.new(@by_user).log_block_user(@user, context: "#{message_type}: '#{post.topic&.title rescue ''}' #{@opts[:reason]}")
end
end
else
false
end
end
def hide_posts
return unless @user.trust_level == TrustLevel[0]
Post.where(user_id: @user.id).where("created_at > ?", 24.hours.ago).update_all(["hidden = true, hidden_reason_id = COALESCE(hidden_reason_id, ?)", Post.hidden_reasons[:new_user_spam_threshold_reached]])
topic_ids = Post.where(user_id: @user.id, post_number: 1).where("created_at > ?", 24.hours.ago).pluck(:topic_id)
Topic.where(id: topic_ids).update_all(visible: false) unless topic_ids.empty?
end
def unblock
@user.blocked = false
if @user.save
SystemMessage.create(@user, :unblocked)
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StaffActionLogger.new(@by_user).log_unblock_user(@user) if @by_user
end
end
end