discourse/app/services/user_silencer.rb

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# frozen_string_literal: true
require_dependency 'staff_message_format'
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class UserSilencer
attr_reader :user_history
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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.silence(user, by_user = nil, opts = {})
UserSilencer.new(user, by_user, opts).silence
end
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def self.unsilence(user, by_user = nil, opts = {})
UserSilencer.new(user, by_user, opts).unsilence
end
def self.was_silenced_for?(post)
return false if post.blank?
UserHistory.where(action: UserHistory.actions[:silence_user], post: post).exists?
end
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def silence
hide_posts unless @opts[:keep_posts]
unless @user.silenced_till.present?
@user.silenced_till = @opts[:silenced_till] || 1000.years.from_now
if @user.save
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message_type = @opts[:message] || :silenced_by_staff
details = StaffMessageFormat.new(
:silence,
@opts[:reason],
@opts[:message_body]
).format
context = "#{message_type}: '#{post.topic&.title rescue ''}' #{@opts[:reason]}"
SystemMessage.create(@user, message_type)
if @by_user
log_params = { context: context, details: details }
log_params[:post_id] = @opts[:post_id].to_i if @opts[:post_id]
@user_history = StaffActionLogger.new(@by_user).log_silence_user(
@user,
log_params
)
end
DiscourseEvent.trigger(
:user_silenced,
user: @user,
silenced_by: @by_user,
reason: @opts[:reason],
message: @opts[:message_body],
user_history: @user_history,
post_id: @opts[:post_id],
silenced_till: @user.silenced_till,
silenced_at: DateTime.now
)
return true
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
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def unsilence
@user.silenced_till = nil
if @user.save
DiscourseEvent.trigger(:user_unsilenced, user: @user)
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SystemMessage.create(@user, :unsilenced)
StaffActionLogger.new(@by_user).log_unsilence_user(@user) if @by_user
end
end
end