discourse/app/services/spam_rule/auto_silence.rb

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class SpamRule::AutoSilence
def initialize(user)
@user = user
end
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def self.silence?(user)
self.new(user).silence?
end
def self.punish!(user)
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self.new(user).silence_user
end
def perform
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silence_user if silence?
end
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def silence?
return true if @user.silenced?
return false if @user.staged?
return false if @user.has_trust_level?(TrustLevel[1])
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if SiteSetting.num_spam_flags_to_silence_new_user > (0) &&
SiteSetting.num_users_to_silence_new_user > (0) &&
num_spam_flags_against_user >= (SiteSetting.num_spam_flags_to_silence_new_user) &&
num_users_who_flagged_spam_against_user >= (SiteSetting.num_users_to_silence_new_user)
return true
end
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if SiteSetting.num_tl3_flags_to_silence_new_user > (0) &&
SiteSetting.num_tl3_users_to_silence_new_user > (0) &&
num_tl3_flags_against_user >= (SiteSetting.num_tl3_flags_to_silence_new_user) &&
num_tl3_users_who_flagged >= (SiteSetting.num_tl3_users_to_silence_new_user)
return true
end
false
end
def num_spam_flags_against_user
Post.where(user_id: @user.id).sum(:spam_count)
end
def num_users_who_flagged_spam_against_user
post_ids = Post.where('user_id = ? and spam_count > 0', @user.id).pluck(:id)
return 0 if post_ids.empty?
PostAction.spam_flags.where(post_id: post_ids).pluck(:user_id).uniq.size
end
def num_tl3_flags_against_user
if flagged_post_ids.empty?
0
else
PostAction.where(post_id: flagged_post_ids).joins(:user).where('users.trust_level >= ?', 3).count
end
end
def num_tl3_users_who_flagged
if flagged_post_ids.empty?
0
else
PostAction.where(post_id: flagged_post_ids).joins(:user).where('users.trust_level >= ?', 3).pluck(:user_id).uniq.size
end
end
def flagged_post_ids
Post.where(user_id: @user.id)
.where('spam_count > 0 OR off_topic_count > 0 OR inappropriate_count > 0')
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.pluck(:id)
end
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def silence_user
Post.transaction do
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if UserSilencer.silence(@user, Discourse.system_user, message: :too_many_spam_flags) && SiteSetting.notify_mods_when_user_silenced
GroupMessage.create(Group[:moderators].name, :user_automatically_silenced, user: @user, limit_once_per: false)
end
end
end
end