spaminator.rb
2.69 KB
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require 'benchmark'
class AntiSpamPlugin::Spaminator
class << self
def run(environment)
instance = new(environment)
instance.run
end
def benchmark(environment)
puts Benchmark.measure { run(environment) }
end
end
def initialize(environment)
@environment = environment
end
def run
start_time = Time.now
process_all_comments
process_all_people
process_people_without_network
finish(start_time)
end
protected
def finish(start_time)
@environment.settings[:spaminator_last_run] = start_time
@environment.save!
end
def conditions(table)
last_run = @environment.settings[:spaminator_last_run]
if last_run
["profiles.environment_id = ? AND #{table}.created_at > ?", @environment.id, last_run]
else
[ "profiles.environment_id = ?", @environment.id]
end
end
def process_all_comments
puts 'Processing comments ...'
i = 0
comments = Comment.joins("JOIN articles ON (comments.source_id = articles.id AND comments.source_type = 'Article') JOIN profiles ON (profiles.id = articles.profile_id)").where(conditions(:comments))
total = comments.count
comments.find_each do |comment|
puts "Comment #{i += 1}/#{total} (#{100*i/total}%)"
process_comment(comment)
end
end
def process_all_people
puts 'Processing people ...'
i = 0
people = Person.where(conditions(:profiles))
total = people.count
people.find_each do |person|
puts "Person #{i += 1}/#{total} (#{100*i/total}%)"
process_person(person)
end
end
def process_comment(comment)
comment.check_for_spam
# TODO several comments with the same content:
# → disable author
# → mark all of them as spam
end
def process_person(person)
# person is author of more than 2 comments marked as spam
# → burn
#
number_of_spam_comments = Comment.spam.where(author_id => person.id).count
if number_of_spam_comments > 2
mark_as_spammer(person)
end
end
def process_people_without_network
# people who signed up more than one month ago, have no friends and <= 1
# communities
#
# → burn
# → mark their comments as spam
#
Person.where(:environment_id => @environment.id).where(['created_at < ?', Time.now - 1.month]).find_each do |person|
number_of_friends = person.friends.count
number_of_communities = person.communities.count
if number_of_friends == 0 && number_of_communities <= 1
mark_as_spammer(person)
Comment.where(:author_id => person.id).find_each do |comment|
comment.spam!
end
end
end
end
def mark_as_spammer(person)
person.disable
end
end