Class: Lita::Handlers::Karma

Inherits:
Handler
  • Object
show all
Defined in:
lib/lita/handlers/karma.rb

Overview

Tracks karma points for arbitrary terms.

Instance Method Summary collapse

Instance Method Details

#check(response) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 43

def check(response)
  output = []

  response.matches.each do |match|
    term = normalize_term(match[0])
    total_score, own_score, links = scores_for(term)

    string = "#{term}: #{total_score}"
    unless links.empty?
      string << " (#{own_score}), linked to: #{links.join(", ")}"
    end
    output << string
  end

  response.reply *output
end

#decrement(response) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 39

def decrement(response)
  modify(response, -1)
end

#define_routes(payload) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 30

def define_routes(payload)
  define_static_routes
  define_dynamic_routes(config.term_pattern.source)
end

#delete(response) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 126

def delete(response)
  term = response.message.body.sub(/^karma delete /, "")

  redis.del("modified:#{term}")
  redis.del("links:#{term}")
  redis.smembers("linked_to:#{term}").each do |key|
    redis.srem("links:#{key}", term)
  end
  redis.del("linked_to:#{term}")

  if redis.zrem("terms", term)
    response.reply("#{term} has been deleted.")
  else
    response.reply("#{term} does not exist.")
  end
end

#increment(response) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 35

def increment(response)
  modify(response, 1)
end

#link(response) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 68

def link(response)
  response.matches.each do |match|
    term1, term2 = normalize_term(match[0]), normalize_term(match[1])

    if config.link_karma_threshold
      threshold = config.link_karma_threshold.abs

      _total_score, term2_score, _links = scores_for(term2)
      _total_score, term1_score, _links = scores_for(term1)

      if term1_score.abs < threshold || term2_score.abs < threshold
        response.reply "Terms must have less than -#{threshold} or more than #{threshold} karma to be linked or linked to."
        return
      end
    end

    if redis.sadd("links:#{term1}", term2)
      redis.sadd("linked_to:#{term2}", term1)
      response.reply "#{term2} has been linked to #{term1}."
    else
      response.reply "#{term2} is already linked to #{term1}."
    end
  end
end

#list_best(response) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 60

def list_best(response)
  list(response, :zrevrange)
end

#list_worst(response) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 64

def list_worst(response)
  list(response, :zrange)
end

#modified(response) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 106

def modified(response)
  term = normalize_term(response.args[1])

  if term.empty?
    response.reply "Format: #{robot.name}: karma modified TERM"
    return
  end

  user_ids = redis.smembers("modified:#{term}")

  if user_ids.empty?
    response.reply "#{term} has never been modified."
  else
    output = user_ids.map do |id|
      User.find_by_id(id).name
    end.join(", ")
    response.reply output
  end
end

#unlink(response) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 93

def unlink(response)
  response.matches.each do |match|
    term1, term2 = normalize_term(match[0]), normalize_term(match[1])

    if redis.srem("links:#{term1}", term2)
      redis.srem("linked_to:#{term2}", term1)
      response.reply "#{term2} has been unlinked from #{term1}."
    else
      response.reply "#{term2} is not linked to #{term1}."
    end
  end
end

#upgrade_data(payload) ⇒ Object 



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# File 'lib/lita/handlers/karma.rb', line 19

def upgrade_data(payload)
  return if redis.exists("support:reverse_links")
  redis.keys("links:*").each do |key|
    term = key.sub(/^links:/, "")
    redis.smembers(key).each do |link|
      redis.sadd("linked_to:#{link}", term)
    end
  end
  redis.incr("support:reverse_links")
end