Class: ModelsStats::Statistics

Inherits:
Object
  • Object
show all
Defined in:
lib/models_stats/statistics.rb

Constant Summary collapse

DEFAULT_SELECT_STATEMENT = 
"COUNT(id) AS count"

Class Method Summary collapse

Class Method Details

.default_group_by_values_map(group_by, model) ⇒ Object 



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# File 'lib/models_stats/statistics.rb', line 5

def self.default_group_by_values_map(group_by, model)
  model_klass = model.to_s.constantize
  if model_klass.respond_to?(:state_machine)
    state_machine_states = model_klass.state_machine.states
    state_machine_defined = !state_machine_states.first.name.nil?

    if state_machine_defined #&& value_numeric?(group_by)
      Hash[model.to_s.constantize.state_machine.states.map{|state| [state.value, state.name]}]
    else
      {}
    end
  else
    {}
  end
end

.for_period(stat_name, period = 1.month) ⇒ Object 



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# File 'lib/models_stats/statistics.rb', line 25

def self.for_period(stat_name, period = 1.month)
  model_statistics = []

  period.ago.to_date.upto(Date.yesterday) do |date|
    stat = read(stat_name, date)
    next if stat.empty?

    model_statistics << [date, stat]
  end

  all_keys = []
  stat = []

  model_statistics.each do |stat|
    stat[1].each do |key, count|
      models_count = count.to_i
      if models_count > 0
        all_keys << key unless all_keys.include?(key)
      end
    end
  end

  all_keys.each do |key|
    values = []
    model_statistics.each do |stat|
      date = stat[0]
      stat[1].each do |k, count|
        if k == key
          values << {date: date.to_s, value: count.to_i}
        end
      end
    end

    stat << values
  end

  return all_keys, stat
end

.value_numeric?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/models_stats/statistics.rb', line 21

def self.value_numeric?(value)
  !value.to_s.match(/\A[+-]?\d+?(\.\d+)?\Z/).nil?
end

.write_day(stat, stat_alias, date) ⇒ Object 



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# File 'lib/models_stats/statistics.rb', line 64

def self.write_day(stat, stat_alias, date)
  full_key = full_key(stat_alias, date)
  hash = Redis::HashKey.new(full_key, self.redis_connection)
  hash.bulk_set(stat)
end