Class: ForestLiana::QueryStatGetter

Inherits:
Object
  • Object
show all
Defined in:
app/services/forest_liana/query_stat_getter.rb

Constant Summary collapse

CHART_TYPE_VALUE = 
'Value'
CHART_TYPE_PIE = 
'Pie'
CHART_TYPE_LINE = 
'Line'
CHART_TYPE_LEADERBOARD = 
'Leaderboard'
CHART_TYPE_OBJECTIVE = 
'Objective'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params) ⇒ QueryStatGetter

Returns a new instance of QueryStatGetter.



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# File 'app/services/forest_liana/query_stat_getter.rb', line 11

def initialize(params)
  @params = params
end

Instance Attribute Details

#record ⇒ Object

Returns the value of attribute record.



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# File 'app/services/forest_liana/query_stat_getter.rb', line 3

def record
  @record
end

Instance Method Details

#perform ⇒ Object 



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# File 'app/services/forest_liana/query_stat_getter.rb', line 15

def perform
  context_variables = Utils::ContextVariables.new(nil, nil, @params['contextVariables'])
  raw_query = Utils::ContextVariablesInjector.inject_context_in_value(@params['query'].strip, context_variables)

  LiveQueryChecker.new(raw_query, 'Live Query Chart').validate()

  if @params['record_id']
    raw_query.gsub!('?', @params['record_id'].to_s)
  end
  result = ActiveRecord::Base.connection.execute(raw_query)

  case @params['type']
  when CHART_TYPE_VALUE
    if result.count
      result_line = ForestLiana::AdapterHelper.format_live_query_value_result(result)
      if result_line
        if !result_line.key?('value')
          raise error_message(result_line, "'value'")
        else
          @record = Model::Stat.new(value: {
            countCurrent: result_line['value'],
            countPrevious: result_line['previous']
          })
        end
      else
        @record = Model::Stat.new(value: { countCurrent: 0, countPrevious: 0 })
      end
    end
  when CHART_TYPE_PIE, CHART_TYPE_LEADERBOARD
    if result.count
      values = ForestLiana::AdapterHelper.format_live_query_pie_result(result)

      values.each do |result_line|
        if !result_line.key?('value') || !result_line.key?('key')
          raise error_message(result_line, "'key', 'value'")
        end
      end

      @record = Model::Stat.new(value: values)
    end
  when CHART_TYPE_LINE
    if result.count
      values = ForestLiana::AdapterHelper.format_live_query_line_result(result)

      values.each do |result_line|
        if !result_line.key?('value') || !result_line.key?('key')
          raise error_message(result_line, "'key', 'value'")
        end
      end

      result_formatted = values.map do |result_line|
        { label: result_line['key'], values: { value: result_line['value'] }}
      end

      @record = Model::Stat.new(value: result_formatted)
    end
  when CHART_TYPE_OBJECTIVE
    if result.count
      result_line = ForestLiana::AdapterHelper.format_live_query_value_result(result)
      if result_line
        if !result_line.key?('value') || !result_line.key?('objective')
          raise error_message(result_line, "'value', 'objective'")
        else
          @record = Model::Stat.new(value: {
            value: result_line['value'],
            objective: result_line['objective']
          })
        end
      else
        @record = Model::Stat.new(value: { value: 0, objective: 0 })
      end
    end
  end
end