class BlazerJsonAPI::ProcessStatementVariables

Attributes

data_source[R]
params[R]
statement[R]

Public Class Methods

new(statement, data_source, params) click to toggle source
# File lib/blazer_json_api/process_statement_variables.rb, line 10
def initialize(statement, data_source, params)
  @statement = statement
  @data_source = data_source
  @params = params
end

Public Instance Methods

call() click to toggle source
# File lib/blazer_json_api/process_statement_variables.rb, line 16
def call
  bind_variables.each do |variable|
    value = params[variable].presence
    if value
      if variable.end_with?('_at')
        begin
          value = Blazer.time_zone.parse(value)
        rescue StandardError
          # do nothing
        end
      end

      if /\A\d+\z/.match?(value.to_s)
        value = value.to_i
      elsif /\A\d+\.\d+\z/.match?(value.to_s)
        value = value.to_f
      end
    end
    if Blazer.transform_variable
      value = Blazer.transform_variable.call(variable, value)
  end
    statement.gsub!("{#{variable}}", ActiveRecord::Base.connection.quote(value))
  end
end

Private Instance Methods

bind_variables() click to toggle source
# File lib/blazer_json_api/process_statement_variables.rb, line 43
def bind_variables
  @bind_variables ||=
    begin
      (bind_variables ||= []).concat(Blazer.extract_vars(statement)).uniq!
      bind_variables.each do |variable|
        params[variable] ||= Blazer.data_sources[data_source].variable_defaults[variable]
      end
    end
end