Contents

module ForestLiana
  class OperatorValueParser

    def self.parse(value)
      operator = nil

      if value.first == '!'
        operator = '!='
        value.slice!(0)
      elsif value.first == '>'
        operator = '>'
        value.slice!(0)
      elsif value.first == '<'
        operator = '<'
        value.slice!(0)
      elsif value.include?('*')
        operator = 'LIKE'
        value.gsub!('*', '%')
      elsif value === '$present'
        operator = 'IS NOT NULL'
        value = nil
      elsif value === '$blank'
        operator = 'IS NULL'
        value = nil
      else
        operator = '='
      end

      [operator, value]
    end

    def self.add_where(query, field, operator, value, resource)
      field_name = self.get_field_name(field, resource)

      operator_date_interval_parser = OperatorDateIntervalParser.new(value)
      if operator_date_interval_parser.is_interval_date_value()
        filter = operator_date_interval_parser.get_interval_date_filter()
        query = query.where("#{field_name} #{filter}")
      else
        # NOTICE: Set the integer value instead of a string if "enum" type
        if resource.defined_enums.has_key?(field)
          value = resource.defined_enums[field][value]
        end

        where = "#{field_name} #{operator}"
        where += " '#{value}'" if value
        query = query.where(where)
      end
    end

    def self.get_field_name(field, resource)
      if field.split(':').size < 2
        "#{resource.quoted_table_name}." +
        "#{ActiveRecord::Base.connection.quote_column_name(field)}"
      else
        association = field.split(':')[0].pluralize
        "#{ActiveRecord::Base.connection.quote_column_name(association)}." +
        "#{ActiveRecord::Base.connection.quote_column_name(field.split(':')[1])}"
      end
    end

  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
forest_liana-1.3.36	app/services/forest_liana/operator_value_parser.rb
forest_liana-1.3.35	app/services/forest_liana/operator_value_parser.rb
forest_liana-1.3.34	app/services/forest_liana/operator_value_parser.rb
forest_liana-1.3.33	app/services/forest_liana/operator_value_parser.rb