Class: IseshimaStore::WhereClause

Inherits:
Object
  • Object
show all
Defined in:
lib/iseshima_store/where_clause.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass) ⇒ WhereClause 



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# File 'lib/iseshima_store/where_clause.rb', line 5

def initialize(klass)
  # whereチェーンされているモデルのクラス
  @klass = klass
  @conditions = []
end

Instance Attribute Details

#conditions ⇒ Object (readonly)

Returns the value of attribute conditions.



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# File 'lib/iseshima_store/where_clause.rb', line 3

def conditions
  @conditions
end

Instance Method Details

#+(condition) ⇒ Object 



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# File 'lib/iseshima_store/where_clause.rb', line 11

def +(condition)

  # conditions like where(name: 'taro', email: '[email protected]')
  if condition.is_a?(Hash)
    condition.each do |property, value|
      property = property.to_s
      if property == 'id'
        datastore = IseshimaStore::Connection.current
        key = datastore.key(@klass.to_s, value.to_i)
        @conditions << ['__key__', '=', key]
      else
        @conditions << [property, '=', value]
      end
    end
  # condisions like where('age', '>=', 16)
  elsif condition.is_a?(Array) && condition.length == 3
    @conditions << condition
  # Other
  else
    raise ArgumentError.new("wrong format of arguments")
  end

  self
end