Class: Parelation::Criteria::Where::DirectionalQueryApplier

Inherits:
Object
  • Object
show all
Defined in:
lib/parelation/criteria/where/directional_query_applier.rb

Constant Summary collapse

OPERATOR_MAPPING =

Returns keyword to operator mappings.

Returns:

  • (Hash) —

    keyword to operator mappings

{
  "where_gt" => ">",
  "where_gte" => ">=",
  "where_lt" => "<",
  "where_lte" => "<="
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(operator, criteria, chain) ⇒ DirectionalQueryApplier

Returns a new instance of DirectionalQueryApplier.

Parameters:

  • operator (String) —

    the named operator from the params

  • criteria (Hash) —

    the data to build query operations with

  • chain (ActiveRecord::Relation) —

    the chain to apply to



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# File 'lib/parelation/criteria/where/directional_query_applier.rb', line 28

def initialize(operator, criteria, chain)
  @operator = operator
  @criteria = criteria
  @chain = chain
end

Instance Attribute Details

#chain ⇒ ActiveRecord::Relation (readonly)

Returns:

  • (ActiveRecord::Relation) 


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# File 'lib/parelation/criteria/where/directional_query_applier.rb', line 22

def chain
  @chain
end

#criteria ⇒ Hash (readonly)

Returns:

  • (Hash) 


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# File 'lib/parelation/criteria/where/directional_query_applier.rb', line 18

def criteria
  @criteria
end

#operator ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/parelation/criteria/where/directional_query_applier.rb', line 14

def operator
  @operator
end

Instance Method Details

#apply ⇒ ActiveRecord::Relation

Returns the chain with newly applied operations.

Returns:

  • (ActiveRecord::Relation) —

    the chain with newly applied operations



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# File 'lib/parelation/criteria/where/directional_query_applier.rb', line 36

def apply
  criteria.inject(chain) do |chain, (key, value)|
    chain.where(sql, key, value)
  end
end