Class: InstantApi::Model::ActiveRecordQueryBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/instant_api/model/active_record_query_builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model) ⇒ ActiveRecordQueryBuilder

Returns a new instance of ActiveRecordQueryBuilder.



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# File 'lib/instant_api/model/active_record_query_builder.rb', line 6

def initialize(model)
  @model = model
end

Instance Attribute Details

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/instant_api/model/active_record_query_builder.rb', line 5

def model
  @model
end

Instance Method Details

#find_first(params) ⇒ Object

Raises:

  • (ActiveRecord::RecordNotFound) 


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# File 'lib/instant_api/model/active_record_query_builder.rb', line 20

def find_first(params)
  result = if has_associations?(params)
             query(params).first
           else
             model.find(params[:id])
           end
  raise ActiveRecord::RecordNotFound.new if !result
  result
end

#query(params) ⇒ Object 



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# File 'lib/instant_api/model/active_record_query_builder.rb', line 10

def query(params)
  if has_associations?(params)
    reflector = InstantApi::Model::AssociationReflector.new(params.resources)
    model.joins(reflector.calculate_join).
          where(reflector.calculate_conditions(params))
  else
    model.all
  end
end