Class: DatabaseConsistency::Checkers::AssociationChecker

Inherits:
BaseChecker
  • Object
show all
Defined in:
lib/database_consistency/checkers/association_checkers/association_checker.rb

Overview

The base class for association checkers

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseChecker

checker_name, enabled?, #enabled?, inherited, #report, #report_if_enabled?

Constructor Details

#initialize(model, association) ⇒ AssociationChecker

Returns a new instance of AssociationChecker.



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# File 'lib/database_consistency/checkers/association_checkers/association_checker.rb', line 13

def initialize(model, association)
  super()
  @model = model
  @association = association
end

Instance Attribute Details

#association ⇒ Object (readonly)

Returns the value of attribute association.



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# File 'lib/database_consistency/checkers/association_checkers/association_checker.rb', line 7

def association
  @association
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/database_consistency/checkers/association_checkers/association_checker.rb', line 7

def model
  @model
end

Class Method Details

.processor ⇒ Object 



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# File 'lib/database_consistency/checkers/association_checkers/association_checker.rb', line 9

def self.processor
  Processors::AssociationsProcessor
end

Instance Method Details

#column_or_attribute_name ⇒ Object 



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# File 'lib/database_consistency/checkers/association_checkers/association_checker.rb', line 19

def column_or_attribute_name
  @column_or_attribute_name ||= association.name.to_s
end

#foreign_key_exists? ⇒ Boolean

rubocop:disable Metrics/AbcSize

Returns:

  • (Boolean) 


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# File 'lib/database_consistency/checkers/association_checkers/association_checker.rb', line 27

def foreign_key_exists? # rubocop:disable Metrics/AbcSize
  model.connection.foreign_keys(model.table_name).any? do |foreign_key|
    (Helper.extract_columns(association.foreign_key.to_s) - Array.wrap(foreign_key.column)).empty? &&
      foreign_key.to_table == association.klass.table_name
  end
end

#table_or_model_name ⇒ Object 



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# File 'lib/database_consistency/checkers/association_checkers/association_checker.rb', line 23

def table_or_model_name
  @table_or_model_name ||= model.name.to_s
end