Class: ForeignKeyChecker::Result

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Result

Returns a new instance of Result.



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# File 'lib/foreign_key_checker.rb', line 8

def initialize(data)
  data.each do |key, value|
    instance_variable_set("@#{key}", value)
  end
end

Instance Attribute Details

#association ⇒ Object (readonly)

Returns the value of attribute association.



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# File 'lib/foreign_key_checker.rb', line 7

def association
  @association
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/foreign_key_checker.rb', line 7

def model
  @model
end

Instance Method Details

#from_column ⇒ Object 



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# File 'lib/foreign_key_checker.rb', line 22

def from_column
  association.foreign_key
end

#from_table ⇒ Object 



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# File 'lib/foreign_key_checker.rb', line 14

def from_table
  model.table_name
end

#human_relation ⇒ Object 



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# File 'lib/foreign_key_checker.rb', line 30

def human_relation
  "#{from_table} belongs_to #{to_table} (by column #{from_column} to #{to_column})"
end

#inspect ⇒ Object 



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# File 'lib/foreign_key_checker.rb', line 36

def inspect
  "#<#{self.class.name}:#{self.object_id} #{message}>"
end

#message ⇒ Object 



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# File 'lib/foreign_key_checker.rb', line 34

def message; end

#nullable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/foreign_key_checker.rb', line 40

def nullable?
  model.columns_hash[from_column.to_s].null
end

#to_column ⇒ Object 



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# File 'lib/foreign_key_checker.rb', line 26

def to_column
  association.klass.primary_key
end

#to_table ⇒ Object 



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# File 'lib/foreign_key_checker.rb', line 18

def to_table
  association.klass.table_name
end