Class: DatabaseValidations::Adapters::BaseAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/database_validations/lib/adapters/base_adapter.rb

Direct Known Subclasses

MysqlAdapter, PostgresqlAdapter, SqliteAdapter

Constant Summary collapse

SUPPORTED_OPTIONS = 
[].freeze
ADAPTER = 
:base

Instance Method Summary collapse

Constructor Details

#initialize(model) ⇒ BaseAdapter

Returns a new instance of BaseAdapter.



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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 7

def initialize(model)
  @model = model
end

Instance Method Details

#adapter_name ⇒ Symbol

Returns:

  • (Symbol) 


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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 35

def adapter_name
  self.class::ADAPTER
end

#find_foreign_key_by_column(column) ⇒ Object 



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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 30

def find_foreign_key_by_column(column)
  foreign_keys.find { |foreign_key| foreign_key.column.to_s == column.to_s }
end

#find_index(columns, where) ⇒ Object

Parameters:

  • columns (Array<String>)
  • where (String) 


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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 18

def find_index(columns, where)
  indexes.find { |index| Array.wrap(index.columns).map(&:to_s).sort == columns && index.where == where }
end

#find_index_by_name(index_name) ⇒ Object

Parameters:

  • index_name (String) 


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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 12

def find_index_by_name(index_name)
  indexes.find { |index| index.name == index_name }
end

#foreign_keys ⇒ Object 



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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 26

def foreign_keys
  model.connection.foreign_keys(model.table_name)
end

#indexes ⇒ Object 



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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 22

def indexes
  model.connection.indexes(model.table_name).select(&:unique)
end

#support_option?(option_name) ⇒ Boolean

Parameters:

  • option_name (Symbol)

Returns:

  • (Boolean) 


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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 41

def support_option?(option_name)
  supported_options.include?(option_name.to_sym)
end

#supported_options ⇒ Array<Symbol>

Returns:

  • (Array<Symbol>) 


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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 46

def supported_options
  self.class::SUPPORTED_OPTIONS
end

#table_name ⇒ String

Returns:

  • (String) 


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# File 'lib/database_validations/lib/adapters/base_adapter.rb', line 51

def table_name
  model.table_name
end