Class: TypeScopes

Inherits:
Object
  • Object
show all
Defined in:
lib/type_scopes.rb,
lib/type_scopes/version.rb

Direct Known Subclasses

Boolean, Numeric, String, Time

Defined Under Namespace

Classes: Boolean, Numeric, String, Time

Constant Summary collapse

VERSION = 
"0.6.1".freeze

Class Method Summary collapse

Class Method Details

.append_scope(model, name, block) ⇒ Object 



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

def self.append_scope(model, name, block)
  model.scope(name, block) if !model.respond_to?(name, true)
end

.inject(model, column_names = nil) ⇒ Object 



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# File 'lib/type_scopes.rb', line 2

def self.inject(model, column_names = nil)
  column_names ||= model.table_exists? ? model.columns.map(&:name) : []
  for name in column_names
    if column = model.columns_hash[name]
      Time.support?(column.sql_type) && Time.inject_for_column(model, name)
      String.support?(column.sql_type) && String.inject_for_column(model, name)
      Numeric.support?(column.sql_type) && Numeric.inject_for_column(model, name)
      Boolean.support?(column.sql_type) && Boolean.inject_for_column(model, name)
    end
  end
end

.inject_for_column(model, name) ⇒ Object

Raises:

  • (NotImplementedError) 


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

def self.inject_for_column(model, name)
  raise NotImplementedError
end

.support?(column_type) ⇒ Boolean

Returns:



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

def self.support?(column_type)
  types.any? { |type| column_type.include?(type) }
end

.types ⇒ Object

Raises:

  • (NotImplementedError) 


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

def self.types
  raise NotImplementedError
end