Class: ActiveScaffold::Tableless

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/active_scaffold/tableless.rb

Defined Under Namespace

Modules: Association, CollectionAssociation, RelationExtension, SingularAssociation Classes: AssociationScope, Column, Connection, Relation, StatementCache

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.column(name, sql_type = nil, options = {}) ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 185

def self.column(name, sql_type = nil, options = {})
  column = Column.new(name.to_s, options[:default], sql_type.to_s, options.key?(:null) ? options[:null] : true)
  column.tap { columns << column }
end

.columns ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 170

def self.columns
  @tableless_columns ||= []
end

.columns_hash ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 158

def self.columns_hash
  if self < ActiveScaffold::Tableless
    @columns_hash ||= Hash[columns.map { |c| [c.name, c] }]
  else
    super
  end
end

.connection ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 181

def self.connection
  @connection ||= Connection.new(self)
end

.execute_simple_calculation(relation, operation, column_name, distinct) ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 198

def self.execute_simple_calculation(relation, operation, column_name, distinct)
  if operation == 'count' && [relation.klass.primary_key, :all].include?(column_name)
    find_all(relation).size
  else
    raise "self.execute_simple_calculation must be implemented in a Tableless model to support #{operation} #{column_name}#{' distinct' if distinct} columns"
  end
end

.find_all(relation) ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 190

def self.find_all(relation)
  raise 'self.find_all must be implemented in a Tableless model'
end

.find_one(id, relation) ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 194

def self.find_one(id, relation)
  raise 'self.find_one must be implemented in a Tableless model'
end

.initialize_find_by_cache ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 165

def self.initialize_find_by_cache
  self.find_by_statement_cache = Hash.new { |h, k| h[k] = StatementCache.new(k) }
end

.table_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/tableless.rb', line 176

def self.table_exists?
  true
end

.table_name ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 173

def self.table_name
  @table_name ||= ActiveModel::Naming.plural(self)
end

Instance Method Details

#_create_record ⇒ Object Also known as: create_record, create

:nodoc:



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# File 'lib/active_scaffold/tableless.rb', line 210

def _create_record #:nodoc:
  run_callbacks(:create) {}
end

#_update_record ⇒ Object Also known as: update_record, update

:nodoc:



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# File 'lib/active_scaffold/tableless.rb', line 216

def _update_record(*) #:nodoc:
  run_callbacks(:update) {}
end

#destroy ⇒ Object 



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# File 'lib/active_scaffold/tableless.rb', line 206

def destroy
  raise 'destroy must be implemented in a Tableless model'
end