Class: ActiveAdmin::OrderClause

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(active_admin_config, clause) ⇒ OrderClause

Returns a new instance of OrderClause.



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# File 'lib/active_admin/order_clause.rb', line 5

def initialize(active_admin_config, clause)
  clause =~ /^([\w\_\.]+)(->'\w+')?_(desc|asc)$/
  @column = $1
  @op = $2
  @order = $3
  @active_admin_config = active_admin_config
  @field = [@column, @op].compact.join
end

Instance Attribute Details

#active_admin_config ⇒ Object (readonly)

Returns the value of attribute active_admin_config.



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# File 'lib/active_admin/order_clause.rb', line 3

def active_admin_config
  @active_admin_config
end

#field ⇒ Object (readonly)

Returns the value of attribute field.



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# File 'lib/active_admin/order_clause.rb', line 3

def field
  @field
end

#order ⇒ Object (readonly)

Returns the value of attribute order.



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# File 'lib/active_admin/order_clause.rb', line 3

def order
  @order
end

Instance Method Details

#apply(chain) ⇒ Object 



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# File 'lib/active_admin/order_clause.rb', line 18

def apply(chain)
  chain.reorder(Arel.sql sql)
end

#custom_sql ⇒ Object (protected) 



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# File 'lib/active_admin/order_clause.rb', line 41

def custom_sql
  if active_admin_config.ordering[@column].present?
    active_admin_config.ordering[@column].call(self)
  end
end

#sql ⇒ Object 



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# File 'lib/active_admin/order_clause.rb', line 35

def sql
  custom_sql || to_sql
end

#table ⇒ Object 



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# File 'lib/active_admin/order_clause.rb', line 26

def table
  active_admin_config.resource_column_names.include?(@column) ? active_admin_config.resource_table_name : nil
end

#table_column ⇒ Object 



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# File 'lib/active_admin/order_clause.rb', line 30

def table_column
  (@column =~ /\./) ? @column :
    [table, active_admin_config.resource_quoted_column_name(@column)].compact.join(".")
end

#to_sql ⇒ Object 



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# File 'lib/active_admin/order_clause.rb', line 22

def to_sql
  [table_column, @op, ' ', @order].compact.join
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_admin/order_clause.rb', line 14

def valid?
  @field.present? && @order.present?
end