Class: Toller::Filters::ColumnHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/toller/filters/column_handler.rb

Overview

Column handler for filter

Instance Method Summary collapse

Instance Method Details

#call(collection, type, value, properties) ⇒ ActiveRecord::Relation

Applies a plain where clause to collection for a non-scope filter.

If field isn't a real column on the collection's model, or the column's actual type doesn't match the declared type:, the filter is logged and skipped instead of raising (or silently applying a mismatched mutator) once the relation is evaluated.

Parameters:

  • collection (ActiveRecord::Relation) —

    the collection to filter

  • type (Symbol) —

    the filter type (e.g. :string, :integer, :boolean)

  • value (Object) —

    the raw filter param value

  • properties (Hash) —

    the filter's properties, used to resolve :field

Returns:

  • (ActiveRecord::Relation) —

    the filtered collection, or collection unchanged if :field is unknown or its actual column type doesn't match type



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# File 'lib/toller/filters/column_handler.rb', line 22

def call(collection, type, value, properties)
  field_name = properties[:field]

  return collection unless resolvable_column?(collection, field_name, type)

  mutated_value = value_mutator(type, value)

  collection.where(field_name => mutated_value)
end