Module: Mongoid::Flaggable::ClassMethods

Defined in:
lib/mongoid_flaggable/class_methods.rb

Instance Method Summary collapse

Instance Method Details

#bulk_add_flag!(flag, conditions = {}) ⇒ Object 



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# File 'lib/mongoid_flaggable/class_methods.rb', line 58

def bulk_add_flag!(flag, conditions = {})
	where(conditions).add_to_set(:flag_array, flag.to_s)
end

#bulk_remove_flag!(flag, conditions = {}) ⇒ Object 



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# File 'lib/mongoid_flaggable/class_methods.rb', line 62

def bulk_remove_flag!(flag, conditions = {})
	where(conditions).pull(:flag_array, flag.to_s)
end

#by_all_flags(*flags) ⇒ Object Also known as: by_flag, by_flags 



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# File 'lib/mongoid_flaggable/class_methods.rb', line 37

def by_all_flags(*flags)
	flags.flatten!
	where(:flag_array.all => flags)
end

#by_any_flags(*flags) ⇒ Object 



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# File 'lib/mongoid_flaggable/class_methods.rb', line 44

def by_any_flags(*flags)
	flags.flatten!
	where(:flag_array.in => flags)
end

#distinct_flags ⇒ Object 



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# File 'lib/mongoid_flaggable/class_methods.rb', line 66

def distinct_flags
	distinct :flag_array
end

#flag_count(*flags) ⇒ Object 



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# File 'lib/mongoid_flaggable/class_methods.rb', line 49

def flag_count(*flags)
	flags.flatten!
	if flags.size == 1
		where(:flag_array => flags.first).count
	else
		by_all_flags(flags).count
	end
end

#flag_frequency ⇒ Object 



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# File 'lib/mongoid_flaggable/class_methods.rb', line 4

def flag_frequency
	aggregation = collection.aggregate([
		{
			'$match' => {
				'flag_array' => {
					'$ne' => nil
				}
			}
		},
		{
			'$project' => {
				'flag_array' => 1
			}
		},
		{
			'$unwind' => '$flag_array'
		},
		{
			'$group' => {
				'_id' => '$flag_array',
				'count' => {
					'$sum' => 1
				}
			}
		}
	])
	aggregation.map!(&:values)
	aggregation.sort_by! do |value|
		value.last * -1
	end
	Hash[aggregation]
end