Class: Livelist::Rails::FilterCriteria

Inherits:
HashWithIndifferentAccess
  • Object
show all
Defined in:
lib/livelist/rails/filter_criteria.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ FilterCriteria

Returns a new instance of FilterCriteria.



12
13
14
15
16
17
18
 
# File 'lib/livelist/rails/filter_criteria.rb', line 12

def initialize(options)
  @filter              = options[:filter]
  @slug                = options[:slug]
  @metadata_properties = options[:metadata_properties] || {}

  initialize_criteria(options[:reference_criteria])
end

Instance Attribute Details

#metadata_properties ⇒ Object (readonly)

Returns the value of attribute metadata_properties.



10
11
12
 
# File 'lib/livelist/rails/filter_criteria.rb', line 10

def metadata_properties
  @metadata_properties
end

#slug ⇒ Object (readonly)

Returns the value of attribute slug.



10
11
12
 
# File 'lib/livelist/rails/filter_criteria.rb', line 10

def slug
  @slug
end

Instance Method Details

#as_json(params) ⇒ Object 



53
54
55
56
57
 
# File 'lib/livelist/rails/filter_criteria.rb', line 53

def as_json(params)
  criteria.map do |criterion|
    criterion.as_json(params)
  end
end

#counts=(counts_hash) ⇒ Object 



47
48
49
50
51
 
# File 'lib/livelist/rails/filter_criteria.rb', line 47

def counts=(counts_hash)
  criteria.each do |criterion|
    criterion.count = counts_hash[criterion.slug.to_s] || 0
  end
end

#create_criterion(reference) ⇒ Object 



38
39
40
41
 
# File 'lib/livelist/rails/filter_criteria.rb', line 38

def create_criterion(reference)
  filter_criterion = FilterCriterion.new(:filter => @filter, :criteria => self, :reference => reference)
  self[filter_criterion.slug] = filter_criterion
end

#default_reference_criteria ⇒ Object 



31
32
33
34
35
36
 
# File 'lib/livelist/rails/filter_criteria.rb', line 31

def default_reference_criteria
  case @filter.type
  when :attribute then @filter.model_class.select("distinct #{@filter.slug}")
  when :association then @filter.filter_class.scoped
  end
end

#initialize_criteria(reference_criteria) ⇒ Object 



20
21
22
23
24
 
# File 'lib/livelist/rails/filter_criteria.rb', line 20

def initialize_criteria(reference_criteria)
  reference_criteria ||= default_reference_criteria
  reference_criteria = reference_criteria.call if reference_criteria.respond_to?(:call)
  reference_criteria.each { |reference| create_criterion(reference) }
end

#set_criteria(reference_criteria) ⇒ Object 



26
27
28
29
 
# File 'lib/livelist/rails/filter_criteria.rb', line 26

def set_criteria(reference_criteria)
  clear
  reference_criteria.each { |reference| create_criterion(reference) }
end

#slugs ⇒ Object 



43
44
45
 
# File 'lib/livelist/rails/filter_criteria.rb', line 43

def slugs
  criteria.map(&:slug)
end