Class: Queries::Tag::Filter

Inherits:
Object
  • Object
show all
Defined in:
lib/queries/tag/filter.rb

Overview

!! does not inherit from base query

Instance Attribute Summary (collapse)

Instance Method Summary (collapse)

Constructor Details

- (Filter) initialize(params)

Returns a new instance of Filter



19
20
21
22
# File 'lib/queries/tag/filter.rb', line 19

def initialize(params)
  @keyword_id = [params[:keyword_id]].flatten.compact
  @options = params
end

Instance Attribute Details

- (Object) keyword_id

Array, Integer



16
17
18
# File 'lib/queries/tag/filter.rb', line 16

def keyword_id
  @keyword_id
end

- (Object) options

General annotator options handling happens directly on the params as passed through to the controller, keep them together here



11
12
13
# File 'lib/queries/tag/filter.rb', line 11

def options
  @options
end

Instance Method Details

- (ActiveRecord::Relation) all

Returns:

  • (ActiveRecord::Relation)


44
45
46
47
48
49
50
# File 'lib/queries/tag/filter.rb', line 44

def all
  if a = and_clauses
    ::Tag.where(and_clauses)
  else
    ::Tag.none
  end
end

- (ActiveRecord::Relation) and_clauses

Returns:

  • (ActiveRecord::Relation)


25
26
27
28
29
30
31
32
33
34
35
36
# File 'lib/queries/tag/filter.rb', line 25

def and_clauses
  clauses = [
    Queries::Annotator.annotator_params(options, ::Tag),
    matching_keyword_id,
  ].compact

  a = clauses.shift
  clauses.each do |b|
    a = a.and(b)
  end
  a
end

- (Arel::Node?) matching_keyword_id

Returns:

  • (Arel::Node, nil)


39
40
41
# File 'lib/queries/tag/filter.rb', line 39

def matching_keyword_id
  !keyword_id.empty? ? table[:keyword_id].eq_any(keyword_id)  : nil
end

- (Arel::Table) table

Returns:

  • (Arel::Table)


53
54
55
# File 'lib/queries/tag/filter.rb', line 53

def table
  ::Tag.arel_table
end