1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
# frozen_string_literal: true
class TagSearchService < BaseService
def call(query, options = {})
@query = query.strip.gsub(/\A#/, '')
@offset = options.delete(:offset).to_i
@limit = options.delete(:limit).to_i
@options = options
results = from_elasticsearch if Chewy.enabled?
results ||= from_database
results
end
private
def from_elasticsearch
query = {
function_score: {
query: {
multi_match: {
query: @query,
fields: %w(name.edge_ngram name),
type: 'most_fields',
operator: 'and',
},
},
functions: [
{
field_value_factor: {
field: 'usage',
modifier: 'log2p',
missing: 0,
},
},
{
gauss: {
last_status_at: {
scale: '7d',
offset: '14d',
decay: 0.5,
},
},
},
],
boost_mode: 'multiply',
},
}
filter = {
bool: {
should: [
{
term: {
reviewed: {
value: true,
},
},
},
{
match: {
name: {
query: @query,
},
},
},
],
},
}
definition = TagsIndex.query(query)
definition = definition.filter(filter) if @options[:exclude_unreviewed]
definition.limit(@limit).offset(@offset).objects.compact
rescue Faraday::ConnectionFailed, Parslet::ParseFailed
nil
end
def from_database
Tag.search_for(@query, @limit, @offset, @options)
end
end
|
