Spotify-like search/filter using ElasticSearch

elasticsearch.yml

# to store in ./config
index:
	analysis:
		analyzer:
			full_text_analyzer:
				type: custom
				tokenizer: standard
				filter: [standard, lowercase, asciifolding]
			partial_text_analyzer :
				type : custom
				tokenizer : standard
				filter    : [standard, lowercase, asciifolding, my_edge_ngram]
		filter :
			my_edge_ngram :
				type : edgeNGram
				min_gram : 1
				max_gram : 10
				side : front

my_template.json

/* to store in ./config/templates */
{
	"my_template" : {
		"template" : "*",
		"settings" : {},
		"mappings" : {
			"_default_" : {
				"properties": {
					"uid": {
						"type": "string",
						"index": "not_analyzed",
						"include_in_all": false
					},
					"title": {
						"type": "multi_field",
						"fields": {
							"title": {
								"type": "string",
								"index_analyzer": "partial_text_analyzer",
								"search_analyzer": "full_text_analyzer",
								"boost": 1
							},
							"full": {
								"type": "string",
								"analyzer": "full_text_analyzer",
								"boost": 10
							}
						}
					}
				}
			}
		}
	}
}

run.sh

elasticsearch -f -Xmx2g -Xms2g -Des.config=config/elasticsearch.yml

test.sh

# curl -XDELETE 'http://localhost:9200/myIndex/'
# curl -XPUT 'http://localhost:9200/_bulk' --data-binary @myIndex.json

curl -XPUT 'http://localhost:9200/myIndex/post/' -d '{
   "title" : "hello world",
   "uId"   : "001"
}'

curl -XGET 'http://localhost:9200/myIndex/post/' -d '{
		"query": {
			"filtered": {
				"query":{
					"match": {
						"title": {
							"query": "hell wor",
							"operator": "AND"
						}
					}
				},
				"filter": { "uId": "001" }
			}
		},
		"from": q.from || 0,
		"size": q.from || 50,
		"sort": q.sort || [{'_score': 'desc'}],
		"facets": q.facets || {}
}'