Created
October 23, 2015 10:43
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ElasticSearch Support for jQuery-QueryBuilder
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| *! | |
| * jQuery QueryBuilder ElasticSearch Filter Support | |
| * Allows to convert exported rules as a ElasticSearch filter query object. | |
| * Copyright 2015 Esat Emre Demirel (http://blog.esatemre.com) | |
| */ | |
| function getRawFilter(data) { | |
| var hede = parse(data); | |
| return JSON.stringify(hede); | |
| } | |
| function parse(data) { | |
| if (!data.rules) { | |
| return {}; | |
| } | |
| var parts = []; | |
| data.rules.forEach(function (rule) { | |
| if (rule.rules && rule.rules.length > 0) { | |
| parts.push(parse(rule)); | |
| } else { | |
| parts.push(getElasticFilter(rule.operator, rule.field, changeType(rule.value, rule.type))); | |
| } | |
| }); | |
| var res = {}; | |
| if (parts.length > 0) { | |
| res[data.condition.toLowerCase()] = parts; | |
| } | |
| return res; | |
| } | |
| function format(field, value) { | |
| var object = {}; | |
| object[field] = value; | |
| return object; | |
| } | |
| function formatArray(field, value) { | |
| var object = {}, array = []; | |
| var splitted = value.toLowerCase().split(','); | |
| splitted.forEach(function (str) { array.push(str); }); | |
| object[field] = array; | |
| return object; | |
| } | |
| function escapeRegExp(str) { | |
| return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); | |
| } | |
| function changeType(value, type) { | |
| switch (type) { | |
| case 'integer': return parseInt(value); | |
| case 'double': return parseFloat(value); | |
| default: return value; | |
| } | |
| } | |
| function getElasticFilter(operator, field, value) { | |
| switch (operator) { | |
| case "equal": return { "term": format(field, value) }; | |
| case "not_equal": return { "not": { "term": format(field, value) } }; | |
| case "in": return { "terms": formatArray(field, value) }; | |
| case "not_in": return { "not": { "terms": formatArray(field, value) } }; | |
| case "less": return { "range": format(field, { 'lt': value}) }; | |
| case "less_or_equal":return { "range": format(field, { 'lte': value}) }; | |
| case "greater": return { "range": format(field, { 'gt': value}) }; | |
| case "greater_or_equal": return { "range": format(field, { 'gte': value }) }; | |
| case "between": return { "range": format(field, { 'gte': value[0], 'lte': value[1] }) }; | |
| case "not_between": return { "range": format(field, { 'lt': value[0], 'gt': value[1] }) }; | |
| case "begins_with": return { "prefix": format(field, value) }; | |
| case "not_begins_with": return {"not":{"prefix": format(field, value) }}; | |
| case "contains": return { "regexp": format(field, '.*' + escapeRegExp(value) + '.*') }; | |
| case "not_contains": return { "not": { "regexp": format(field, '.*' + escapeRegExp(value) + '.*') } }; | |
| case "ends_with": return { "regexp": format(field, '.*' + escapeRegExp(value)) }; | |
| case "not_ends_with": return { "not": { "regexp": format(field, '.*' + escapeRegExp(value)) } }; | |
| case "is_empty": return { "term": format(field, "") }; | |
| case "is_not_empty": return { "not": { "term": format(field, "") } }; | |
| case "is_null": return { "term": format(field, null) }; | |
| case "is_not_null": return { "not": { "term": format(field, null) } }; | |
| default: return {}; | |
| } | |
| } |
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How to integrate it with Query Builder plugin?