mirror of https://github.com/requarks/wiki
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.8 KiB
82 lines
2.8 KiB
const bunyan = require('bunyan')
|
|
const level = require('levelup')
|
|
const down = require('memdown')
|
|
const SearchIndexAdder = require('search-index-adder')
|
|
const SearchIndexSearcher = require('search-index-searcher')
|
|
|
|
module.exports = function (givenOptions, moduleReady) {
|
|
const optionsLoaded = function (err, SearchIndex) {
|
|
const siUtil = require('./siUtil.js')(SearchIndex.options)
|
|
if (err) return moduleReady(err)
|
|
SearchIndex.close = siUtil.close
|
|
SearchIndex.countDocs = siUtil.countDocs
|
|
getAdder(SearchIndex, adderLoaded)
|
|
}
|
|
|
|
const adderLoaded = function (err, SearchIndex) {
|
|
if (err) return moduleReady(err)
|
|
getSearcher(SearchIndex, searcherLoaded)
|
|
}
|
|
|
|
const searcherLoaded = function (err, SearchIndex) {
|
|
if (err) return moduleReady(err)
|
|
return moduleReady(err, SearchIndex)
|
|
}
|
|
|
|
getOptions(givenOptions, optionsLoaded)
|
|
}
|
|
|
|
const getAdder = function (SearchIndex, done) {
|
|
SearchIndexAdder(SearchIndex.options, function (err, searchIndexAdder) {
|
|
SearchIndex.add = searchIndexAdder.add
|
|
SearchIndex.callbackyAdd = searchIndexAdder.concurrentAdd // deprecated
|
|
SearchIndex.concurrentAdd = searchIndexAdder.concurrentAdd
|
|
SearchIndex.createWriteStream = searchIndexAdder.createWriteStream
|
|
SearchIndex.dbWriteStream = searchIndexAdder.dbWriteStream
|
|
SearchIndex.defaultPipeline = searchIndexAdder.defaultPipeline
|
|
SearchIndex.del = searchIndexAdder.deleter
|
|
SearchIndex.deleteStream = searchIndexAdder.deleteStream
|
|
SearchIndex.flush = searchIndexAdder.flush
|
|
done(err, SearchIndex)
|
|
})
|
|
}
|
|
|
|
const getSearcher = function (SearchIndex, done) {
|
|
SearchIndexSearcher(SearchIndex.options, function (err, searchIndexSearcher) {
|
|
SearchIndex.availableFields = searchIndexSearcher.availableFields
|
|
SearchIndex.buckets = searchIndexSearcher.bucketStream
|
|
SearchIndex.categorize = searchIndexSearcher.categoryStream
|
|
SearchIndex.dbReadStream = searchIndexSearcher.dbReadStream
|
|
SearchIndex.get = searchIndexSearcher.get
|
|
SearchIndex.match = searchIndexSearcher.match
|
|
SearchIndex.scan = searchIndexSearcher.scan
|
|
SearchIndex.search = searchIndexSearcher.search
|
|
SearchIndex.totalHits = searchIndexSearcher.totalHits
|
|
done(err, SearchIndex)
|
|
})
|
|
}
|
|
|
|
const getOptions = function (options, done) {
|
|
var SearchIndex = {}
|
|
SearchIndex.options = Object.assign({}, {
|
|
indexPath: 'si',
|
|
keySeparator: '￮',
|
|
logLevel: 'error'
|
|
}, options)
|
|
options.log = bunyan.createLogger({
|
|
name: 'search-index',
|
|
level: options.logLevel
|
|
})
|
|
if (!options.indexes) {
|
|
level(SearchIndex.options.indexPath || 'si', {
|
|
valueEncoding: 'json',
|
|
db: down
|
|
}, function (err, db) {
|
|
SearchIndex.options.indexes = db
|
|
return done(err, SearchIndex)
|
|
})
|
|
} else {
|
|
return done(null, SearchIndex)
|
|
}
|
|
}
|