feat(search): part words search feature

package.json

@@ -119,6 +119,7 @@
     "electron-log": "^2.2.14",
     "electron-updater": "^2.21.10",
     "fs-jetpack": "^1.2.0",
+    "glob": "^7.1.2",
     "iconv-lite": "^0.4.19",
     "ipaddr.js": "^1.5.4",
     "json-socket": "^0.3.0",

src/background/asyncForEach.js

@@ -0,0 +1,5 @@
+module.exports = async function asyncForEach(array, callback) {
+  for (let index = 0; index < array.length; index++) {
+    await callback(array[index], index, array)
+  }
+}

src/background/dbPatcher.js

@@ -4,16 +4,19 @@ const { BrowserWindow }  = require("electron");
 const url  = require('url')
 const path  = require('path')
 const fs  = require('fs')
+const glob = require("glob")
+const asyncForEach = require('./asyncForEach')
 
 const {torrentTypeDetect} = require('../app/content');
 const getTorrent = require('./gettorrent')
+const startSphinx = require('./sphinx')
 
 
-const currentVersion = 4
+const currentVersion = 5
 
 
 module.exports = async (callback, mainWindow, sphinxApp) => {
-	const sphinx = await single().waitConnection()
+	let sphinx = await single().waitConnection()
 
 	const setVersion = async (version) => {
 		await sphinx.query(`delete from version where id = 1`)
@@ -186,6 +189,72 @@ module.exports = async (callback, mainWindow, sphinxApp) => {
 
 			await setVersion(4)
 		}
+		case 4:
+		{
+			openPatchWindow()
+
+			let i = 1
+			const torrents = (await sphinx.query("SELECT COUNT(*) AS c FROM torrents"))[0].c
+
+			const torrentsArray = []
+
+			await forBigTable(sphinx, 'torrents', async (torrent) => {
+				console.log('remember index', torrent.id, torrent.name, '[', i, 'of', torrents, ']')
+				if(patchWindow)
+					patchWindow.webContents.send('reindex', {field: torrent.name, index: i++, all: torrents, torrent: true})
+
+				torrentsArray.push(torrent)
+			})
+
+			// stop sphinx
+			await new Promise((resolve) => {
+				// reopen sphinx
+				sphinx.destroy() // destory connection
+				sphinxApp.stop(resolve, true)
+			})
+
+			console.log('sphinx stoped for patching')
+
+			await new Promise((resolve) => {
+				glob(`${sphinxApp.directoryPathDb}/torrents.*`, function (er, files) {
+					files.forEach(file => {
+						console.log('clear torrents file', file)
+						fs.unlinkSync(path.resolve(file))
+					})
+					resolve()
+				})
+			})
+
+			console.log('cleaned torrents db structure, rectreating again')
+			i = 1
+			await new Promise((resolve) => {
+				// reopen sphinx
+				sphinxApp = sphinxApp.start(async () => {
+					sphinx = await single().waitConnection()
+					resolve()
+				}) // same args
+			})
+
+			console.log('sphinx restarted, patch db now')
+
+			await asyncForEach(torrentsArray, async (torrent) => {
+				console.log('update index', torrent.id, torrent.name, '[', i, 'of', torrents, ']')
+				if(patchWindow)
+					patchWindow.webContents.send('reindex', {field: torrent.name, index: i++, all: torrents, torrent: true})
+
+				torrent.nameIndex = torrent.name
+				await sphinx.query(`DELETE FROM torrents WHERE id = ${torrent.id}`)
+				await sphinx.insertValues('torrents', torrent)
+			})
+
+			console.log('optimizing torrents')
+			if(patchWindow)
+				patchWindow.webContents.send('optimize', {field: 'torrents'})
+			sphinx.query(`OPTIMIZE INDEX torrents`)
+			await sphinxApp.waitOptimized('torrents')
+
+			await setVersion(5)
+		}
 		}
 		console.log('db patch done')
 		sphinx.destroy()

src/background/sphinx.js

@@ -14,7 +14,10 @@ const writeSphinxConfig = (path, dbPath) => {
   index torrents
   {
     type = rt
-    path = ${dbPath}/database/torrents
+	path = ${dbPath}/database/torrents
+	
+	min_prefix_len = 3
+	expand_keywords = 1
     
     rt_attr_string = hash
     rt_attr_string = name
@@ -70,7 +73,7 @@ const writeSphinxConfig = (path, dbPath) => {
   {
       type = rt
       path = ${dbPath}/database/feed
-      
+
       rt_field = feedIndex
       rt_attr_json = data
   }
@@ -138,6 +141,8 @@ const writeSphinxConfig = (path, dbPath) => {
 }
 
 module.exports = (callback, dataDirectory, onClose) => {
+	const start = (callback) => {
+
 	const sphinxPath = path.resolve(appPath('searchd'))
 	console.log('Sphinx Path:', sphinxPath)
 
@@ -159,6 +164,7 @@ module.exports = (callback, dataDirectory, onClose) => {
 	}
 	const sphinx = spawn(sphinxPath, options)
 	// remeber initizalizing of db
+	sphinx.start = start
 	sphinx.isInitDb = isInitDb
 	sphinx.directoryPath = appConfig.dbPath
 	sphinx.directoryPathDb = appConfig.dbPath + '/database'
@@ -186,12 +192,18 @@ module.exports = (callback, dataDirectory, onClose) => {
 
 	sphinx.on('close', (code, signal) => {
 		console.log(`sphinx closed with code ${code} and signal ${signal}`)
-		if(onClose)
+		if(onClose && !sphinx.replaceOnClose) // sometime we don't want to call default callback
 			onClose()
+		if(sphinx.onClose)
+			sphinx.onClose()
 	})
 
-	sphinx.stop = () => {
+	sphinx.stop = (onFinish, replaceFinish) => {
 		console.log('sphinx closing...')
+		if(onFinish)
+			sphinx.onClose = onFinish
+		if(replaceFinish)
+			sphinx.replaceOnClose = true // sometime we don't want to call default callback
 		exec(`"${sphinxPath}" --config "${config}" --stopwait`)
 	}
 
@@ -203,4 +215,8 @@ module.exports = (callback, dataDirectory, onClose) => {
 	})
 
 	return sphinx
+
+	}
+
+	return start(callback)
 }