新增桌面歌词

src/common/utils.js

@@ -1,8 +1,170 @@
 const log = require('electron-log')
+const Store = require('electron-store')
+const { defaultSetting, overwriteSetting } = require('./defaultSetting')
+const apiSource = require('../renderer/utils/music/api-source-info')
 
 exports.isLinux = process.platform == 'linux'
 exports.isWin = process.platform == 'win32'
 exports.isMac = process.platform == 'darwin'
 
 
+/**
+ * 生成节流函数
+ * @param {*} fn
+ * @param {*} delay
+ */
+exports.throttle = (fn, delay = 100) => {
+  let timer = null
+  let _args = null
+  return function(...args) {
+    _args = args
+    if (timer) return
+    timer = setTimeout(() => {
+      timer = null
+      fn.apply(this, _args)
+    }, delay)
+  }
+}
+
+/**
+ * 生成防抖函数
+ * @param {*} fn
+ * @param {*} delay
+ */
+exports.debounce = (fn, delay = 100) => {
+  let timer = null
+  let _args = null
+  return function(...args) {
+    _args = args
+    if (timer) clearTimeout(timer)
+    timer = setTimeout(() => {
+      timer = null
+      fn.apply(this, _args)
+    }, delay)
+  }
+}
+
+
 exports.log = log
+
+
+exports.checkVersion = (currentVer, targetVer) => {
+  // console.log(currentVer)
+  // console.log(targetVer)
+  currentVer = currentVer.split('.')
+  targetVer = targetVer.split('.')
+  let maxLen = Math.max(currentVer.length, targetVer.length)
+  if (currentVer.length < maxLen) {
+    for (let index = 0, len = maxLen - currentVer.length; index < len; index++) {
+      currentVer.push(0)
+    }
+  }
+  if (targetVer.length < maxLen) {
+    for (let index = 0, len = maxLen - targetVer.length; index < len; index++) {
+      targetVer.push(0)
+    }
+  }
+  for (let index = 0; index < currentVer.length; index++) {
+    if (parseInt(currentVer[index]) < parseInt(targetVer[index])) return true
+    if (parseInt(currentVer[index]) > parseInt(targetVer[index])) return false
+  }
+  return false
+}
+
+exports.isObject = item => item && typeof item === 'object' && !Array.isArray(item)
+
+/**
+ * 对象深度合并
+ * @param  {} target 要合并源对象
+ * @param  {} source 要合并目标对象
+ */
+exports.objectDeepMerge = (target, source, mergedObj) => {
+  if (!mergedObj) {
+    mergedObj = new Set()
+    mergedObj.add(target)
+  }
+  let base = {}
+  Object.keys(source).forEach(item => {
+    if (exports.isObject(source[item])) {
+      if (mergedObj.has(source[item])) return
+      if (!exports.isObject(target[item])) target[item] = {}
+      mergedObj.add(source[item])
+      exports.objectDeepMerge(target[item], source[item], mergedObj)
+      return
+    }
+    base[item] = source[item]
+  })
+  Object.assign(target, base)
+}
+
+exports.mergeSetting = (setting, version) => {
+  const defaultVersion = defaultSetting.version
+  if (!version) {
+    if (setting) {
+      version = setting.version
+      delete setting.version
+    }
+  }
+
+  if (!setting) {
+    setting = defaultSetting
+  } else if (exports.checkVersion(version, defaultVersion)) {
+    exports.objectDeepMerge(defaultSetting, setting)
+    exports.objectDeepMerge(defaultSetting, overwriteSetting)
+    setting = defaultSetting
+  }
+
+  if (!apiSource.some(api => api.id === setting.apiSource && !api.disabled)) {
+    let api = apiSource.find(api => !api.disabled)
+    if (api) setting.apiSource = api.id
+  }
+
+  return { setting, version: defaultVersion }
+}
+
+/**
+ * 初始化设置
+ * @param {*} setting
+ */
+exports.initSetting = () => {
+  const electronStore_list = new Store({
+    name: 'playList',
+  })
+  const electronStore_config = new Store({
+    name: 'config',
+  })
+  let setting = electronStore_config.get('setting')
+  if (!electronStore_config.get('version') && setting) { // 迁移配置
+    electronStore_config.set('version', electronStore_config.get('setting.version'))
+    electronStore_config.delete('setting.version')
+    const list = electronStore_config.get('list')
+    if (list) {
+      if (list.defaultList) electronStore_list.set('defaultList', list.defaultList)
+      if (list.loveList) electronStore_list.set('loveList', list.loveList)
+      electronStore_config.delete('list')
+    }
+    const downloadList = electronStore_config.get('download')
+    if (downloadList) {
+      if (downloadList.list) electronStore_list.set('downloadList', downloadList.list)
+      electronStore_config.delete('download')
+    }
+  }
+
+  // 迁移列表滚动位置设置 ~0.18.3
+  if (setting && setting.list.scroll) {
+    let scroll = setting.list.scroll
+    electronStore_list.set('defaultList.location', scroll.locations.defaultList || 0)
+    electronStore_list.set('loveList.location', scroll.locations.loveList || 0)
+    electronStore_config.delete('setting.list.scroll')
+    electronStore_config.set('setting.list.isSaveScrollLocation', scroll.enable)
+  }
+
+  const { version: settingVersion, setting: newSetting } = exports.mergeSetting(setting, electronStore_config.get('version'))
+
+  // 重置 ^0.18.2 排行榜ID
+  if (!newSetting.leaderboard.tabId.includes('__')) newSetting.leaderboard.tabId = 'kw__16'
+
+  electronStore_config.set('version', settingVersion)
+  electronStore_config.set('setting', newSetting)
+  return newSetting
+}