feat(main-preferences): 增加偏好设置框架

src/background.js

@@ -25,6 +25,7 @@ import EAU from './main/update'
 import path from 'path'
 import * as url from 'url'
 import { isOsx, isWindows } from './main/config'
+import Preference from './main/preferences'
 
 const isDevelopment = process.env.NODE_ENV !== 'production'
 let ficusPath = ''

src/main/environment/appPaths.js

@@ -0,0 +1,19 @@
+import { app } from 'electron'
+
+class AppPaths {
+  constructor (userDataPath = '') {
+    if (!userDataPath) {
+      // Use default user data path.
+      userDataPath = app.getPath('userData')
+    }
+
+    this._userDataPath = userDataPath
+    app.setPath('userData', this._userDataPath)
+  }
+
+  get userDataPath () {
+    return this._userDataPath
+  }
+}
+
+export default AppPaths

src/main/filesystem/database.js

@@ -56,8 +56,9 @@ exports.initFromFolder = async () => {
       return { relation: {}, error: -2 }
     }
     console.log(result.filePaths[0])
+    accessor.menu.addRecentlyUsedDocument(result.filePaths[0])
+
     const folderName = path.basename(result.filePaths[0])
-    accessor.menu.addRecentlyUsedDocument(folderName)
     const tree = await getProject(result.filePaths[0])
     const projectStat = {
       version: 1,

src/main/helper/container.js

@@ -0,0 +1,9 @@
+function hasSameKey (a, b) {
+  const aKeys = Object.keys(a).sort()
+  const bKeys = Object.keys(b).sort()
+  return JSON.stringify(aKeys) === JSON.stringify(bKeys)
+}
+
+export {
+  hasSameKey
+}

src/main/preferences/index.js

@@ -0,0 +1,76 @@
+import fs from 'fs-extra'
+import path from 'path'
+import Store from 'electron-store'
+import schema from './schema.json'
+import { hasSameKey } from '../helper/container'
+
+/**
+ * 用户偏好设置
+ * 实现参考：https://github.com/marktext/marktext/blob/develop/src/main/preferences
+ */
+class Preference {
+  constructor (preferencePath) {
+    this._preferencePath = path.resolve(preferencePath, 'preferences.json')
+    this._defaultPreferencePath = path.resolve(__dirname, '..', 'static', 'preferences.json')
+    // 注：electron-store有性能问题（IO），但支持JSON scheme验证
+    this._store = new Store({
+      schema,
+      name: 'preferences'
+    })
+  }
+
+  init () {
+    let defaultSettings = null
+    try {
+      defaultSettings = JSON.parse(fs.readFileSync(this.staticPath, { encoding: 'utf8' }) || '{}')
+    } catch (err) {
+      console.log(err)
+    }
+
+    if (!defaultSettings) {
+      throw new Error('Can not load static preference.json file')
+    }
+
+    if (!fs.existsSync(this._preferencePath)) {
+      this.store.set(defaultSettings)
+    } else {
+      const userSetting = this.getAll()
+      const requiresUpdate = !hasSameKey(defaultSettings, userSetting)
+      if (requiresUpdate) {
+        // Remove outdated settings
+        for (const key of userSetting.keys()) {
+          if (!defaultSettings.keys().includes(key)) {
+            delete userSetting[key]
+            this.store.delete(key)
+          }
+        }
+
+        // Add new setting options
+        let addedNewEntries = false
+        for (const key in defaultSettings) {
+          if (!userSetting.keys().includes(key)) {
+            addedNewEntries = true
+            userSetting[key] = defaultSettings[key]
+          }
+        }
+        if (addedNewEntries) {
+          this.store.set(userSetting)
+        }
+      }
+    }
+  }
+
+  setItem (key, value) {
+    return this._store.set(key, value)
+  }
+
+  getItem (key) {
+    return this._store.get(key)
+  }
+
+  getAll () {
+    return this._store.store
+  }
+}
+
+export default Preference

src/main/preferences/schema.json

@@ -0,0 +1,13 @@
+{
+    "autoMaximize": {
+      "description": "General--Auto maxmize window when start",
+      "type": "boolean",
+      "default": false
+    },
+    "showTrafficLights": {
+      "description": "General--Show traffic lights on MacOS",
+      "type": "boolean",
+      "default": false
+    }
+  }
+

static/preference.json

@@ -0,0 +1,4 @@
+{
+    "autoMaximize": false,
+    "showTrafficLights": false
+}