perf: 优化创建文件夹逻辑

app/src/main/java/li/songe/gkd/App.kt

@@ -13,6 +13,7 @@ import li.songe.gkd.data.DeviceInfo
 import li.songe.gkd.debug.clearHttpSubs
 import li.songe.gkd.notif.initChannel
 import li.songe.gkd.util.initAppState
+import li.songe.gkd.util.initFolder
 import li.songe.gkd.util.initStore
 import li.songe.gkd.util.initSubsState
 import li.songe.gkd.util.launchTry
@@ -65,6 +66,7 @@ class App : Application() {
             saveDays = 7
         }
 
+        initFolder()
         appScope.launchTry(Dispatchers.IO) {
             initStore()
             initAppState()

app/src/main/java/li/songe/gkd/data/SubsItem.kt

@@ -16,7 +16,7 @@ import kotlinx.coroutines.withContext
 import kotlinx.parcelize.IgnoredOnParcel
 import kotlinx.parcelize.Parcelize
 import li.songe.gkd.db.DbSet
-import li.songe.gkd.util.FolderExt
+import li.songe.gkd.util.subsFolder
 import java.io.File
 
 @Entity(
@@ -37,7 +37,7 @@ data class SubsItem(
 
     @IgnoredOnParcel
     val subsFile by lazy {
-        File(FolderExt.subsFolder.absolutePath.plus("/${id}.json"))
+        File(subsFolder.absolutePath.plus("/${id}.json"))
     }
 
     suspend fun removeAssets() {
@@ -53,7 +53,7 @@ data class SubsItem(
 
         fun getSubscriptionRaw(subsItemId: Long): SubscriptionRaw? {
             return try {
-                val file = File(FolderExt.subsFolder.absolutePath.plus("/${subsItemId}.json"))
+                val file = File(subsFolder.absolutePath.plus("/${subsItemId}.json"))
                 if (!file.exists()) {
                     return null
                 }

app/src/main/java/li/songe/gkd/db/DbSet.kt

@@ -15,15 +15,15 @@ import li.songe.gkd.appScope
 import li.songe.gkd.data.SubsItem
 import li.songe.gkd.data.SubscriptionRaw
 import li.songe.gkd.util.DEFAULT_SUBS_UPDATE_URL
-import li.songe.gkd.util.FolderExt
 import li.songe.gkd.util.Singleton
+import li.songe.gkd.util.dbFolder
 import li.songe.gkd.util.launchTry
 import java.io.File
 
 object DbSet {
     private val appDb by lazy {
         Room.databaseBuilder(
-            app, AppDb::class.java, File(FolderExt.dbFolder, "gkd.db").absolutePath
+            app, AppDb::class.java, File(dbFolder, "gkd.db").absolutePath
         ).addCallback(createCallback()).fallbackToDestructiveMigration().build()
     }
     val subsItemDao by lazy { appDb.subsItemDao() }

app/src/main/java/li/songe/gkd/ui/HomePageVm.kt

@@ -25,10 +25,10 @@ import li.songe.gkd.data.SubscriptionRaw
 import li.songe.gkd.db.DbSet
 import li.songe.gkd.debug.SnapshotExt
 import li.songe.gkd.util.FILE_UPLOAD_URL
-import li.songe.gkd.util.FolderExt
 import li.songe.gkd.util.LoadStatus
 import li.songe.gkd.util.Singleton
 import li.songe.gkd.util.checkUpdate
+import li.songe.gkd.util.dbFolder
 import li.songe.gkd.util.launchTry
 import li.songe.gkd.util.storeFlow
 import java.io.File
@@ -61,7 +61,7 @@ class HomePageVm @Inject constructor() : ViewModel() {
         }
         appScope.launchTry(Dispatchers.IO) {
             // 迁移快照记录
-            val oldDbFile = File(FolderExt.dbFolder, "snapshot.db")
+            val oldDbFile = File(dbFolder, "snapshot.db")
             if (oldDbFile.exists()) {
                 SnapshotExt.snapshotDir.walk().maxDepth(1).filter { f -> f.isDirectory }
                     .mapNotNull { f -> f.name.toLongOrNull() }.forEach { snapshotId ->

app/src/main/java/li/songe/gkd/util/Cache.kt

@@ -1,31 +0,0 @@
-package li.songe.gkd.util
-
-import com.blankj.utilcode.util.PathUtils
-import java.io.File
-
-private val cacheParentDir by lazy {
-    File(PathUtils.getExternalAppCachePath())
-}
-
-val snapshotZipDir by lazy {
-    File(cacheParentDir, "snapshotZip").apply {
-        if (!exists()) {
-            mkdirs()
-        }
-    }
-}
-val newVersionApkDir by lazy {
-    File(cacheParentDir, "newVersionApk").apply {
-        if (!exists()) {
-            mkdirs()
-        }
-    }
-}
-
-val logZipDir by lazy {
-    File(cacheParentDir, "logZip").apply {
-        if (!exists()) {
-            mkdirs()
-        }
-    }
-}

app/src/main/java/li/songe/gkd/util/FolderExt.kt

@@ -1,23 +1,27 @@
 package li.songe.gkd.util
 
-import com.blankj.utilcode.util.LogUtils
 import li.songe.gkd.app
-import java.io.File
 
-object FolderExt {
-    private fun createFolder(name: String): File {
-        return File(
-            app.getExternalFilesDir(name)?.absolutePath
-                ?: app.filesDir.absolutePath.plus(name)
-        ).apply {
-            if (!exists()) {
-                mkdirs()
-                LogUtils.d("mkdirs", absolutePath)
-            }
+private val filesDir by lazy {
+    app.getExternalFilesDir(null) ?: app.filesDir
+}
+val dbFolder by lazy { filesDir.resolve("db") }
+val subsFolder by lazy { filesDir.resolve("subscription") }
+val snapshotFolder by lazy { filesDir.resolve("snapshot") }
+
+private val cacheDir by lazy {
+    app.externalCacheDir ?: app.cacheDir
+}
+val snapshotZipDir by lazy { cacheDir.resolve("snapshotZip") }
+val newVersionApkDir by lazy { cacheDir.resolve("newVersionApk") }
+val logZipDir by lazy { cacheDir.resolve("logZip") }
+
+fun initFolder() {
+    listOf(
+        dbFolder, subsFolder, snapshotFolder, snapshotZipDir, newVersionApkDir, logZipDir
+    ).forEach { f ->
+        if (!f.exists()) {
+            f.mkdirs()
         }
     }
-
-    val dbFolder by lazy { createFolder("db") }
-    val subsFolder by lazy { createFolder("subscription") }
-    val snapshotFolder by lazy { createFolder("snapshot") }
 }