更改图片缓存位置

app/src/main/java/io/legado/app/help/BookHelp.kt

@@ -25,11 +25,12 @@ import kotlin.math.min
 
 object BookHelp {
     private const val cacheFolderName = "book_cache"
+    private const val cacheImageFolderName = "images"
     private val downloadDir: File = App.INSTANCE.externalFilesDir
     private val srcPattern =
         Pattern.compile("<img .*?src.*?=.*?\"(.*?(?:,\\{.*\\})?)\".*?>", Pattern.CASE_INSENSITIVE)
 
-    private fun bookFolderName(book: Book): String {
+    fun bookFolderName(book: Book): String {
         return formatFolderName(book.name) + MD5Utils.md5Encode16(book.bookUrl)
     }
 
@@ -81,19 +82,31 @@ object BookHelp {
                 var src = matcher.group(1)
                 src = NetworkUtils.getAbsoluteURL(bookChapter.url, src)
                 src?.let {
-                    val analyzeUrl = AnalyzeUrl(src, null, null, null, null)
-                    analyzeUrl.getImageBytes(book.origin)?.let {
-                        FileUtils.createFileIfNotExist(
-                            downloadDir,
-                            "${MD5Utils.md5Encode16(src)}${src.substringAfterLast(".").substringBefore(",")}",
-                            "images", book.name
-                        ).writeBytes(it)
-                    }
+                    saveImage(book, src)
                  }
              }
         }
         postEvent(EventBus.SAVE_CONTENT, bookChapter)
     }
+    
+    fun saveImage(book: Book, src:String) {
+        val analyzeUrl = AnalyzeUrl(src, null, null, null, null)
+        analyzeUrl.getImageBytes(book.origin)?.let {
+            FileUtils.createFileIfNotExist(
+                downloadDir,
+                "${MD5Utils.md5Encode16(src)}${src.substringAfterLast(".").substringBefore(",")}",
+                subDirs = *arrayOf(cacheFolderName, bookFolderName(book), cacheImageFolderName)
+            ).writeBytes(it)
+        }
+    }
+    
+    fun getImage(book:Book, src:String): File {
+        return FileUtils.getFile(
+                    downloadDir,
+                    "${MD5Utils.md5Encode16(src)}${src.substringAfterLast(".").substringBefore(",")}",
+                    subDirs = *arrayOf(cacheFolderName, bookFolderName(book), cacheImageFolderName)
+                )
+    }
 
     fun getChapterFiles(book: Book): List<String> {
         val fileNameList = arrayListOf<String>()

app/src/main/java/io/legado/app/ui/book/read/page/provider/ImageProvider.kt

@@ -3,15 +3,13 @@ package io.legado.app.ui.book.read.page.provider
 import android.graphics.Bitmap
 import io.legado.app.App
 import io.legado.app.data.entities.Book
-import io.legado.app.help.http.HttpHelper
+import io.legado.app.help.BookHelp
 import io.legado.app.model.localBook.EPUBFile
 import io.legado.app.utils.BitmapUtils
 import io.legado.app.utils.FileUtils
-import io.legado.app.utils.MD5Utils
 import io.legado.app.utils.externalFilesDir
 import java.io.FileOutputStream
 import java.util.concurrent.ConcurrentHashMap
-import io.legado.app.model.analyzeRule.AnalyzeUrl
 
 object ImageProvider {
 
@@ -36,11 +34,7 @@ object ImageProvider {
         getCache(chapterIndex, src)?.let {
             return it
         }
-        val vFile = FileUtils.getFile(
-            App.INSTANCE.externalFilesDir,
-            "${MD5Utils.md5Encode16(src)}${src.substringAfterLast(".").substringBefore(",")}",
-            "images", book.name
-        )
+        val vFile = BookHelp.getImage(book, src)
         if (!vFile.exists()) {
             if (book.isEpub()) {
                 EPUBFile.getImage(book, src).use {
@@ -50,10 +44,7 @@ object ImageProvider {
                     out.close()
                 }
             } else if (!onUi) {
-                val analyzeUrl = AnalyzeUrl(src, null, null, null, null)
-                analyzeUrl.getImageBytes(book.origin)?.let {
-                    FileUtils.createFileIfNotExist(vFile.absolutePath).writeBytes(it)
-                }
+                BookHelp.saveImage(book, src)
             }
         }
         return try {