fix(EpubFile/parseFirstPage): parse all contents

fix #1932

app/src/main/java/io/legado/app/model/localBook/EpubFile.kt

@@ -139,10 +139,10 @@ class EpubFile(var book: Book) {
                     * content src text/000001.html（当前章节）
 -                   * content src text/000001.html#toc_id_x (下一章节）
                      */
-                    if (!nextUrl.isNullOrBlank() && res.href == nextUrl!!.substringBeforeLast("#")) break
+                    if (res.href == nextUrl?.substringBeforeLast("#")) break
                 } else if (isChapter) {
                     // fix 最后一章存在多个html时 内容缺失
-                    if (!nextUrl.isNullOrBlank() && res.href == nextUrl.substringBeforeLast("#")) {
+                    if (res.href == nextUrl?.substringBeforeLast("#")) {
                         break
                     }
                     elements.add(getBody(res, startFragmentId, endFragmentId))
@@ -276,8 +276,12 @@ class EpubFile(var book: Book) {
         while (i < contents.size) {
             val content = contents[i]
             if (!content.mediaType.toString().contains("htm")) continue
-            /*检索到第一章href停止*/
-            if (refs[0].completeHref == content.href) break
+            /**
+             * 检索到第一章href停止
+             * completeHref可能有fragment(#id) 必须去除
+             * fix https://github.com/gedoor/legado/issues/1932
+             */
+            if (refs[0].completeHref.substringBeforeLast("#") == content.href) break
             val chapter = BookChapter()
             var title = content.title
             if (TextUtils.isEmpty(title)) {