Improved loading speed of the cached gallery

libpupil/src/main/java/xyz/quaver/hitomi/readers.kt

@@ -16,7 +16,12 @@ data class GalleryInfo(
     val name: String,
     val height: Int
 )
-typealias Reader = List<Pair<URL, GalleryInfo?>>
+@Serializable
+data class ReaderItem(
+    val url: String,
+    val galleryInfo: GalleryInfo?
+)
+typealias Reader = List<ReaderItem>
 //Set header `Referer` to reader url to avoid 403 error
 fun getReader(galleryID: Int) : Reader {
     val readerUrl = "https://hitomi.la/reader/$galleryID.html"
@@ -25,7 +30,7 @@ fun getReader(galleryID: Int) : Reader {
     val doc = Jsoup.connect(readerUrl).get()
 
     val images = doc.select(".img-url").map {
-        URL(protocol + urlFromURL(it.text()))
+        protocol + urlFromURL(it.text())
     }
 
     val galleryInfo = ArrayList<GalleryInfo?>()
@@ -42,5 +47,7 @@ fun getReader(galleryID: Int) : Reader {
     if (images.size > galleryInfo.size)
         galleryInfo.addAll(arrayOfNulls(images.size - galleryInfo.size))
 
-    return images zip galleryInfo
+    return (images zip galleryInfo).map {
+        ReaderItem(it.first, it.second)
+    }
 }