Add MangaKatana manga source (#304)

app/src/main/java/ani/saikou/parsers/MangaSources.kt

@@ -15,6 +15,7 @@ object MangaSources : MangaReadSources() {
         "AllAnime" to ::AllAnime,
         "Comickfun" to ::ComickFun,
         "MangaHub" to ::MangaHub,
+        "MangaKatana" to ::MangaKatana,
     )
 }
 

app/src/main/java/ani/saikou/parsers/manga/MangaKatana.kt

@@ -0,0 +1,46 @@
+package ani.saikou.parsers.manga
+
+import ani.saikou.client
+import ani.saikou.parsers.MangaChapter
+import ani.saikou.parsers.MangaImage
+import ani.saikou.parsers.MangaParser
+import ani.saikou.parsers.ShowResponse
+
+class MangaKatana : MangaParser() {
+
+    override val name = "MangaKatana"
+    override val saveName = "manga_katana"
+    override val hostUrl = "https://mangakatana.com"
+
+    override suspend fun search(query: String): List<ShowResponse> {
+        val doc = client.get("$hostUrl/?search=${encode(query)}").document
+        val mediaData = doc.select("#book_list div.media div.wrap_img a")
+        val titleData = doc.select("#book_list div.text h3 a")
+        val data = titleData.zip(mediaData)
+        return data.map {
+            val name = it.first.text()
+            val link = it.second.attr("href")
+            val cover = it.second.select("img").attr("src")
+            ShowResponse(name= name, link = link, coverUrl = cover)
+        }
+    }
+
+    override suspend fun loadChapters(mangaLink: String, extra: Map<String, String>?): List<MangaChapter> {
+        val doc = client.get(mangaLink).document
+        val data = doc.select("tbody tr a")
+        val chapNumRe = Regex("([0-9]+(?:\\.[0-9]+)?)")
+        return data.reversed().map {
+            MangaChapter(number = chapNumRe.find(it.text())?.groupValues?.get(1).toString(), link = it.attr("href"))
+        }
+    }
+
+    override suspend fun loadImages(chapterLink: String): List<MangaImage> {
+        val html = client.get(chapterLink).text
+        val re = Regex("var\\s+\\w+\\s?=\\s?(\\[['\"].+?['\"]).?\\]\\s?;")
+        val match = re.find(html)?.destructured?.toList()?.get(0)?.removePrefix("[")
+        return match!!.split(",").map {
+            MangaImage(url = it.replace("\"", "").replace("'", ""))
+        }
+    }
+
+}