Add nhentai URL importing

Allow fast importing of single URLs by inputting the URL into the source's search bar

app/src/main/java/eu/kanade/tachiyomi/source/online/all/EHentai.kt

@@ -26,6 +26,8 @@ import okhttp3.CacheControl
 import okhttp3.Headers
 import okhttp3.Request
 import org.jsoup.nodes.Document
+import exh.GalleryAdder
+import exh.util.urlImportFetchSearchManga
 
 class EHentai(override val id: Long,
               val exh: Boolean,
@@ -50,6 +52,8 @@ class EHentai(override val id: Long,
 
     val metadataHelper = MetadataHelper()
 
+    val galleryAdder = GalleryAdder()
+
     /**
      * Gallery list entry
      */
@@ -142,6 +146,12 @@ class EHentai(override val id: Long,
     else
         exGet("$baseUrl/toplist.php?tl=15", page)
 
+    //Support direct URL importing
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList) =
+            urlImportFetchSearchManga(query, {
+                super.fetchSearchManga(page, query, filters)
+            })
+
     override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
         val uri = Uri.parse("$baseUrl$QUERY_PREFIX").buildUpon()
         uri.appendQueryParameter("f_search", query)

app/src/main/java/eu/kanade/tachiyomi/source/online/all/NHentai.kt

@@ -21,6 +21,7 @@ import exh.metadata.MetadataHelper
 import exh.metadata.copyTo
 import exh.metadata.models.NHentaiMetadata
 import exh.metadata.models.Tag
+import exh.util.urlImportFetchSearchManga
 import okhttp3.Request
 import okhttp3.Response
 import rx.Observable
@@ -45,6 +46,12 @@ class NHentai(context: Context) : HttpSource() {
         TODO("Currently unavailable!")
     }
 
+    //Support direct URL importing
+    override fun fetchSearchManga(page: Int, query: String, filters: FilterList) =
+            urlImportFetchSearchManga(query, {
+                super.fetchSearchManga(page, query, filters)
+            })
+
     override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
         //Currently we have no filters
         //TODO Filter builder
@@ -82,7 +89,7 @@ class NHentai(context: Context) : HttpSource() {
             = nhGet(manga.url)
 
     fun urlToDetailsRequest(url: String)
-            = nhGet(baseUrl + "/api/gallery/" + url.split("/").last())
+            = nhGet(baseUrl + "/api/gallery/" + url.split("/").last { it.isNotBlank() })
 
     fun parseResultPage(response: Response): MangasPage {
         val res = jsonParser.parse(response.body()!!.string()).asJsonObject