Convert SY specific usages of Gson to Kotlin Serialization

Cleanup saved searches a bit
Cleanup json parsing

app/src/main/java/exh/ui/captcha/BrowserActionActivity.kt

@@ -13,9 +13,6 @@ import android.webkit.WebView
 import androidx.appcompat.app.AppCompatActivity
 import com.afollestad.materialdialogs.MaterialDialog
 import com.elvishew.xlog.XLog
-import com.github.salomonbrys.kotson.get
-import com.github.salomonbrys.kotson.string
-import com.google.gson.JsonParser
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.network.NetworkHelper
@@ -28,6 +25,12 @@ import exh.source.DelegatedHttpSource
 import exh.util.melt
 import kotlinx.android.synthetic.main.eh_activity_captcha.toolbar
 import kotlinx.android.synthetic.main.eh_activity_captcha.webview
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonObject
+import kotlinx.serialization.json.jsonArray
+import kotlinx.serialization.json.jsonObject
+import kotlinx.serialization.json.jsonPrimitive
 import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
@@ -153,9 +156,9 @@ class BrowserActionActivity : AppCompatActivity() {
                 .asObservableSuccess()
                 .subscribeOn(Schedulers.io())
                 .map {
-                    val json = JsonParser.parseString(it.body!!.string())
+                    val json = Json.decodeFromString<JsonObject>(it.body!!.string())
                     it.close()
-                    json["token"].string
+                    json["token"]!!.jsonPrimitive.content
                 }.melt()
 
             webview.addJavascriptInterface(this@BrowserActionActivity, "exh")
@@ -317,7 +320,7 @@ class BrowserActionActivity : AppCompatActivity() {
                     .build()
             ).asObservableSuccess()
         }.map { response ->
-            JsonParser.parseString(response.body!!.string())["results"][0]["alternatives"][0]["transcript"].string.trim()
+            Json.decodeFromString<JsonObject>(response.body!!.string())["results"]!!.jsonArray[0].jsonObject["alternatives"]!!.jsonArray[0].jsonObject["transcript"]!!.jsonPrimitive.content.trim()
         }.toSingle()
     }
 

app/src/main/java/exh/ui/metadata/adapters/HitomiDescriptionAdapter.kt

@@ -47,7 +47,7 @@ class HitomiDescriptionAdapter(
             val meta = controller.presenter.meta
             if (meta == null || meta !is HitomiSearchMetadata) return
 
-            val genre = meta.type
+            val genre = meta.genre
             if (genre != null) {
                 val pair = when (genre) {
                     "doujinshi" -> Pair(SourceTagsUtil.DOUJINSHI_COLOR, R.string.doujinshi)

app/src/main/java/exh/ui/metadata/adapters/PervEdenDescriptionAdapter.kt

@@ -47,7 +47,7 @@ class PervEdenDescriptionAdapter(
             val meta = controller.presenter.meta
             if (meta == null || meta !is PervEdenSearchMetadata) return
 
-            val genre = meta.type
+            val genre = meta.genre
             if (genre != null) {
                 val pair = when (genre) {
                     "Doujinshi" -> Pair(SourceTagsUtil.DOUJINSHI_COLOR, R.string.doujinshi)