[add] function implementation

app/src/main/java/com/acitelight/aether/service/MediaManager.kt

@@ -0,0 +1,43 @@
+package com.acitelight.aether.service
+
+import com.acitelight.aether.model.Comic
+import com.acitelight.aether.model.Video
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.io.IOException
+
+
+object MediaManager
+{
+    var token: String = "null"
+
+    suspend fun listVideoKlasses(): List<String>
+    {
+        val j = ApiClient.api.getVideoClasses(token)
+        return j.toList()
+    }
+
+    suspend fun listVideos(klass: String): List<Video>
+    {
+        val j = ApiClient.api.queryVideoClasses(klass, token)
+        return j.map{
+            queryVideo(klass, it)
+        }.toList()
+    }
+
+    suspend fun queryVideo(klass: String, id: String): Video
+    {
+        val j = ApiClient.api.queryVideo(klass, id, token)
+        return Video(klass = klass, id = id, token=token, j)
+    }
+
+    suspend fun listComics() : List<String>
+    {
+        return ApiClient.api.getComicCollections()
+    }
+
+    suspend fun queryComicInfo(c: String) : Comic
+    {
+        return ApiClient.api.queryComicInfo(c)
+    }
+}