Feature/gql about webui query (#773)

* Rename "about" query to "aboutServer"

* Add "about" query for webUI

server/src/main/kotlin/suwayomi/tachidesk/graphql/queries/InfoQuery.kt

@@ -10,7 +10,7 @@ import suwayomi.tachidesk.server.util.WebInterfaceManager
 import java.util.concurrent.CompletableFuture
 
 class InfoQuery {
-    data class AboutPayload(
+    data class AboutServerPayload(
         val name: String,
         val version: String,
         val revision: String,
@@ -20,8 +20,8 @@ class InfoQuery {
         val discord: String,
     )
 
-    fun about(): AboutPayload {
-        return AboutPayload(
+    fun aboutServer(): AboutServerPayload {
+        return AboutServerPayload(
             BuildConfig.NAME,
             BuildConfig.VERSION,
             BuildConfig.REVISION,
@@ -51,6 +51,12 @@ class InfoQuery {
         }
     }
 
+    fun aboutWebUI(): CompletableFuture<WebUIUpdateInfo> {
+        return future {
+            WebInterfaceManager.getAboutInfo()
+        }
+    }
+
     fun checkForWebUIUpdate(): CompletableFuture<WebUIUpdateInfo> {
         return future {
             val (version, updateAvailable) = WebInterfaceManager.isUpdateAvailable()

server/src/main/kotlin/suwayomi/tachidesk/server/util/WebInterfaceManager.kt

@@ -167,6 +167,21 @@ object WebInterfaceManager {
         )
     }
 
+    suspend fun getAboutInfo(): WebUIUpdateInfo {
+        val currentVersion = getLocalVersion()
+
+        val failedToGetVersion = currentVersion === "r-1"
+        if (failedToGetVersion) {
+            throw Exception("Failed to get current version")
+        }
+
+        return WebUIUpdateInfo(
+            channel = serverConfig.webUIChannel.value,
+            tag = currentVersion,
+            updateAvailable = isUpdateAvailable(currentVersion).second,
+        )
+    }
+
     private var serveWebUI: () -> Unit = {}
 
     fun setServeWebUI(serveWebUI: () -> Unit) {