DEV2-3857: get_server_url implementation (#651)

Common/src/main/java/com/tabnineCommon/chat/ChatMessagesRouter.kt

@@ -6,6 +6,7 @@ import com.google.gson.JsonElement
 import com.intellij.openapi.diagnostic.Logger
 import com.intellij.openapi.project.Project
 import com.tabnineCommon.chat.commandHandlers.ChatMessageHandler
+import com.tabnineCommon.chat.commandHandlers.GetServerUrlHandler
 import com.tabnineCommon.chat.commandHandlers.GetUserHandler
 import com.tabnineCommon.chat.commandHandlers.SendEventHandler
 import com.tabnineCommon.chat.commandHandlers.chatSettings.GetChatSettingsHandler
@@ -36,6 +37,7 @@ class ChatMessagesRouter {
         "insert_at_cursor" to InsertAtCursorHandler(gson),
         "get_settings" to GetChatSettingsHandler(gson),
         "update_settings" to UpdateChatSettingsHandler(gson),
+        "get_server_url" to GetServerUrlHandler(gson),
     )
 
     fun handleRawMessage(rawRequest: String, project: Project): String {

Common/src/main/java/com/tabnineCommon/chat/commandHandlers/GetServerUrlHandler.kt

@@ -0,0 +1,18 @@
+package com.tabnineCommon.chat.commandHandlers
+
+import com.google.gson.Gson
+import com.google.gson.JsonElement
+import com.intellij.openapi.project.Project
+import com.tabnineCommon.chat.commandHandlers.utils.getServerUrl
+
+data class ServerUrlResponse(val serverUrl: String)
+
+class GetServerUrlHandler(gson: Gson) : ChatMessageHandler<Unit, ServerUrlResponse>(gson) {
+    override fun handle(payload: Unit?, project: Project): ServerUrlResponse {
+        val serverUrl = getServerUrl() ?: "https://api.tabnine.com"
+        return ServerUrlResponse(serverUrl)
+    }
+
+    override fun deserializeRequest(data: JsonElement?) {
+    }
+}

Common/src/main/java/com/tabnineCommon/chat/commandHandlers/InitHandler.kt

@@ -6,8 +6,7 @@ import com.intellij.openapi.project.Project
 import com.tabnineCommon.capabilities.CapabilitiesService
 import com.tabnineCommon.capabilities.Capability
 import com.tabnineCommon.chat.commandHandlers.ChatMessageHandler
-import com.tabnineCommon.config.Config
-import com.tabnineCommon.general.StaticConfig
+import com.tabnineCommon.chat.commandHandlers.utils.getServerUrl
 import java.awt.Color
 import javax.swing.UIManager
 
@@ -33,11 +32,6 @@ class InitHandler(gson: Gson) : ChatMessageHandler<Unit, InitPayload>(gson) {
         return CapabilitiesService.getInstance().isCapabilityEnabled(Capability.ALPHA)
     }
 
-    private fun getServerUrl(): String? {
-        if (!Config.IS_SELF_HOSTED) return null
-        return StaticConfig.getTabnineEnterpriseHost().orElse(null)
-    }
-
     private fun readColorPalette(): MutableMap<String, String> {
         val colorPalette = mutableMapOf<String, String>()
 

Common/src/main/java/com/tabnineCommon/chat/commandHandlers/utils/ServerUrl.kt

@@ -0,0 +1,9 @@
+package com.tabnineCommon.chat.commandHandlers.utils
+
+import com.tabnineCommon.config.Config
+import com.tabnineCommon.general.StaticConfig
+
+fun getServerUrl(): String? {
+    if (!Config.IS_SELF_HOSTED) return null
+    return StaticConfig.getTabnineEnterpriseHost().orElse(null)
+}