fix: cortex chat is a non-interactive request (#1331)

Author: vansangpfiev

engine/commands/chat_cmd.cc

@@ -71,14 +71,19 @@ void ChatCmd::Exec(const std::string& host, int port,
     return;
   }
 
+  // Interactive mode or not
+  bool interactive = msg.empty();
+
   // Some instruction for user here
-  std::cout << "Inorder to exit, type `exit()`" << std::endl;
+  if (interactive) {
+    std::cout << "Inorder to exit, type `exit()`" << std::endl;
+  }
   // Model is loaded, start to chat
   {
-    while (true) {
+    do {
       std::string user_input = std::move(msg);
-      std::cout << "> ";
       if (user_input.empty()) {
+        std::cout << "> ";
         std::getline(std::cin, user_input);
       }
       if (user_input == kExitChat) {
@@ -128,7 +133,7 @@ void ChatCmd::Exec(const std::string& host, int port,
         histories_.push_back(std::move(ai_res));
       }
       // std::cout << "ok Done" << std::endl;
-    }
+    } while (interactive);
   }
 }
 

engine/controllers/command_line_parser.cc

@@ -122,20 +122,20 @@ void CommandLineParser::SetupCommonCommands() {
   auto chat_cmd = app_.add_subcommand("chat", "Send a chat completion request");
   chat_cmd->group(kCommonCommandsGroup);
   chat_cmd->usage("Usage:\n" + commands::GetCortexBinary() +
-                  " chat [model_id] [options]");
+                  " chat [model_id] -m [msg]");
   chat_cmd->add_option("model_id", cml_data_.model_id, "");
   chat_cmd->add_option("-m,--message", cml_data_.msg,
                        "Message to chat with model");
   chat_cmd->callback([this, chat_cmd] {
-    if (cml_data_.model_id.empty()) {
-      CLI_LOG("[model_id] is required\n");
+    if (cml_data_.model_id.empty() || cml_data_.msg.empty()) {
+      CLI_LOG("[model_id] and [msg] are required\n");
       CLI_LOG(chat_cmd->help());
       return;
     }
 
     commands::ChatCmd().Exec(cml_data_.config.apiServerHost,
-            std::stoi(cml_data_.config.apiServerPort), cml_data_.model_id,
-            cml_data_.msg);
+                             std::stoi(cml_data_.config.apiServerPort),
+                             cml_data_.model_id, cml_data_.msg);
   });
 }