add stub translator for testing purposes

CMakeLists.txt

@@ -34,6 +34,7 @@ set(DTRANSLATEBOT_HEADERS
     src/core/webhook_push.h
     src/database/file/file.h
     src/translator/libretranslate/libretranslate.h
+    src/translator/stub/stub.h
 )
 set(DTRANSLATEBOT_SOURCES
     src/core/database.cpp
@@ -46,6 +47,7 @@ set(DTRANSLATEBOT_SOURCES
     src/core/webhook_push.cpp
     src/database/file/file.cpp
     src/translator/libretranslate/libretranslate.cpp
+    src/translator/stub/stub.cpp
 )
 
 # dtranslatebot Module Path

src/core/main.cpp

@@ -55,7 +55,7 @@ int main(int argc, char* argv[]) {
 
     bot.on_message_create(std::bind(&bot::message_queue::process_message_event, &message_queue, &bot, &settings, std::placeholders::_1));
     bot.on_slashcommand(std::bind(&bot::slashcommands::process_command_event, &bot, &settings, std::placeholders::_1));
-    bot.on_ready([&bot, &settings](const dpp::ready_t &event) {
+    bot.on_ready([&bot, &settings]([[maybe_unused]] const dpp::ready_t &event) {
         if (dpp::run_once<struct register_bot_commands>()) {
             bot::slashcommands::register_commands(&bot, &settings);
         }

src/core/settings.cpp

@@ -22,6 +22,7 @@
 #include "settings.h"
 #include "../database/file/file.h"
 #include "../translator/libretranslate/libretranslate.h"
+#include "../translator/stub/stub.h"
 using namespace bot::settings;
 
 void process_database_channels(std::shared_ptr<bot::database::database> database, bot::settings::guild &guild, std::vector<dpp::snowflake> &webhookIds)
@@ -225,42 +226,60 @@ bool process_translator_settings(const dpp::json &json, translator &translator)
         return false;
     }
 
-    auto json_translate_hostname = json.find("hostname");
-    if (json_translate_hostname != json.end())
-        translator.hostname = *json_translate_hostname;
-    else
-        translator.hostname = {};
-
-    auto json_translate_tls = json.find("tls");
-    if (json_translate_tls != json.end())
-        translator.tls = *json_translate_tls;
-    else
-        translator.tls = false;
-
-    auto json_translate_port = json.find("port");
-    if (json_translate_port != json.end())
-        translator.port = *json_translate_port;
-    else
-        translator.port = 0;
-
-    auto json_translate_url = json.find("url");
-    if (json_translate_url == json.end()) {
-        std::cerr << "[Error] Value url not found in translator object" << std::endl;
-        return false;
+    std::string translator_type = "libretranslate";
+    auto json_translator_type = json.find("type");
+    if (json_translator_type != json.end()) {
+        translator_type = *json_translator_type;
+        std::transform(translator_type.begin(), translator_type.end(), translator_type.begin(), ::tolower);
     }
-    if (translator.hostname.empty()) {
-        process_url(*json_translate_url, translator);
+
+    if (translator_type == "libretranslate") {
+        translator.type = TRANSLATOR_LIBRETRANSLATE;
+
+        auto json_lt_hostname = json.find("hostname");
+        if (json_lt_hostname != json.end())
+            translator.hostname = *json_lt_hostname;
+        else
+            translator.hostname = {};
+
+        auto json_lt_tls = json.find("tls");
+        if (json_lt_tls != json.end())
+            translator.tls = *json_lt_tls;
+        else
+            translator.tls = false;
+
+        auto json_lt_port = json.find("port");
+        if (json_lt_port != json.end())
+            translator.port = *json_lt_port;
+        else
+            translator.port = 0;
+
+        auto json_lt_url = json.find("url");
+        if (json_lt_url == json.end()) {
+            std::cerr << "[Error] Value url not found in translator object" << std::endl;
+            return false;
+        }
+        if (translator.hostname.empty()) {
+            process_url(*json_lt_url, translator);
+        }
+        else {
+            translator.url = *json_lt_url;
+        }
+
+        auto json_lt_apiKey = json.find("apiKey");
+        if (json_lt_apiKey != json.end())
+            translator.apiKey = *json_lt_apiKey;
+        else
+            translator.apiKey.clear();
+    }
+    else if (translator_type == "stub") {
+        translator.type = TRANSLATOR_STUB;
     }
     else {
-        translator.url = *json_translate_url;
+        std::cerr << "[Error] Translator " << translator.type << " is unknown" << std::endl;
+        return false;
     }
 
-    auto json_translate_apiKey = json.find("apiKey");
-    if (json_translate_apiKey != json.end())
-        translator.apiKey = *json_translate_apiKey;
-    else
-        translator.apiKey.clear();
-
     return true;
 }
 
@@ -438,7 +457,15 @@ std::shared_ptr<bot::database::database> settings::get_database() const
 std::unique_ptr<bot::translator::translator> settings::get_translator() const
 {
     const std::lock_guard<std::recursive_mutex> guard(m_mutex);
-    return std::make_unique<bot::translator::libretranslate>(m_translator.hostname, m_translator.port, m_translator.url, m_translator.tls, m_translator.apiKey);
+
+    switch (m_translator.type) {
+    case TRANSLATOR_LIBRETRANSLATE:
+        return std::make_unique<bot::translator::libretranslate>(m_translator.hostname, m_translator.port, m_translator.url, m_translator.tls, m_translator.apiKey);
+    case TRANSLATOR_STUB:
+        return std::make_unique<bot::translator::stub>();
+    default:
+        return std::make_unique<bot::translator::translator>();
+    }
 }
 
 const std::string settings::token() const

src/core/settings_types.h

@@ -40,7 +40,12 @@ namespace bot {
             dpp::snowflake id;
             std::vector<bot::settings::channel> channel;
         };
+        enum translator_type {
+            TRANSLATOR_LIBRETRANSLATE,
+            TRANSLATOR_STUB
+        };
         struct translator {
+            translator_type type;
             std::string hostname;
             uint16_t port;
             std::string url;

src/translator/libretranslate/libretranslate.h

@@ -20,7 +20,6 @@
 #define TRANSLATOR_LIBRETRANSLATE_H
 
 #include <cstdint>
-#include <string>
 #include "../../core/translator.h"
 
 namespace bot {

src/translator/stub/stub.cpp

@@ -0,0 +1,39 @@
+/*****************************************************************************
+* dtranslatebot Discord Translate Bot
+* Copyright (C) 2024 Syping
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* This software is provided as-is, no warranties are given to you, we are not
+* responsible for anything with use of the software, you are self responsible.
+*****************************************************************************/
+
+#include "stub.h"
+using namespace bot::translator;
+using namespace std::string_literals;
+
+stub::stub()
+{
+}
+
+stub::~stub()
+{
+}
+
+const std::vector<language> stub::get_languages()
+{
+    return { {"a*", "Any Language"} };
+}
+
+const std::string stub::translate(const std::string &text, [[maybe_unused]] const std::string &source, [[maybe_unused]] const std::string &target)
+{
+    return text;
+}

src/translator/stub/stub.h

@@ -0,0 +1,36 @@
+/*****************************************************************************
+* dtranslatebot Discord Translate Bot
+* Copyright (C) 2024 Syping
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* This software is provided as-is, no warranties are given to you, we are not
+* responsible for anything with use of the software, you are self responsible.
+*****************************************************************************/
+
+#ifndef TRANSLATOR_STUB_H
+#define TRANSLATOR_STUB_H
+
+#include "../../core/translator.h"
+
+namespace bot {
+    namespace translator {
+        class stub : public translator {
+        public:
+            explicit stub();
+            ~stub() override;
+            const std::vector<language> get_languages() override;
+            const std::string translate(const std::string &text, const std::string &source, const std::string &target) override;
+        };
+    }
+}
+
+#endif // TRANSLATOR_STUB_H