feat: bot_config() function for lua

3 files changed, 57 insertions, 0 deletions

diff --git a/bot/src/commands/lua.cpp b/bot/src/commands/lua.cpp
index 6c20b15..7f70e68 100644
--- a/bot/src/commands/lua.cpp
+++ b/bot/src/commands/lua.cpp
@@ -54,6 +54,17 @@ namespace bot::command::lua {
                           []() { return BOT_COMPILED_TIMESTAMP; });
 
       state->set_function("bot_get_version", []() { return BOT_VERSION; });
+
+      state->set_function("bot_config", [state]() {
+        std::optional<bot::Configuration> o_cfg =
+            bot::parse_configuration_from_file(".env");
+
+        if (!o_cfg.has_value()) {
+          return sol::make_object(*state, sol::nil);
+        }
+
+        return sol::make_object(*state, o_cfg->as_lua_table(state));
+      });
     }
 
     void add_time_library(std::shared_ptr<sol::state> state) {
diff --git a/bot/src/config.cpp b/bot/src/config.cpp
index eef5142..010a0ec 100644
--- a/bot/src/config.cpp
+++ b/bot/src/config.cpp
@@ -9,6 +9,50 @@
 #include "logger.hpp"
 
 namespace bot {
+  sol::table Configuration::as_lua_table(
+      std::shared_ptr<sol::state> luaState) const {
+    sol::table o = luaState->create_table();
+
+    // we parse only safe-to-leak parts of configuration
+
+    // --- COMMAND
+    sol::table cmds = luaState->create_table();
+    cmds["join_allowed"] = this->commands.join_allowed;
+    cmds["join_allow_from_other_chats"] =
+        this->commands.join_allow_from_other_chats;
+    o["commands"] = cmds;
+
+    // --- OWNER
+    sol::table owner = luaState->create_table();
+    if (this->owner.name.has_value()) {
+      owner["name"] = this->owner.name.value();
+    } else {
+      owner["name"] = sol::nil;
+    }
+    if (this->owner.id.has_value()) {
+      owner["id"] = this->owner.id.value();
+    } else {
+      owner["id"] = sol::nil;
+    }
+    o["owner"] = owner;
+
+    // --- URL
+    sol::table url = luaState->create_table();
+    if (this->url.help.has_value()) {
+      url["help"] = this->url.help.value();
+    } else {
+      url["help"] = sol::nil;
+    }
+    if (this->url.paste_service.has_value()) {
+      url["paste_service"] = this->url.paste_service.value();
+    } else {
+      url["paste_service"] = sol::nil;
+    }
+    o["url"] = url;
+
+    return o;
+  }
+
   std::optional<Configuration> parse_configuration_from_file(
       const std::string &file_path) {
     std::ifstream ifs(file_path);
diff --git a/bot/src/config.hpp b/bot/src/config.hpp
index db73f9a..11493d7 100644
--- a/bot/src/config.hpp
+++ b/bot/src/config.hpp
@@ -53,6 +53,8 @@ namespace bot {
       OwnerConfiguration owner;
       UrlConfiguration url;
       TokenConfiguration tokens;
+
+      sol::table as_lua_table(std::shared_ptr<sol::state> luaState) const;
   };
 
   std::optional<Configuration> parse_configuration_from_file(