1 files changed, 58 insertions, 0 deletions
diff --git a/src/commands/request_util.cpp b/src/commands/request_util.cpp
new file mode 100644
index 0000000..af17623
--- /dev/null
+++ b/src/commands/request_util.cpp
@@ -0,0 +1,58 @@
+#include "request_util.hpp"
+
+#include <optional>
+
+#include "../constants.hpp"
+#include "../irc/message.hpp"
+#include "command.hpp"
+#include "request.hpp"
+
+namespace bot::command {
+  std::optional<Request> generate_request(
+      const command::CommandLoader &command_loader,
+      const irc::Message<irc::MessageType::Privmsg> &irc_message) {
+    std::vector<std::string> parts =
+        utils::string::split_text(irc_message.message, ' ');
+
+    std::string command_id = parts[0];
+
+    if (command_id.substr(0, DEFAULT_PREFIX.length()) != DEFAULT_PREFIX) {
+      return std::nullopt;
+    }
+
+    command_id =
+        command_id.substr(DEFAULT_PREFIX.length(), command_id.length());
+
+    bool found = std::any_of(
+        command_loader.get_commands().begin(),
+        command_loader.get_commands().end(),
+        [&](const auto &command) { return command->get_name() == command_id; });
+
+    if (!found) {
+      return std::nullopt;
+    }
+
+    parts.erase(parts.begin());
+
+    if (parts.empty()) {
+      Request req{command_id, std::nullopt, std::nullopt, irc_message};
+
+      return req;
+    }
+
+    std::optional<std::string> subcommand_id = parts[0];
+    if (subcommand_id->empty()) {
+      subcommand_id = std::nullopt;
+    }
+    parts.erase(parts.begin());
+
+    std::optional<std::string> message = utils::string::join_vector(parts, ' ');
+
+    if (message->empty()) {
+      message = std::nullopt;
+    }
+
+    Request req{command_id, subcommand_id, message, irc_message};
+    return req;
+  }
+}