feat: add messages api

engine/CMakeLists.txt

@@ -169,6 +169,7 @@ else()
 endif()
 
 aux_source_directory(controllers CTL_SRC)
+aux_source_directory(repositories REPO_SRC)
 aux_source_directory(services SERVICES_SRC)
 aux_source_directory(common COMMON_SRC)
 aux_source_directory(models MODEL_SRC)
@@ -180,7 +181,7 @@ aux_source_directory(utils UTILS_SRC)
 
 target_include_directories(${TARGET_NAME} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} )
 
-target_sources(${TARGET_NAME} PRIVATE ${UTILS_SRC} ${CONFIG_SRC} ${CTL_SRC} ${COMMON_SRC} ${SERVICES_SRC} ${DB_SRC} ${MIGR_SRC})
+target_sources(${TARGET_NAME} PRIVATE ${UTILS_SRC} ${CONFIG_SRC} ${CTL_SRC} ${COMMON_SRC} ${SERVICES_SRC} ${DB_SRC} ${MIGR_SRC} ${REPO_SRC})
 
 set_target_properties(${TARGET_NAME} PROPERTIES
                       RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR}

engine/cli/commands/engine_install_cmd.cc

@@ -179,7 +179,6 @@ bool EngineInstallCmd::Exec(const std::string& engine,
   auto response = curl_utils::SimplePostJson(install_url.ToFullPath(),
                                              body.toStyledString());
   if (response.has_error()) {
-    // TODO: namh refactor later
     Json::Value root;
     Json::Reader reader;
     if (!reader.parse(response.error(), root)) {

engine/common/api-dto/messages/delete_message_response.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "common/json_serializable.h"
+
+namespace api_response {
+struct DeleteMessageResponse : JsonSerializable {
+  std::string id;
+  std::string object;
+  bool deleted;
+
+  cpp::result<Json::Value, std::string> ToJson() override {
+    Json::Value json;
+    json["id"] = id;
+    json["object"] = object;
+    json["deleted"] = deleted;
+    return json;
+  }
+};
+}  // namespace api_response

engine/common/json_serializable.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <json/value.h>
+#include "utils/result.hpp"
+
+struct JsonSerializable {
+
+  virtual cpp::result<Json::Value, std::string> ToJson() = 0;
+
+  virtual ~JsonSerializable() = default;
+};

engine/common/message.h

@@ -0,0 +1,213 @@
+#pragma once
+
+#include <json/reader.h>
+#include <json/value.h>
+#include <json/writer.h>
+#include <cstdint>
+#include <string>
+#include "common/message_attachment.h"
+#include "common/message_attachment_factory.h"
+#include "common/message_content.h"
+#include "common/message_content_factory.h"
+#include "common/message_incomplete_detail.h"
+#include "common/message_role.h"
+#include "common/message_status.h"
+#include "common/variant_map.h"
+#include "json_serializable.h"
+#include "utils/logging_utils.h"
+#include "utils/result.hpp"
+
+namespace ThreadMessage {
+
+// Represents a message within a thread.
+struct Message : JsonSerializable {
+  Message() = default;
+
+  Message(Message&&) = default;
+
+  Message& operator=(Message&&) = default;
+
+  Message(const Message&) = delete;
+
+  Message& operator=(const Message&) = delete;
+
+  // The identifier, which can be referenced in API endpoints.
+  std::string id;
+
+  // The object type, which is always thread.message.
+  std::string object = "thread.message";
+
+  // The Unix timestamp (in seconds) for when the message was created.
+  uint32_t created_at;
+
+  // The thread ID that this message belongs to.
+  std::string thread_id;
+
+  // The status of the message, which can be either in_progress, incomplete, or completed.
+  Status status;
+
+  // On an incomplete message, details about why the message is incomplete.
+  std::optional<IncompleteDetail> incomplete_details;
+
+  // The Unix timestamp (in seconds) for when the message was completed.
+  std::optional<uint32_t> completed_at;
+
+  // The Unix timestamp (in seconds) for when the message was marked as incomplete.
+  std::optional<uint32_t> incomplete_at;
+
+  Role role;
+
+  // The content of the message in array of text and/or images.
+  std::vector<std::unique_ptr<Content>> content;
+
+  // If applicable, the ID of the assistant that authored this message.
+  std::optional<std::string> assistant_id;
+
+  // The ID of the run associated with the creation of this message. Value is null when messages are created manually using the create message or create thread endpoints.
+  std::optional<std::string> run_id;
+
+  // A list of files attached to the message, and the tools they were added to.
+  std::optional<std::vector<Attachment>> attachments;
+
+  // Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maximum of 512 characters long.
+  Cortex::VariantMap metadata;
+
+  static cpp::result<Message, std::string> FromJsonString(
+      std::string&& json_str) {
+    Json::Value root;
+    Json::Reader reader;
+    if (!reader.parse(json_str, root)) {
+      return cpp::fail("Failed to parse JSON: " +
+                       reader.getFormattedErrorMessages());
+    }
+
+    Message message;
+
+    try {
+      message.id = std::move(root["id"].asString());
+      message.object =
+          std::move(root.get("object", "thread.message").asString());
+      message.created_at = root["created_at"].asUInt();
+      if (message.created_at == 0 && root["created"].asUInt64() != 0) {
+        message.created_at = root["created"].asUInt64() / 1000;
+      }
+      message.thread_id = std::move(root["thread_id"].asString());
+      message.status = StatusFromString(std::move(root["status"].asString()));
+
+      message.incomplete_details =
+          IncompleteDetail::FromJson(std::move(root["incomplete_details"]))
+              .value();
+      message.completed_at = root["completed_at"].asUInt();
+      message.incomplete_at = root["incomplete_at"].asUInt();
+      message.role = RoleFromString(std::move(root["role"].asString()));
+      message.content = ParseContents(std::move(root["content"])).value();
+
+      message.assistant_id = std::move(root["assistant_id"].asString());
+      message.run_id = std::move(root["run_id"].asString());
+      message.attachments =
+          ParseAttachments(std::move(root["attachments"])).value();
+
+      if (root["metadata"].isObject() && !root["metadata"].empty()) {
+        auto res = Cortex::ConvertJsonValueToMap(root["metadata"]);
+        if (res.has_error()) {
+          CTL_WRN("Failed to convert metadata to map: " + res.error());
+        } else {
+          message.metadata = res.value();
+        }
+      }
+
+      return message;
+    } catch (const std::exception& e) {
+      return cpp::fail(std::string("FromJsonString failed: ") + e.what());
+    }
+  }
+
+  cpp::result<std::string, std::string> ToSingleLineJsonString() {
+    auto json_result = ToJson();
+    if (json_result.has_error()) {
+      return cpp::fail(json_result.error());
+    }
+
+    Json::FastWriter writer;
+    try {
+      return writer.write(json_result.value());
+    } catch (const std::exception& e) {
+      return cpp::fail(std::string("Failed to write JSON: ") + e.what());
+    }
+  }
+
+  cpp::result<Json::Value, std::string> ToJson() override {
+    try {
+      Json::Value json;
+
+      json["id"] = id;
+      json["object"] = object;
+      json["created_at"] = created_at;
+      json["thread_id"] = thread_id;
+      json["status"] = StatusToString(status);
+
+      if (incomplete_details.has_value()) {
+        if (auto it = incomplete_details->ToJson(); it.has_value()) {
+          json["incomplete_details"] = it.value();
+        } else {
+          CTL_WRN("Failed to convert incomplete_details to json: " +
+                  it.error());
+        }
+      }
+      if (completed_at.has_value() && completed_at.value() != 0) {
+        json["completed_at"] = *completed_at;
+      }
+      if (incomplete_at.has_value() && incomplete_at.value() != 0) {
+        json["incomplete_at"] = *incomplete_at;
+      }
+
+      json["role"] = RoleToString(role);
+
+      Json::Value content_json_arr{Json::arrayValue};
+      for (auto& child_content : content) {
+        if (auto it = child_content->ToJson(); it.has_value()) {
+          content_json_arr.append(it.value());
+        } else {
+          CTL_WRN("Failed to convert content to json: " + it.error());
+        }
+      }
+      json["content"] = content_json_arr;
+      if (assistant_id.has_value() && !assistant_id->empty()) {
+        json["assistant_id"] = *assistant_id;
+      }
+      if (run_id.has_value() && !run_id->empty()) {
+        json["run_id"] = *run_id;
+      }
+      if (attachments.has_value()) {
+        Json::Value attachments_json_arr{Json::arrayValue};
+        for (auto& attachment : *attachments) {
+          if (auto it = attachment.ToJson(); it.has_value()) {
+            attachments_json_arr.append(it.value());
+          } else {
+            CTL_WRN("Failed to convert attachment to json: " + it.error());
+          }
+        }
+        json["attachments"] = attachments_json_arr;
+      }
+
+      Json::Value metadata_json{Json::objectValue};
+      for (const auto& [key, value] : metadata) {
+        if (std::holds_alternative<bool>(value)) {
+          metadata_json[key] = std::get<bool>(value);
+        } else if (std::holds_alternative<uint64_t>(value)) {
+          metadata_json[key] = std::get<uint64_t>(value);
+        } else if (std::holds_alternative<double>(value)) {
+          metadata_json[key] = std::get<double>(value);
+        } else {
+          metadata_json[key] = std::get<std::string>(value);
+        }
+      }
+      json["metadata"] = metadata_json;
+
+      return json;
+    } catch (const std::exception& e) {
+      return cpp::fail(std::string("ToJson failed: ") + e.what());
+    }
+  }
+};
+};  // namespace ThreadMessage

engine/common/message_attachment.h

@@ -0,0 +1,50 @@
+#pragma once
+
+#include <json/reader.h>
+#include "common/json_serializable.h"
+
+namespace ThreadMessage {
+
+// The tools to add this file to.
+struct Tool {
+  std::string type;
+
+  Tool(const std::string& type) : type{type} {}
+};
+
+// The type of tool being defined: code_interpreter
+struct CodeInterpreter : Tool {
+  CodeInterpreter() : Tool{"code_interpreter"} {}
+};
+
+// The type of tool being defined: file_search
+struct FileSearch : Tool {
+  FileSearch() : Tool{"file_search"} {}
+};
+
+// A list of files attached to the message, and the tools they were added to.
+struct Attachment : JsonSerializable {
+
+  // The ID of the file to attach to the message.
+  std::string file_id;
+
+  std::vector<Tool> tools;
+
+  cpp::result<Json::Value, std::string> ToJson() override {
+    try {
+      Json::Value json;
+      json["file_id"] = file_id;
+      Json::Value tools_json_arr{Json::arrayValue};
+      for (auto& tool : tools) {
+        Json::Value tool_json;
+        tool_json["type"] = tool.type;
+        tools_json_arr.append(tool_json);
+      }
+      json["tools"] = tools_json_arr;
+      return json;
+    } catch (const std::exception& e) {
+      return cpp::fail(std::string("ToJson failed: ") + e.what());
+    }
+  }
+};
+};  // namespace ThreadMessage

engine/common/message_attachment_factory.h

@@ -0,0 +1,48 @@
+#include <optional>
+#include "common/message_attachment.h"
+#include "utils/result.hpp"
+
+namespace ThreadMessage {
+inline cpp::result<Attachment, std::string> ParseAttachment(
+    Json::Value&& json) {
+  if (json.empty()) {
+    return cpp::fail("Json string is empty");
+  }
+
+  Attachment attachment;
+  attachment.file_id = json["file_id"].asString();
+
+  std::vector<Tool> tools{};
+  if (json["tools"].isArray()) {
+    for (auto& tool_json : json["tools"]) {
+      Tool tool{tool_json["type"].asString()};
+      tools.push_back(tool);
+    }
+  }
+  attachment.tools = tools;
+
+  return attachment;
+}
+
+inline cpp::result<std::optional<std::vector<Attachment>>, std::string>
+ParseAttachments(Json::Value&& json) {
+  if (json.empty()) {
+    // still count as success
+    return std::nullopt;
+  }
+  if (!json.isArray()) {
+    return cpp::fail("Json is not an array");
+  }
+
+  std::vector<Attachment> attachments;
+  for (auto& attachment_json : json) {
+    auto attachment = ParseAttachment(std::move(attachment_json));
+    if (attachment.has_error()) {
+      return cpp::fail(attachment.error());
+    }
+    attachments.push_back(attachment.value());
+  }
+
+  return attachments;
+}
+};  // namespace ThreadMessage

engine/common/message_content.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <string>
+#include "common/json_serializable.h"
+
+namespace ThreadMessage {
+
+struct Content : JsonSerializable {
+  std::string type;
+
+  Content(const std::string& type) : type{type} {}
+
+  Content(const Content&) = delete;
+
+  Content& operator=(const Content&) = delete;
+
+  Content(Content&&) noexcept = default;
+
+  Content& operator=(Content&&) noexcept = default;
+
+  virtual ~Content() = default;
+};
+};  // namespace ThreadMessage