UPDATE: Chatbot module

internal/controllers/chatbotController.go

@@ -0,0 +1,60 @@
+package controllers
+
+import (
+	"context"
+	"history-api/internal/dtos/request"
+	"history-api/internal/dtos/response"
+	"history-api/internal/services"
+	"history-api/pkg/validator"
+	"time"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+type ChatbotController struct {
+	chatbotService services.ChatbotService
+}
+
+func NewChatbotController(chatbotService services.ChatbotService) *ChatbotController {
+	return &ChatbotController{
+		chatbotService: chatbotService,
+	}
+}
+
+// Chat godoc
+// @Summary      Ask the AI chatbot
+// @Description  Ask a history question based on project context or global knowledge using RAG
+// @Tags         Chatbot
+// @Accept       json
+// @Produce      json
+// @Security BearerAuth
+// @Param        request body request.ChatbotDto true "Chatbot query"
+// @Success      200 {object} response.CommonResponse{data=string} "Successful response with AI answer"
+// @Failure      400 {object} response.CommonResponse "Invalid request"
+// @Failure      500 {object} response.CommonResponse "Internal server error"
+// @Router       /chatbot/chat [post]
+func (cx *ChatbotController) Chat(c fiber.Ctx) error {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	dto := &request.ChatbotDto{}
+	if err := validator.ValidateBodyDto(c, dto); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(response.CommonResponse{
+			Status: false,
+			Errors: err,
+		})
+	}
+
+	answer, err := cx.chatbotService.Chat(ctx, dto.ProjectID, dto.Question)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(response.CommonResponse{
+			Status:  false,
+			Message: err.Error(),
+		})
+	}
+
+	return c.Status(fiber.StatusOK).JSON(response.CommonResponse{
+		Status: true,
+		Data:   answer,
+	})
+}