Fix

internal/contract/letter_outgoing_contract.go

@@ -28,18 +28,19 @@ type CreateOutgoingLetterRequest struct {
 	ReceiverInstitutionID *uuid.UUID                       `json:"receiver_institution_id,omitempty"`
 	IssueDate             time.Time                        `json:"issue_date" validate:"required"`
 	ApprovalFlowID        *uuid.UUID                       `json:"approval_flow_id,omitempty"`
-	Recipients            []CreateOutgoingLetterRecipient `json:"recipients,omitempty"`
+	Recipients            []CreateOutgoingLetterRecipient  `json:"recipients,omitempty"`
 	Attachments           []CreateOutgoingLetterAttachment `json:"attachments,omitempty"`
+	UserID                uuid.UUID
 }
 
 type OutgoingLetterRecipientResponse struct {
-	ID           uuid.UUID `json:"id"`
-	Name         string    `json:"name"`
-	Email        *string   `json:"email,omitempty"`
-	Position     *string   `json:"position,omitempty"`
-	Institution  *string   `json:"institution,omitempty"`
-	IsPrimary    bool      `json:"is_primary"`
-	CreatedAt    time.Time `json:"created_at"`
+	ID          uuid.UUID `json:"id"`
+	Name        string    `json:"name"`
+	Email       *string   `json:"email,omitempty"`
+	Position    *string   `json:"position,omitempty"`
+	Institution *string   `json:"institution,omitempty"`
+	IsPrimary   bool      `json:"is_primary"`
+	CreatedAt   time.Time `json:"created_at"`
 }
 
 type OutgoingLetterAttachmentResponse struct {
@@ -160,10 +161,10 @@ type DiscussionResponse struct {
 }
 
 type ApprovalFlowRequest struct {
-	DepartmentID uuid.UUID              `json:"department_id" validate:"required"`
-	Name         string                 `json:"name" validate:"required"`
-	Description  *string                `json:"description,omitempty"`
-	IsActive     bool                   `json:"is_active"`
+	DepartmentID uuid.UUID                 `json:"department_id" validate:"required"`
+	Name         string                    `json:"name" validate:"required"`
+	Description  *string                   `json:"description,omitempty"`
+	IsActive     bool                      `json:"is_active"`
 	Steps        []ApprovalFlowStepRequest `json:"steps" validate:"required,dive"`
 }
 
@@ -188,16 +189,16 @@ type ApprovalFlowResponse struct {
 }
 
 type ApprovalFlowStepResponse struct {
-	ID             uuid.UUID       `json:"id"`
-	StepOrder      int             `json:"step_order"`
-	ParallelGroup  int             `json:"parallel_group"`
-	ApproverRoleID *uuid.UUID      `json:"approver_role_id,omitempty"`
-	ApproverRole   *RoleResponse   `json:"approver_role,omitempty"`
-	ApproverUserID *uuid.UUID      `json:"approver_user_id,omitempty"`
-	ApproverUser   *UserResponse   `json:"approver_user,omitempty"`
-	Required       bool            `json:"required"`
-	CreatedAt      time.Time       `json:"created_at"`
-	UpdatedAt      time.Time       `json:"updated_at"`
+	ID             uuid.UUID     `json:"id"`
+	StepOrder      int           `json:"step_order"`
+	ParallelGroup  int           `json:"parallel_group"`
+	ApproverRoleID *uuid.UUID    `json:"approver_role_id,omitempty"`
+	ApproverRole   *RoleResponse `json:"approver_role,omitempty"`
+	ApproverUserID *uuid.UUID    `json:"approver_user_id,omitempty"`
+	ApproverUser   *UserResponse `json:"approver_user,omitempty"`
+	Required       bool          `json:"required"`
+	CreatedAt      time.Time     `json:"created_at"`
+	UpdatedAt      time.Time     `json:"updated_at"`
 }
 
 type ListApprovalFlowsRequest struct {
@@ -210,4 +211,4 @@ type ListApprovalFlowsRequest struct {
 type ListApprovalFlowsResponse struct {
 	Items []*ApprovalFlowResponse `json:"items"`
 	Total int64                   `json:"total"`
-}
+}

internal/handler/admin_approval_flow_handler.go

@@ -35,13 +35,11 @@ func (h *AdminApprovalFlowHandler) CreateApprovalFlow(c *gin.Context) {
 		return
 	}
 
-	// Validate that at least one step is provided
 	if len(req.Steps) == 0 {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "at least one approval step is required", Code: http.StatusBadRequest})
 		return
 	}
 
-	// Validate each step has either a role or user as approver
 	for i, step := range req.Steps {
 		if step.ApproverRoleID == nil && step.ApproverUserID == nil {
 			c.JSON(http.StatusBadRequest, &contract.ErrorResponse{
@@ -113,13 +111,11 @@ func (h *AdminApprovalFlowHandler) UpdateApprovalFlow(c *gin.Context) {
 		return
 	}
 
-	// Validate that at least one step is provided
 	if len(req.Steps) == 0 {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "at least one approval step is required", Code: http.StatusBadRequest})
 		return
 	}
 
-	// Validate each step has either a role or user as approver
 	for i, step := range req.Steps {
 		if step.ApproverRoleID == nil && step.ApproverUserID == nil {
 			c.JSON(http.StatusBadRequest, &contract.ErrorResponse{
@@ -341,4 +337,4 @@ func (h *AdminApprovalFlowHandler) CloneApprovalFlow(c *gin.Context) {
 	}
 
 	c.JSON(http.StatusCreated, contract.BuildSuccessResponse(resp))
-}
+}

internal/handler/letter_outgoing_handler.go

@@ -2,6 +2,7 @@ package handler
 
 import (
 	"context"
+	"eslogad-be/internal/appcontext"
 	"net/http"
 	"strconv"
 
@@ -17,20 +18,20 @@ type LetterOutgoingService interface {
 	ListOutgoingLetters(ctx context.Context, req *contract.ListOutgoingLettersRequest) (*contract.ListOutgoingLettersResponse, error)
 	UpdateOutgoingLetter(ctx context.Context, id uuid.UUID, req *contract.UpdateOutgoingLetterRequest) (*contract.OutgoingLetterResponse, error)
 	DeleteOutgoingLetter(ctx context.Context, id uuid.UUID) error
-	
+
 	SubmitForApproval(ctx context.Context, letterID uuid.UUID) error
 	ApproveOutgoingLetter(ctx context.Context, letterID uuid.UUID, req *contract.ApproveLetterRequest) error
 	RejectOutgoingLetter(ctx context.Context, letterID uuid.UUID, req *contract.RejectLetterRequest) error
 	SendOutgoingLetter(ctx context.Context, letterID uuid.UUID) error
 	ArchiveOutgoingLetter(ctx context.Context, letterID uuid.UUID) error
-	
+
 	AddRecipients(ctx context.Context, letterID uuid.UUID, req *contract.AddRecipientsRequest) error
 	UpdateRecipient(ctx context.Context, letterID uuid.UUID, recipientID uuid.UUID, req *contract.UpdateRecipientRequest) error
 	RemoveRecipient(ctx context.Context, letterID uuid.UUID, recipientID uuid.UUID) error
-	
+
 	AddAttachments(ctx context.Context, letterID uuid.UUID, req *contract.AddAttachmentsRequest) error
 	RemoveAttachment(ctx context.Context, letterID uuid.UUID, attachmentID uuid.UUID) error
-	
+
 	CreateDiscussion(ctx context.Context, letterID uuid.UUID, req *contract.CreateDiscussionRequest) (*contract.DiscussionResponse, error)
 	UpdateDiscussion(ctx context.Context, discussionID uuid.UUID, req *contract.UpdateDiscussionRequest) error
 	DeleteDiscussion(ctx context.Context, discussionID uuid.UUID) error
@@ -50,13 +51,15 @@ func (h *LetterOutgoingHandler) CreateOutgoingLetter(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid body", Code: http.StatusBadRequest})
 		return
 	}
-	
+	ctx := c.Request.Context()
+	req.UserID = appcontext.FromGinContext(ctx).UserID
+
 	resp, err := h.svc.CreateOutgoingLetter(c.Request.Context(), &req)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusCreated, contract.BuildSuccessResponse(resp))
 }
 
@@ -66,13 +69,13 @@ func (h *LetterOutgoingHandler) GetOutgoingLetter(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	resp, err := h.svc.GetOutgoingLetterByID(c.Request.Context(), id)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, contract.BuildSuccessResponse(resp))
 }
 
@@ -80,17 +83,17 @@ func (h *LetterOutgoingHandler) ListOutgoingLetters(c *gin.Context) {
 	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
 	limit, _ := strconv.Atoi(c.DefaultQuery("limit", "10"))
 	offset := (page - 1) * limit
-	
+
 	status := c.Query("status")
 	query := c.Query("q")
 	createdByStr := c.Query("created_by")
 	receiverInstitutionStr := c.Query("receiver_institution_id")
-	
+
 	var statusPtr *string
 	var queryPtr *string
 	var createdByPtr *uuid.UUID
 	var receiverInstitutionPtr *uuid.UUID
-	
+
 	if status != "" {
 		statusPtr = &status
 	}
@@ -107,7 +110,7 @@ func (h *LetterOutgoingHandler) ListOutgoingLetters(c *gin.Context) {
 			receiverInstitutionPtr = &receiverInstitution
 		}
 	}
-	
+
 	req := &contract.ListOutgoingLettersRequest{
 		Limit:                 limit,
 		Offset:                offset,
@@ -116,13 +119,13 @@ func (h *LetterOutgoingHandler) ListOutgoingLetters(c *gin.Context) {
 		CreatedBy:             createdByPtr,
 		ReceiverInstitutionID: receiverInstitutionPtr,
 	}
-	
+
 	resp, err := h.svc.ListOutgoingLetters(c.Request.Context(), req)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, contract.BuildSuccessResponse(resp))
 }
 
@@ -132,19 +135,19 @@ func (h *LetterOutgoingHandler) UpdateOutgoingLetter(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	var req contract.UpdateOutgoingLetterRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid body", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	resp, err := h.svc.UpdateOutgoingLetter(c.Request.Context(), id, &req)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, contract.BuildSuccessResponse(resp))
 }
 
@@ -154,12 +157,12 @@ func (h *LetterOutgoingHandler) DeleteOutgoingLetter(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.DeleteOutgoingLetter(c.Request.Context(), id); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "deleted"})
 }
 
@@ -169,12 +172,12 @@ func (h *LetterOutgoingHandler) SubmitForApproval(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.SubmitForApproval(c.Request.Context(), id); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "submitted for approval"})
 }
 
@@ -184,18 +187,18 @@ func (h *LetterOutgoingHandler) ApproveOutgoingLetter(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	var req contract.ApproveLetterRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid body", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.ApproveOutgoingLetter(c.Request.Context(), id, &req); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "approved"})
 }
 
@@ -205,18 +208,18 @@ func (h *LetterOutgoingHandler) RejectOutgoingLetter(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	var req contract.RejectLetterRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid body", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.RejectOutgoingLetter(c.Request.Context(), id, &req); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "rejected"})
 }
 
@@ -226,12 +229,12 @@ func (h *LetterOutgoingHandler) SendOutgoingLetter(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.SendOutgoingLetter(c.Request.Context(), id); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "sent"})
 }
 
@@ -241,12 +244,12 @@ func (h *LetterOutgoingHandler) ArchiveOutgoingLetter(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.ArchiveOutgoingLetter(c.Request.Context(), id); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "archived"})
 }
 
@@ -256,18 +259,18 @@ func (h *LetterOutgoingHandler) AddRecipients(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	var req contract.AddRecipientsRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid body", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.AddRecipients(c.Request.Context(), id, &req); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "recipients added"})
 }
 
@@ -277,24 +280,24 @@ func (h *LetterOutgoingHandler) UpdateRecipient(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid letter id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	recipientID, err := uuid.Parse(c.Param("recipient_id"))
 	if err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid recipient id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	var req contract.UpdateRecipientRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid body", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.UpdateRecipient(c.Request.Context(), id, recipientID, &req); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "recipient updated"})
 }
 
@@ -304,18 +307,18 @@ func (h *LetterOutgoingHandler) RemoveRecipient(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid letter id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	recipientID, err := uuid.Parse(c.Param("recipient_id"))
 	if err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid recipient id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.RemoveRecipient(c.Request.Context(), id, recipientID); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "recipient removed"})
 }
 
@@ -325,18 +328,18 @@ func (h *LetterOutgoingHandler) AddAttachments(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	var req contract.AddAttachmentsRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid body", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.AddAttachments(c.Request.Context(), id, &req); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "attachments added"})
 }
 
@@ -346,18 +349,18 @@ func (h *LetterOutgoingHandler) RemoveAttachment(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid letter id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	attachmentID, err := uuid.Parse(c.Param("attachment_id"))
 	if err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid attachment id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.RemoveAttachment(c.Request.Context(), id, attachmentID); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "attachment removed"})
 }
 
@@ -367,19 +370,19 @@ func (h *LetterOutgoingHandler) CreateDiscussion(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid letter id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	var req contract.CreateDiscussionRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid body", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	resp, err := h.svc.CreateDiscussion(c.Request.Context(), id, &req)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusCreated, contract.BuildSuccessResponse(resp))
 }
 
@@ -389,18 +392,18 @@ func (h *LetterOutgoingHandler) UpdateDiscussion(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid discussion id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	var req contract.UpdateDiscussionRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid body", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.UpdateDiscussion(c.Request.Context(), discussionID, &req); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "discussion updated"})
 }
 
@@ -410,11 +413,11 @@ func (h *LetterOutgoingHandler) DeleteDiscussion(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, &contract.ErrorResponse{Error: "invalid discussion id", Code: http.StatusBadRequest})
 		return
 	}
-	
+
 	if err := h.svc.DeleteDiscussion(c.Request.Context(), discussionID); err != nil {
 		c.JSON(http.StatusInternalServerError, &contract.ErrorResponse{Error: err.Error(), Code: http.StatusInternalServerError})
 		return
 	}
-	
+
 	c.JSON(http.StatusOK, &contract.SuccessResponse{Message: "discussion deleted"})
 }

internal/repository/letter_outgoing_repository.go

@@ -94,6 +94,10 @@ func (r *LetterOutgoingRepository) List(ctx context.Context, filter ListOutgoing
 		Preload("Priority").
 		Preload("ReceiverInstitution").
 		Preload("Creator").
+		Preload("Recipients").
+		Preload("Attachments").
+		Preload("Approvals.Step").
+		Preload("Approvals.Approver").
 		Order("created_at DESC").
 		Limit(limit).
 		Offset(offset).

internal/router/router.go

@@ -151,20 +151,20 @@ func (r *Router) addAppRoutes(rg *gin.Engine) {
 			lettersch.GET("/outgoing", r.letterOutgoingHandler.ListOutgoingLetters)
 			lettersch.PUT("/outgoing/:id", r.letterOutgoingHandler.UpdateOutgoingLetter)
 			lettersch.DELETE("/outgoing/:id", r.letterOutgoingHandler.DeleteOutgoingLetter)
-			
+
 			lettersch.POST("/outgoing/:id/submit", r.letterOutgoingHandler.SubmitForApproval)
 			lettersch.POST("/outgoing/:id/approve", r.letterOutgoingHandler.ApproveOutgoingLetter)
 			lettersch.POST("/outgoing/:id/reject", r.letterOutgoingHandler.RejectOutgoingLetter)
 			lettersch.POST("/outgoing/:id/send", r.letterOutgoingHandler.SendOutgoingLetter)
 			lettersch.POST("/outgoing/:id/archive", r.letterOutgoingHandler.ArchiveOutgoingLetter)
-			
+
 			lettersch.POST("/outgoing/:id/recipients", r.letterOutgoingHandler.AddRecipients)
 			lettersch.PUT("/outgoing/:id/recipients/:recipient_id", r.letterOutgoingHandler.UpdateRecipient)
 			lettersch.DELETE("/outgoing/:id/recipients/:recipient_id", r.letterOutgoingHandler.RemoveRecipient)
-			
+
 			lettersch.POST("/outgoing/:id/attachments", r.letterOutgoingHandler.AddAttachments)
 			lettersch.DELETE("/outgoing/:id/attachments/:attachment_id", r.letterOutgoingHandler.RemoveAttachment)
-			
+
 			lettersch.POST("/outgoing/:id/discussions", r.letterOutgoingHandler.CreateDiscussion)
 			lettersch.PUT("/outgoing/discussions/:discussion_id", r.letterOutgoingHandler.UpdateDiscussion)
 			lettersch.DELETE("/outgoing/discussions/:discussion_id", r.letterOutgoingHandler.DeleteDiscussion)
@@ -185,12 +185,11 @@ func (r *Router) addAppRoutes(rg *gin.Engine) {
 			droutes.GET("department", r.dispRouteHandler.ListByFromDept)
 			droutes.PUT(":id/active", r.dispRouteHandler.SetActive)
 		}
-		
-		admin := v1.Group("/admin")
+
+		admin := v1.Group("/setting")
 		admin.Use(r.authMiddleware.RequireAuth())
 		{
 			approvalFlows := admin.Group("/approval-flows")
-			approvalFlows.Use(r.authMiddleware.RequirePermissions("admin.approval_flow"))
 			{
 				approvalFlows.POST("", r.adminApprovalFlowHandler.CreateApprovalFlow)
 				approvalFlows.GET("", r.adminApprovalFlowHandler.ListApprovalFlows)

internal/service/letter_outgoing_service.go

@@ -18,36 +18,36 @@ type LetterOutgoingService interface {
 	ListOutgoingLetters(ctx context.Context, req *contract.ListOutgoingLettersRequest) (*contract.ListOutgoingLettersResponse, error)
 	UpdateOutgoingLetter(ctx context.Context, id uuid.UUID, req *contract.UpdateOutgoingLetterRequest) (*contract.OutgoingLetterResponse, error)
 	DeleteOutgoingLetter(ctx context.Context, id uuid.UUID) error
-	
+
 	SubmitForApproval(ctx context.Context, letterID uuid.UUID) error
 	ApproveOutgoingLetter(ctx context.Context, letterID uuid.UUID, req *contract.ApproveLetterRequest) error
 	RejectOutgoingLetter(ctx context.Context, letterID uuid.UUID, req *contract.RejectLetterRequest) error
 	SendOutgoingLetter(ctx context.Context, letterID uuid.UUID) error
 	ArchiveOutgoingLetter(ctx context.Context, letterID uuid.UUID) error
-	
+
 	AddRecipients(ctx context.Context, letterID uuid.UUID, req *contract.AddRecipientsRequest) error
 	UpdateRecipient(ctx context.Context, letterID uuid.UUID, recipientID uuid.UUID, req *contract.UpdateRecipientRequest) error
 	RemoveRecipient(ctx context.Context, letterID uuid.UUID, recipientID uuid.UUID) error
-	
+
 	AddAttachments(ctx context.Context, letterID uuid.UUID, req *contract.AddAttachmentsRequest) error
 	RemoveAttachment(ctx context.Context, letterID uuid.UUID, attachmentID uuid.UUID) error
-	
+
 	CreateDiscussion(ctx context.Context, letterID uuid.UUID, req *contract.CreateDiscussionRequest) (*contract.DiscussionResponse, error)
 	UpdateDiscussion(ctx context.Context, discussionID uuid.UUID, req *contract.UpdateDiscussionRequest) error
 	DeleteDiscussion(ctx context.Context, discussionID uuid.UUID) error
 }
 
 type LetterOutgoingServiceImpl struct {
-	db                           *gorm.DB
-	letterRepo                   *repository.LetterOutgoingRepository
-	attachmentRepo               *repository.LetterOutgoingAttachmentRepository
-	recipientRepo                *repository.LetterOutgoingRecipientRepository
-	discussionRepo               *repository.LetterOutgoingDiscussionRepository
-	discussionAttachmentRepo     *repository.LetterOutgoingDiscussionAttachmentRepository
-	activityLogRepo              *repository.LetterOutgoingActivityLogRepository
-	approvalFlowRepo             *repository.ApprovalFlowRepository
-	approvalRepo                 *repository.LetterOutgoingApprovalRepository
-	txManager                    *repository.TxManager
+	db                       *gorm.DB
+	letterRepo               *repository.LetterOutgoingRepository
+	attachmentRepo           *repository.LetterOutgoingAttachmentRepository
+	recipientRepo            *repository.LetterOutgoingRecipientRepository
+	discussionRepo           *repository.LetterOutgoingDiscussionRepository
+	discussionAttachmentRepo *repository.LetterOutgoingDiscussionAttachmentRepository
+	activityLogRepo          *repository.LetterOutgoingActivityLogRepository
+	approvalFlowRepo         *repository.ApprovalFlowRepository
+	approvalRepo             *repository.LetterOutgoingApprovalRepository
+	txManager                *repository.TxManager
 }
 
 func NewLetterOutgoingService(
@@ -77,8 +77,6 @@ func NewLetterOutgoingService(
 }
 
 func (s *LetterOutgoingServiceImpl) CreateOutgoingLetter(ctx context.Context, req *contract.CreateOutgoingLetterRequest) (*contract.OutgoingLetterResponse, error) {
-	userID := getUserIDFromContext(ctx)
-	
 	letter := &entities.LetterOutgoing{
 		Subject:               req.Subject,
 		Description:           req.Description,
@@ -87,18 +85,18 @@ func (s *LetterOutgoingServiceImpl) CreateOutgoingLetter(ctx context.Context, re
 		IssueDate:             req.IssueDate,
 		Status:                entities.LetterOutgoingStatusDraft,
 		ApprovalFlowID:        req.ApprovalFlowID,
-		CreatedBy:             userID,
+		CreatedBy:             req.UserID,
 	}
-	
+
 	if req.ReferenceNumber != nil {
 		letter.ReferenceNumber = req.ReferenceNumber
 	}
-	
+
 	err := s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.letterRepo.Create(txCtx, letter); err != nil {
 			return err
 		}
-		
+
 		if len(req.Recipients) > 0 {
 			recipients := make([]entities.LetterOutgoingRecipient, len(req.Recipients))
 			for i, r := range req.Recipients {
@@ -115,7 +113,7 @@ func (s *LetterOutgoingServiceImpl) CreateOutgoingLetter(ctx context.Context, re
 				return err
 			}
 		}
-		
+
 		if len(req.Attachments) > 0 {
 			attachments := make([]entities.LetterOutgoingAttachment, len(req.Attachments))
 			for i, a := range req.Attachments {
@@ -124,35 +122,35 @@ func (s *LetterOutgoingServiceImpl) CreateOutgoingLetter(ctx context.Context, re
 					FileURL:    a.FileURL,
 					FileName:   a.FileName,
 					FileType:   a.FileType,
-					UploadedBy: &userID,
+					UploadedBy: &req.UserID,
 				}
 			}
 			if err := s.attachmentRepo.CreateBulk(txCtx, attachments); err != nil {
 				return err
 			}
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letter.ID,
 			ActionType:  entities.LetterOutgoingActionCreated,
-			ActorUserID: &userID,
+			ActorUserID: &req.UserID,
 		}
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
-	
+
 	if err != nil {
 		return nil, err
 	}
-	
+
 	result, err := s.letterRepo.Get(ctx, letter.ID)
 	if err != nil {
 		return nil, err
 	}
-	
+
 	return transformLetterToResponse(result), nil
 }
 
@@ -161,7 +159,7 @@ func (s *LetterOutgoingServiceImpl) GetOutgoingLetterByID(ctx context.Context, i
 	if err != nil {
 		return nil, err
 	}
-	
+
 	return transformLetterToResponse(letter), nil
 }
 
@@ -174,17 +172,17 @@ func (s *LetterOutgoingServiceImpl) ListOutgoingLetters(ctx context.Context, req
 		FromDate:              req.FromDate,
 		ToDate:                req.ToDate,
 	}
-	
+
 	letters, total, err := s.letterRepo.List(ctx, filter, req.Limit, req.Offset)
 	if err != nil {
 		return nil, err
 	}
-	
+
 	items := make([]*contract.OutgoingLetterResponse, len(letters))
 	for i, letter := range letters {
 		items[i] = transformLetterToResponse(&letter)
 	}
-	
+
 	return &contract.ListOutgoingLettersResponse{
 		Items: items,
 		Total: total,
@@ -193,16 +191,16 @@ func (s *LetterOutgoingServiceImpl) ListOutgoingLetters(ctx context.Context, req
 
 func (s *LetterOutgoingServiceImpl) UpdateOutgoingLetter(ctx context.Context, id uuid.UUID, req *contract.UpdateOutgoingLetterRequest) (*contract.OutgoingLetterResponse, error) {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, id)
 	if err != nil {
 		return nil, err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusDraft {
 		return nil, gorm.ErrInvalidData
 	}
-	
+
 	if req.Subject != nil {
 		letter.Subject = *req.Subject
 	}
@@ -221,12 +219,12 @@ func (s *LetterOutgoingServiceImpl) UpdateOutgoingLetter(ctx context.Context, id
 	if req.ReferenceNumber != nil {
 		letter.ReferenceNumber = req.ReferenceNumber
 	}
-	
+
 	err = s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.letterRepo.Update(txCtx, letter); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letter.ID,
 			ActionType:  entities.LetterOutgoingActionUpdated,
@@ -235,39 +233,39 @@ func (s *LetterOutgoingServiceImpl) UpdateOutgoingLetter(ctx context.Context, id
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
-	
+
 	if err != nil {
 		return nil, err
 	}
-	
+
 	result, err := s.letterRepo.Get(ctx, id)
 	if err != nil {
 		return nil, err
 	}
-	
+
 	return transformLetterToResponse(result), nil
 }
 
 func (s *LetterOutgoingServiceImpl) DeleteOutgoingLetter(ctx context.Context, id uuid.UUID) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, id)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusDraft {
 		return gorm.ErrInvalidData
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.letterRepo.SoftDelete(txCtx, id); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letter.ID,
 			ActionType:  entities.LetterOutgoingActionDeleted,
@@ -276,32 +274,32 @@ func (s *LetterOutgoingServiceImpl) DeleteOutgoingLetter(ctx context.Context, id
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
 
 func (s *LetterOutgoingServiceImpl) SubmitForApproval(ctx context.Context, letterID uuid.UUID) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusDraft {
 		return gorm.ErrInvalidData
 	}
-	
+
 	if letter.ApprovalFlowID == nil {
 		return gorm.ErrInvalidData
 	}
-	
+
 	flow, err := s.approvalFlowRepo.Get(ctx, *letter.ApprovalFlowID)
 	if err != nil {
 		return err
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		approvals := make([]entities.LetterOutgoingApproval, len(flow.Steps))
 		for i, step := range flow.Steps {
@@ -311,15 +309,15 @@ func (s *LetterOutgoingServiceImpl) SubmitForApproval(ctx context.Context, lette
 				Status:   entities.ApprovalStatusPending,
 			}
 		}
-		
+
 		if err := s.approvalRepo.CreateBulk(txCtx, approvals); err != nil {
 			return err
 		}
-		
+
 		if err := s.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusPendingApproval); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionSubmittedApproval,
@@ -330,28 +328,28 @@ func (s *LetterOutgoingServiceImpl) SubmitForApproval(ctx context.Context, lette
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
 
 func (s *LetterOutgoingServiceImpl) ApproveOutgoingLetter(ctx context.Context, letterID uuid.UUID, req *contract.ApproveLetterRequest) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusPendingApproval {
 		return gorm.ErrInvalidData
 	}
-	
+
 	approvals, err := s.approvalRepo.ListByLetter(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	var currentApproval *entities.LetterOutgoingApproval
 	for i := range approvals {
 		if approvals[i].Status == entities.ApprovalStatusPending {
@@ -363,22 +361,22 @@ func (s *LetterOutgoingServiceImpl) ApproveOutgoingLetter(ctx context.Context, l
 			}
 		}
 	}
-	
+
 	if currentApproval == nil {
 		return gorm.ErrInvalidData
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		now := time.Now()
 		currentApproval.Status = entities.ApprovalStatusApproved
 		currentApproval.ApproverID = &userID
 		currentApproval.ActedAt = &now
 		currentApproval.Remarks = req.Remarks
-		
+
 		if err := s.approvalRepo.Update(txCtx, currentApproval); err != nil {
 			return err
 		}
-		
+
 		allApproved := true
 		for _, approval := range approvals {
 			if approval.ID != currentApproval.ID && approval.Status == entities.ApprovalStatusPending {
@@ -386,13 +384,13 @@ func (s *LetterOutgoingServiceImpl) ApproveOutgoingLetter(ctx context.Context, l
 				break
 			}
 		}
-		
+
 		if allApproved {
 			if err := s.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusApproved); err != nil {
 				return err
 			}
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionApproved,
@@ -402,28 +400,28 @@ func (s *LetterOutgoingServiceImpl) ApproveOutgoingLetter(ctx context.Context, l
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
 
 func (s *LetterOutgoingServiceImpl) RejectOutgoingLetter(ctx context.Context, letterID uuid.UUID, req *contract.RejectLetterRequest) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusPendingApproval {
 		return gorm.ErrInvalidData
 	}
-	
+
 	approvals, err := s.approvalRepo.ListByLetter(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	var currentApproval *entities.LetterOutgoingApproval
 	for i := range approvals {
 		if approvals[i].Status == entities.ApprovalStatusPending {
@@ -435,26 +433,26 @@ func (s *LetterOutgoingServiceImpl) RejectOutgoingLetter(ctx context.Context, le
 			}
 		}
 	}
-	
+
 	if currentApproval == nil {
 		return gorm.ErrInvalidData
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		now := time.Now()
 		currentApproval.Status = entities.ApprovalStatusRejected
 		currentApproval.ApproverID = &userID
 		currentApproval.ActedAt = &now
 		currentApproval.Remarks = &req.Reason
-		
+
 		if err := s.approvalRepo.Update(txCtx, currentApproval); err != nil {
 			return err
 		}
-		
+
 		if err := s.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusDraft); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionRejected,
@@ -466,28 +464,28 @@ func (s *LetterOutgoingServiceImpl) RejectOutgoingLetter(ctx context.Context, le
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
 
 func (s *LetterOutgoingServiceImpl) SendOutgoingLetter(ctx context.Context, letterID uuid.UUID) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusApproved {
 		return gorm.ErrInvalidData
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusSent); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionSent,
@@ -498,28 +496,28 @@ func (s *LetterOutgoingServiceImpl) SendOutgoingLetter(ctx context.Context, lett
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
 
 func (s *LetterOutgoingServiceImpl) ArchiveOutgoingLetter(ctx context.Context, letterID uuid.UUID) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusSent {
 		return gorm.ErrInvalidData
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.letterRepo.UpdateStatus(txCtx, letterID, entities.LetterOutgoingStatusArchived); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionArchived,
@@ -530,23 +528,23 @@ func (s *LetterOutgoingServiceImpl) ArchiveOutgoingLetter(ctx context.Context, l
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
 
 func (s *LetterOutgoingServiceImpl) AddRecipients(ctx context.Context, letterID uuid.UUID, req *contract.AddRecipientsRequest) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusDraft {
 		return gorm.ErrInvalidData
 	}
-	
+
 	recipients := make([]entities.LetterOutgoingRecipient, len(req.Recipients))
 	for i, r := range req.Recipients {
 		recipients[i] = entities.LetterOutgoingRecipient{
@@ -558,12 +556,12 @@ func (s *LetterOutgoingServiceImpl) AddRecipients(ctx context.Context, letterID
 			IsPrimary:            r.IsPrimary,
 		}
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.recipientRepo.CreateBulk(txCtx, recipients); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionRecipientAdded,
@@ -572,7 +570,7 @@ func (s *LetterOutgoingServiceImpl) AddRecipients(ctx context.Context, letterID
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
@@ -582,11 +580,11 @@ func (s *LetterOutgoingServiceImpl) UpdateRecipient(ctx context.Context, letterI
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusDraft {
 		return gorm.ErrInvalidData
 	}
-	
+
 	recipient := &entities.LetterOutgoingRecipient{
 		ID:                   recipientID,
 		RecipientName:        req.Name,
@@ -595,27 +593,27 @@ func (s *LetterOutgoingServiceImpl) UpdateRecipient(ctx context.Context, letterI
 		RecipientInstitution: req.Institution,
 		IsPrimary:            req.IsPrimary,
 	}
-	
+
 	return s.recipientRepo.Update(ctx, recipient)
 }
 
 func (s *LetterOutgoingServiceImpl) RemoveRecipient(ctx context.Context, letterID uuid.UUID, recipientID uuid.UUID) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusDraft {
 		return gorm.ErrInvalidData
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.recipientRepo.Delete(txCtx, recipientID); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionRecipientRemoved,
@@ -625,23 +623,23 @@ func (s *LetterOutgoingServiceImpl) RemoveRecipient(ctx context.Context, letterI
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
 
 func (s *LetterOutgoingServiceImpl) AddAttachments(ctx context.Context, letterID uuid.UUID, req *contract.AddAttachmentsRequest) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusDraft {
 		return gorm.ErrInvalidData
 	}
-	
+
 	attachments := make([]entities.LetterOutgoingAttachment, len(req.Attachments))
 	for i, a := range req.Attachments {
 		attachments[i] = entities.LetterOutgoingAttachment{
@@ -652,12 +650,12 @@ func (s *LetterOutgoingServiceImpl) AddAttachments(ctx context.Context, letterID
 			UploadedBy: &userID,
 		}
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.attachmentRepo.CreateBulk(txCtx, attachments); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionAttachmentAdded,
@@ -666,28 +664,28 @@ func (s *LetterOutgoingServiceImpl) AddAttachments(ctx context.Context, letterID
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
 
 func (s *LetterOutgoingServiceImpl) RemoveAttachment(ctx context.Context, letterID uuid.UUID, attachmentID uuid.UUID) error {
 	userID := getUserIDFromContext(ctx)
-	
+
 	letter, err := s.letterRepo.Get(ctx, letterID)
 	if err != nil {
 		return err
 	}
-	
+
 	if letter.Status != entities.LetterOutgoingStatusDraft {
 		return gorm.ErrInvalidData
 	}
-	
+
 	return s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.attachmentRepo.Delete(txCtx, attachmentID); err != nil {
 			return err
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionAttachmentRemoved,
@@ -697,30 +695,30 @@ func (s *LetterOutgoingServiceImpl) RemoveAttachment(ctx context.Context, letter
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
 }
 
 func (s *LetterOutgoingServiceImpl) CreateDiscussion(ctx context.Context, letterID uuid.UUID, req *contract.CreateDiscussionRequest) (*contract.DiscussionResponse, error) {
 	userID := getUserIDFromContext(ctx)
-	
+
 	discussion := &entities.LetterOutgoingDiscussion{
 		LetterID: letterID,
 		ParentID: req.ParentID,
 		UserID:   userID,
 		Message:  req.Message,
 	}
-	
+
 	if req.Mentions != nil {
 		discussion.Mentions = req.Mentions
 	}
-	
+
 	err := s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
 		if err := s.discussionRepo.Create(txCtx, discussion); err != nil {
 			return err
 		}
-		
+
 		if len(req.Attachments) > 0 {
 			attachments := make([]entities.LetterOutgoingDiscussionAttachment, len(req.Attachments))
 			for i, a := range req.Attachments {
@@ -736,7 +734,7 @@ func (s *LetterOutgoingServiceImpl) CreateDiscussion(ctx context.Context, letter
 				return err
 			}
 		}
-		
+
 		activityLog := &entities.LetterOutgoingActivityLog{
 			LetterID:    letterID,
 			ActionType:  entities.LetterOutgoingActionDiscussionAdded,
@@ -746,19 +744,19 @@ func (s *LetterOutgoingServiceImpl) CreateDiscussion(ctx context.Context, letter
 		if err := s.activityLogRepo.Create(txCtx, activityLog); err != nil {
 			return err
 		}
-		
+
 		return nil
 	})
-	
+
 	if err != nil {
 		return nil, err
 	}
-	
+
 	result, err := s.discussionRepo.Get(ctx, discussion.ID)
 	if err != nil {
 		return nil, err
 	}
-	
+
 	return transformDiscussionToResponse(result), nil
 }
 
@@ -767,17 +765,17 @@ func (s *LetterOutgoingServiceImpl) UpdateDiscussion(ctx context.Context, discus
 	if err != nil {
 		return err
 	}
-	
+
 	userID := getUserIDFromContext(ctx)
 	if discussion.UserID != userID {
 		return gorm.ErrInvalidData
 	}
-	
+
 	discussion.Message = req.Message
 	if req.Mentions != nil {
 		discussion.Mentions = req.Mentions
 	}
-	
+
 	return s.discussionRepo.Update(ctx, discussion)
 }
 
@@ -786,12 +784,12 @@ func (s *LetterOutgoingServiceImpl) DeleteDiscussion(ctx context.Context, discus
 	if err != nil {
 		return err
 	}
-	
+
 	userID := getUserIDFromContext(ctx)
 	if discussion.UserID != userID {
 		return gorm.ErrInvalidData
 	}
-	
+
 	return s.discussionRepo.Delete(ctx, discussionID)
 }
 
@@ -808,7 +806,7 @@ func ptr(s string) *string {
 }
 
 func transformLetterToResponse(letter *entities.LetterOutgoing) *contract.OutgoingLetterResponse {
-	return &contract.OutgoingLetterResponse{
+	resp := &contract.OutgoingLetterResponse{
 		ID:                    letter.ID,
 		LetterNumber:          letter.LetterNumber,
 		ReferenceNumber:       letter.ReferenceNumber,
@@ -823,6 +821,82 @@ func transformLetterToResponse(letter *entities.LetterOutgoing) *contract.Outgoi
 		CreatedAt:             letter.CreatedAt,
 		UpdatedAt:             letter.UpdatedAt,
 	}
+
+	if letter.Priority != nil {
+		resp.Priority = &contract.PriorityResponse{
+			ID:        letter.Priority.ID.String(),
+			Name:      letter.Priority.Name,
+			Level:     letter.Priority.Level,
+			CreatedAt: letter.Priority.CreatedAt,
+			UpdatedAt: letter.Priority.UpdatedAt,
+		}
+	}
+
+	if letter.ReceiverInstitution != nil {
+		resp.ReceiverInstitution = &contract.InstitutionResponse{
+			ID:            letter.ReceiverInstitution.ID.String(),
+			Name:          letter.ReceiverInstitution.Name,
+			Type:          string(letter.ReceiverInstitution.Type),
+			Address:       letter.ReceiverInstitution.Address,
+			ContactPerson: letter.ReceiverInstitution.ContactPerson,
+			Phone:         letter.ReceiverInstitution.Phone,
+			Email:         letter.ReceiverInstitution.Email,
+			CreatedAt:     letter.ReceiverInstitution.CreatedAt,
+			UpdatedAt:     letter.ReceiverInstitution.UpdatedAt,
+		}
+	}
+
+	if len(letter.Recipients) > 0 {
+		resp.Recipients = make([]contract.OutgoingLetterRecipientResponse, len(letter.Recipients))
+		for i, recipient := range letter.Recipients {
+			resp.Recipients[i] = contract.OutgoingLetterRecipientResponse{
+				ID:          recipient.ID,
+				Name:        recipient.RecipientName,
+				Email:       recipient.RecipientEmail,
+				Position:    recipient.RecipientPosition,
+				Institution: recipient.RecipientInstitution,
+				IsPrimary:   recipient.IsPrimary,
+				CreatedAt:   recipient.CreatedAt,
+			}
+		}
+	}
+
+	if len(letter.Attachments) > 0 {
+		resp.Attachments = make([]contract.OutgoingLetterAttachmentResponse, len(letter.Attachments))
+		for i, attachment := range letter.Attachments {
+			resp.Attachments[i] = contract.OutgoingLetterAttachmentResponse{
+				ID:         attachment.ID,
+				FileURL:    attachment.FileURL,
+				FileName:   attachment.FileName,
+				FileType:   attachment.FileType,
+				UploadedAt: attachment.UploadedAt,
+			}
+		}
+	}
+
+	// Include Approvals if loaded
+	if len(letter.Approvals) > 0 {
+		resp.Approvals = make([]contract.OutgoingLetterApprovalResponse, len(letter.Approvals))
+		for i, approval := range letter.Approvals {
+			approvalResp := contract.OutgoingLetterApprovalResponse{
+				ID:         approval.ID,
+				ApproverID: approval.ApproverID,
+				Status:     string(approval.Status),
+				Remarks:    approval.Remarks,
+				ActedAt:    approval.ActedAt,
+				CreatedAt:  approval.CreatedAt,
+			}
+
+			// Include step order if step is loaded
+			if approval.Step != nil {
+				approvalResp.StepOrder = approval.Step.StepOrder
+			}
+
+			resp.Approvals[i] = approvalResp
+		}
+	}
+
+	return resp
 }
 
 func transformDiscussionToResponse(discussion *entities.LetterOutgoingDiscussion) *contract.DiscussionResponse {
@@ -833,4 +907,4 @@ func transformDiscussionToResponse(discussion *entities.LetterOutgoingDiscussion
 		CreatedAt: discussion.CreatedAt,
 		UpdatedAt: discussion.UpdatedAt,
 	}
-}
+}