Add MTD

This reverts commit 657a201fc0.

internal/contract/analytics_contract.go

@@ -140,7 +140,7 @@ type PurchasingIngredientData struct {
 }
 
 type PurchasingVendorData struct {
-	VendorID           uuid.UUID `json:"vendor_id"`
+	VendorID           *uuid.UUID `json:"vendor_id"`
 	VendorName         string     `json:"vendor_name"`
 	TotalCost          float64    `json:"total_cost"`
 	PurchaseOrderCount int64      `json:"purchase_order_count"`
@@ -339,6 +339,13 @@ type ExclusiveSummaryMonthlyRequest struct {
 	Month          string  `form:"month" validate:"required"`
 }
 
+type ExclusiveSummaryMTDRequest struct {
+	OrganizationID                uuid.UUID
+	OutletID                      *string `form:"outlet_id,omitempty"`
+	DateTo                        string  `form:"date_to" validate:"required"`
+	ExcludeGajiStaffFromReimburse bool    `form:"exclude_gaji_staff_from_reimburse"`
+}
+
 type ExclusiveSummaryPeriodResponse struct {
 	OrganizationID              uuid.UUID                           `json:"organization_id"`
 	OutletID                    *uuid.UUID                          `json:"outlet_id,omitempty"`

internal/contract/purchase_order_contract.go

@@ -7,7 +7,7 @@ import (
 )
 
 type CreatePurchaseOrderRequest struct {
-	VendorID          uuid.UUID                        `json:"vendor_id" validate:"required"`
+	VendorID          *uuid.UUID                       `json:"vendor_id,omitempty" validate:"omitempty"`
 	PONumber          string                           `json:"po_number" validate:"required,min=1,max=50"`
 	TransactionDate   string                           `json:"transaction_date" validate:"required"`    // Format: YYYY-MM-DD
 	DueDate           *string                          `json:"due_date,omitempty" validate:"omitempty"` // Format: YYYY-MM-DD
@@ -52,7 +52,7 @@ type UpdatePurchaseOrderItemRequest struct {
 type PurchaseOrderResponse struct {
 	ID              uuid.UUID                         `json:"id"`
 	OrganizationID  uuid.UUID                         `json:"organization_id"`
-	VendorID        uuid.UUID                         `json:"vendor_id"`
+	VendorID        *uuid.UUID                        `json:"vendor_id"`
 	PONumber        string                            `json:"po_number"`
 	TransactionDate time.Time                         `json:"transaction_date"`
 	DueDate         *time.Time                        `json:"due_date"`

internal/entities/analytics.go

@@ -72,7 +72,7 @@ type PurchasingIngredientData struct {
 }
 
 type PurchasingVendorData struct {
-	VendorID           uuid.UUID `json:"vendor_id"`
+	VendorID           *uuid.UUID `json:"vendor_id"`
 	VendorName         string     `json:"vendor_name"`
 	TotalCost          float64    `json:"total_cost"`
 	PurchaseOrderCount int64      `json:"purchase_order_count"`

internal/entities/purchase_order.go

@@ -11,7 +11,7 @@ import (
 type PurchaseOrder struct {
 	ID              uuid.UUID  `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
 	OrganizationID  uuid.UUID  `gorm:"type:uuid;not null" json:"organization_id" validate:"required"`
-	VendorID        uuid.UUID  `gorm:"type:uuid;not null" json:"vendor_id" validate:"required"`
+	VendorID        *uuid.UUID `gorm:"type:uuid" json:"vendor_id" validate:"omitempty"`
 	PONumber        string     `gorm:"not null;size:50" json:"po_number" validate:"required,min=1,max=50"`
 	TransactionDate time.Time  `gorm:"type:date;not null" json:"transaction_date" validate:"required"`
 	DueDate         *time.Time `gorm:"type:date" json:"due_date" validate:"omitempty"`

internal/handler/analytics_handler.go

@@ -266,3 +266,31 @@ func (h *AnalyticsHandler) GetExclusiveSummaryMonthly(c *gin.Context) {
 	contractResp := transformer.ExclusiveSummaryMonthlyModelToContract(response)
 	util.HandleResponse(c.Writer, c.Request, contract.BuildSuccessResponse(contractResp), "AnalyticsHandler::GetExclusiveSummaryMonthly")
 }
+
+func (h *AnalyticsHandler) GetExclusiveSummaryMTD(c *gin.Context) {
+	ctx := c.Request.Context()
+	contextInfo := appcontext.FromGinContext(ctx)
+
+	var req contract.ExclusiveSummaryMTDRequest
+	if err := c.ShouldBindQuery(&req); err != nil {
+		util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{contract.NewResponseError("invalid_request", "AnalyticsHandler::GetExclusiveSummaryMTD", err.Error())}), "AnalyticsHandler::GetExclusiveSummaryMTD")
+		return
+	}
+
+	req.OrganizationID = contextInfo.OrganizationID
+	req.OutletID = h.resolveOutletID(c, contextInfo.OutletID)
+	modelReq, err := transformer.ExclusiveSummaryMTDContractToModel(&req)
+	if err != nil {
+		util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{contract.NewResponseError("invalid_request", "AnalyticsHandler::GetExclusiveSummaryMTD", err.Error())}), "AnalyticsHandler::GetExclusiveSummaryMTD")
+		return
+	}
+
+	response, err := h.analyticsService.GetExclusiveSummaryMTD(ctx, modelReq)
+	if err != nil {
+		util.HandleResponse(c.Writer, c.Request, contract.BuildErrorResponse([]*contract.ResponseError{contract.NewResponseError("internal_error", "AnalyticsHandler::GetExclusiveSummaryMTD", err.Error())}), "AnalyticsHandler::GetExclusiveSummaryMTD")
+		return
+	}
+
+	contractResp := transformer.ExclusiveSummaryPeriodModelToContract(response)
+	util.HandleResponse(c.Writer, c.Request, contract.BuildSuccessResponse(contractResp), "AnalyticsHandler::GetExclusiveSummaryMTD")
+}

internal/models/analytics.go

@@ -150,7 +150,7 @@ type PurchasingIngredientData struct {
 
 // PurchasingVendorData represents purchasing analytics for a vendor
 type PurchasingVendorData struct {
-	VendorID           uuid.UUID `json:"vendor_id"`
+	VendorID           *uuid.UUID `json:"vendor_id"`
 	VendorName         string     `json:"vendor_name"`
 	TotalCost          float64    `json:"total_cost"`
 	PurchaseOrderCount int64      `json:"purchase_order_count"`
@@ -349,6 +349,13 @@ type ExclusiveSummaryMonthlyRequest struct {
 	Month          time.Time  `validate:"required"`
 }
 
+type ExclusiveSummaryMTDRequest struct {
+	OrganizationID                uuid.UUID  `validate:"required"`
+	OutletID                      *uuid.UUID `validate:"omitempty"`
+	DateTo                        time.Time  `validate:"required"`
+	ExcludeGajiStaffFromReimburse bool       `validate:"omitempty"`
+}
+
 type ExclusiveSummaryPeriodResponse struct {
 	OrganizationID              uuid.UUID                           `json:"organization_id"`
 	OutletID                    *uuid.UUID                          `json:"outlet_id,omitempty"`

internal/models/purchase_order.go

@@ -9,7 +9,7 @@ import (
 type PurchaseOrder struct {
 	ID              uuid.UUID  `json:"id"`
 	OrganizationID  uuid.UUID  `json:"organization_id"`
-	VendorID        uuid.UUID  `json:"vendor_id"`
+	VendorID        *uuid.UUID `json:"vendor_id"`
 	PONumber        string     `json:"po_number"`
 	TransactionDate time.Time  `json:"transaction_date"`
 	DueDate         *time.Time `json:"due_date"`
@@ -44,7 +44,7 @@ type PurchaseOrderAttachment struct {
 type PurchaseOrderResponse struct {
 	ID              uuid.UUID                         `json:"id"`
 	OrganizationID  uuid.UUID                         `json:"organization_id"`
-	VendorID        uuid.UUID                         `json:"vendor_id"`
+	VendorID        *uuid.UUID                        `json:"vendor_id"`
 	PONumber        string                            `json:"po_number"`
 	TransactionDate time.Time                         `json:"transaction_date"`
 	DueDate         *time.Time                        `json:"due_date"`
@@ -84,7 +84,7 @@ type PurchaseOrderAttachmentResponse struct {
 }
 
 type CreatePurchaseOrderRequest struct {
-	VendorID          uuid.UUID                        `json:"vendor_id"`
+	VendorID          *uuid.UUID                       `json:"vendor_id,omitempty"`
 	PONumber          string                           `json:"po_number"`
 	TransactionDate   time.Time                        `json:"transaction_date"`
 	DueDate           *time.Time                       `json:"due_date,omitempty"`

internal/processor/analytics_processor.go

@@ -21,6 +21,7 @@ type AnalyticsProcessor interface {
 	GetProfitLossAnalytics(ctx context.Context, req *models.ProfitLossAnalyticsRequest) (*models.ProfitLossAnalyticsResponse, error)
 	GetExclusiveSummaryPeriod(ctx context.Context, req *models.ExclusiveSummaryPeriodRequest) (*models.ExclusiveSummaryPeriodResponse, error)
 	GetExclusiveSummaryMonthly(ctx context.Context, req *models.ExclusiveSummaryMonthlyRequest) (*models.ExclusiveSummaryMonthlyResponse, error)
+	GetExclusiveSummaryMTD(ctx context.Context, req *models.ExclusiveSummaryMTDRequest) (*models.ExclusiveSummaryPeriodResponse, error)
 }
 
 type AnalyticsProcessorImpl struct {
@@ -735,6 +736,18 @@ func (p *AnalyticsProcessorImpl) GetExclusiveSummaryMonthly(ctx context.Context,
 	}, nil
 }
 
+func (p *AnalyticsProcessorImpl) GetExclusiveSummaryMTD(ctx context.Context, req *models.ExclusiveSummaryMTDRequest) (*models.ExclusiveSummaryPeriodResponse, error) {
+	mtdStart := time.Date(req.DateTo.Year(), req.DateTo.Month(), 1, 0, 0, 0, 0, req.DateTo.Location())
+
+	return p.buildExclusiveSummaryPeriod(ctx, &models.ExclusiveSummaryPeriodRequest{
+		OrganizationID:                req.OrganizationID,
+		OutletID:                      req.OutletID,
+		DateFrom:                      mtdStart,
+		DateTo:                        req.DateTo,
+		ExcludeGajiStaffFromReimburse: req.ExcludeGajiStaffFromReimburse,
+	})
+}
+
 func (p *AnalyticsProcessorImpl) buildExclusiveSummaryPeriod(ctx context.Context, req *models.ExclusiveSummaryPeriodRequest) (*models.ExclusiveSummaryPeriodResponse, error) {
 	result, err := p.analyticsRepo.GetExclusiveSummaryAnalytics(ctx, req.OrganizationID, req.OutletID, req.DateFrom, req.DateTo)
 	if err != nil {

internal/processor/analytics_processor_test.go

@@ -19,6 +19,8 @@ type analyticsRepositoryStub struct {
 	bankBalances            []entities.ExclusiveSummaryBankBalance
 	profitLossGroup         string
 	exclusiveSummaryCalls   int
+	exclusiveSummaryFrom    []time.Time
+	exclusiveSummaryTo      []time.Time
 }
 
 func (analyticsRepositoryStub) GetPaymentMethodAnalytics(context.Context, uuid.UUID, *uuid.UUID, time.Time, time.Time) ([]*entities.PaymentMethodAnalytics, error) {
@@ -50,7 +52,9 @@ func (s analyticsRepositoryStub) GetProfitLossAnalytics(_ context.Context, _ uui
 	return s.profitLossResult, nil
 }
 
-func (s *analyticsRepositoryStub) GetExclusiveSummaryAnalytics(context.Context, uuid.UUID, *uuid.UUID, time.Time, time.Time) (*entities.ExclusiveSummaryAnalytics, error) {
+func (s *analyticsRepositoryStub) GetExclusiveSummaryAnalytics(_ context.Context, _ uuid.UUID, _ *uuid.UUID, dateFrom, dateTo time.Time) (*entities.ExclusiveSummaryAnalytics, error) {
+	s.exclusiveSummaryFrom = append(s.exclusiveSummaryFrom, dateFrom)
+	s.exclusiveSummaryTo = append(s.exclusiveSummaryTo, dateTo)
 	if s.exclusiveSummaryCalls < len(s.exclusiveSummaryResults) {
 		result := s.exclusiveSummaryResults[s.exclusiveSummaryCalls]
 		s.exclusiveSummaryCalls++
@@ -393,3 +397,52 @@ func TestAnalyticsProcessorGetExclusiveSummaryMonthlyBuildsSummaryAndBuckets(t *
 	require.Equal(t, notes, *result.BankBalance[0].Notes)
 	require.Equal(t, 6, stub.exclusiveSummaryCalls)
 }
+
+func TestAnalyticsProcessorGetExclusiveSummaryMTDBuildsMonthToDateBreakdown(t *testing.T) {
+	location, err := time.LoadLocation("Asia/Jakarta")
+	require.NoError(t, err)
+	dateTo := time.Date(2026, 6, 18, 23, 59, 59, int(time.Second-time.Nanosecond), location)
+	stub := &analyticsRepositoryStub{
+		exclusiveSummaryResults: []*entities.ExclusiveSummaryAnalytics{
+			{
+				SalesTotal: 1000,
+				HPPBreakdown: []entities.ExclusiveSummaryCategoryTotal{
+					{CategoryCode: "RAW", CategoryName: "Raw Material", Amount: 400},
+				},
+				OperationalExpenseBreakdown: []entities.ExclusiveSummaryCategoryTotal{
+					{CategoryCode: "OPS", CategoryName: "Operational", Amount: 100},
+				},
+				DailySummary: []entities.ExclusiveSummaryDailySummary{
+					{Date: dateTo, TransactionCount: 2, TotalCost: 500},
+				},
+				DailyTransactions: []entities.ExclusiveSummaryDailyTransaction{
+					{Date: dateTo, CategoryCode: "RAW", CategoryName: "Raw Material", Description: "beras", Amount: 400, Source: "purchase_order"},
+					{Date: dateTo, CategoryCode: "OPS", CategoryName: "Operational", Description: "atk", Amount: 100, Source: "expense"},
+				},
+			},
+		},
+	}
+	processor := NewAnalyticsProcessorImpl(stub, expenseRepositoryStub{})
+
+	result, err := processor.GetExclusiveSummaryMTD(context.Background(), &models.ExclusiveSummaryMTDRequest{
+		OrganizationID: uuid.New(),
+		DateTo:         dateTo,
+	})
+
+	require.NoError(t, err)
+	require.NotNil(t, result)
+	require.Len(t, stub.exclusiveSummaryFrom, 1)
+	require.Equal(t, time.Date(2026, 6, 1, 0, 0, 0, 0, location), stub.exclusiveSummaryFrom[0])
+	require.Equal(t, dateTo, stub.exclusiveSummaryTo[0])
+	require.Equal(t, stub.exclusiveSummaryFrom[0], result.Period.DateFrom)
+	require.Equal(t, dateTo, result.Period.DateTo)
+	require.Equal(t, float64(1000), result.Summary.Sales)
+	require.Equal(t, float64(400), result.Summary.HPP)
+	require.Equal(t, float64(500), result.Summary.TotalCost)
+	require.Equal(t, float64(500), result.Summary.NetProfit)
+	require.Len(t, result.HPPBreakdown, 1)
+	require.Equal(t, float64(100), result.HPPBreakdown[0].Percentage)
+	require.Len(t, result.OperationalExpenseBreakdown, 1)
+	require.Len(t, result.DailySummary, 1)
+	require.Len(t, result.DailyTransactions, 2)
+}

internal/processor/purchase_order_processor.go

@@ -55,11 +55,13 @@ func NewPurchaseOrderProcessorImpl(
 }
 
 func (p *PurchaseOrderProcessorImpl) CreatePurchaseOrder(ctx context.Context, organizationID uuid.UUID, req *models.CreatePurchaseOrderRequest) (*models.PurchaseOrderResponse, error) {
-	// Check if vendor exists and belongs to organization
+	// Check if vendor exists and belongs to organization when provided.
-	_, err := p.vendorRepo.GetByIDAndOrganizationID(ctx, req.VendorID, organizationID)
+	if req.VendorID != nil {
+		_, err := p.vendorRepo.GetByIDAndOrganizationID(ctx, *req.VendorID, organizationID)
 		if err != nil {
 			return nil, fmt.Errorf("vendor not found: %w", err)
 		}
+	}
 
 	// Check if PO number already exists in organization
 	existingPO, err := p.purchaseOrderRepo.GetByPONumber(ctx, req.PONumber, organizationID)
@@ -107,7 +109,7 @@ func (p *PurchaseOrderProcessorImpl) CreatePurchaseOrder(ctx context.Context, or
 	// Calculate total amount
 	totalAmount := 0.0
 	for _, item := range req.Items {
-		totalAmount += item.Amount
+		totalAmount += calculatePurchaseOrderItemTotal(item.Quantity, item.Amount)
 	}
 
 	// Create purchase order entity
@@ -186,7 +188,7 @@ func (p *PurchaseOrderProcessorImpl) UpdatePurchaseOrder(ctx context.Context, id
 		if err != nil {
 			return nil, fmt.Errorf("vendor not found: %w", err)
 		}
-		poEntity.VendorID = *req.VendorID
+		poEntity.VendorID = req.VendorID
 	}
 
 	// Check if PO number already exists (if PO number is being updated)
@@ -277,7 +279,7 @@ func (p *PurchaseOrderProcessorImpl) UpdatePurchaseOrder(ctx context.Context, id
 				UnitID:             unitID,
 				Amount:             amount,
 			}
-			totalAmount += amount
+			totalAmount += calculatePurchaseOrderItemTotal(quantity, amount)
 		}
 
 		// Delete and recreate only after all replacement items are valid.
@@ -447,7 +449,7 @@ func (p *PurchaseOrderProcessorImpl) UpdatePurchaseOrderStatus(ctx context.Conte
 			// Calculate unit cost in ingredient's base unit
 			unitCost := 0.0
 			if quantityToAdd > 0 {
-				unitCost = item.Amount / quantityToAdd
+				unitCost = calculatePurchaseOrderItemTotal(item.Quantity, item.Amount) / quantityToAdd
 			}
 
 			// Create inventory movement for ingredient purchase
@@ -506,3 +508,11 @@ func (p *PurchaseOrderProcessorImpl) validatePurchaseCategory(ctx context.Contex
 
 	return category, nil
 }
+
+func calculatePurchaseOrderItemTotal(quantity *float64, amount float64) float64 {
+	if quantity == nil {
+		return amount
+	}
+
+	return *quantity * amount
+}

internal/repository/analytics_repository.go

@@ -162,7 +162,7 @@ func (r *AnalyticsRepositoryImpl) getPurchaseOrderPurchasingAnalytics(ctx contex
 				ELSE 0
 			END as average_purchase_order_value,
 			COUNT(DISTINCT i.id) as total_ingredients,
-			COUNT(DISTINCT po.vendor_id) as total_vendors
+			COUNT(DISTINCT COALESCE(po.vendor_id::text, 'no-vendor')) as total_vendors
 		`).
 		Joins("LEFT JOIN purchase_order_items poi ON poi.purchase_order_id = po.id").
 		Joins("LEFT JOIN ingredients i ON poi.ingredient_id = i.id").
@@ -197,7 +197,7 @@ func (r *AnalyticsRepositoryImpl) getPurchaseOrderPurchasingAnalytics(ctx contex
 			COUNT(DISTINCT po.id) as purchase_orders,
 			COALESCE(SUM(poi.quantity), 0) as quantity,
 			COUNT(DISTINCT i.id) as ingredients,
-			COUNT(DISTINCT po.vendor_id) as vendors
+			COUNT(DISTINCT COALESCE(po.vendor_id::text, 'no-vendor')) as vendors
 		`).
 		Joins("LEFT JOIN purchase_order_items poi ON poi.purchase_order_id = po.id").
 		Joins("LEFT JOIN ingredients i ON poi.ingredient_id = i.id").
@@ -247,20 +247,20 @@ func (r *AnalyticsRepositoryImpl) getPurchaseOrderPurchasingAnalytics(ctx contex
 		Table("purchase_orders po").
 		Select(`
 			v.id as vendor_id,
-			v.name as vendor_name,
+			COALESCE(v.name, 'No Vendor') as vendor_name,
 			COALESCE(SUM(poi.amount), 0) as total_cost,
 			COUNT(DISTINCT po.id) as purchase_order_count,
 			COUNT(DISTINCT i.id) as ingredient_count,
 			COALESCE(SUM(poi.quantity), 0) as quantity
 		`).
-		Joins("JOIN vendors v ON po.vendor_id = v.id").
+		Joins("LEFT JOIN vendors v ON po.vendor_id = v.id").
 		Joins("LEFT JOIN purchase_order_items poi ON poi.purchase_order_id = po.id").
 		Joins("LEFT JOIN ingredients i ON poi.ingredient_id = i.id").
 		Joins("LEFT JOIN units u ON poi.unit_id = u.id").
 		Where("po.organization_id = ?", organizationID).
 		Where("po.status != ?", "cancelled").
 		Where("po.transaction_date >= ? AND po.transaction_date <= ?", dateFrom, dateTo).
-		Group("v.id, v.name").
+		Group("v.id, COALESCE(v.name, 'No Vendor')").
 		Order("total_cost DESC")
 	vendorQuery = r.applyPurchaseOrderItemOutletFilter(vendorQuery, outletID)
 

internal/router/router.go

@@ -339,6 +339,7 @@ func (r *Router) addAppRoutes(rg *gin.Engine) {
 				analytics.GET("/profit-loss", r.analyticsHandler.GetProfitLossAnalytics)
 				analytics.GET("/exclusive-summary/period", r.analyticsHandler.GetExclusiveSummaryPeriod)
 				analytics.GET("/exclusive-summary/monthly", r.analyticsHandler.GetExclusiveSummaryMonthly)
+				analytics.GET("/exclusive-summary/mtd", r.analyticsHandler.GetExclusiveSummaryMTD)
 			}
 
 			tables := protected.Group("/tables")

internal/service/analytics_service.go

@@ -20,6 +20,7 @@ type AnalyticsService interface {
 	GetProfitLossAnalytics(ctx context.Context, req *models.ProfitLossAnalyticsRequest) (*models.ProfitLossAnalyticsResponse, error)
 	GetExclusiveSummaryPeriod(ctx context.Context, req *models.ExclusiveSummaryPeriodRequest) (*models.ExclusiveSummaryPeriodResponse, error)
 	GetExclusiveSummaryMonthly(ctx context.Context, req *models.ExclusiveSummaryMonthlyRequest) (*models.ExclusiveSummaryMonthlyResponse, error)
+	GetExclusiveSummaryMTD(ctx context.Context, req *models.ExclusiveSummaryMTDRequest) (*models.ExclusiveSummaryPeriodResponse, error)
 }
 
 type AnalyticsServiceImpl struct {
@@ -349,6 +350,19 @@ func (s *AnalyticsServiceImpl) GetExclusiveSummaryMonthly(ctx context.Context, r
 	return response, nil
 }
 
+func (s *AnalyticsServiceImpl) GetExclusiveSummaryMTD(ctx context.Context, req *models.ExclusiveSummaryMTDRequest) (*models.ExclusiveSummaryPeriodResponse, error) {
+	if err := s.validateExclusiveSummaryMTDRequest(req); err != nil {
+		return nil, fmt.Errorf("validation error: %w", err)
+	}
+
+	response, err := s.analyticsProcessor.GetExclusiveSummaryMTD(ctx, req)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get exclusive summary mtd: %w", err)
+	}
+
+	return response, nil
+}
+
 func (s *AnalyticsServiceImpl) validateExclusiveSummaryPeriodRequest(req *models.ExclusiveSummaryPeriodRequest) error {
 	if req == nil {
 		return fmt.Errorf("request cannot be nil")
@@ -373,6 +387,22 @@ func (s *AnalyticsServiceImpl) validateExclusiveSummaryPeriodRequest(req *models
 	return nil
 }
 
+func (s *AnalyticsServiceImpl) validateExclusiveSummaryMTDRequest(req *models.ExclusiveSummaryMTDRequest) error {
+	if req == nil {
+		return fmt.Errorf("request cannot be nil")
+	}
+
+	if req.OrganizationID == uuid.Nil {
+		return fmt.Errorf("organization_id is required")
+	}
+
+	if req.DateTo.IsZero() {
+		return fmt.Errorf("date_to is required")
+	}
+
+	return nil
+}
+
 func (s *AnalyticsServiceImpl) validateExclusiveSummaryMonthlyRequest(req *models.ExclusiveSummaryMonthlyRequest) error {
 	if req == nil {
 		return fmt.Errorf("request cannot be nil")

internal/service/analytics_service_test.go

@@ -49,6 +49,10 @@ func (analyticsProcessorStub) GetExclusiveSummaryMonthly(context.Context, *model
 	return &models.ExclusiveSummaryMonthlyResponse{}, nil
 }
 
+func (analyticsProcessorStub) GetExclusiveSummaryMTD(context.Context, *models.ExclusiveSummaryMTDRequest) (*models.ExclusiveSummaryPeriodResponse, error) {
+	return &models.ExclusiveSummaryPeriodResponse{}, nil
+}
+
 func TestAnalyticsServiceGetPurchasingAnalyticsValidation(t *testing.T) {
 	service := NewAnalyticsServiceImpl(analyticsProcessorStub{})
 	now := time.Date(2026, 5, 1, 0, 0, 0, 0, time.UTC)
@@ -254,3 +258,44 @@ func TestAnalyticsServiceGetExclusiveSummaryMonthlyValidation(t *testing.T) {
 	require.Error(t, err)
 	require.Contains(t, err.Error(), "month is required")
 }
+
+func TestAnalyticsServiceGetExclusiveSummaryMTDValidation(t *testing.T) {
+	service := NewAnalyticsServiceImpl(analyticsProcessorStub{})
+	now := time.Date(2026, 6, 18, 23, 59, 59, 0, time.UTC)
+
+	tests := []struct {
+		name    string
+		req     *models.ExclusiveSummaryMTDRequest
+		wantErr string
+	}{
+		{
+			name:    "nil request",
+			req:     nil,
+			wantErr: "request cannot be nil",
+		},
+		{
+			name: "missing organization",
+			req: &models.ExclusiveSummaryMTDRequest{
+				DateTo: now,
+			},
+			wantErr: "organization_id is required",
+		},
+		{
+			name: "missing date_to",
+			req: &models.ExclusiveSummaryMTDRequest{
+				OrganizationID: uuid.New(),
+			},
+			wantErr: "date_to is required",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			resp, err := service.GetExclusiveSummaryMTD(context.Background(), tt.req)
+
+			require.Nil(t, resp)
+			require.Error(t, err)
+			require.Contains(t, err.Error(), tt.wantErr)
+		})
+	}
+}

internal/transformer/analytics_transformer.go

@@ -604,6 +604,27 @@ func ExclusiveSummaryMonthlyContractToModel(req *contract.ExclusiveSummaryMonthl
 	}, nil
 }
 
+func ExclusiveSummaryMTDContractToModel(req *contract.ExclusiveSummaryMTDRequest) (*models.ExclusiveSummaryMTDRequest, error) {
+	if req == nil {
+		return nil, fmt.Errorf("request cannot be nil")
+	}
+
+	dateTo, err := parseFlexibleDateToJakartaTime(req.DateTo, true)
+	if err != nil {
+		return nil, fmt.Errorf("invalid date_to: %w", err)
+	}
+	if dateTo == nil {
+		return nil, fmt.Errorf("date_to is required")
+	}
+
+	return &models.ExclusiveSummaryMTDRequest{
+		OrganizationID:                req.OrganizationID,
+		OutletID:                      parseOutletID(req.OutletID),
+		DateTo:                        *dateTo,
+		ExcludeGajiStaffFromReimburse: req.ExcludeGajiStaffFromReimburse,
+	}, nil
+}
+
 func ExclusiveSummaryPeriodModelToContract(resp *models.ExclusiveSummaryPeriodResponse) *contract.ExclusiveSummaryPeriodResponse {
 	if resp == nil {
 		return nil
@@ -772,6 +793,22 @@ func parseISODateToJakartaTime(dateStr string, endOfDay bool) (*time.Time, error
 	return &result, nil
 }
 
+func parseFlexibleDateToJakartaTime(dateStr string, endOfDay bool) (*time.Time, error) {
+	if dateStr == "" {
+		return nil, nil
+	}
+
+	fromTime, toTime, err := util.ParseDateRangeToJakartaTime(dateStr, dateStr)
+	if err == nil {
+		if endOfDay {
+			return toTime, nil
+		}
+		return fromTime, nil
+	}
+
+	return parseISODateToJakartaTime(dateStr, endOfDay)
+}
+
 func parseMonthToJakartaTime(month string) (time.Time, error) {
 	location, err := time.LoadLocation("Asia/Jakarta")
 	if err != nil {

internal/transformer/purchase_order_transformer_test.go

@@ -12,12 +12,13 @@ import (
 )
 
 func TestCreatePurchaseOrderRequestToModelAllowsMissingDueDate(t *testing.T) {
+	vendorID := uuid.New()
 	ingredientID := uuid.New()
 	quantity := 1.0
 	unitID := uuid.New()
 
 	result, err := CreatePurchaseOrderRequestToModel(&contract.CreatePurchaseOrderRequest{
-		VendorID:        uuid.New(),
+		VendorID:        &vendorID,
 		PONumber:        "PO-001",
 		TransactionDate: "2026-05-29",
 		Items: []contract.CreatePurchaseOrderItemRequest{
@@ -35,9 +36,10 @@ func TestCreatePurchaseOrderRequestToModelAllowsMissingDueDate(t *testing.T) {
 }
 
 func TestPurchaseOrderModelResponseToResponseIncludesNullDueDate(t *testing.T) {
+	vendorID := uuid.New()
 	result := PurchaseOrderModelResponseToResponse(&models.PurchaseOrderResponse{
 		ID:       uuid.New(),
-		VendorID: uuid.New(),
+		VendorID: &vendorID,
 		PONumber: "PO-001",
 	})
 
@@ -45,3 +47,19 @@ func TestPurchaseOrderModelResponseToResponseIncludesNullDueDate(t *testing.T) {
 	require.NoError(t, err)
 	require.Contains(t, string(payload), `"due_date":null`)
 }
+
+func TestCreatePurchaseOrderRequestToModelAllowsMissingVendor(t *testing.T) {
+	result, err := CreatePurchaseOrderRequestToModel(&contract.CreatePurchaseOrderRequest{
+		PONumber:        "PO-001",
+		TransactionDate: "2026-05-29",
+		Items: []contract.CreatePurchaseOrderItemRequest{
+			{
+				PurchaseCategoryID: uuid.New(),
+				Amount:             1000,
+			},
+		},
+	})
+
+	require.NoError(t, err)
+	require.Nil(t, result.VendorID)
+}

internal/validator/purchase_order_validator.go

@@ -29,8 +29,8 @@ func (v *PurchaseOrderValidatorImpl) ValidateCreatePurchaseOrderRequest(req *con
 		return errors.New("request body is required"), constants.MissingFieldErrorCode
 	}
 
-	if req.VendorID == uuid.Nil {
+	if req.VendorID != nil && *req.VendorID == uuid.Nil {
-		return errors.New("vendor_id is required"), constants.MissingFieldErrorCode
+		return errors.New("vendor_id cannot be empty"), constants.MalformedFieldErrorCode
 	}
 
 	if strings.TrimSpace(req.PONumber) == "" {

internal/validator/purchase_order_validator_test.go

@@ -11,12 +11,13 @@ import (
 )
 
 func validCreatePurchaseOrderRequest() *contract.CreatePurchaseOrderRequest {
+	vendorID := uuid.New()
 	ingredientID := uuid.New()
 	quantity := 1.0
 	unitID := uuid.New()
 
 	return &contract.CreatePurchaseOrderRequest{
-		VendorID:        uuid.New(),
+		VendorID:        &vendorID,
 		PONumber:        "PO-001",
 		TransactionDate: "2026-05-29",
 		Items: []contract.CreatePurchaseOrderItemRequest{
@@ -31,6 +32,30 @@ func validCreatePurchaseOrderRequest() *contract.CreatePurchaseOrderRequest {
 	}
 }
 
+func TestPurchaseOrderValidatorCreateAllowsMissingVendor(t *testing.T) {
+	validator := NewPurchaseOrderValidator()
+	req := validCreatePurchaseOrderRequest()
+	req.VendorID = nil
+
+	err, code := validator.ValidateCreatePurchaseOrderRequest(req)
+
+	require.NoError(t, err)
+	require.Empty(t, code)
+}
+
+func TestPurchaseOrderValidatorCreateRejectsEmptyVendor(t *testing.T) {
+	validator := NewPurchaseOrderValidator()
+	req := validCreatePurchaseOrderRequest()
+	vendorID := uuid.Nil
+	req.VendorID = &vendorID
+
+	err, code := validator.ValidateCreatePurchaseOrderRequest(req)
+
+	require.Error(t, err)
+	require.Equal(t, constants.MalformedFieldErrorCode, code)
+	require.Contains(t, err.Error(), "vendor_id cannot be empty")
+}
+
 func TestPurchaseOrderValidatorCreateAllowsMissingDueDate(t *testing.T) {
 	validator := NewPurchaseOrderValidator()
 

migrations/000081_make_purchase_order_vendor_nullable.down.sql

@@ -0,0 +1,2 @@
+ALTER TABLE purchase_orders
+    ALTER COLUMN vendor_id SET NOT NULL;

migrations/000081_make_purchase_order_vendor_nullable.up.sql

@@ -0,0 +1,2 @@
+ALTER TABLE purchase_orders
+    ALTER COLUMN vendor_id DROP NOT NULL;