Add Customer users

internal/handler/unit_service.go

@@ -0,0 +1,16 @@
+package handler
+
+import (
+	"apskel-pos-be/internal/models"
+	"context"
+
+	"github.com/google/uuid"
+)
+
+type UnitService interface {
+	CreateUnit(ctx context.Context, req *models.CreateUnitRequest) (*models.UnitResponse, error)
+	UpdateUnit(ctx context.Context, id uuid.UUID, req *models.UpdateUnitRequest) (*models.UnitResponse, error)
+	DeleteUnit(ctx context.Context, id uuid.UUID) error
+	GetUnitByID(ctx context.Context, id uuid.UUID) (*models.UnitResponse, error)
+	ListUnits(ctx context.Context, organizationID uuid.UUID, outletID *uuid.UUID, page, limit int, search string) (*models.PaginatedResponse[models.UnitResponse], error)
+}