Feat(BE-36,37,38,39): finish master data management api

internal/modules/master/suppliers/repositories/supplier.repository.go

@@ -0,0 +1,30 @@
+package repository
+
+import (
+	"context"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type SupplierRepository interface {
+	repository.BaseRepository[entity.Supplier]
+	NameExists(ctx context.Context, name string, excludeID *uint) (bool, error)
+}
+
+type SupplierRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.Supplier]
+	db *gorm.DB
+}
+
+func NewSupplierRepository(db *gorm.DB) SupplierRepository {
+	return &SupplierRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.Supplier](db),
+		db:                 db,
+	}
+}
+
+func (r *SupplierRepositoryImpl) NameExists(ctx context.Context, name string, excludeID *uint) (bool, error) {
+	return repository.ExistsByName[entity.Supplier](ctx, r.db, name, excludeID)
+}