Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplefile-backend/internal/repo/user/check.go

@@ -0,0 +1,47 @@
+// codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/repo/user/check.go
+package user
+
+import (
+	"context"
+
+	"github.com/gocql/gocql"
+	"go.uber.org/zap"
+
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/validation"
+)
+
+func (r *userStorerImpl) CheckIfExistsByID(ctx context.Context, id gocql.UUID) (bool, error) {
+	query := `SELECT id FROM users_by_id WHERE id = ? LIMIT 1`
+	err := r.session.Query(query, id).WithContext(ctx).Scan(&id)
+
+	if err == gocql.ErrNotFound {
+		return false, nil
+	}
+	if err != nil {
+		r.logger.Error("Failed to check if user exists by id",
+			zap.String("id", id.String()),
+			zap.Error(err))
+		return false, err
+	}
+
+	return true, nil
+}
+
+func (r *userStorerImpl) CheckIfExistsByEmail(ctx context.Context, email string) (bool, error) {
+	var id gocql.UUID
+
+	query := `SELECT id FROM users_by_email WHERE email = ? LIMIT 1`
+	err := r.session.Query(query, email).WithContext(ctx).Scan(&id)
+
+	if err == gocql.ErrNotFound {
+		return false, nil
+	}
+	if err != nil {
+		r.logger.Error("Failed to check if user exists by email",
+			zap.String("email", validation.MaskEmail(email)),
+			zap.Error(err))
+		return false, err
+	}
+
+	return true, nil
+}