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

cloud/maplefile-backend/internal/usecase/blockedemail/delete.go

@@ -0,0 +1,72 @@
+// codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/usecase/blockedemail/delete.go
+package blockedemail
+
+import (
+	"context"
+	"strings"
+
+	"go.uber.org/zap"
+
+	"github.com/gocql/gocql"
+	dom_blockedemail "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/domain/blockedemail"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/validation"
+)
+
+type DeleteBlockedEmailUseCase interface {
+	Execute(ctx context.Context, userID gocql.UUID, email string) error
+}
+
+type deleteBlockedEmailUseCaseImpl struct {
+	logger *zap.Logger
+	repo   dom_blockedemail.BlockedEmailRepository
+}
+
+func NewDeleteBlockedEmailUseCase(
+	logger *zap.Logger,
+	repo dom_blockedemail.BlockedEmailRepository,
+) DeleteBlockedEmailUseCase {
+	logger = logger.Named("DeleteBlockedEmailUseCase")
+	return &deleteBlockedEmailUseCaseImpl{
+		logger: logger,
+		repo:   repo,
+	}
+}
+
+func (uc *deleteBlockedEmailUseCaseImpl) Execute(ctx context.Context, userID gocql.UUID, email string) error {
+	// Normalize email
+	normalizedEmail := strings.ToLower(strings.TrimSpace(email))
+
+	// Check if email exists in blocked list
+	existing, err := uc.repo.Get(ctx, userID, normalizedEmail)
+	if err != nil {
+		uc.logger.Error("Failed to check existing blocked email",
+			zap.Any("error", err),
+			zap.Any("user_id", userID),
+			zap.String("email", validation.MaskEmail(normalizedEmail)))
+		return err
+	}
+
+	if existing == nil {
+		uc.logger.Debug("Blocked email not found",
+			zap.Any("user_id", userID),
+			zap.String("email", validation.MaskEmail(normalizedEmail)))
+		return httperror.NewNotFoundError("Email not found in blocked list")
+	}
+
+	// Delete blocked email
+	err = uc.repo.Delete(ctx, userID, normalizedEmail)
+	if err != nil {
+		uc.logger.Error("Failed to delete blocked email",
+			zap.Any("error", err),
+			zap.Any("user_id", userID),
+			zap.String("email", validation.MaskEmail(normalizedEmail)))
+		return err
+	}
+
+	uc.logger.Info("Blocked email deleted",
+		zap.Any("user_id", userID),
+		zap.String("email", validation.MaskEmail(normalizedEmail)))
+
+	return nil
+}