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

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

@@ -0,0 +1,47 @@
+// codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/usecase/blockedemail/list.go
+package blockedemail
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+
+	"github.com/gocql/gocql"
+	dom_blockedemail "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/domain/blockedemail"
+)
+
+type ListBlockedEmailsUseCase interface {
+	Execute(ctx context.Context, userID gocql.UUID) ([]*dom_blockedemail.BlockedEmail, error)
+}
+
+type listBlockedEmailsUseCaseImpl struct {
+	logger *zap.Logger
+	repo   dom_blockedemail.BlockedEmailRepository
+}
+
+func NewListBlockedEmailsUseCase(
+	logger *zap.Logger,
+	repo dom_blockedemail.BlockedEmailRepository,
+) ListBlockedEmailsUseCase {
+	logger = logger.Named("ListBlockedEmailsUseCase")
+	return &listBlockedEmailsUseCaseImpl{
+		logger: logger,
+		repo:   repo,
+	}
+}
+
+func (uc *listBlockedEmailsUseCaseImpl) Execute(ctx context.Context, userID gocql.UUID) ([]*dom_blockedemail.BlockedEmail, error) {
+	blockedEmails, err := uc.repo.List(ctx, userID)
+	if err != nil {
+		uc.logger.Error("Failed to list blocked emails",
+			zap.Any("error", err),
+			zap.Any("user_id", userID))
+		return nil, err
+	}
+
+	uc.logger.Debug("Listed blocked emails",
+		zap.Any("user_id", userID),
+		zap.Int("count", len(blockedEmails)))
+
+	return blockedEmails, nil
+}