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

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

@@ -0,0 +1,80 @@
+// codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/service/blockedemail/list.go
+package blockedemail
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+
+	"github.com/gocql/gocql"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config/constants"
+	uc_blockedemail "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/usecase/blockedemail"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
+)
+
+type ListBlockedEmailsService interface {
+	Execute(ctx context.Context) (*ListBlockedEmailsResponseDTO, error)
+}
+
+type listBlockedEmailsServiceImpl struct {
+	config                   *config.Configuration
+	logger                   *zap.Logger
+	listBlockedEmailsUseCase uc_blockedemail.ListBlockedEmailsUseCase
+}
+
+func NewListBlockedEmailsService(
+	config *config.Configuration,
+	logger *zap.Logger,
+	listBlockedEmailsUseCase uc_blockedemail.ListBlockedEmailsUseCase,
+) ListBlockedEmailsService {
+	logger = logger.Named("ListBlockedEmailsService")
+	return &listBlockedEmailsServiceImpl{
+		config:                   config,
+		logger:                   logger,
+		listBlockedEmailsUseCase: listBlockedEmailsUseCase,
+	}
+}
+
+func (svc *listBlockedEmailsServiceImpl) Execute(ctx context.Context) (*ListBlockedEmailsResponseDTO, error) {
+	//
+	// STEP 1: Get user ID from context
+	//
+	userID, ok := ctx.Value(constants.SessionUserID).(gocql.UUID)
+	if !ok {
+		svc.logger.Error("Failed getting user ID from context")
+		return nil, httperror.NewInternalServerError("Authentication context error")
+	}
+
+	//
+	// STEP 2: List blocked emails
+	//
+	blockedEmails, err := svc.listBlockedEmailsUseCase.Execute(ctx, userID)
+	if err != nil {
+		svc.logger.Error("Failed to list blocked emails",
+			zap.Any("error", err),
+			zap.Any("user_id", userID))
+		return nil, err
+	}
+
+	//
+	// STEP 3: Map to response DTOs
+	//
+	responseDTOs := make([]*BlockedEmailResponseDTO, len(blockedEmails))
+	for i, blockedEmail := range blockedEmails {
+		responseDTOs[i] = &BlockedEmailResponseDTO{
+			UserID:        blockedEmail.UserID,
+			BlockedEmail:  blockedEmail.BlockedEmail,
+			BlockedUserID: blockedEmail.BlockedUserID,
+			Reason:        blockedEmail.Reason,
+			CreatedAt:     blockedEmail.CreatedAt,
+		}
+	}
+
+	response := &ListBlockedEmailsResponseDTO{
+		BlockedEmails: responseDTOs,
+		Count:         len(responseDTOs),
+	}
+
+	return response, nil
+}