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

cloud/maplepress-backend/internal/usecase/site/list.go

@@ -0,0 +1,55 @@
+package site
+
+import (
+	"context"
+
+	"github.com/gocql/gocql"
+	"go.uber.org/zap"
+
+	domainsite "codeberg.org/mapleopentech/monorepo/cloud/maplepress-backend/internal/domain/site"
+)
+
+// ListSitesUseCase handles listing sites for a tenant
+type ListSitesUseCase struct {
+	repo   domainsite.Repository
+	logger *zap.Logger
+}
+
+// ProvideListSitesUseCase creates a new ListSitesUseCase
+func ProvideListSitesUseCase(repo domainsite.Repository, logger *zap.Logger) *ListSitesUseCase {
+	return &ListSitesUseCase{
+		repo:   repo,
+		logger: logger,
+	}
+}
+
+// ListSitesInput is the input for listing sites
+type ListSitesInput struct {
+	PageSize  int
+	PageState []byte
+}
+
+// ListSitesOutput is the output after listing sites
+type ListSitesOutput struct {
+	Sites     []*domainsite.Site
+	PageState []byte
+}
+
+// Execute lists all sites for a tenant
+func (uc *ListSitesUseCase) Execute(ctx context.Context, tenantID gocql.UUID, input *ListSitesInput) (*ListSitesOutput, error) {
+	pageSize := input.PageSize
+	if pageSize == 0 {
+		pageSize = 20 // Default page size
+	}
+
+	sites, nextPageState, err := uc.repo.ListByTenant(ctx, tenantID, pageSize, input.PageState)
+	if err != nil {
+		uc.logger.Error("failed to list sites", zap.Error(err))
+		return nil, err
+	}
+
+	return &ListSitesOutput{
+		Sites:     sites,
+		PageState: nextPageState,
+	}, nil
+}