Complete V1 scaffold

internal/service/issuer.go

@@ -0,0 +1,170 @@
+package service
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/shankar0123/certctl/internal/domain"
+	"github.com/shankar0123/certctl/internal/repository"
+)
+
+// IssuerService provides business logic for certificate issuer management.
+type IssuerService struct {
+	issuerRepo   repository.IssuerRepository
+	auditService *AuditService
+}
+
+// NewIssuerService creates a new issuer service.
+func NewIssuerService(
+	issuerRepo repository.IssuerRepository,
+	auditService *AuditService,
+) *IssuerService {
+	return &IssuerService{
+		issuerRepo:   issuerRepo,
+		auditService: auditService,
+	}
+}
+
+// List returns a paginated list of issuers.
+func (s *IssuerService) List(ctx context.Context, page, perPage int) ([]*domain.Issuer, int64, error) {
+	if page < 1 {
+		page = 1
+	}
+	if perPage < 1 {
+		perPage = 50
+	}
+
+	offset := int64((page - 1) * perPage)
+	issuers, total, err := s.issuerRepo.List(ctx, offset, int64(perPage))
+	if err != nil {
+		return nil, 0, fmt.Errorf("failed to list issuers: %w", err)
+	}
+	return issuers, total, nil
+}
+
+// Get retrieves an issuer by ID.
+func (s *IssuerService) Get(ctx context.Context, id string) (*domain.Issuer, error) {
+	issuer, err := s.issuerRepo.Get(ctx, id)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get issuer %s: %w", id, err)
+	}
+	return issuer, nil
+}
+
+// Create validates and stores a new issuer.
+func (s *IssuerService) Create(ctx context.Context, issuer *domain.Issuer, actor string) error {
+	if issuer.Name == "" {
+		return fmt.Errorf("issuer name is required")
+	}
+
+	issuer.ID = generateID("issuer")
+	if err := s.issuerRepo.Create(ctx, issuer); err != nil {
+		return fmt.Errorf("failed to create issuer: %w", err)
+	}
+
+	if s.auditService != nil {
+		_ = s.auditService.RecordEvent(ctx, actor, domain.ActorTypeUser, "create_issuer", "issuer", issuer.ID, nil)
+	}
+
+	return nil
+}
+
+// Update modifies an existing issuer.
+func (s *IssuerService) Update(ctx context.Context, id string, issuer *domain.Issuer, actor string) error {
+	if issuer.Name == "" {
+		return fmt.Errorf("issuer name is required")
+	}
+
+	issuer.ID = id
+	if err := s.issuerRepo.Update(ctx, issuer); err != nil {
+		return fmt.Errorf("failed to update issuer %s: %w", id, err)
+	}
+
+	if s.auditService != nil {
+		_ = s.auditService.RecordEvent(ctx, actor, domain.ActorTypeUser, "update_issuer", "issuer", id, nil)
+	}
+
+	return nil
+}
+
+// Delete removes an issuer.
+func (s *IssuerService) Delete(ctx context.Context, id string, actor string) error {
+	if err := s.issuerRepo.Delete(ctx, id); err != nil {
+		return fmt.Errorf("failed to delete issuer %s: %w", id, err)
+	}
+
+	if s.auditService != nil {
+		_ = s.auditService.RecordEvent(ctx, actor, domain.ActorTypeUser, "delete_issuer", "issuer", id, nil)
+	}
+
+	return nil
+}
+
+// TestConnection verifies the issuer connection.
+func (s *IssuerService) TestConnection(ctx context.Context, id string) error {
+	issuer, err := s.issuerRepo.Get(ctx, id)
+	if err != nil {
+		return fmt.Errorf("issuer not found: %w", err)
+	}
+
+	// TODO: Implement actual connection test based on issuer type
+	if issuer == nil {
+		return fmt.Errorf("issuer not found")
+	}
+
+	return nil
+}
+
+// ListIssuers returns paginated issuers (handler interface method).
+func (s *IssuerService) ListIssuers(page, perPage int) ([]domain.Issuer, int64, error) {
+	if page < 1 {
+		page = 1
+	}
+	if perPage < 1 {
+		perPage = 50
+	}
+
+	offset := int64((page - 1) * perPage)
+	issuers, total, err := s.issuerRepo.List(context.Background(), offset, int64(perPage))
+	if err != nil {
+		return nil, 0, fmt.Errorf("failed to list issuers: %w", err)
+	}
+
+	// Convert pointers to values for the handler interface
+	var result []domain.Issuer
+	for _, i := range issuers {
+		if i != nil {
+			result = append(result, *i)
+		}
+	}
+
+	return result, total, nil
+}
+
+// GetIssuer returns a single issuer (handler interface method).
+func (s *IssuerService) GetIssuer(id string) (*domain.Issuer, error) {
+	return s.issuerRepo.Get(context.Background(), id)
+}
+
+// CreateIssuer creates a new issuer (handler interface method).
+func (s *IssuerService) CreateIssuer(issuer domain.Issuer) (*domain.Issuer, error) {
+	issuer.ID = generateID("issuer")
+	if err := s.issuerRepo.Create(context.Background(), &issuer); err != nil {
+		return nil, fmt.Errorf("failed to create issuer: %w", err)
+	}
+	return &issuer, nil
+}
+
+// UpdateIssuer modifies an issuer (handler interface method).
+func (s *IssuerService) UpdateIssuer(id string, issuer domain.Issuer) (*domain.Issuer, error) {
+	issuer.ID = id
+	if err := s.issuerRepo.Update(context.Background(), &issuer); err != nil {
+		return nil, fmt.Errorf("failed to update issuer: %w", err)
+	}
+	return &issuer, nil
+}
+
+// DeleteIssuer removes an issuer (handler interface method).
+func (s *IssuerService) DeleteIssuer(id string) error {
+	return s.issuerRepo.Delete(context.Background(), id)
+}