Initial scaffold: certificate control plane v0.1.0

internal/api/handler/owners.go

@@ -0,0 +1,181 @@
+package handler
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/shankar0123/certctl/internal/api/middleware"
+	"github.com/shankar0123/certctl/internal/domain"
+)
+
+// OwnerService defines the service interface for owner operations.
+type OwnerService interface {
+	ListOwners(page, perPage int) ([]domain.Owner, int64, error)
+	GetOwner(id string) (*domain.Owner, error)
+	CreateOwner(owner domain.Owner) (*domain.Owner, error)
+	UpdateOwner(id string, owner domain.Owner) (*domain.Owner, error)
+	DeleteOwner(id string) error
+}
+
+// OwnerHandler handles HTTP requests for owner operations.
+type OwnerHandler struct {
+	svc OwnerService
+}
+
+// NewOwnerHandler creates a new OwnerHandler with a service dependency.
+func NewOwnerHandler(svc OwnerService) OwnerHandler {
+	return OwnerHandler{svc: svc}
+}
+
+// ListOwners lists all owners.
+// GET /api/v1/owners?page=1&per_page=50
+func (h OwnerHandler) ListOwners(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		Error(w, http.StatusMethodNotAllowed, "Method not allowed")
+		return
+	}
+
+	requestID := middleware.GetRequestID(r.Context())
+
+	page := 1
+	perPage := 50
+	query := r.URL.Query()
+	if p := query.Get("page"); p != "" {
+		if parsed, err := strconv.Atoi(p); err == nil && parsed > 0 {
+			page = parsed
+		}
+	}
+	if pp := query.Get("per_page"); pp != "" {
+		if parsed, err := strconv.Atoi(pp); err == nil && parsed > 0 && parsed <= 500 {
+			perPage = parsed
+		}
+	}
+
+	owners, total, err := h.svc.ListOwners(page, perPage)
+	if err != nil {
+		ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to list owners", requestID)
+		return
+	}
+
+	response := PagedResponse{
+		Data:    owners,
+		Total:   total,
+		Page:    page,
+		PerPage: perPage,
+	}
+
+	JSON(w, http.StatusOK, response)
+}
+
+// GetOwner retrieves a single owner by ID.
+// GET /api/v1/owners/{id}
+func (h OwnerHandler) GetOwner(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		Error(w, http.StatusMethodNotAllowed, "Method not allowed")
+		return
+	}
+
+	requestID := middleware.GetRequestID(r.Context())
+
+	id := strings.TrimPrefix(r.URL.Path, "/api/v1/owners/")
+	parts := strings.Split(id, "/")
+	if len(parts) == 0 || parts[0] == "" {
+		ErrorWithRequestID(w, http.StatusBadRequest, "Owner ID is required", requestID)
+		return
+	}
+	id = parts[0]
+
+	owner, err := h.svc.GetOwner(id)
+	if err != nil {
+		ErrorWithRequestID(w, http.StatusNotFound, "Owner not found", requestID)
+		return
+	}
+
+	JSON(w, http.StatusOK, owner)
+}
+
+// CreateOwner creates a new owner.
+// POST /api/v1/owners
+func (h OwnerHandler) CreateOwner(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		Error(w, http.StatusMethodNotAllowed, "Method not allowed")
+		return
+	}
+
+	requestID := middleware.GetRequestID(r.Context())
+
+	var owner domain.Owner
+	if err := json.NewDecoder(r.Body).Decode(&owner); err != nil {
+		ErrorWithRequestID(w, http.StatusBadRequest, "Invalid request body", requestID)
+		return
+	}
+
+	created, err := h.svc.CreateOwner(owner)
+	if err != nil {
+		ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to create owner", requestID)
+		return
+	}
+
+	JSON(w, http.StatusCreated, created)
+}
+
+// UpdateOwner updates an existing owner.
+// PUT /api/v1/owners/{id}
+func (h OwnerHandler) UpdateOwner(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPut {
+		Error(w, http.StatusMethodNotAllowed, "Method not allowed")
+		return
+	}
+
+	requestID := middleware.GetRequestID(r.Context())
+
+	id := strings.TrimPrefix(r.URL.Path, "/api/v1/owners/")
+	parts := strings.Split(id, "/")
+	if len(parts) == 0 || parts[0] == "" {
+		ErrorWithRequestID(w, http.StatusBadRequest, "Owner ID is required", requestID)
+		return
+	}
+	id = parts[0]
+
+	var owner domain.Owner
+	if err := json.NewDecoder(r.Body).Decode(&owner); err != nil {
+		ErrorWithRequestID(w, http.StatusBadRequest, "Invalid request body", requestID)
+		return
+	}
+
+	updated, err := h.svc.UpdateOwner(id, owner)
+	if err != nil {
+		ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to update owner", requestID)
+		return
+	}
+
+	JSON(w, http.StatusOK, updated)
+}
+
+// DeleteOwner deletes an owner.
+// DELETE /api/v1/owners/{id}
+func (h OwnerHandler) DeleteOwner(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodDelete {
+		Error(w, http.StatusMethodNotAllowed, "Method not allowed")
+		return
+	}
+
+	requestID := middleware.GetRequestID(r.Context())
+
+	id := strings.TrimPrefix(r.URL.Path, "/api/v1/owners/")
+	parts := strings.Split(id, "/")
+	if len(parts) == 0 || parts[0] == "" {
+		ErrorWithRequestID(w, http.StatusBadRequest, "Owner ID is required", requestID)
+		return
+	}
+	id = parts[0]
+
+	if err := h.svc.DeleteOwner(id); err != nil {
+		ErrorWithRequestID(w, http.StatusInternalServerError, "Failed to delete owner", requestID)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}