add api framework

internal/httpapp/router_helpers.go

@@ -0,0 +1,185 @@
+package httpapp
+
+import (
+	"net/http"
+	"strings"
+)
+
+// methodHandler routes requests based on HTTP method
+func methodHandler(get, post, put, delete, patch http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		switch r.Method {
+		case http.MethodGet:
+			if get != nil {
+				get(w, r)
+			} else {
+				http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+			}
+		case http.MethodPost:
+			if post != nil {
+				post(w, r)
+			} else {
+				http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+			}
+		case http.MethodPut:
+			if put != nil {
+				put(w, r)
+			} else {
+				http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+			}
+		case http.MethodDelete:
+			if delete != nil {
+				delete(w, r)
+			} else {
+				http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+			}
+		case http.MethodPatch:
+			if patch != nil {
+				patch(w, r)
+			} else {
+				http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+			}
+		default:
+			http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		}
+	}
+}
+
+// pathParam extracts the last segment from a path
+func pathParam(r *http.Request, prefix string) string {
+	path := strings.TrimPrefix(r.URL.Path, prefix)
+	path = strings.Trim(path, "/")
+	parts := strings.Split(path, "/")
+	if len(parts) > 0 {
+		return parts[len(parts)-1]
+	}
+	return ""
+}
+
+// handlePoolOps routes pool operations by method
+func (a *App) handlePoolOps(w http.ResponseWriter, r *http.Request) {
+	if strings.HasSuffix(r.URL.Path, "/scrub") {
+		if r.Method == http.MethodPost {
+			a.handleScrubPool(w, r)
+			return
+		}
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetPool(w, r) },
+		nil,
+		nil,
+		func(w http.ResponseWriter, r *http.Request) { a.handleDeletePool(w, r) },
+		nil,
+	)(w, r)
+}
+
+// handleDatasetOps routes dataset operations by method
+func (a *App) handleDatasetOps(w http.ResponseWriter, r *http.Request) {
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetDataset(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleCreateDataset(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleUpdateDataset(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleDeleteDataset(w, r) },
+		nil,
+	)(w, r)
+}
+
+// handleZVOLOps routes ZVOL operations by method
+func (a *App) handleZVOLOps(w http.ResponseWriter, r *http.Request) {
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetZVOL(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleCreateZVOL(w, r) },
+		nil,
+		func(w http.ResponseWriter, r *http.Request) { a.handleDeleteZVOL(w, r) },
+		nil,
+	)(w, r)
+}
+
+// handleSnapshotOps routes snapshot operations by method
+func (a *App) handleSnapshotOps(w http.ResponseWriter, r *http.Request) {
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetSnapshot(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleCreateSnapshot(w, r) },
+		nil,
+		func(w http.ResponseWriter, r *http.Request) { a.handleDeleteSnapshot(w, r) },
+		nil,
+	)(w, r)
+}
+
+// handleSnapshotPolicyOps routes snapshot policy operations by method
+func (a *App) handleSnapshotPolicyOps(w http.ResponseWriter, r *http.Request) {
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetSnapshotPolicy(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleCreateSnapshotPolicy(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleUpdateSnapshotPolicy(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleDeleteSnapshotPolicy(w, r) },
+		nil,
+	)(w, r)
+}
+
+// handleSMBShareOps routes SMB share operations by method
+func (a *App) handleSMBShareOps(w http.ResponseWriter, r *http.Request) {
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetSMBShare(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleCreateSMBShare(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleUpdateSMBShare(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleDeleteSMBShare(w, r) },
+		nil,
+	)(w, r)
+}
+
+// handleNFSExportOps routes NFS export operations by method
+func (a *App) handleNFSExportOps(w http.ResponseWriter, r *http.Request) {
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetNFSExport(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleCreateNFSExport(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleUpdateNFSExport(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleDeleteNFSExport(w, r) },
+		nil,
+	)(w, r)
+}
+
+// handleISCSITargetOps routes iSCSI target operations by method
+func (a *App) handleISCSITargetOps(w http.ResponseWriter, r *http.Request) {
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetISCSITarget(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleCreateISCSITarget(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleUpdateISCSITarget(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleDeleteISCSITarget(w, r) },
+		nil,
+	)(w, r)
+}
+
+// handleJobOps routes job operations by method
+func (a *App) handleJobOps(w http.ResponseWriter, r *http.Request) {
+	if strings.HasSuffix(r.URL.Path, "/cancel") {
+		if r.Method == http.MethodPost {
+			a.handleCancelJob(w, r)
+			return
+		}
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetJob(w, r) },
+		nil,
+		nil,
+		nil,
+		nil,
+	)(w, r)
+}
+
+// handleUserOps routes user operations by method
+func (a *App) handleUserOps(w http.ResponseWriter, r *http.Request) {
+	methodHandler(
+		func(w http.ResponseWriter, r *http.Request) { a.handleGetUser(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleCreateUser(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleUpdateUser(w, r) },
+		func(w http.ResponseWriter, r *http.Request) { a.handleDeleteUser(w, r) },
+		nil,
+	)(w, r)
+}