63 lines
2.1 KiB
TypeScript
63 lines
2.1 KiB
TypeScript
import {
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parseProjectStateSnapshot,
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type ProjectStateSnapshot,
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} from "./project-state-snapshot.model.js";
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import type { SerializedProjectCommand } from "./project-command.model.js";
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export const projectStateRestoreCommandType = "project.restore-state";
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export const projectStateRestoreCommandSchemaVersion = 1 as const;
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export interface ProjectStateRestoreCommandPayload {
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expectedStateSha256: string;
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targetState: ProjectStateSnapshot;
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}
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export type ProjectStateRestoreCommand = SerializedProjectCommand<
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ProjectStateRestoreCommandPayload
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> & {
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schemaVersion: typeof projectStateRestoreCommandSchemaVersion;
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type: typeof projectStateRestoreCommandType;
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};
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export function createProjectStateRestoreCommand(
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expectedStateSha256: string,
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targetState: ProjectStateSnapshot
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): ProjectStateRestoreCommand {
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const command: ProjectStateRestoreCommand = {
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schemaVersion: projectStateRestoreCommandSchemaVersion,
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type: projectStateRestoreCommandType,
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payload: {
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expectedStateSha256,
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targetState: parseProjectStateSnapshot(targetState),
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},
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};
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assertProjectStateRestoreCommand(command);
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return command;
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}
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export function assertProjectStateRestoreCommand(
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value: unknown
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): asserts value is ProjectStateRestoreCommand {
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if (!value || typeof value !== "object") {
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throw new Error("Project state restore command must be an object.");
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}
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const command = value as Partial<ProjectStateRestoreCommand>;
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if (
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command.type !== projectStateRestoreCommandType ||
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command.schemaVersion !== projectStateRestoreCommandSchemaVersion
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) {
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throw new Error("Unsupported project state restore command.");
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}
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if (!command.payload || typeof command.payload !== "object") {
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throw new Error("Project state restore payload is required.");
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}
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const payload = command.payload as Partial<ProjectStateRestoreCommandPayload>;
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if (
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typeof payload.expectedStateSha256 !== "string" ||
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!/^[a-f0-9]{64}$/.test(payload.expectedStateSha256)
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) {
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throw new Error("Expected project state checksum is invalid.");
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}
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parseProjectStateSnapshot(payload.targetState);
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}
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