openclaw/extensions/slack/src/modal-metadata.ts

46 lines
1.4 KiB
TypeScript

export type SlackModalPrivateMetadata = {
sessionKey?: string;
channelId?: string;
channelType?: string;
userId?: string;
};
const SLACK_PRIVATE_METADATA_MAX = 3000;
function normalizeString(value: unknown) {
return typeof value === "string" && value.trim().length > 0 ? value.trim() : undefined;
}
export function parseSlackModalPrivateMetadata(raw: unknown): SlackModalPrivateMetadata {
if (typeof raw !== "string" || raw.trim().length === 0) {
return {};
}
try {
const parsed = JSON.parse(raw) as Record<string, unknown>;
return {
sessionKey: normalizeString(parsed.sessionKey),
channelId: normalizeString(parsed.channelId),
channelType: normalizeString(parsed.channelType),
userId: normalizeString(parsed.userId),
};
} catch {
return {};
}
}
export function encodeSlackModalPrivateMetadata(input: SlackModalPrivateMetadata): string {
const payload: SlackModalPrivateMetadata = {
...(input.sessionKey ? { sessionKey: input.sessionKey } : {}),
...(input.channelId ? { channelId: input.channelId } : {}),
...(input.channelType ? { channelType: input.channelType } : {}),
...(input.userId ? { userId: input.userId } : {}),
};
const encoded = JSON.stringify(payload);
if (encoded.length > SLACK_PRIVATE_METADATA_MAX) {
throw new Error(
`Slack modal private_metadata cannot exceed ${SLACK_PRIVATE_METADATA_MAX} chars`,
);
}
return encoded;
}