41 lines
1.0 KiB
TypeScript
41 lines
1.0 KiB
TypeScript
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import { existsSync, statSync } from "node:fs";
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import path from "node:path";
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import { AppError } from "../errors";
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import type { ResolvedMediaSource } from "./mediaTypes";
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export async function resolveMediaSource(
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input: string,
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): Promise<ResolvedMediaSource> {
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const source = input.trim();
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if (!source) {
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throw new AppError("Media source is required", "MISSING_MEDIA_SOURCE", 400);
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}
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if (source.startsWith("http://") || source.startsWith("https://")) {
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return {
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source,
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title: titleFromUrl(source),
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kind: "url",
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};
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}
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if (existsSync(source) && statSync(source).isFile()) {
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return {
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source,
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title: path.basename(source),
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kind: "local",
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};
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}
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throw new AppError(
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"Media source must be an HTTP(S) URL or existing local file",
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"UNSUPPORTED_MEDIA_SOURCE",
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400,
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);
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}
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function titleFromUrl(source: string): string {
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const url = new URL(source);
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const filename = decodeURIComponent(url.pathname.split("/").pop() || "");
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return filename || url.hostname;
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}
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