single-file-subject.ts
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single-file-subject.ts
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	import App from "../../app/app";
	import * as Errors from "../../response/errors";
	import { NoActionSubject, LeafSubject } from "../subject";
	import Context from "../../context";
	import { ShowActionName } from "../../action";
	import { File } from "../../main";

	export default class FileHash extends NoActionSubject {
	file_id: string;

	constructor(app: App, file_id: string) {
	super(app);
	this.file_id = file_id;
	}
	getName() {
	return "FileHash";
	}
	async getChildSubject(path_element: string) {
	return new SingleFileSubject(this.app, this.file_id, path_element);
	}
	}

	class SingleFileSubject extends LeafSubject {
	file_id: string;
	file_name: string;

	constructor(app: App, file_id: string, file_name: string) {
	super(app);
	this.file_id = file_id;
	this.file_name = file_name;
	}
	getName() {
	return "SingleFile";
	}
	async performAction(_: Context, action_name: ShowActionName, __?: any) {
	if (action_name !== "show") {
	throw new Errors.DeveloperError(
	`Unknown action for '${this.name}' subject: '${action_name}'`
	);
	}

	return await File.fromID(this.app, this.file_id);
	}
	}