users-subject.js
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users-subject.js
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	"use strict";
	const locreq = require("locreq")(__dirname);
	const Promise = require("bluebird");

	const Subject = locreq("lib/subject/subject.js");
	const Errors = locreq("lib/response/error.js");

	const me_synonyms = require("../../misc/me-synonyms.json");
	const MeSubject = require("./me-subject.js");
	const RootSubject = locreq("lib/subject/predefined-subjects/root-subject.js");
	const SuperContext = locreq("lib/super-context.js");

	const UsersSubject = function(app) {
	this.perform_action = function(context, action_name, params) {
	params = params \|\| {};
	switch (action_name) {
	case "create":
	return app.run_action(
	context,
	["collections", "users"],
	"create",
	params
	);
	case "show":
	return app.run_action(
	context,
	["collections", "users"],
	"show",
	params
	);
	default:
	return Promise.reject(
	new Errors.BadSubjectAction(
	`Unknown action for UsersSubject: '${action_name}'`
	)
	);
	}
	};

	this.get_child_subject = function(key) {
	if (me_synonyms.indexOf(key) !== -1) {
	return new MeSubject(app);
	} else {
	const username = key;
	return app
	.run_action(
	new SuperContext(),
	["collections", "users"],
	"show",
	{ filter: { username: username } }
	)
	.then(function(result) {
	if (result.length === 0) {
	throw new Errors.BadSubjectPath(
	`Unknown username: '${username}'`
	);
	} else {
	const user = result[0];
	return RootSubject.get_subject([
	"collections",
	"users",
	user.id,
	]);
	}
	});
	}
	};
	};

	UsersSubject.prototype = Object.create(Subject.prototype);

	UsersSubject.subject_name = "users";

	module.exports = UsersSubject;