yumechi-no-kuni/src/server/api/endpoints/users.ts

import $ from 'cafy';
import User, { pack } from '../../../models/user';
import define from '../define';
import { fallback } from '../../../prelude/symbol';

const nonnull = { $ne: null as any };

export const meta = {
	requireCredential: false,

	params: {
		limit: {
			validator: $.optional.num.range(1, 100),
			default: 10
		},

		offset: {
			validator: $.optional.num.min(0),
			default: 0
		},

		sort: {
			validator: $.optional.str.or([
				'+follower',
				'-follower',
				'+createdAt',
				'-createdAt',
				'+updatedAt',
				'-updatedAt',
			]),
		},

		state: {
			validator: $.optional.str.or([
				'all',
				'admin',
				'moderator',
				'adminOrModerator',
				'verified',
				'alive'
			]),
			default: 'all'
		},

		origin: {
			validator: $.optional.str.or([
				'combined',
				'local',
				'remote',
			]),
			default: 'local'
		}
	}
};

const state: any = { // < https://github.com/Microsoft/TypeScript/issues/1863
  'admin': { isAdmin: true },
  'moderator': { isModerator: true },
  'adminOrModerator': {
    $or: [
      { isAdmin: true },
      { isModerator: true }
    ]
  },
  'verified': { isVerified: true },
  'alive': {
    updatedAt: { $gt: new Date(Date.now() - 1000 * 60 * 60 * 24 * 5) }
  },
  [fallback]: {}
};

const origin: any = { // < https://github.com/Microsoft/TypeScript/issues/1863
  'local': { host: null },
  'remote': { host: nonnull },
  [fallback]: {}
};

const sort: any = { // < https://github.com/Microsoft/TypeScript/issues/1863
	'+follower': { followersCount: -1 },
	'-follower': { followersCount: 1 },
	'+createdAt': { createdAt: -1 },
	'-createdAt': { createdAt: 1 },
	'+updatedAt': { updatedAt: -1 },
	'-updatedAt': { updatedAt: 1 },
	[fallback]: { _id: -1 }
};

export default define(meta, (ps, me) => new Promise(async (res, rej) => {
	const users = await User
		.find({
      $and: [
        state[ps.state] || state[fallback],
        origin[ps.origin] || origin[fallback]
      ]
    }, {
			limit: ps.limit,
			sort: sort[ps.sort] || sort[fallback],
			skip: ps.offset
		});

	res(await Promise.all(users.map(user => pack(user, me, { detail: true }))));
}));