51 lines
1.1 KiB
TypeScript
51 lines
1.1 KiB
TypeScript
import $ from 'cafy'; import ID from '../../../../cafy-id';
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import User, { pack, ILocalUser } from '../../../../models/user';
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import Following from '../../../../models/following';
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import create from '../../../../services/following/create';
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/**
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* Follow a user
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*/
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export default (params: any, user: ILocalUser) => new Promise(async (res, rej) => {
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const follower = user;
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// Get 'userId' parameter
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const [userId, userIdErr] = $.type(ID).get(params.userId);
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if (userIdErr) return rej('invalid userId param');
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// 自分自身
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if (user._id.equals(userId)) {
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return rej('followee is yourself');
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}
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// Get followee
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const followee = await User.findOne({
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_id: userId
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}, {
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fields: {
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data: false,
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profile: false
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}
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});
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if (followee === null) {
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return rej('user not found');
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}
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// Check if already following
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const exist = await Following.findOne({
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followerId: follower._id,
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followeeId: followee._id
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});
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if (exist !== null) {
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return rej('already following');
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}
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// Create following
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create(follower, followee);
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// Send response
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res(await pack(followee._id, user));
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});
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