mizzkey/src/tools/analysis/predict-user-interst.ts
2017-09-07 13:19:28 +09:00

46 lines
749 B
TypeScript

import Post from '../../api/models/post';
import User from '../../api/models/user';
export async function predictOne(id) {
console.log(`predict interest of ${id} ...`);
// TODO: repostなども含める
const recentPosts = await Post.find({
user_id: id,
category: {
$exists: true
}
}, {
sort: {
_id: -1
},
limit: 1000,
fields: {
_id: false,
category: true
}
});
const categories = {};
recentPosts.forEach(post => {
if (categories[post.category]) {
categories[post.category]++;
} else {
categories[post.category] = 1;
}
});
}
export async function predictAll() {
const allUsers = await User.find({}, {
fields: {
_id: true
}
});
allUsers.forEach(user => {
predictOne(user._id);
});
}