misskey/src/server/api/endpoints/aggregation/users/reaction.ts

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/**
* Module dependencies
*/
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import $ from 'cafy'; import ID from '../../../../../cafy-id';
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import User from '../../../../../models/user';
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import Reaction from '../../../../../models/note-reaction';
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/**
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* Aggregate reaction of a user
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*
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* @param {any} params
* @return {Promise<any>}
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*/
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module.exports = (params) => new Promise(async (res, rej) => {
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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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// Lookup user
const user = await User.findOne({
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_id: userId
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}, {
fields: {
_id: true
}
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});
if (user === null) {
return rej('user not found');
}
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const datas = await Reaction
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.aggregate([
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{ $match: { userId: user._id } },
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{ $project: {
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createdAt: { $add: ['$createdAt', 9 * 60 * 60 * 1000] } // Convert into JST
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}},
{ $project: {
date: {
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year: { $year: '$createdAt' },
month: { $month: '$createdAt' },
day: { $dayOfMonth: '$createdAt' }
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}
}},
{ $group: {
_id: '$date',
count: { $sum: 1 }
}}
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]);
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datas.forEach(data => {
data.date = data._id;
delete data._id;
});
const graph = [];
for (let i = 0; i < 30; i++) {
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const day = new Date(new Date().setDate(new Date().getDate() - i));
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const data = datas.filter(d =>
d.date.year == day.getFullYear() && d.date.month == day.getMonth() + 1 && d.date.day == day.getDate()
)[0];
if (data) {
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graph.push(data);
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} else {
graph.push({
date: {
year: day.getFullYear(),
month: day.getMonth() + 1, // In JavaScript, month is zero-based.
day: day.getDate()
},
count: 0
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});
}
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}
res(graph);
});