1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/**
* Module dependencies
*/
import $ from 'cafy';
import Post from '../../../models/post';
/**
* Aggregate reply of a post
*
* @param {any} params
* @return {Promise<any>}
*/
module.exports = (params) => new Promise(async (res, rej) => {
// Get 'postId' parameter
const [postId, postIdErr] = $(params.postId).id().$;
if (postIdErr) return rej('invalid postId param');
// Lookup post
const post = await Post.findOne({
_id: postId
});
if (post === null) {
return rej('post not found');
}
const datas = await Post
.aggregate([
{ $match: { reply: post._id } },
{ $project: {
createdAt: { $add: ['$createdAt', 9 * 60 * 60 * 1000] } // Convert into JST
}},
{ $project: {
date: {
year: { $year: '$createdAt' },
month: { $month: '$createdAt' },
day: { $dayOfMonth: '$createdAt' }
}
}},
{ $group: {
_id: '$date',
count: { $sum: 1 }
}}
]);
datas.forEach(data => {
data.date = data._id;
delete data._id;
});
const graph = [];
for (let i = 0; i < 30; i++) {
const day = new Date(new Date().setDate(new Date().getDate() - i));
const data = datas.filter(d =>
d.date.year == day.getFullYear() && d.date.month == day.getMonth() + 1 && d.date.day == day.getDate()
)[0];
if (data) {
graph.push(data);
} else {
graph.push({
date: {
year: day.getFullYear(),
month: day.getMonth() + 1, // In JavaScript, month is zero-based.
day: day.getDate()
},
count: 0
});
}
}
res(graph);
});
|
