-
Notifications
You must be signed in to change notification settings - Fork 0
/
logic.js
83 lines (79 loc) · 2.59 KB
/
logic.js
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
76
77
78
79
80
81
82
83
import { getUser, getThoughts } from "./api";
import { calculateTimeDiffFromNow } from "./helpers";
// TODO: there are definitely other logic functions that should be extracted from components and placed in this file
export async function refreshFeed(uid, discover) {
try {
return new Promise((resolve, reject) => {
getUser(uid).then((currentUser) => {
getThoughts(currentUser, discover).then((thoughts) => {
// thoughtCollabs = [[obj1, obj2], [obj3], ...]
var data = {};
for (var i = 0; i < thoughts.length; i++) {
const docData = thoughts[i];
const score = calculateScore(
docData.emojiSize,
docData.participants,
docData.time.toDate(),
docData.lastInteraction.toDate(),
docData.faceReactions
);
data[docData.id] = {
id: docData.id,
creatorID: docData.name.id,
name: docData.username,
imageURL: docData.imageURL,
profileURL: docData.profileURL,
time: calculateTimeDiffFromNow(docData.time.toDate()),
participants: docData.participants,
views: docData.views.length,
// TODO: For some reason, the image loading puts things out of order
rawTime: docData.lastInteraction,
postTime: docData.time.toDate(),
collabs: [],
emojis: docData.emojiSize,
reactions: 0,
thoughtUID: docData.id,
thought: docData.thought,
score: score,
faceReactions: docData.faceReactions,
visibility: docData.visibility,
};
}
resolve(data);
});
});
});
} catch (error) {
console.log(error);
}
}
export function calculateScore(
emojis,
participants,
postTime,
lastInteractionTime,
faceReactions
) {
// Calulate difference in days between postTime and now
const millisecondsPerHalfDay = 1000 * 60 * 60 * 12;
const millisecondsPerMinute = 1000 * 60;
const timeScore =
10000 /
(1 + Math.floor(Math.abs(new Date() - postTime) / millisecondsPerHalfDay));
const emojiScore = emojis * 1;
const participantScore = (participants.length - 1) * 3;
const faceReactionScore = faceReactions.length * 2;
const interactionScore =
1 /
10 **
Math.floor(
Math.abs(new Date() - lastInteractionTime) / millisecondsPerMinute
);
return (
timeScore +
emojiScore +
participantScore +
faceReactionScore +
interactionScore
);
}