-
Notifications
You must be signed in to change notification settings - Fork 7
/
rates.go
134 lines (90 loc) · 3.05 KB
/
rates.go
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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
package feed
import (
"github.com/tryanzu/core/board/legacy/model"
"github.com/tryanzu/core/deps"
"gopkg.in/mgo.v2/bson"
"strconv"
)
func (di *FeedModule) UpdateFeedRates(list []model.FeedPost) {
// Recover from any panic even inside this isolated process
defer di.Errors.Recover()
// Services we will need along the runtime
redis := di.CacheService
// Sorted list items (redis ZADD)
zadd := make(map[string]map[string]float64)
for _, post := range list {
var reached, viewed int
// Get reach and views
reached, viewed = di.getPostReachViews(post.Id)
total := reached + viewed
if total > 101 {
// Calculate the rates
view_rate := (100.0 / float64(reached)) * float64(viewed)
comment_rate := (100.0 / float64(viewed)) * float64(post.Comments.Count)
participants_rate := (100.0 / float64(post.Comments.Count)) * float64(len(post.Users))
final_rate := (view_rate + comment_rate + participants_rate) / 3.0
date := post.Created.Format("2006-01-02")
if _, okay := zadd[date]; !okay {
zadd[date] = map[string]float64{}
}
zadd[date][post.Id.Hex()] = final_rate
}
}
for date, items := range zadd {
_, err := redis.ZAdd("feed:relevant:"+date, items)
if err != nil {
panic(err)
}
}
}
func (di *FeedModule) UpdatePostRate(post model.Post) {
// Recover from any panic even inside this isolated process
defer di.Errors.Recover()
// Services we will need along the runtime
redis := di.CacheService
// Sorted list items (redis ZADD)
zadd := make(map[string]float64)
// Get reach and views
reached, viewed := di.getPostReachViews(post.Id)
total := reached + viewed
if total > 101 {
// Calculate the rates
view_rate := 100.0 / float64(reached) * float64(viewed)
comment_rate := 100.0 / float64(viewed) * float64(post.Comments.Count)
participants_rate := 100.0 / float64(post.Comments.Count) * float64(len(post.Users))
final_rate := (view_rate + comment_rate + participants_rate) / 3.0
date := post.Created.Format("2006-01-02")
zadd[post.Id.Hex()] = final_rate
_, err := redis.ZAdd("feed:relevant:"+date, zadd)
if err != nil {
panic(err)
}
}
}
func (di *FeedModule) getPostReachViews(id bson.ObjectId) (int, int) {
var reached, viewed int
// Services we will need along the runtime
database := deps.Container.Mgo()
redis := di.CacheService
list_count, _ := redis.Get("feed:count:list:" + id.Hex())
if list_count == nil {
reached, _ = database.C("activity").Find(bson.M{"list": id, "event": "feed"}).Count()
err := redis.Set("feed:count:list:"+id.Hex(), strconv.Itoa(reached), 1800, 0, false, false)
if err != nil {
panic(err)
}
} else {
reached, _ = strconv.Atoi(string(list_count))
}
viewed_count, _ := redis.Get("feed:count:post:" + id.Hex())
if viewed_count == nil {
viewed, _ = database.C("activity").Find(bson.M{"related_id": id, "event": "post"}).Count()
err := redis.Set("feed:count:post:"+id.Hex(), strconv.Itoa(viewed), 1800, 0, false, false)
if err != nil {
panic(err)
}
} else {
viewed, _ = strconv.Atoi(string(viewed_count))
}
return reached, viewed
}