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
|
package main
import (
"fmt"
"sort"
"time"
)
// AnalyzePRs processes a list of PRs and generates metrics for each reviewer.
func (a *Analyzer) AnalyzePRs(prs []PRData) ([]ReviewerMetrics, error) {
reviewerPRs := make(map[string][]PRMetrics)
for _, pr := range prs {
metrics, err := a.analyzePR(pr)
if err != nil {
return nil, fmt.Errorf("analyzing PR %d: %w", pr.Number, err)
}
for _, reviewer := range metrics.Reviewers {
reviewerPRs[reviewer] = append(reviewerPRs[reviewer], metrics)
}
}
var results []ReviewerMetrics
for reviewer, prs := range reviewerPRs {
metrics := a.calculateReviewerMetrics(reviewer, prs)
results = append(results, metrics)
}
sort.Slice(results, func(i, j int) bool {
return results[i].PRsReviewed > results[j].PRsReviewed
})
return results, nil
}
func (a *Analyzer) analyzePR(pr PRData) (PRMetrics, error) {
metrics := PRMetrics{
Number: pr.Number,
CreatedAt: pr.CreatedAt,
CommentsPerFile: make(map[string]int),
Reviewers: make([]string, 0),
}
sort.Slice(pr.Reviews, func(i, j int) bool {
return pr.Reviews[i].SubmittedAt.Before(pr.Reviews[j].SubmittedAt)
})
for _, review := range pr.Reviews {
metrics.Reviewers = append(metrics.Reviewers, review.Reviewer)
pattern := ReviewPattern{
FirstReviewState: review.State,
TimeToFirstReview: review.SubmittedAt.Sub(pr.CreatedAt),
}
for _, comment := range review.Comments {
metrics.CommentsPerFile[comment.Path]++
}
metrics.ReviewPatterns = append(metrics.ReviewPatterns, pattern)
}
if len(pr.Reviews) > 0 {
metrics.TimeToFirstReview = pr.Reviews[0].SubmittedAt.Sub(pr.CreatedAt)
}
if len(metrics.ReviewPatterns) > 0 {
lastReview := pr.Reviews[len(pr.Reviews)-1]
metrics.ReviewPatterns[len(metrics.ReviewPatterns)-1].FinalReviewState = lastReview.State
metrics.ReviewPatterns[len(metrics.ReviewPatterns)-1].TimeToFinalReview = lastReview.SubmittedAt.Sub(
pr.CreatedAt,
)
}
return metrics, nil
}
func (a *Analyzer) calculateReviewerMetrics(reviewer string, prs []PRMetrics) ReviewerMetrics {
metrics := ReviewerMetrics{
Username: reviewer,
PRsReviewed: len(prs),
}
var totalReviewSpeed time.Duration
var totalComments int
var immediateApprovals int
for _, pr := range prs {
var pattern ReviewPattern
for _, p := range pr.ReviewPatterns {
if p.FirstReviewState != "" {
pattern = p
break
}
}
if pattern.TimeToFirstReview > 0 {
totalReviewSpeed += pattern.TimeToFirstReview
}
for _, count := range pr.CommentsPerFile {
totalComments += count
}
if pattern.FirstReviewState == "APPROVED" {
immediateApprovals++
}
}
if metrics.PRsReviewed > 0 {
metrics.AverageReviewSpeed = totalReviewSpeed.Hours() / float64(metrics.PRsReviewed)
metrics.AverageComments = float64(totalComments) / float64(metrics.PRsReviewed)
metrics.ImmediateApprovals = float64(
immediateApprovals,
) / float64(
metrics.PRsReviewed,
) * 100
}
return metrics
}
|
