contribution

o := NewOwner("foo", time.Now(), time.Now())

name := func(s string) *string {
	return &s
}

bob := gogithub.User{
	Login: name("bob"),
}

alice := gogithub.User{
	Login: name("alice"),
}

fred := gogithub.User{
	Login: name("fred"),
}

barney := gogithub.User{
	Login: name("barney"),
}

approved := "APPROVED"

utc, _ := time.LoadLocation("UTC")
now := time.Date(2020, 6, 17, 0, 0, 0, 0, utc)

lastMonth := time.Date(2020, 5, 17, 0, 0, 0, 0, utc)

bar := NewRepository("bar", []*github.Contribution{
	{
		PullRequest: &gogithub.PullRequest{
			CreatedAt: &now,
			User:      &bob,
		},
		Reviews: []*gogithub.PullRequestReview{
			{
				User:  &alice,
				State: &approved,
			},
		},
		Comments: []*gogithub.PullRequestComment{
			{
				User: &fred,
			},
			{
				User: &barney,
			},
		},
		IssueComments: []*gogithub.IssueComment{
			{
				User: &fred,
			},
		},
	},
	{
		PullRequest: &gogithub.PullRequest{
			CreatedAt: &now,
			User:      &barney,
		},
		Reviews: []*gogithub.PullRequestReview{
			{
				User:  &bob,
				State: &approved,
			},
		},
		Comments: []*gogithub.PullRequestComment{
			{
				User: &fred,
			},
			{
				User: &barney,
			},
		},
	},
	{
		PullRequest: &gogithub.PullRequest{
			CreatedAt: &lastMonth,
			User:      &alice,
		},
		Reviews: []*gogithub.PullRequestReview{
			{
				User:  &bob,
				State: &approved,
			},
		},
	},
})

o.AddRepository(bar)

csv, err := o.CSV()
if err != nil {
	fmt.Println(err)
}

fmt.Println(csv)

Output:

created_at,owner,repository,pull_request,approve,comment,alice.pull_request,alice.approve,alice.comment,barney.pull_request,barney.approve,barney.comment,bob.pull_request,bob.approve,bob.comment,fred.pull_request,fred.approve,fred.comment
2020-05,foo,bar,1,1,0,1,0,0,,,,0,1,0,,,
2020-06,foo,bar,2,2,5,0,1,0,1,0,2,1,1,0,0,0,3