/
orgstreak.go
146 lines (119 loc) · 2.71 KB
/
orgstreak.go
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package main
import (
"encoding/json"
"encoding/xml"
"flag"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"strconv"
"time"
"github.com/google/go-github/github"
)
type contribCalendar struct {
XMLName xml.Name `xml:"svg"`
Group containerGroup `xml:"g"`
}
type containerGroup struct {
Groups []contribGroup `xml:"g"`
}
type contribGroup struct {
Rects []Contribution `xml:"rect"`
}
type Contribution struct {
Date time.Time `xml:"data-date,attr"`
Num int `xml:"data-count,attr"`
}
type contributionXML struct {
Date string `xml:"data-date,attr"`
Num string `xml:"data-count,attr"`
}
const dateFormat string = "2006-01-02"
func (c *Contribution) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
var i contributionXML
err := d.DecodeElement(&i, &start)
if err != nil {
return err
}
c.Date, err = time.Parse(dateFormat, i.Date)
if err != nil {
return err
}
c.Num, err = strconv.Atoi(i.Num)
if err != nil {
return err
}
return nil
}
func getContributions(user github.User) []Contribution {
login := github.Stringify(user.Login)
url := "https://github.com/users/" + login[1:len(login)-1] + "/contributions"
var contribData contribCalendar
resp, err := http.Get(url)
defer resp.Body.Close()
if err != nil {
log.Fatal(err)
}
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Fatal(err)
}
if data == nil {
log.Fatalln("No data returned.")
}
err = xml.Unmarshal(data, &contribData)
if err != nil {
log.Fatal(err)
}
var contributions []Contribution
for _, group := range contribData.Group.Groups {
contributions = append(contributions, group.Rects...)
}
return contributions
}
func getOrgMembers(orgName string) []github.User {
client := github.NewClient(nil)
users, _, err := client.Organizations.ListMembers(orgName, nil)
if err != nil {
log.Fatal(err)
}
return users
}
func main() {
flag.Parse()
var i interface{} = flag.Arg(0)
var users []github.User
var v, ok = i.(string)
if ok == false || v == "" {
fmt.Println("Usage: orgstreak <orgName>")
os.Exit(1)
} else {
users = getOrgMembers(v)
}
orgContribs := make(map[time.Time]int)
userContributions := make(chan []Contribution, len(users))
for _, user := range users {
go func(u github.User) {
userContributions <- getContributions(u)
}(user)
}
for y := 0; y < len(users); y++ {
select {
case userContribution := <-userContributions:
for _, contrib := range userContribution {
orgContribs[contrib.Date] += contrib.Num
}
}
}
contribData := []interface{}{}
for k, v := range orgContribs {
contribData = append(contribData, []interface{}{k.Format(dateFormat), v})
}
j, err := json.Marshal(contribData)
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s\n", j)
}