gitea/services/webhook/discord.go

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2017-10-25 07:13:45 +02:00
// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package webhook
import (
"errors"
"fmt"
"strconv"
"strings"
webhook_model "code.gitea.io/gitea/models/webhook"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/util"
)
type (
// DiscordEmbedFooter for Embed Footer Structure.
DiscordEmbedFooter struct {
Text string `json:"text"`
}
// DiscordEmbedAuthor for Embed Author Structure
DiscordEmbedAuthor struct {
Name string `json:"name"`
URL string `json:"url"`
IconURL string `json:"icon_url"`
}
// DiscordEmbedField for Embed Field Structure
DiscordEmbedField struct {
Name string `json:"name"`
Value string `json:"value"`
}
// DiscordEmbed is for Embed Structure
DiscordEmbed struct {
Title string `json:"title"`
Description string `json:"description"`
URL string `json:"url"`
Color int `json:"color"`
Footer DiscordEmbedFooter `json:"footer"`
Author DiscordEmbedAuthor `json:"author"`
Fields []DiscordEmbedField `json:"fields"`
}
// DiscordPayload represents
DiscordPayload struct {
Wait bool `json:"wait"`
Content string `json:"content"`
Username string `json:"username"`
AvatarURL string `json:"avatar_url"`
TTS bool `json:"tts"`
Embeds []DiscordEmbed `json:"embeds"`
}
// DiscordMeta contains the discord metadata
DiscordMeta struct {
Username string `json:"username"`
IconURL string `json:"icon_url"`
}
)
// GetDiscordHook returns discord metadata
func GetDiscordHook(w *webhook_model.Webhook) *DiscordMeta {
s := &DiscordMeta{}
if err := json.Unmarshal([]byte(w.Meta), s); err != nil {
log.Error("webhook.GetDiscordHook(%d): %v", w.ID, err)
}
return s
}
func color(clr string) int {
if clr != "" {
clr = strings.TrimLeft(clr, "#")
if s, err := strconv.ParseInt(clr, 16, 32); err == nil {
return int(s)
}
}
return 0
}
var (
greenColor = color("1ac600")
greenColorLight = color("bfe5bf")
yellowColor = color("ffd930")
greyColor = color("4f545c")
purpleColor = color("7289da")
orangeColor = color("eb6420")
orangeColorLight = color("e68d60")
redColor = color("ff3232")
)
// JSONPayload Marshals the DiscordPayload to json
func (d *DiscordPayload) JSONPayload() ([]byte, error) {
data, err := json.MarshalIndent(d, "", " ")
if err != nil {
return []byte{}, err
}
return data, nil
}
var (
_ PayloadConvertor = &DiscordPayload{}
)
// Create implements PayloadConvertor Create method
func (d *DiscordPayload) Create(p *api.CreatePayload) (api.Payloader, error) {
// created tag/branch
refName := git.RefEndName(p.Ref)
title := fmt.Sprintf("[%s] %s %s created", p.Repo.FullName, p.RefType, refName)
return d.createPayload(p.Sender, title, "", p.Repo.HTMLURL+"/src/"+util.PathEscapeSegments(refName), greenColor), nil
}
// Delete implements PayloadConvertor Delete method
func (d *DiscordPayload) Delete(p *api.DeletePayload) (api.Payloader, error) {
// deleted tag/branch
refName := git.RefEndName(p.Ref)
title := fmt.Sprintf("[%s] %s %s deleted", p.Repo.FullName, p.RefType, refName)
return d.createPayload(p.Sender, title, "", p.Repo.HTMLURL+"/src/"+util.PathEscapeSegments(refName), redColor), nil
}
// Fork implements PayloadConvertor Fork method
func (d *DiscordPayload) Fork(p *api.ForkPayload) (api.Payloader, error) {
title := fmt.Sprintf("%s is forked to %s", p.Forkee.FullName, p.Repo.FullName)
return d.createPayload(p.Sender, title, "", p.Repo.HTMLURL, greenColor), nil
}
// Push implements PayloadConvertor Push method
func (d *DiscordPayload) Push(p *api.PushPayload) (api.Payloader, error) {
var (
branchName = git.RefEndName(p.Ref)
commitDesc string
)
var titleLink string
if len(p.Commits) == 1 {
commitDesc = "1 new commit"
titleLink = p.Commits[0].URL
} else {
commitDesc = fmt.Sprintf("%d new commits", len(p.Commits))
titleLink = p.CompareURL
}
if titleLink == "" {
titleLink = p.Repo.HTMLURL + "/src/" + util.PathEscapeSegments(branchName)
}
title := fmt.Sprintf("[%s:%s] %s", p.Repo.FullName, branchName, commitDesc)
var text string
// for each commit, generate attachment text
for i, commit := range p.Commits {
text += fmt.Sprintf("[%s](%s) %s - %s", commit.ID[:7], commit.URL,
strings.TrimRight(commit.Message, "\r\n"), commit.Author.Name)
// add linebreak to each commit but the last
if i < len(p.Commits)-1 {
text += "\n"
}
}
return d.createPayload(p.Sender, title, text, titleLink, greenColor), nil
}
// Issue implements PayloadConvertor Issue method
func (d *DiscordPayload) Issue(p *api.IssuePayload) (api.Payloader, error) {
title, _, text, color := getIssuesPayloadInfo(p, noneLinkFormatter, false)
return d.createPayload(p.Sender, title, text, p.Issue.HTMLURL, color), nil
}
// IssueComment implements PayloadConvertor IssueComment method
func (d *DiscordPayload) IssueComment(p *api.IssueCommentPayload) (api.Payloader, error) {
title, _, color := getIssueCommentPayloadInfo(p, noneLinkFormatter, false)
return d.createPayload(p.Sender, title, p.Comment.Body, p.Comment.HTMLURL, color), nil
}
// PullRequest implements PayloadConvertor PullRequest method
func (d *DiscordPayload) PullRequest(p *api.PullRequestPayload) (api.Payloader, error) {
title, _, text, color := getPullRequestPayloadInfo(p, noneLinkFormatter, false)
return d.createPayload(p.Sender, title, text, p.PullRequest.HTMLURL, color), nil
}
// Review implements PayloadConvertor Review method
func (d *DiscordPayload) Review(p *api.PullRequestPayload, event webhook_model.HookEventType) (api.Payloader, error) {
var text, title string
var color int
switch p.Action {
case api.HookIssueReviewed:
action, err := parseHookPullRequestEventType(event)
if err != nil {
return nil, err
}
title = fmt.Sprintf("[%s] Pull request review %s: #%d %s", p.Repository.FullName, action, p.Index, p.PullRequest.Title)
text = p.Review.Content
switch event {
case webhook_model.HookEventPullRequestReviewApproved:
color = greenColor
case webhook_model.HookEventPullRequestReviewRejected:
color = redColor
case webhook_model.HookEventPullRequestComment:
color = greyColor
default:
color = yellowColor
}
}
return d.createPayload(p.Sender, title, text, p.PullRequest.HTMLURL, color), nil
}
// Repository implements PayloadConvertor Repository method
func (d *DiscordPayload) Repository(p *api.RepositoryPayload) (api.Payloader, error) {
var title, url string
var color int
switch p.Action {
case api.HookRepoCreated:
title = fmt.Sprintf("[%s] Repository created", p.Repository.FullName)
url = p.Repository.HTMLURL
color = greenColor
case api.HookRepoDeleted:
title = fmt.Sprintf("[%s] Repository deleted", p.Repository.FullName)
color = redColor
}
return d.createPayload(p.Sender, title, "", url, color), nil
}
// Release implements PayloadConvertor Release method
func (d *DiscordPayload) Release(p *api.ReleasePayload) (api.Payloader, error) {
text, color := getReleasePayloadInfo(p, noneLinkFormatter, false)
return d.createPayload(p.Sender, text, p.Release.Note, p.Release.URL, color), nil
}
// GetDiscordPayload converts a discord webhook into a DiscordPayload
func GetDiscordPayload(p api.Payloader, event webhook_model.HookEventType, meta string) (api.Payloader, error) {
s := new(DiscordPayload)
discord := &DiscordMeta{}
if err := json.Unmarshal([]byte(meta), &discord); err != nil {
return s, errors.New("GetDiscordPayload meta json:" + err.Error())
}
s.Username = discord.Username
s.AvatarURL = discord.IconURL
return convertPayloader(s, p, event)
}
func parseHookPullRequestEventType(event webhook_model.HookEventType) (string, error) {
switch event {
case webhook_model.HookEventPullRequestReviewApproved:
return "approved", nil
case webhook_model.HookEventPullRequestReviewRejected:
return "rejected", nil
case webhook_model.HookEventPullRequestComment:
return "comment", nil
default:
return "", errors.New("unknown event type")
}
}
func (d *DiscordPayload) createPayload(s *api.User, title, text, url string, color int) *DiscordPayload {
return &DiscordPayload{
Username: d.Username,
AvatarURL: d.AvatarURL,
Embeds: []DiscordEmbed{
{
Title: title,
Description: text,
URL: url,
Color: color,
Author: DiscordEmbedAuthor{
Name: s.UserName,
URL: setting.AppURL + s.UserName,
IconURL: s.AvatarURL,
},
},
},
}
}