summaryrefslogtreecommitdiffstats
path: root/models/webhook_slack.go
blob: 5578c816a5441e5963db9e9de16cacd7afe4fbf5 (plain)
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
// Copyright 2014 The Gogs 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 models

import (
	"encoding/json"
	"errors"
	"fmt"
	"strings"

	"github.com/gogits/git-module"
	api "github.com/gogits/go-gogs-client"

	"github.com/gogits/gogs/modules/setting"
)

type SlackMeta struct {
	Channel  string `json:"channel"`
	Username string `json:"username"`
	IconURL  string `json:"icon_url"`
	Color    string `json:"color"`
}

type SlackPayload struct {
	Channel     string            `json:"channel"`
	Text        string            `json:"text"`
	Username    string            `json:"username"`
	IconURL     string            `json:"icon_url"`
	UnfurlLinks int               `json:"unfurl_links"`
	LinkNames   int               `json:"link_names"`
	Attachments []SlackAttachment `json:"attachments"`
}

type SlackAttachment struct {
	Fallback string `json:"fallback"`
	Color    string `json:"color"`
	Title    string `json:"title"`
	Text     string `json:"text"`
}

func (p *SlackPayload) SetSecret(_ string) {}

func (p *SlackPayload) JSONPayload() ([]byte, error) {
	data, err := json.MarshalIndent(p, "", "  ")
	if err != nil {
		return []byte{}, err
	}
	return data, nil
}

// see: https://api.slack.com/docs/formatting
func SlackTextFormatter(s string) string {
	// replace & < >
	s = strings.Replace(s, "&", "&amp;", -1)
	s = strings.Replace(s, "<", "&lt;", -1)
	s = strings.Replace(s, ">", "&gt;", -1)
	return s
}

func SlackShortTextFormatter(s string) string {
	s = strings.Split(s, "\n")[0]
	// replace & < >
	s = strings.Replace(s, "&", "&amp;", -1)
	s = strings.Replace(s, "<", "&lt;", -1)
	s = strings.Replace(s, ">", "&gt;", -1)
	return s
}

func SlackLinkFormatter(url string, text string) string {
	return fmt.Sprintf("<%s|%s>", url, SlackTextFormatter(text))
}

func getSlackCreatePayload(p *api.CreatePayload, slack *SlackMeta) (*SlackPayload, error) {
	// created tag/branch
	refName := git.RefEndName(p.Ref)

	repoLink := SlackLinkFormatter(p.Repo.URL, p.Repo.Name)
	refLink := SlackLinkFormatter(p.Repo.URL+"/src/"+refName, refName)
	text := fmt.Sprintf("[%s:%s] %s created by %s", repoLink, refLink, p.RefType, p.Sender.UserName)

	return &SlackPayload{
		Channel:  slack.Channel,
		Text:     text,
		Username: slack.Username,
		IconURL:  slack.IconURL,
	}, nil
}

func getSlackPushPayload(p *api.PushPayload, slack *SlackMeta) (*SlackPayload, error) {
	// n new commits
	var (
		branchName   = git.RefEndName(p.Ref)
		commitDesc   string
		commitString string
	)

	if len(p.Commits) == 1 {
		commitDesc = "1 new commit"
	} else {
		commitDesc = fmt.Sprintf("%d new commits", len(p.Commits))
	}
	if len(p.CompareUrl) > 0 {
		commitString = SlackLinkFormatter(p.CompareUrl, commitDesc)
	} else {
		commitString = commitDesc
	}

	repoLink := SlackLinkFormatter(p.Repo.URL, p.Repo.Name)
	branchLink := SlackLinkFormatter(p.Repo.URL+"/src/"+branchName, branchName)
	text := fmt.Sprintf("[%s:%s] %s pushed by %s", repoLink, branchLink, commitString, p.Pusher.Name)

	var attachmentText string
	// for each commit, generate attachment text
	for i, commit := range p.Commits {
		attachmentText += fmt.Sprintf("%s: %s - %s", SlackLinkFormatter(commit.URL, commit.ID[:7]), SlackShortTextFormatter(commit.Message), SlackTextFormatter(commit.Author.Name))
		// add linebreak to each commit but the last
		if i < len(p.Commits)-1 {
			attachmentText += "\n"
		}
	}

	return &SlackPayload{
		Channel:  slack.Channel,
		Text:     text,
		Username: slack.Username,
		IconURL:  slack.IconURL,
		Attachments: []SlackAttachment{{
			Color: slack.Color,
			Text:  attachmentText,
		}},
	}, nil
}

func getSlackPullRequestPayload(p *api.PullRequestPayload, slack *SlackMeta) (*SlackPayload, error) {
	senderLink := SlackLinkFormatter(setting.AppUrl+p.Sender.UserName, p.Sender.UserName)
	titleLink := SlackLinkFormatter(fmt.Sprintf("%s/%d", setting.AppUrl+p.Repository.FullName+"/pulls", p.Index),
		fmt.Sprintf("#%d %s", p.Index, p.PullRequest.Title))
	var text, title, attachmentText string
	switch p.Action {
	case api.HOOK_ISSUE_OPENED:
		text = fmt.Sprintf("[%s] Pull request submitted by %s", p.Repository.FullName, senderLink)
		title = titleLink
		attachmentText = SlackTextFormatter(p.PullRequest.Body)
	case api.HOOK_ISSUE_CLOSED:
		if p.PullRequest.HasMerged {
			text = fmt.Sprintf("[%s] Pull request merged: %s by %s", p.Repository.FullName, titleLink, senderLink)
		} else {
			text = fmt.Sprintf("[%s] Pull request closed: %s by %s", p.Repository.FullName, titleLink, senderLink)
		}
	case api.HOOK_ISSUE_REOPENED:
		text = fmt.Sprintf("[%s] Pull request re-opened: %s by %s", p.Repository.FullName, titleLink, senderLink)
	case api.HOOK_ISSUE_EDITED:
		text = fmt.Sprintf("[%s] Pull request edited: %s by %s", p.Repository.FullName, titleLink, senderLink)
		attachmentText = SlackTextFormatter(p.PullRequest.Body)
	case api.HOOK_ISSUE_ASSIGNED:
		text = fmt.Sprintf("[%s] Pull request assigned to %s: %s by %s", p.Repository.FullName,
			SlackLinkFormatter(setting.AppUrl+p.PullRequest.Assignee.UserName, p.PullRequest.Assignee.UserName),
			titleLink, senderLink)
	case api.HOOK_ISSUE_UNASSIGNED:
		text = fmt.Sprintf("[%s] Pull request unassigned: %s by %s", p.Repository.FullName, titleLink, senderLink)
	case api.HOOK_ISSUE_LABEL_UPDATED:
		text = fmt.Sprintf("[%s] Pull request labels updated: %s by %s", p.Repository.FullName, titleLink, senderLink)
	case api.HOOK_ISSUE_LABEL_CLEARED:
		text = fmt.Sprintf("[%s] Pull request labels cleared: %s by %s", p.Repository.FullName, titleLink, senderLink)
	case api.HOOK_ISSUE_SYNCHRONIZED:
		text = fmt.Sprintf("[%s] Pull request synchronized: %s by %s", p.Repository.FullName, titleLink, senderLink)
	}

	return &SlackPayload{
		Channel:  slack.Channel,
		Text:     text,
		Username: slack.Username,
		IconURL:  slack.IconURL,
		Attachments: []SlackAttachment{{
			Color: slack.Color,
			Title: title,
			Text:  attachmentText,
		}},
	}, nil
}

func GetSlackPayload(p api.Payloader, event HookEventType, meta string) (*SlackPayload, error) {
	s := new(SlackPayload)

	slack := &SlackMeta{}
	if err := json.Unmarshal([]byte(meta), &slack); err != nil {
		return s, errors.New("GetSlackPayload meta json:" + err.Error())
	}

	switch event {
	case HOOK_EVENT_CREATE:
		return getSlackCreatePayload(p.(*api.CreatePayload), slack)
	case HOOK_EVENT_PUSH:
		return getSlackPushPayload(p.(*api.PushPayload), slack)
	case HOOK_EVENT_PULL_REQUEST:
		return getSlackPullRequestPayload(p.(*api.PullRequestPayload), slack)
	}

	return s, nil
}