145 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			145 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models
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import (
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	"encoding/json"
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	"errors"
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	"fmt"
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	"strings"
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	"github.com/gogits/git-module"
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	api "github.com/gogits/go-gogs-client"
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)
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type SlackMeta struct {
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	Channel  string `json:"channel"`
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	Username string `json:"username"`
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	IconURL  string `json:"icon_url"`
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	Color    string `json:"color"`
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}
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type SlackPayload struct {
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	Channel     string            `json:"channel"`
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	Text        string            `json:"text"`
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	Username    string            `json:"username"`
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	IconURL     string            `json:"icon_url"`
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	UnfurlLinks int               `json:"unfurl_links"`
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	LinkNames   int               `json:"link_names"`
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	Attachments []SlackAttachment `json:"attachments"`
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}
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type SlackAttachment struct {
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	Fallback string `json:"fallback"`
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	Color    string `json:"color"`
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	Text     string `json:"text"`
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}
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func (p *SlackPayload) SetSecret(_ string) {}
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func (p *SlackPayload) JSONPayload() ([]byte, error) {
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	data, err := json.MarshalIndent(p, "", "  ")
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	if err != nil {
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		return []byte{}, err
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	}
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	return data, nil
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}
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// see: https://api.slack.com/docs/formatting
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func SlackTextFormatter(s string) string {
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	// take only first line of commit
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	first := strings.Split(s, "\n")[0]
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	// replace & < >
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	first = strings.Replace(first, "&", "&", -1)
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	first = strings.Replace(first, "<", "<", -1)
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	first = strings.Replace(first, ">", ">", -1)
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	return first
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}
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func SlackLinkFormatter(url string, text string) string {
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	return fmt.Sprintf("<%s|%s>", url, SlackTextFormatter(text))
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}
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func getSlackCreatePayload(p *api.CreatePayload, slack *SlackMeta) (*SlackPayload, error) {
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	// created tag/branch
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	refName := git.RefEndName(p.Ref)
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	repoLink := SlackLinkFormatter(p.Repo.URL, p.Repo.Name)
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	refLink := SlackLinkFormatter(p.Repo.URL+"/src/"+refName, refName)
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	text := fmt.Sprintf("[%s:%s] %s created by %s", repoLink, refLink, p.RefType, p.Sender.UserName)
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	return &SlackPayload{
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		Channel:  slack.Channel,
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		Text:     text,
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		Username: slack.Username,
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		IconURL:  slack.IconURL,
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	}, nil
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}
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func getSlackPushPayload(p *api.PushPayload, slack *SlackMeta) (*SlackPayload, error) {
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	// n new commits
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	var (
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		branchName   = git.RefEndName(p.Ref)
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		commitDesc   string
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		commitString string
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	)
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	if len(p.Commits) == 1 {
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		commitDesc = "1 new commit"
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	} else {
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		commitDesc = fmt.Sprintf("%d new commits", len(p.Commits))
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	}
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	if len(p.CompareUrl) > 0 {
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		commitString = SlackLinkFormatter(p.CompareUrl, commitDesc)
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	} else {
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		commitString = commitDesc
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	}
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	repoLink := SlackLinkFormatter(p.Repo.URL, p.Repo.Name)
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	branchLink := SlackLinkFormatter(p.Repo.URL+"/src/"+branchName, branchName)
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	text := fmt.Sprintf("[%s:%s] %s pushed by %s", repoLink, branchLink, commitString, p.Pusher.Name)
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	var attachmentText string
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	// for each commit, generate attachment text
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	for i, commit := range p.Commits {
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		attachmentText += fmt.Sprintf("%s: %s - %s", SlackLinkFormatter(commit.URL, commit.ID[:7]), SlackTextFormatter(commit.Message), SlackTextFormatter(commit.Author.Name))
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		// add linebreak to each commit but the last
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		if i < len(p.Commits)-1 {
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			attachmentText += "\n"
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		}
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	}
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	slackAttachments := []SlackAttachment{{
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		Color: slack.Color,
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		Text:  attachmentText,
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	}}
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	return &SlackPayload{
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		Channel:     slack.Channel,
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		Text:        text,
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		Username:    slack.Username,
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		IconURL:     slack.IconURL,
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		Attachments: slackAttachments,
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	}, nil
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}
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func GetSlackPayload(p api.Payloader, event HookEventType, meta string) (*SlackPayload, error) {
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	s := new(SlackPayload)
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	slack := &SlackMeta{}
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	if err := json.Unmarshal([]byte(meta), &slack); err != nil {
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		return s, errors.New("GetSlackPayload meta json:" + err.Error())
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	}
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	switch event {
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	case HOOK_EVENT_CREATE:
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		return getSlackCreatePayload(p.(*api.CreatePayload), slack)
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	case HOOK_EVENT_PUSH:
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		return getSlackPushPayload(p.(*api.PushPayload), slack)
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	}
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	return s, nil
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}
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