Golang PostMessageParameters.IconURL方法代碼示例

func (s *Slack) handleChat(action string, params map[string]string) (interface{}, error) {
	var v interface{}
	var err error

	switch action {
	case "delete":
		ch, ts, err := s.s.DeleteMessage(params["channel"], params["ts"])
		if err != nil {
			return nil, err
		}
		v = map[string]string{
			"channel": ch,
			"ts":      ts,
		}
	case "postmessage":
		postParam := slack.PostMessageParameters{}
		postParam.Username = getStringParam(params, "username", slack.DEFAULT_MESSAGE_USERNAME)
		postParam.Parse = getStringParam(params, "parse", slack.DEFAULT_MESSAGE_PARSE)
		postParam.LinkNames = getIntParam(params, "link_names", slack.DEFAULT_MESSAGE_LINK_NAMES)

		postParam.UnfurlLinks = getBoolParam(params, "unfurl_links", slack.DEFAULT_MESSAGE_UNFURL_LINKS)
		postParam.UnfurlMedia = getBoolParam(params, "unfurl_media", slack.DEFAULT_MESSAGE_UNFURL_MEDIA)
		postParam.IconURL = getStringParam(params, "icon_url", slack.DEFAULT_MESSAGE_ICON_URL)
		postParam.IconEmoji = getStringParam(params, "icon_emoji", slack.DEFAULT_MESSAGE_ICON_EMOJI)

		if err = json.Unmarshal([]byte(getStringParam(params, "attachments", "[]")), &postParam.Attachments); err != nil {
			return nil, err
		}

		ch, ts, err := s.s.PostMessage(params["channel"], params["text"], postParam)
		if err != nil {
			return nil, err
		}

		v = map[string]string{
			"channel": ch,
			"ts":      ts,
		}
	case "update":
		ch, ts, text, err := s.s.UpdateMessage(params["channel"], params["ts"], params["text"])
		if err != nil {
			return nil, err
		}
		v = map[string]string{
			"channel": ch,
			"ts":      ts,
			"text":    text,
		}
	default:
		return nil, fmt.Errorf("invalid chat action %s", action)
	}

	return v, err
}

// Message will be passed to server with '-' prefix via various way
//	+ Direct message with the bots
//	+ Use slash command `/working <message>`
//	+ Use cli `working-on <message>`
//	+ Might use Chrome plugin
//	+ ...
// Token is secondary param to indicate the user
func addItem(c *gin.Context) {

	// Parse token and message
	var item Item

	text := c.PostForm("text")
	text = strings.TrimSpace(text)

	if text == "" {
		log.Fatalln("Message is nil")
		return
	}

	userID := c.PostForm("user_id")
	userName := c.PostForm("user_name")

	item.ID = bson.NewObjectId()
	item.CreatedAt = time.Now()
	item.Name = userName
	item.UserID = userID
	item.Text = text

	ctx, err := db.NewContext()
	if err != nil {
		panic(err)
	}

	defer ctx.Close()

	// Add Item to database
	err = ctx.C("items").Insert(item)
	if err != nil {
		log.Fatalln(err)
	}

	// Repost to the target channel
	channel := os.Getenv("WORKING_CHANNEL")
	botToken := os.Getenv("BOT_TOKEN")

	if botToken == "" {
		log.Fatal("No token provided")
		os.Exit(1)
	}

	s := slack.New(botToken)
	// <@U024BE7LH|bob>
	title := "*" + userName + "* is working on: " + text

	params := slack.PostMessageParameters{}
	params.IconURL = "http://i.imgur.com/fLcxkel.png"
	params.Username = "oshin"
	s.PostMessage(channel, title, params)
}

func (s *Slack) onMessage(message *Message) error {
	postMessage := slack.PostMessageParameters{
		Username:  message.Name,
		LinkNames: 1,
	}

	re := regexp.MustCompile("^:.*:$")
	if re.MatchString(message.Icon) {
		postMessage.IconEmoji = message.Icon
	} else {
		postMessage.IconURL = message.Icon
	}

	if message.Attachment != nil {
		attachment := slack.Attachment{
			Fallback:   message.Attachment.Fallback,
			Color:      message.Attachment.Color,
			Pretext:    message.Attachment.Pretext,
			AuthorName: message.Attachment.AuthorName,
			AuthorLink: message.Attachment.AuthorLink,
			AuthorIcon: message.Attachment.AuthorIcon,
			Title:      message.Attachment.Title,
			TitleLink:  message.Attachment.TitleLink,
			Text:       message.Attachment.Text,
			ImageURL:   message.Attachment.ImageURL,
			MarkdownIn: []string{"text", "pretext", "fields"},
		}
		if len(message.Attachment.Fields) > 0 {
			fields := make([]slack.AttachmentField, len(message.Attachment.Fields))
			for i := range fields {
				fields[i].Title = message.Attachment.Fields[i].Title
				fields[i].Value = message.Attachment.Fields[i].Value
				fields[i].Short = message.Attachment.Fields[i].Short
			}
			attachment.Fields = fields
		}
		postMessage.Attachments = []slack.Attachment{attachment}
	}

	_, _, err := s.Client.PostMessage(message.Channel, message.Message, postMessage)
	return err
}

func sendMessage(issue Issue, channel string) error {
	params := slack.PostMessageParameters{}
	text := fmt.Sprintf("*%s*\n\n *Assignee* %s *Priority* %s ", issue.Fields.Summary, issue.Fields.Assignee.DisplayName, issue.Fields.Priority.Name)
	attachment := slack.Attachment{
		Title:      issue.Key,
		TitleLink:  fmt.Sprintf("%s/browse/%s", jiraHostURL, issue.Key),
		Text:       text,
		Color:      getColor(issue.Fields.Status.Name),
		MarkdownIn: []string{"text", "pretext"},
	}
	params.Attachments = []slack.Attachment{attachment}
	params.IconURL = jiraIcon
	params.Username = "Jira"
	_, _, err := Slack.PostMessage(channel, "", params)
	if err != nil {
		fmt.Printf("%s\n", err)
		return err
	}
	return nil

}

// createMessage generates the message to post to Slack.
func createMessage(p Plugin, user *slack.User) slack.PostMessageParameters {
	var messageOptions MessageOptions
	var color string
	var messageTitle string

	// Determine if the build was a success
	if p.Build.Status == "success" {
		messageOptions = p.Config.Success
		color = "good"
		messageTitle = "Build succeeded"
	} else {
		messageOptions = p.Config.Failure
		color = "danger"
		messageTitle = "Build failed"
	}

	// setup the message
	messageParams := slack.PostMessageParameters{
		Username: messageOptions.Username,
	}

	if strings.HasPrefix(messageOptions.Icon, "http") {
		log.Info("Icon is a URL")
		messageParams.IconURL = messageOptions.Icon
	} else {
		log.Info("Icon is an emoji")
		messageParams.IconEmoji = messageOptions.Icon
	}

	// setup the payload
	payload := templatePayload{
		Build:     p.Build,
		Repo:      p.Repo,
		BuildLast: p.BuildLast,
		User:      user,
	}

	messageText, err := template.Render(messageOptions.Template, &payload)

	if err != nil {
		log.Error("Could not parse template")
	}

	// create the attachment
	attachment := slack.Attachment{
		Color:     color,
		Text:      messageText,
		Title:     messageTitle,
		TitleLink: p.Build.Link,
	}

	// Add image if any are provided
	imageCount := len(messageOptions.ImageAttachments)

	if imageCount > 0 {
		log.WithFields(log.Fields{
			"count": imageCount,
		}).Info("Choosing from images")
		rand.Seed(time.Now().UTC().UnixNano())
		attachment.ImageURL = messageOptions.ImageAttachments[rand.Intn(imageCount)]
	}

	messageParams.Attachments = []slack.Attachment{attachment}

	return messageParams
}

func main() {
	amqpConn, err := amqp.Dial(config.AmqpURI)
	fatalError(err, "couldn't connect to mq server")
	defer amqpConn.Close()

	amqpChan, err := amqpConn.Channel()
	fatalError(err, "couldn't create mq channel")
	defer amqpChan.Close()

	amqpQueue, err := amqpChan.QueueDeclare("", false, true, true, false, nil)
	fatalError(err, "couldn't create mq queue")

	err = amqpChan.QueueBind(amqpQueue.Name, "*.message", config.AmqpExchange, false, nil)
	fatalError(err, "couldn't bind mq queue")

	amqpMessages, err := amqpChan.Consume(amqpQueue.Name, "", true, true, false, false, nil)
	fatalError(err, "couldn't consume mq messages")

	api := slack.New(config.SlackToken)
	rtm := api.NewRTM()
	go rtm.ManageConnection()

	for {
		select {
		case ev := <-rtm.IncomingEvents:
			if msg, ok := ev.Data.(*slack.MessageEvent); ok {
				if msg.SubType == "bot_message" || msg.Channel != config.SlackChannelID {
					break
				}

				user, err := rtm.GetUserInfo(msg.User)
				if err != nil {
					break
				}

				bridgeMsg := BridgeMessage{
					Sender:  user.Name,
					Content: flattenSlackMessage(rtm, msg.Text),
				}

				jsonData, err := json.Marshal(bridgeMsg)
				fatalError(err, "couldn't serialize bridge message")

				amqpMsg := amqp.Publishing{
					Body:         jsonData,
					DeliveryMode: amqp.Persistent,
				}

				fmt.Printf("[<] %s: %s\n", bridgeMsg.Sender, bridgeMsg.Content)

				err = amqpChan.Publish(config.AmqpExchange, "slack.message", false, false, amqpMsg)
				fatalError(err, "couldn't publish mq message")
			}
		case ev := <-amqpMessages:
			if ev.RoutingKey == "slack.message" {
				break
			}

			bridgeMsg := map[string]interface{}{}
			err = json.Unmarshal(ev.Body, &bridgeMsg)
			fatalError(err, "couldn't deserialize bridge message")

			slackMsg := slack.PostMessageParameters{
				Username: bridgeMsg["Sender"].(string),
				Text:     bridgeMsg["Content"].(string),
			}

			if senderAvatar, ok := bridgeMsg["SenderAvatar"]; ok {
				slackMsg.IconURL = senderAvatar.(string)
			}

			for _, interop := range config.BridgeInterop {
				isInteropMessage := true

				for key, value := range interop.MessageMatch {
					if !reflect.DeepEqual(bridgeMsg[key], value) {
						isInteropMessage = false
						break
					}
				}

				if isInteropMessage {
					regex := regexp.MustCompile(interop.MessageRegex)
					match := regex.FindAllStringSubmatch(slackMsg.Text, -1)
					if len(match) == 1 && len(match[0]) == 3 {
						slackMsg.Username = match[0][1]
						slackMsg.Text = match[0][2]
						slackMsg.IconURL = interop.AvatarURLs[slackMsg.Username]
					}
				}
			}

			fmt.Printf("[>] %s: %s\n", slackMsg.Username, slackMsg.Text)

			_, _, err = rtm.PostMessage(config.SlackChannelID, slackMsg.Text, slackMsg)
			fatalError(err, "couldn't post slack message")
		}
	}
}

// Post summary to Slack channel
func postDigest() {

	channel := os.Getenv("DIGEST_CHANNEL")
	botToken := os.Getenv("BOT_TOKEN")

	if botToken == "" {
		log.Fatal("No token provided")
		os.Exit(1)
	}

	s := slack.New(botToken)
	users, err := s.GetUsers()

	if err != nil {
		log.Fatal("Cannot get users")
		os.Exit(1)
	}

	ctx, err := db.NewContext()
	if err != nil {
		panic(err)
	}

	defer ctx.Close()

	log.Info("Preparing data")
	// If count > 0, it means there is data to show
	count := 0
	title := " >> Yesterday I did: "
	params := slack.PostMessageParameters{}
	fields := []slack.AttachmentField{}

	yesterday := arrow.Yesterday().UTC()
	toDate := time.Date(yesterday.Year(), yesterday.Month(), yesterday.Day(), 0, 0, 0, 0, time.UTC)

	// Prepare attachment of done items
	for _, user := range users {

		if user.IsBot || user.Deleted {
			continue
		}

		// log.Info("Process user: " + user.Name + " - " + user.Id)

		// Query done items from Database
		var values string
		var items []Item

		err = ctx.C("items").Find(bson.M{"$and": []bson.M{
			bson.M{"user_id": user.Id},
			bson.M{"created_at": bson.M{"$gt": toDate}},
		},
		}).All(&items)

		if err != nil {
			log.Fatal("Cannot query done items.")
			os.Exit(1)
		}

		for _, item := range items {
			values = values + " + " + item.Text + "\n\t"
		}

		// <@U024BE7LH|bob>
		if len(items) > 0 {

			count = count + 1
			field := slack.AttachmentField{
				Title: "@" + user.Name,
				Value: values,
			}

			fields = append(fields, field)
		}
	}

	params.Attachments = []slack.Attachment{
		slack.Attachment{
			Color:  "#7CD197",
			Fields: fields,
		},
	}

	params.IconURL = "http://i.imgur.com/fLcxkel.png"
	params.Username = "oshin"

	if count > 0 {
		s.PostMessage(channel, title, params)
	}
}

func (s *Client) sendMessage(issue *redmine.Issue, channel string) (err error) {
	params := slackapi.PostMessageParameters{}
	params.IconURL = botLogo
	params.Username = "Redmine Bot"

	fields := make([]slackapi.AttachmentField, 6)
	var idx int = 3

	fields[0] = slackapi.AttachmentField{
		Title: "Project",
		Value: issue.Project.Name,
		Short: true,
	}
	fields[1] = slackapi.AttachmentField{
		Title: "Status",
		Value: issue.Status.Name,
		Short: true,
	}
	fields[2] = slackapi.AttachmentField{
		Title: "Author",
		Value: issue.Author.Name,
		Short: true,
	}
	if issue.AssignedTo != nil {
		fields[idx] = slackapi.AttachmentField{
			Title: "Assigned To",
			Value: issue.AssignedTo.Name,
			Short: true,
		}
		idx += 1
	}
	if issue.Category != nil {
		fields[idx] = slackapi.AttachmentField{
			Title: "Category",
			Value: issue.Category.Name,
			Short: true,
		}
		idx += 1
	}
	if issue.Version != nil {
		fields[idx] = slackapi.AttachmentField{
			Title: "Version",
			Value: issue.Version.Name,
			Short: true,
		}
	}

	var title string
	if issue.Tracker != nil {
		title = fmt.Sprintf("%s #%d: %s", issue.Tracker.Name, issue.Id, issue.Subject)
	} else {
		title = fmt.Sprintf("#%d: %s", issue.Id, issue.Subject)
	}

	attachment := slackapi.Attachment{
		Title:     title,
		TitleLink: s.redmine.GetIssueUrl(issue),
		Fields:    fields,
	}

	if s.redmine.IssueIsClosed(issue) {
		attachment.Color = "good"
	} else if s.redmine.IssueInHighPriority(issue) {
		attachment.Color = "danger"
	}

	params.Attachments = []slackapi.Attachment{attachment}

	_, _, err = s.slack.PostMessage(channel, "", params)

	return err
}