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package slack
import (
"bytes"
"context"
"encoding/json"
"io/ioutil"
"net/http"
"net/url"
"strconv"
"github.com/slack-go/slack/slackutilsx"
)
const (
DEFAULT_MESSAGE_USERNAME = ""
DEFAULT_MESSAGE_REPLY_BROADCAST = false
DEFAULT_MESSAGE_ASUSER = false
DEFAULT_MESSAGE_PARSE = ""
DEFAULT_MESSAGE_THREAD_TIMESTAMP = ""
DEFAULT_MESSAGE_LINK_NAMES = 0
DEFAULT_MESSAGE_UNFURL_LINKS = false
DEFAULT_MESSAGE_UNFURL_MEDIA = true
DEFAULT_MESSAGE_ICON_URL = ""
DEFAULT_MESSAGE_ICON_EMOJI = ""
DEFAULT_MESSAGE_MARKDOWN = true
DEFAULT_MESSAGE_ESCAPE_TEXT = true
)
type chatResponseFull struct {
Channel string `json:"channel"`
Timestamp string `json:"ts"` //Regular message timestamp
MessageTimeStamp string `json:"message_ts"` //Ephemeral message timestamp
ScheduledMessageID string `json:"scheduled_message_id,omitempty"` //Scheduled message id
Text string `json:"text"`
SlackResponse
}
// getMessageTimestamp will inspect the `chatResponseFull` to ruturn a timestamp value
// in `chat.postMessage` its under `ts`
// in `chat.postEphemeral` its under `message_ts`
func (c chatResponseFull) getMessageTimestamp() string {
if len(c.Timestamp) > 0 {
return c.Timestamp
}
return c.MessageTimeStamp
}
// PostMessageParameters contains all the parameters necessary (including the optional ones) for a PostMessage() request
type PostMessageParameters struct {
Username string `json:"username"`
AsUser bool `json:"as_user"`
Parse string `json:"parse"`
ThreadTimestamp string `json:"thread_ts"`
ReplyBroadcast bool `json:"reply_broadcast"`
LinkNames int `json:"link_names"`
UnfurlLinks bool `json:"unfurl_links"`
UnfurlMedia bool `json:"unfurl_media"`
IconURL string `json:"icon_url"`
IconEmoji string `json:"icon_emoji"`
Markdown bool `json:"mrkdwn,omitempty"`
EscapeText bool `json:"escape_text"`
// chat.postEphemeral support
Channel string `json:"channel"`
User string `json:"user"`
// chat metadata support
MetaData SlackMetadata `json:"metadata"`
}
// NewPostMessageParameters provides an instance of PostMessageParameters with all the sane default values set
func NewPostMessageParameters() PostMessageParameters {
return PostMessageParameters{
Username: DEFAULT_MESSAGE_USERNAME,
User: DEFAULT_MESSAGE_USERNAME,
AsUser: DEFAULT_MESSAGE_ASUSER,
Parse: DEFAULT_MESSAGE_PARSE,
ThreadTimestamp: DEFAULT_MESSAGE_THREAD_TIMESTAMP,
LinkNames: DEFAULT_MESSAGE_LINK_NAMES,
UnfurlLinks: DEFAULT_MESSAGE_UNFURL_LINKS,
UnfurlMedia: DEFAULT_MESSAGE_UNFURL_MEDIA,
IconURL: DEFAULT_MESSAGE_ICON_URL,
IconEmoji: DEFAULT_MESSAGE_ICON_EMOJI,
Markdown: DEFAULT_MESSAGE_MARKDOWN,
EscapeText: DEFAULT_MESSAGE_ESCAPE_TEXT,
}
}
// DeleteMessage deletes a message in a channel
func (api *Client) DeleteMessage(channel, messageTimestamp string) (string, string, error) {
return api.DeleteMessageContext(context.Background(), channel, messageTimestamp)
}
// DeleteMessageContext deletes a message in a channel with a custom context
func (api *Client) DeleteMessageContext(ctx context.Context, channel, messageTimestamp string) (string, string, error) {
respChannel, respTimestamp, _, err := api.SendMessageContext(
ctx,
channel,
MsgOptionDelete(messageTimestamp),
)
return respChannel, respTimestamp, err
}
// ScheduleMessage sends a message to a channel.
// Message is escaped by default according to https://api.slack.com/docs/formatting
// Use http://davestevens.github.io/slack-message-builder/ to help crafting your message.
func (api *Client) ScheduleMessage(channelID, postAt string, options ...MsgOption) (string, string, error) {
return api.ScheduleMessageContext(context.Background(), channelID, postAt, options...)
}
// ScheduleMessageContext sends a message to a channel with a custom context
//
// For more details, see ScheduleMessage documentation.
func (api *Client) ScheduleMessageContext(ctx context.Context, channelID, postAt string, options ...MsgOption) (string, string, error) {
respChannel, respTimestamp, _, err := api.SendMessageContext(
ctx,
channelID,
MsgOptionSchedule(postAt),
MsgOptionCompose(options...),
)
return respChannel, respTimestamp, err
}
// PostMessage sends a message to a channel.
// Message is escaped by default according to https://api.slack.com/docs/formatting
// Use http://davestevens.github.io/slack-message-builder/ to help crafting your message.
func (api *Client) PostMessage(channelID string, options ...MsgOption) (string, string, error) {
return api.PostMessageContext(context.Background(), channelID, options...)
}
// PostMessageContext sends a message to a channel with a custom context
// For more details, see PostMessage documentation.
func (api *Client) PostMessageContext(ctx context.Context, channelID string, options ...MsgOption) (string, string, error) {
respChannel, respTimestamp, _, err := api.SendMessageContext(
ctx,
channelID,
MsgOptionPost(),
MsgOptionCompose(options...),
)
return respChannel, respTimestamp, err
}
// PostEphemeral sends an ephemeral message to a user in a channel.
// Message is escaped by default according to https://api.slack.com/docs/formatting
// Use http://davestevens.github.io/slack-message-builder/ to help crafting your message.
func (api *Client) PostEphemeral(channelID, userID string, options ...MsgOption) (string, error) {
return api.PostEphemeralContext(context.Background(), channelID, userID, options...)
}
// PostEphemeralContext sends an ephemeal message to a user in a channel with a custom context
// For more details, see PostEphemeral documentation
func (api *Client) PostEphemeralContext(ctx context.Context, channelID, userID string, options ...MsgOption) (timestamp string, err error) {
_, timestamp, _, err = api.SendMessageContext(
ctx,
channelID,
MsgOptionPostEphemeral(userID),
MsgOptionCompose(options...),
)
return timestamp, err
}
// UpdateMessage updates a message in a channel
func (api *Client) UpdateMessage(channelID, timestamp string, options ...MsgOption) (string, string, string, error) {
return api.UpdateMessageContext(context.Background(), channelID, timestamp, options...)
}
// UpdateMessageContext updates a message in a channel
func (api *Client) UpdateMessageContext(ctx context.Context, channelID, timestamp string, options ...MsgOption) (string, string, string, error) {
return api.SendMessageContext(
ctx,
channelID,
MsgOptionUpdate(timestamp),
MsgOptionCompose(options...),
)
}
// UnfurlMessage unfurls a message in a channel
func (api *Client) UnfurlMessage(channelID, timestamp string, unfurls map[string]Attachment, options ...MsgOption) (string, string, string, error) {
return api.UnfurlMessageContext(context.Background(), channelID, timestamp, unfurls, options...)
}
// UnfurlMessageContext unfurls a message in a channel with a custom context
func (api *Client) UnfurlMessageContext(ctx context.Context, channelID, timestamp string, unfurls map[string]Attachment, options ...MsgOption) (string, string, string, error) {
return api.SendMessageContext(ctx, channelID, MsgOptionUnfurl(timestamp, unfurls), MsgOptionCompose(options...))
}
// UnfurlMessageWithAuthURL sends an unfurl request containing an
// authentication URL.
// For more details see:
// https://api.slack.com/reference/messaging/link-unfurling#authenticated_unfurls
func (api *Client) UnfurlMessageWithAuthURL(channelID, timestamp string, userAuthURL string, options ...MsgOption) (string, string, string, error) {
return api.UnfurlMessageWithAuthURLContext(context.Background(), channelID, timestamp, userAuthURL, options...)
}
// UnfurlMessageWithAuthURLContext sends an unfurl request containing an
// authentication URL.
// For more details see:
// https://api.slack.com/reference/messaging/link-unfurling#authenticated_unfurls
func (api *Client) UnfurlMessageWithAuthURLContext(ctx context.Context, channelID, timestamp string, userAuthURL string, options ...MsgOption) (string, string, string, error) {
return api.SendMessageContext(ctx, channelID, MsgOptionUnfurlAuthURL(timestamp, userAuthURL), MsgOptionCompose(options...))
}
// SendMessage more flexible method for configuring messages.
func (api *Client) SendMessage(channel string, options ...MsgOption) (string, string, string, error) {
return api.SendMessageContext(context.Background(), channel, options...)
}
// SendMessageContext more flexible method for configuring messages with a custom context.
func (api *Client) SendMessageContext(ctx context.Context, channelID string, options ...MsgOption) (_channel string, _timestamp string, _text string, err error) {
var (
req *http.Request
parser func(*chatResponseFull) responseParser
response chatResponseFull
)
if req, parser, err = buildSender(api.endpoint, options...).BuildRequestContext(ctx, api.token, channelID); err != nil {
return "", "", "", err
}
if api.Debug() {
reqBody, err := ioutil.ReadAll(req.Body)
if err != nil {
return "", "", "", err
}
req.Body = ioutil.NopCloser(bytes.NewBuffer(reqBody))
api.Debugf("Sending request: %s", string(reqBody))
}
if err = doPost(ctx, api.httpclient, req, parser(&response), api); err != nil {
return "", "", "", err
}
return response.Channel, response.getMessageTimestamp(), response.Text, response.Err()
}
// UnsafeApplyMsgOptions utility function for debugging/testing chat requests.
// NOTE: USE AT YOUR OWN RISK: No issues relating to the use of this function
// will be supported by the library.
func UnsafeApplyMsgOptions(token, channel, apiurl string, options ...MsgOption) (string, url.Values, error) {
config, err := applyMsgOptions(token, channel, apiurl, options...)
return config.endpoint, config.values, err
}
func applyMsgOptions(token, channel, apiurl string, options ...MsgOption) (sendConfig, error) {
config := sendConfig{
apiurl: apiurl,
endpoint: apiurl + string(chatPostMessage),
values: url.Values{
"token": {token},
"channel": {channel},
},
}
for _, opt := range options {
if err := opt(&config); err != nil {
return config, err
}
}
return config, nil
}
func buildSender(apiurl string, options ...MsgOption) sendConfig {
return sendConfig{
apiurl: apiurl,
options: options,
}
}
type sendMode string
const (
chatUpdate sendMode = "chat.update"
chatPostMessage sendMode = "chat.postMessage"
chatScheduleMessage sendMode = "chat.scheduleMessage"
chatDelete sendMode = "chat.delete"
chatPostEphemeral sendMode = "chat.postEphemeral"
chatResponse sendMode = "chat.responseURL"
chatMeMessage sendMode = "chat.meMessage"
chatUnfurl sendMode = "chat.unfurl"
)
type sendConfig struct {
apiurl string
options []MsgOption
mode sendMode
endpoint string
values url.Values
attachments []Attachment
metadata SlackMetadata
blocks Blocks
responseType string
replaceOriginal bool
deleteOriginal bool
}
func (t sendConfig) BuildRequest(token, channelID string) (req *http.Request, _ func(*chatResponseFull) responseParser, err error) {
return t.BuildRequestContext(context.Background(), token, channelID)
}
func (t sendConfig) BuildRequestContext(ctx context.Context, token, channelID string) (req *http.Request, _ func(*chatResponseFull) responseParser, err error) {
if t, err = applyMsgOptions(token, channelID, t.apiurl, t.options...); err != nil {
return nil, nil, err
}
switch t.mode {
case chatResponse:
return responseURLSender{
endpoint: t.endpoint,
values: t.values,
attachments: t.attachments,
metadata: t.metadata,
blocks: t.blocks,
responseType: t.responseType,
replaceOriginal: t.replaceOriginal,
deleteOriginal: t.deleteOriginal,
}.BuildRequestContext(ctx)
default:
return formSender{endpoint: t.endpoint, values: t.values}.BuildRequestContext(ctx)
}
}
type formSender struct {
endpoint string
values url.Values
}
func (t formSender) BuildRequest() (*http.Request, func(*chatResponseFull) responseParser, error) {
return t.BuildRequestContext(context.Background())
}
func (t formSender) BuildRequestContext(ctx context.Context) (*http.Request, func(*chatResponseFull) responseParser, error) {
req, err := formReq(ctx, t.endpoint, t.values)
return req, func(resp *chatResponseFull) responseParser {
return newJSONParser(resp)
}, err
}
type responseURLSender struct {
endpoint string
values url.Values
attachments []Attachment
metadata SlackMetadata
blocks Blocks
responseType string
replaceOriginal bool
deleteOriginal bool
}
func (t responseURLSender) BuildRequest() (*http.Request, func(*chatResponseFull) responseParser, error) {
return t.BuildRequestContext(context.Background())
}
func (t responseURLSender) BuildRequestContext(ctx context.Context) (*http.Request, func(*chatResponseFull) responseParser, error) {
req, err := jsonReq(ctx, t.endpoint, Msg{
Text: t.values.Get("text"),
Timestamp: t.values.Get("ts"),
Attachments: t.attachments,
Blocks: t.blocks,
Metadata: t.metadata,
ResponseType: t.responseType,
ReplaceOriginal: t.replaceOriginal,
DeleteOriginal: t.deleteOriginal,
})
return req, func(resp *chatResponseFull) responseParser {
return newContentTypeParser(resp)
}, err
}
// MsgOption option provided when sending a message.
type MsgOption func(*sendConfig) error
// MsgOptionSchedule schedules a messages.
func MsgOptionSchedule(postAt string) MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatScheduleMessage)
config.values.Add("post_at", postAt)
return nil
}
}
// MsgOptionPost posts a messages, this is the default.
func MsgOptionPost() MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatPostMessage)
config.values.Del("ts")
return nil
}
}
// MsgOptionPostEphemeral - posts an ephemeral message to the provided user.
func MsgOptionPostEphemeral(userID string) MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatPostEphemeral)
MsgOptionUser(userID)(config)
config.values.Del("ts")
return nil
}
}
// MsgOptionMeMessage posts a "me message" type from the calling user
func MsgOptionMeMessage() MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatMeMessage)
return nil
}
}
// MsgOptionUpdate updates a message based on the timestamp.
func MsgOptionUpdate(timestamp string) MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatUpdate)
config.values.Add("ts", timestamp)
return nil
}
}
// MsgOptionDelete deletes a message based on the timestamp.
func MsgOptionDelete(timestamp string) MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatDelete)
config.values.Add(
10000
"ts", timestamp)
return nil
}
}
// MsgOptionUnfurl unfurls a message based on the timestamp.
func MsgOptionUnfurl(timestamp string, unfurls map[string]Attachment) MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatUnfurl)
config.values.Add("ts", timestamp)
unfurlsStr, err := json.Marshal(unfurls)
if err == nil {
config.values.Add("unfurls", string(unfurlsStr))
}
return err
}
}
// MsgOptionUnfurlAuthURL unfurls a message using an auth url based on the timestamp.
func MsgOptionUnfurlAuthURL(timestamp string, userAuthURL string) MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatUnfurl)
config.values.Add("ts", timestamp)
config.values.Add("user_auth_url", userAuthURL)
return nil
}
}
// MsgOptionUnfurlAuthRequired requests that the user installs the
// Slack app for unfurling.
func MsgOptionUnfurlAuthRequired(timestamp string) MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatUnfurl)
config.values.Add("ts", timestamp)
config.values.Add("user_auth_required", "true")
return nil
}
}
// MsgOptionUnfurlAuthMessage attaches a message inviting the user to
// authenticate.
func MsgOptionUnfurlAuthMessage(timestamp string, msg string) MsgOption {
return func(config *sendConfig) error {
config.endpoint = config.apiurl + string(chatUnfurl)
config.values.Add("ts", timestamp)
config.values.Add("user_auth_message", msg)
return nil
}
}
// MsgOptionResponseURL supplies a url to use as the endpoint.
func MsgOptionResponseURL(url string, responseType string) MsgOption {
return func(config *sendConfig) error {
config.mode = chatResponse
config.endpoint = url
config.responseType = responseType
config.values.Del("ts")
return nil
}
}
// MsgOptionReplaceOriginal replaces original message with response url
func MsgOptionReplaceOriginal(responseURL string) MsgOption {
return func(config *sendConfig) error {
config.mode = chatResponse
config.endpoint = responseURL
config.replaceOriginal = true
return nil
}
}
// MsgOptionDeleteOriginal deletes original message with response url
func MsgOptionDeleteOriginal(responseURL string) MsgOption {
return func(config *sendConfig) error {
config.mode = chatResponse
config.endpoint = responseURL
config.deleteOriginal = true
return nil
}
}
// MsgOptionAsUser whether or not to send the message as the user.
func MsgOptionAsUser(b bool) MsgOption {
return func(config *sendConfig) error {
if b != DEFAULT_MESSAGE_ASUSER {
config.values.Set("as_user", "true")
}
return nil
}
}
// MsgOptionUser set the user for the message.
func MsgOptionUser(userID string) MsgOption {
return func(config *sendConfig) error {
config.values.Set("user", userID)
return nil
}
}
// MsgOptionUsername set the username for the message.
func MsgOptionUsername(username string) MsgOption {
return func(config *sendConfig) error {
config.values.Set("username", username)
return nil
}
}
// MsgOptionText provide the text for the message, optionally escape the provided
// text.
func MsgOptionText(text string, escape bool) MsgOption {
return func(config *sendConfig) error {
if escape {
text = slackutilsx.EscapeMessage(text)
}
config.values.Add("text", text)
return nil
}
}
// MsgOptionAttachments provide attachments for the message.
func MsgOptionAttachments(attachments ...Attachment) MsgOption {
return func(config *sendConfig) error {
if attachments == nil {
return nil
}
config.attachments = attachments
// FIXME: We are setting the attachments on the message twice: above for
// the json version, and below for the html version. The marshalled bytes
// we put into config.values below don't work directly in the Msg version.
attachmentBytes, err := json.Marshal(attachments)
if err == nil {
config.values.Set("attachments", string(attachmentBytes))
}
return err
}
}
// MsgOptionBlocks sets blocks for the message
func MsgOptionBlocks(blocks ...Block) MsgOption {
return func(config *sendConfig) error {
if blocks == nil {
return nil
}
config.blocks.BlockSet = append(config.blocks.BlockSet, blocks...)
blocks, err := json.Marshal(blocks)
if err == nil {
config.values.Set("blocks", string(blocks))
}
return err
}
}
// MsgOptionEnableLinkUnfurl enables link unfurling
func MsgOptionEnableLinkUnfurl() MsgOption {
return func(config *sendConfig) error {
config.values.Set("unfurl_links", "true")
return nil
}
}
// MsgOptionDisableLinkUnfurl disables link unfurling
func MsgOptionDisableLinkUnfurl() MsgOption {
return func(config *sendConfig) error {
config.values.Set("unfurl_links", "false")
return nil
}
}
// MsgOptionDisableMediaUnfurl disables media unfurling.
func MsgOptionDisableMediaUnfurl() MsgOption {
return func(config *sendConfig) error {
config.values.Set("unfurl_media", "false")
return nil
}
}
// MsgOptionDisableMarkdown disables markdown.
func MsgOptionDisableMarkdown() MsgOption {
return func(config *sendConfig) error {
config.values.Set("mrkdwn", "false")
return nil
}
}
// MsgOptionTS sets the thread TS of the message to enable creating or replying to a thread
func MsgOptionTS(ts string) MsgOption {
return func(config *sendConfig) error {
config.values.Set("thread_ts", ts)
return nil
}
}
// MsgOptionBroadcast sets reply_broadcast to true
func MsgOptionBroadcast() MsgOption {
return func(config *sendConfig) error {
config.values.Set("reply_broadcast", "true")
return nil
}
}
// MsgOptionCompose combines multiple options into a single option.
func MsgOptionCompose(options ...MsgOption) MsgOption {
return func(config *sendConfig) error {
for _, opt := range options {
if err := opt(config); err != nil {
return err
}
}
return nil
}
}
// MsgOptionParse set parse option.
func MsgOptionParse(b bool) MsgOption {
return func(config *sendConfig) error {
var v string
if b {
v = "full"
} else {
v = "none"
}
config.values.Set("parse", v)
return nil
}
}
// MsgOptionIconURL sets an icon URL
func MsgOptionIconURL(iconURL string) MsgOption {
return func(config *sendConfig) error {
config.values.Set("icon_url", iconURL)
return nil
}
}
// MsgOptionIconEmoji sets an icon emoji
func MsgOptionIconEmoji(iconEmoji string) MsgOption {
return func(config *sendConfig) error {
config.values.Set("icon_emoji", iconEmoji)
return nil
}
}
// MsgOptionMetadata sets message metadata
func MsgOptionMetadata(metadata SlackMetadata) MsgOption {
return func(config *sendConfig) error {
config.metadata = metadata
meta, err := json.Marshal(metadata)
if err == nil {
config.values.Set("metadata", string(meta))
}
return err
}
}
// UnsafeMsgOptionEndpoint deliver the message to the specified endpoint.
// NOTE: USE AT YOUR OWN RISK: No issues relating to the use of this Option
// will be supported by the library, it
DE22
is subject to change without notice that
// may result in compilation errors or runtime behaviour changes.
func UnsafeMsgOptionEndpoint(endpoint string, update func(url.Values)) MsgOption {
return func(config *sendConfig) error {
config.endpoint = endpoint
update(config.values)
return nil
}
}
// MsgOptionPostMessageParameters maintain backwards compatibility.
func MsgOptionPostMessageParameters(params PostMessageParameters) MsgOption {
return func(config *sendConfig) error {
if params.Username != DEFAULT_MESSAGE_USERNAME {
config.values.Set("username", params.Username)
}
// chat.postEphemeral support
if params.User != DEFAULT_MESSAGE_USERNAME {
config.values.Set("user", params.User)
}
// never generates an error.
MsgOptionAsUser(params.AsUser)(config)
if params.Parse != DEFAULT_MESSAGE_PARSE {
config.values.Set("parse", params.Parse)
}
if params.LinkNames != DEFAULT_MESSAGE_LINK_NAMES {
config.values.Set("link_names", "1")
}
if params.UnfurlLinks != DEFAULT_MESSAGE_UNFURL_LINKS {
config.values.Set("unfurl_links", "true")
}
// I want to send a message with explicit `as_user` `true` and `unfurl_links` `false` in request.
// Because setting `as_user` to `true` will change the default value for `unfurl_links` to `true` on Slack API side.
if params.AsUser != DEFAULT_MESSAGE_ASUSER && params.UnfurlLinks == DEFAULT_MESSAGE_UNFURL_LINKS {
config.values.Set("unfurl_links", "false")
}
if params.UnfurlMedia != DEFAULT_MESSAGE_UNFURL_MEDIA {
config.values.Set("unfurl_media", "false")
}
if params.IconURL != DEFAULT_MESSAGE_ICON_URL {
config.values.Set("icon_url", params.IconURL)
}
if params.IconEmoji != DEFAULT_MESSAGE_ICON_EMOJI {
config.values.Set("icon_emoji", params.IconEmoji)
}
if params.Markdown != DEFAULT_MESSAGE_MARKDOWN {
config.values.Set("mrkdwn", "false")
}
if params.ThreadTimestamp != DEFAULT_MESSAGE_THREAD_TIMESTAMP {
config.values.Set("thread_ts", params.ThreadTimestamp)
}
if params.ReplyBroadcast != DEFAULT_MESSAGE_REPLY_BROADCAST {
config.values.Set("reply_broadcast", "true")
}
return nil
}
}
// PermalinkParameters are the parameters required to get a permalink to a
// message. Slack documentation can be found here:
// https://api.slack.com/methods/chat.getPermalink
type PermalinkParameters struct {
Channel string
Ts string
}
// GetPermalink returns the permalink for a message. It takes
// PermalinkParameters and returns a string containing the permalink. It
// returns an error if unable to retrieve the permalink.
func (api *Client) GetPermalink(params *PermalinkParameters) (string, error) {
return api.GetPermalinkContext(context.Background(), params)
}
// GetPermalinkContext returns the permalink for a message using a custom context.
func (api *Client) GetPermalinkContext(ctx context.Context, params *PermalinkParameters) (string, error) {
values := url.Values{
"channel": {params.Channel},
"message_ts": {params.Ts},
}
response := struct {
Channel string `json:"channel"`
Permalink string `json:"permalink"`
SlackResponse
}{}
err := api.getMethod(ctx, "chat.getPermalink", api.token, values, &response)
if err != nil {
return "", err
}
return response.Permalink, response.Err()
}
type GetScheduledMessagesParameters struct {
Channel string
Cursor string
Latest string
Limit int
Oldest string
}
// GetScheduledMessages returns the list of scheduled messages based on params
func (api *Client) GetScheduledMessages(params *GetScheduledMessagesParameters) (channels []ScheduledMessage, nextCursor string, err error) {
return api.GetScheduledMessagesContext(context.Background(), params)
}
// GetScheduledMessagesContext returns the list of scheduled messages in a Slack team with a custom context
func (api *Client) GetScheduledMessagesContext(ctx context.Context, params *GetScheduledMessagesParameters) (channels []ScheduledMessage, nextCursor string, err error) {
values := url.Values{
"token": {api.token},
}
if params.Channel != "" {
values.Add("channel", params.Channel)
}
if params.Cursor != "" {
values.Add("cursor", params.Cursor)
}
if params.Limit != 0 {
values.Add("limit", strconv.Itoa(params.Limit))
}
if params.Latest != "" {
values.Add("latest", params.Latest)
}
if params.Oldest != "" {
values.Add("oldest", params.Oldest)
}
response := struct {
Messages []ScheduledMessage `json:"scheduled_messages"`
ResponseMetaData responseMetaData `json:"response_metadata"`
SlackResponse
}{}
err = api.postMethod(ctx, "chat.scheduledMessages.list", values, &response)
if err != nil {
return nil, "", err
}
return response.Messages, response.ResponseMetaData.NextCursor, response.Err()
}
type DeleteScheduledMessageParameters struct {
Channel string
ScheduledMessageID string
AsUser bool
}
// DeleteScheduledMessage returns the list of scheduled messages based on params
func (api *Client) DeleteScheduledMessage(params *DeleteScheduledMessageParameters) (bool, error) {
return api.DeleteScheduledMessageContext(context.Background(), params)
}
// DeleteScheduledMessageContext returns the list of scheduled messages in a Slack team with a custom context
func (api *Client) DeleteScheduledMessageContext(ctx context.Context, params *DeleteScheduledMessageParameters) (bool, error) {
values := url.Values{
"token": {api.token},
"channel": {params.Channel},
"scheduled_message_id": {params.ScheduledMessageID},
"as_user": {strconv.FormatBool(params.AsUser)},
}
response := struct {
SlackResponse
}{}
err := api.postMethod(ctx, "chat.deleteScheduledMessage", values, &response)
if err != nil {
return false, err
}
return response.Ok, response.Err()
}