package main
import (
"flag"
"fmt"
"github.com/nlopes/slack"
)
func main() {
var (
apiToken string
debug bool
)
flag.StringVar(&apiToken, "token", "YOUR_TOKEN_HERE", "Your Slack API Token")
flag.BoolVar(&debug, "debug", false, "Show JSON output")
flag.Parse()
api := slack.New(apiToken)
if debug {
api.SetDebug(true)
}
var (
postAsUserName string
postAsUserID string
postToUserName string
postToUserID string
postToChannelID string
)
// Find the user to post as.
authTest, err := api.AuthTest()
if err != nil {
fmt.Printf("Error getting channels: %s\n", err)
return
}
// Post as the authenticated user.
postAsUserName = authTest.User
postAsUserID = authTest.UserID
// Posting to DM with self causes a conversation with slackbot.
postToUserName = authTest.User
postToUserID = authTest.UserID
// Find the channel.
_, _, chanID, err := api.OpenIMChannel(postToUserID)
if err != nil {
fmt.Printf("Error opening IM: %s\n", err)
return
}
postToChannelID = chanID
fmt.Printf("Posting as %s (%s) in DM with %s (%s), channel %s\n", postAsUserName, postAsUserID, postToUserName, postToUserID, postToChannelID)
// Post a message.
postParams := slack.PostMessageParameters{}
channelID, timestamp, err := api.PostMessage(postToChannelID, "Is this any good?", postParams)
if err != nil {
fmt.Printf("Error posting message: %s\n", err)
return
}
// Grab a reference to the message.
msgRef := slack.NewRefToMessage(channelID, timestamp)
// React with :+1:
if err := api.AddReaction("+1", msgRef); err != nil {
fmt.Printf("Error adding reaction: %s\n", err)
return
}
// React with :-1:
if err := api.AddReaction("cry", msgRef); err != nil {
fmt.Printf("Error adding reaction: %s\n", err)
return
}
// Get all reactions on the message.
msgReactions, err := api.GetReactions(msgRef, slack.NewGetReactionsParameters())
if err != nil {
fmt.Printf("Error getting reactions: %s\n", err)
return
}
fmt.Printf("\n")
fmt.Printf("%d reactions to message...\n", len(msgReactions))
for _, r := range msgReactions {
fmt.Printf(" %d users say %s\n", r.Count, r.Name)
}
// List all of the users reactions.
listReactions, _, err := api.ListReactions(slack.NewListReactionsParameters())
if err != nil {
fmt.Printf("Error listing reactions: %s\n", err)
return
}
fmt.Printf("\n")
fmt.Printf("All reactions by %s...\n", authTest.User)
for _, item := range listReactions {
fmt.Printf("%d on a %s...\n", len(item.Reactions), item.Type)
for _, r := range item.Reactions {
fmt.Printf(" %s (along with %d others)\n", r.Name, r.Count-1)
}
}
// Remove the :cry: reaction.
err = api.RemoveReaction("cry", msgRef)
if err != nil {
fmt.Printf("Error remove reaction: %s\n", err)
return
}
// Get all reactions on the message.
msgReactions, err = api.GetReactions(msgRef, slack.NewGetReactionsParameters())
if err != nil {
fmt.Printf("Error getting reactions: %s\n", err)
return
}
fmt.Printf("\n")
fmt.Printf("%d reactions to message after removing cry...\n", len(msgReactions))
for _, r := range msgReactions {
fmt.Printf(" %d users say %s\n", r.Count, r.Name)
}
}