Add Slack support

vendor/github.com/nlopes/slack/examples/pins/pins.go

@@ -0,0 +1,123 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+
+	"github.com/nlopes/slack"
+)
+
+/*
+   WARNING: This example is destructive in the sense that it create a channel called testpinning
+*/
+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
+		postToChannelID string
+	)
+
+	// Find the user to post as.
+	authTest, err := api.AuthTest()
+	if err != nil {
+		fmt.Printf("Error getting channels: %s\n", err)
+		return
+	}
+
+	channelName := "testpinning"
+
+	// Post as the authenticated user.
+	postAsUserName = authTest.User
+	postAsUserID = authTest.UserID
+
+	// Create a temporary channel
+	channel, err := api.CreateChannel(channelName)
+
+	if err != nil {
+		// If the channel exists, that means we just need to unarchive it
+		if err.Error() == "name_taken" {
+			err = nil
+			channels, err := api.GetChannels(false)
+			if err != nil {
+				fmt.Println("Could not retrieve channels")
+				return
+			}
+			for _, archivedChannel := range channels {
+				if archivedChannel.Name == channelName {
+					if archivedChannel.IsArchived {
+						err = api.UnarchiveChannel(archivedChannel.ID)
+						if err != nil {
+							fmt.Printf("Could not unarchive %s: %s\n", archivedChannel.ID, err)
+							return
+						}
+					}
+					channel = &archivedChannel
+					break
+				}
+			}
+		}
+		if err != nil {
+			fmt.Printf("Error setting test channel for pinning: %s\n", err)
+			return
+		}
+	}
+	postToChannelID = channel.ID
+
+	fmt.Printf("Posting as %s (%s) in channel %s\n", postAsUserName, postAsUserID, 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)
+
+	// Add message pin to channel
+	if err := api.AddPin(channelID, msgRef); err != nil {
+		fmt.Printf("Error adding pin: %s\n", err)
+		return
+	}
+
+	// List all of the users pins.
+	listPins, _, err := api.ListPins(channelID)
+	if err != nil {
+		fmt.Printf("Error listing pins: %s\n", err)
+		return
+	}
+	fmt.Printf("\n")
+	fmt.Printf("All pins by %s...\n", authTest.User)
+	for _, item := range listPins {
+		fmt.Printf(" > Item type: %s\n", item.Type)
+	}
+
+	// Remove the pin.
+	err = api.RemovePin(channelID, msgRef)
+	if err != nil {
+		fmt.Printf("Error remove pin: %s\n", err)
+		return
+	}
+
+	if err = api.ArchiveChannel(channelID); err != nil {
+		fmt.Printf("Error archiving channel: %s\n", err)
+		return
+	}
+
+}