Discord Integration Pattern for Alerts and Control Loops

The provided Go code snippet demonstrates a basic implementation of sending an alert message to a Discord channel and handling reactions as approvals. Below is the continuation and explanation of this example:

Main Function

go
 
1func main() {
2    token := os.Getenv("DISCORD_BOT_TOKEN")
3    channelID := os.Getenv("DISCORD_CHANNEL_ID")
4    internalURL := os.Getenv("INTERNAL_API_URL")
5
6    if len(token) == 0 || len(channelID) == 0 || len(internalURL) == 0 {
7        log.Fatal("Missing required environment variables")
8    }
9
10    session, err := discordgo.New("Bot " + token)
11    if err != nil {
12        log.Fatalf("Failed to create Discord session: %v", err)
13    }
14    
15    // Set up intents
16    session.Identify.Intents = discordgo.IntentGuildMessages | discordgo.IntentMessageReactions
17    
18    // Open the connection to Discord
19    err = session.Open()
20    if err != nil {
21        log.Fatalf("Failed to open Discord session: %v", err)
22    }
23    
24    defer session.Close()
25
26    // Send an alert message
27    msg, err := sendAlert(session, channelID, "Critical Alert: System Down")
28
29[Read the full article at DEV Community](https://dev.to/rosgluk/discord-integration-pattern-for-alerts-and-control-loops-3f9h)
30
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