initial

mindforge.cronjob/internal/message/messages.go

@@ -0,0 +1,72 @@
+package message
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"time"
+)
+
+// Discord webhook payload
+type discordPayload struct {
+	Content string `json:"content"`
+}
+
+func SendDiscordNotification(filename string, message string) error {
+	webhookURL := os.Getenv("DISCORD_WEBHOOK_URL")
+	if webhookURL == "" {
+		log.Printf("DISCORD_WEBHOOK_URL environment variable not set")
+		return fmt.Errorf("DISCORD_WEBHOOK_URL environment variable not set")
+	}
+
+	todays_date := time.Now().Format("02/01/2006")
+	title := "# " + todays_date + " - Resumo semanal - *" + filename + "*"
+
+	content := title + "\n" + message
+	runes := []rune(content)
+	maxLen := 1800
+
+	for i := 0; i < len(runes); {
+		end := i + maxLen
+		if end >= len(runes) {
+			end = len(runes)
+		} else {
+			for end < len(runes) && runes[end] != '\n' {
+				end++
+			}
+			if end < len(runes) && runes[end] == '\n' {
+				end++
+			}
+		}
+		chunk := string(runes[i:end])
+		payload := discordPayload{Content: chunk}
+
+		jsonData, err := json.Marshal(payload)
+		if err != nil {
+			log.Printf("Failed to marshal Discord payload: %v", err)
+			return err
+		}
+
+		log.Printf("Sending Discord notification chunk (start: %d, end: %d)", i, end)
+		resp, err := http.Post(webhookURL, "application/json", bytes.NewBuffer(jsonData))
+		if err != nil {
+			log.Printf("Error posting to Discord webhook: %v", err)
+			return err
+		}
+
+		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+			log.Printf("Discord webhook returned status: %s", resp.Status)
+			resp.Body.Close()
+			return fmt.Errorf("Discord webhook returned status: %s", resp.Status)
+		}
+		resp.Body.Close()
+
+		i = end
+	}
+
+	log.Printf("Discord notification sent successfully: Title='%s'", title)
+	return nil
+}