Initial commit

internal/moon/greet.go

@@ -0,0 +1,90 @@
+package moon
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/NicoNex/echotron/v3"
+)
+
+// Greet makes greet for user and saves greet event to greet db.
+func Greet(users *[]echotron.User, chat *echotron.Chat) {
+	var (
+		message   = GreetMessages[Random.Intn(len(GreetMessages))]
+		usernames string
+	)
+
+	for _, u := range *users {
+		switch {
+		case strings.TrimSpace(u.FirstName) != "" && strings.TrimSpace(u.LastName) != "":
+			usernames += fmt.Sprintf(
+				"[%s %s](tg://user?id=%d), ",
+				u.FirstName,
+				u.LastName,
+				u.ID,
+			)
+
+		case strings.TrimSpace(u.FirstName) != "":
+			usernames += fmt.Sprintf(
+				"[%s](tg://user?id=%d), ",
+				u.FirstName,
+				u.ID,
+			)
+
+		case strings.TrimSpace(u.LastName) != "":
+			usernames += fmt.Sprintf(
+				"[%s](tg://user?id=%d), ",
+				u.LastName,
+				u.ID,
+			)
+
+		case strings.TrimSpace(u.Username) != "":
+			usernames += fmt.Sprintf(
+				"[%s](tg://user?id=%d), ",
+				u.Username,
+				u.ID,
+			)
+
+		default:
+			usernames += fmt.Sprintf(
+				"[%d](tg://user?id=%d), ",
+				u.ID,
+				u.ID,
+			)
+		}
+	}
+
+	usernames = strings.TrimSpace(usernames)
+	usernames = strings.TrimRight(usernames, ",")
+
+	message += fmt.Sprintf(
+		" %s. Представьтес, пожалуйста, и расскажите, что вас сюда привело.",
+		usernames,
+	)
+
+	Tg.SendMessage(message, chat.ID, &echotron.MessageOptions{ParseMode: "MarkdownV2"})
+
+	timestamp := time.Now().Unix()
+
+	for _, u := range *users {
+		Log.Infof(
+			"Saving %s %s (username = %s, id = %d) from chat %s %s (%d) to GreetMembers DB",
+			u.FirstName,
+			u.LastName,
+			u.Username,
+			u.ID,
+			chat.Type,
+			chat.Title,
+			chat.ID,
+		)
+
+		GreetChatMembers.Set(
+			fmt.Sprintf("%d+%d", chat.ID, u.ID),
+			timestamp,
+			60*time.Minute,
+		)
+	}
+}
+
+/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */