ADD message broadcast on changes

broadcast/broadcast.go

@@ -0,0 +1,62 @@
+package broadcast
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"time"
+
+	tb "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+	"github.com/maximotejeda/us_dop_bot/db"
+	message "github.com/maximotejeda/us_dop_bot/edb"
+	"github.com/maximotejeda/us_dop_bot/helpers"
+)
+
+func SendList(ctx context.Context, userDB *db.DB, log *slog.Logger, data []byte) []tb.MessageConfig {
+	user := db.NewUser(userDB, log)
+	// convert data to map
+	m := message.Message{}
+	listMsg := []tb.MessageConfig{}
+	err := json.Unmarshal(data, &m)
+	if err != nil {
+		log.Error("unmarshaling data", "error", err)
+	}
+	if m.Message == "change registered" {
+
+		userList, err := user.GetAll(m.Data.After.Name)
+		if err != nil {
+			log.Error("querying DB data", "error", err)
+			return nil
+		}
+		cancelBTN := map[string]string{}
+		cancelBTN["Eliminar ❌"] = "cancelar=true"
+		keyboard := helpers.CreateKeyboard(cancelBTN)
+		log.Info("printing change", "user list", userList, "name", m.Data.After.Name)
+		compraCHG := comparer(m.Data.Before.Compra, m.Data.After.Compra)
+		ventaCHG := comparer(m.Data.Before.Venta, m.Data.After.Venta)
+		text := fmt.Sprintf("Cambio Registrado:\n\nInstitucion:  %s\n\t  Compra: %.2f %s %.2f\n\t  Venta: %.2f %s %.2f\n\n\t  %s", m.Data.After.Name, m.Data.Before.Compra, compraCHG, m.Data.After.Compra, m.Data.Before.Venta, ventaCHG, m.Data.After.Venta, m.Data.After.Parsed.Format(time.DateTime))
+
+		for _, user := range userList {
+			if user.TguID != 0 {
+				msg := tb.NewMessage(int64(user.TguID), text)
+				msg.ReplyMarkup = keyboard
+				listMsg = append(listMsg, msg)
+			} else {
+				continue
+			}
+		}
+	}
+	return listMsg
+}
+
+func comparer(before, after float64) string {
+	if before > after {
+		return "⬇️"
+	} else if before < after {
+		return "⬆️"
+	} else {
+		return "🟰"
+	}
+
+}