Updated Telegram notification

apps/backend/prisma/migrations/20260805120000_add_price_direction/migration.sql

@@ -0,0 +1,26 @@
+-- CreateEnum
+CREATE TYPE "PriceDirection" AS ENUM ('MAX', 'MIN');
+
+-- CreateTable
+CREATE TABLE "telegram_daily_price_notifications" (
+    "id" TEXT NOT NULL,
+    "date" TIMESTAMP(3) NOT NULL,
+    "quoteType" "QuoteType" NOT NULL,
+    "direction" "PriceDirection" NOT NULL,
+    "value" MONEY NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "telegram_daily_price_notifications_pkey" PRIMARY KEY ("id")
+);
+
+-- Migrate existing max records (if any)
+INSERT INTO "telegram_daily_price_notifications" ("id", "date", "quoteType", "direction", "value", "createdAt", "updatedAt")
+SELECT "id", "date", "quoteType", 'MAX'::"PriceDirection", "maxValue", "createdAt", "updatedAt"
+FROM "telegram_daily_max_notifications";
+
+-- CreateIndex
+CREATE UNIQUE INDEX "telegram_daily_price_notifications_date_quoteType_direction_key" ON "telegram_daily_price_notifications"("date", "quoteType", "direction");
+
+-- DropTable
+DROP TABLE "telegram_daily_max_notifications";

apps/backend/prisma/schema.prisma

@@ -79,16 +79,22 @@ model TelegramChat {
   @@map("telegram_chats")
 }
 
-model TelegramDailyMaxNotification {
-  id        String    @id @default(cuid())
+enum PriceDirection {
+  MAX
+  MIN
+}
+
+model TelegramDailyPriceNotification {
+  id        String         @id @default(cuid())
   date      DateTime
   quoteType QuoteType
-  maxValue  Decimal   @db.Money
-  createdAt DateTime  @default(now())
-  updatedAt DateTime  @updatedAt
+  direction PriceDirection
+  value     Decimal        @db.Money
+  createdAt DateTime       @default(now())
+  updatedAt DateTime       @updatedAt
 
-  @@unique([date, quoteType])
-  @@map("telegram_daily_max_notifications")
+  @@unique([date, quoteType, direction])
+  @@map("telegram_daily_price_notifications")
 }
 
 enum QuoteType {

apps/backend/src/modules/quotes/quote.job.ts

@@ -1,7 +1,7 @@
 import cron from "node-cron";
 import { eventBus } from "../../lib/event-bus";
 import { logger } from "../../lib/logger";
-import { checkAndNotifyBeloMax } from "../telegram/telegram.service";
+import { checkAndNotifyBelo } from "../telegram/telegram.service";
 import { processBeloQuote } from "./belo.service";
 import { processBlueQuote } from "./blue.service";
 import { processBnaQuote } from "./bna.service";
@@ -14,7 +14,7 @@ async function safeProcess(
     await fn();
     logger.info(`${name} quote processed successfully`);
     if (name === "BELO") {
-      await checkAndNotifyBeloMax();
+      await checkAndNotifyBelo();
     }
   } catch (error) {
     logger.error(error, `Error processing ${name} quote`);

apps/backend/src/modules/telegram/telegram.service.ts

@@ -1,6 +1,6 @@
 import crypto from "crypto";
-import { prisma } from "../../lib/prisma";
 import { logger } from "../../lib/logger";
+import { prisma } from "../../lib/prisma";
 import { getBot, getBotUsername } from "../../lib/telegram";
 
 function generateRandomCode(): string {
@@ -72,7 +72,93 @@ export async function getTelegramStatus(): Promise<{
   };
 }
 
-export async function checkAndNotifyBeloMax(): Promise<void> {
+function formatTime(date: Date): string {
+  const artOffset = -3;
+  const artMs = date.getTime() + artOffset * 3600000;
+  const artDate = new Date(artMs);
+  return artDate.toLocaleTimeString("es-AR", {
+    hour: "2-digit",
+    minute: "2-digit",
+    hour12: false,
+    timeZone: "UTC",
+  });
+}
+
+async function checkAndNotifyBound({
+  chatId,
+  direction,
+  currentValue,
+  quoteTime,
+  todayStart,
+}: {
+  chatId: string | bigint;
+  direction: "MAX" | "MIN";
+  currentValue: number;
+  quoteTime: Date;
+  todayStart: Date;
+}): Promise<void> {
+  const bot = getBot();
+  if (!bot) return;
+
+  const isMax = direction === "MAX";
+
+  const lastNotified = await prisma.telegramDailyPriceNotification.findUnique({
+    where: {
+      date_quoteType_direction: {
+        date: todayStart,
+        quoteType: "BELO",
+        direction,
+      },
+    },
+  });
+
+  const lastNotifiedValue = lastNotified
+    ? Number(lastNotified.value)
+    : isMax
+      ? 0
+      : Number.POSITIVE_INFINITY;
+
+  const shouldNotify = isMax
+    ? currentValue > lastNotifiedValue
+    : currentValue < lastNotifiedValue;
+
+  if (!shouldNotify) return;
+
+  const formattedPrice = formatPrice(currentValue);
+  const time = formatTime(quoteTime);
+  const icon = isMax ? "🟢📈" : "🔴📉";
+  const word = isMax ? "máximo" : "mínimo";
+  const message = `${icon} BELO alcanzó el ${word} del día a las ${time}, cotización actual es de $${formattedPrice}`;
+
+  try {
+    await bot.api.sendMessage(Number(chatId), message);
+
+    await prisma.telegramDailyPriceNotification.upsert({
+      where: {
+        date_quoteType_direction: {
+          date: todayStart,
+          quoteType: "BELO",
+          direction,
+        },
+      },
+      create: {
+        date: todayStart,
+        quoteType: "BELO",
+        direction,
+        value: currentValue,
+      },
+      update: {
+        value: currentValue,
+      },
+    });
+
+    logger.info(`Telegram BELO ${word} notification sent: $${formattedPrice}`);
+  } catch (error) {
+    logger.error(error, `Failed to send Telegram BELO ${word} notification`);
+  }
+}
+
+export async function checkAndNotifyBelo(): Promise<void> {
   const chat = await prisma.telegramChat.findFirst({
     where: { validatedAt: { not: null } },
     orderBy: { validatedAt: "desc" },
@@ -84,7 +170,7 @@ export async function checkAndNotifyBeloMax(): Promise<void> {
   if (!bot) return;
 
   const now = new Date();
-  const artHour = ((now.getUTCHours() - 3) % 24 + 24) % 24;
+  const artHour = (((now.getUTCHours() - 3) % 24) + 24) % 24;
   if (artHour < 8 || artHour >= 20) return;
 
   const currentQuote = await prisma.quote.findFirst({
@@ -106,46 +192,19 @@ export async function checkAndNotifyBeloMax(): Promise<void> {
     ),
   );
 
-  const lastNotified = await prisma.telegramDailyMaxNotification.findUnique({
-    where: {
-      date_quoteType: {
-        date: todayStart,
-        quoteType: "BELO",
-      },
-    },
+  await checkAndNotifyBound({
+    chatId: chat.chatId,
+    direction: "MAX",
+    currentValue: currentBuy,
+    quoteTime: currentQuote.timeStamp,
+    todayStart,
   });
 
-  const lastNotifiedValue = lastNotified ? Number(lastNotified.maxValue) : 0;
-
-  if (currentBuy <= lastNotifiedValue) return;
-
-  const formattedPrice = formatPrice(currentBuy);
-  const message = `BELO alcanzó el máximo del día, la cotización actual es de $${formattedPrice}`;
-
-  try {
-    await bot.api.sendMessage(Number(chat.chatId), message);
-
-    await prisma.telegramDailyMaxNotification.upsert({
-      where: {
-        date_quoteType: {
-          date: todayStart,
-          quoteType: "BELO",
-        },
-      },
-      create: {
-        date: todayStart,
-        quoteType: "BELO",
-        maxValue: currentBuy,
-      },
-      update: {
-        maxValue: currentBuy,
-      },
-    });
-
-    logger.info(
-      `Telegram BELO max notification sent: $${formattedPrice}`,
-    );
-  } catch (error) {
-    logger.error(error, "Failed to send Telegram BELO max notification");
-  }
+  await checkAndNotifyBound({
+    chatId: chat.chatId,
+    direction: "MIN",
+    currentValue: currentBuy,
+    quoteTime: currentQuote.timeStamp,
+    todayStart,
+  });
 }