парсер

tg_parser/internal/usecase/fetch_views.go

@@ -0,0 +1,46 @@
+package usecase
+
+import (
+	"context"
+	"time"
+
+	"github.com/rs/zerolog/log"
+
+	"github.com/TelegramExchange/tgex-parser/internal/domain"
+)
+
+func (uc *UseCase) FetchViews(ctx context.Context) error {
+	channels, err := uc.database.GetChannelsWithTrackedPosts(ctx)
+	if err != nil {
+		return err
+	}
+
+	for _, channel := range channels {
+		posts, err := uc.database.GetTrackedPosts(ctx, channel)
+		if err != nil {
+			return err
+		}
+
+		err = uc.telegram.UpdatePostsViews(ctx, channel, posts)
+		if err != nil {
+			return err
+		}
+
+		for _, p := range posts {
+			v := domain.ViewsSnapshot{
+				ViewsCount: p.Views,
+				FetchedAt:  time.Now().UTC(),
+				PostID:     p.ID,
+			}
+
+			err = uc.database.CreateViewsSnapshot(ctx, v)
+			if err != nil {
+				return err
+			}
+
+			log.Info().Msgf("New ViewsSnapshot: %s - Post ID: %d, Views: %d", p.Link, p.MessageID, p.Views)
+		}
+	}
+
+	return nil
+}