парсер

tg_parser/internal/adapter/database/create_views_snapshot.go

@@ -0,0 +1,40 @@
+package database
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5/pgtype"
+
+	"github.com/TelegramExchange/tgex-parser/internal/domain"
+	"github.com/TelegramExchange/tgex-parser/pkg/transaction"
+)
+
+func (d *Database) CreateViewsSnapshot(ctx context.Context, snapshot domain.ViewsSnapshot) error {
+	query := `INSERT INTO post_views_history (id, views_count, fetched_at, post_id)
+VALUES ($1, $2, $3, $4);`
+
+	txOrPool := transaction.TryExtractTX(ctx)
+
+	dto := createViewsSnapshotDTO{
+		ID:         pgtype.UUID{Bytes: uuid.New(), Valid: true},
+		ViewsCount: pgtype.Int4{Int32: int32(snapshot.ViewsCount), Valid: true},
+		FetchedAt:  pgtype.Timestamptz{Time: snapshot.FetchedAt, Valid: true},
+		PostID:     pgtype.UUID{Bytes: snapshot.PostID, Valid: true},
+	}
+
+	_, err := txOrPool.Exec(ctx, query, dto.ID, dto.ViewsCount, dto.FetchedAt, dto.PostID)
+	if err != nil {
+		return fmt.Errorf("txOrPool.Exec: %w", err)
+	}
+
+	return nil
+}
+
+type createViewsSnapshotDTO struct {
+	ID         pgtype.UUID
+	ViewsCount pgtype.Int4
+	FetchedAt  pgtype.Timestamptz
+	PostID     pgtype.UUID
+}