50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
// File: backend/internal/database/modpack_repository.go
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package database
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import (
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"context"
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"gitea.mrixs.me/minecraft-platform/backend/internal/models"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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type ModpackRepository struct {
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DB *pgxpool.Pool // <--- ИЗМЕНЕНИЕ
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}
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// CreateModpackTx создает модпак и все его файлы в одной транзакции.
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func (r *ModpackRepository) CreateModpackTx(ctx context.Context, modpack *models.Modpack, files []models.ModpackFile) error {
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tx, err := r.DB.Begin(ctx)
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if err != nil {
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return err
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}
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defer tx.Rollback(ctx)
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var modpackID int
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err = tx.QueryRow(ctx,
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"INSERT INTO modpacks (name, display_name, minecraft_version) VALUES ($1, $2, $3) RETURNING id",
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modpack.Name, modpack.DisplayName, modpack.MinecraftVersion,
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).Scan(&modpackID)
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if err != nil {
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return err
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}
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rows := make([][]interface{}, len(files))
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for i, f := range files {
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rows[i] = []interface{}{modpackID, f.RelativePath, f.FileHash, f.FileSize, f.DownloadURL}
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}
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_, err = tx.CopyFrom(
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ctx,
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pgx.Identifier{"modpack_files"},
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[]string{"modpack_id", "relative_path", "file_hash", "file_size", "download_url"},
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pgx.CopyFromRows(rows),
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)
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if err != nil {
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return err
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}
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return tx.Commit(ctx)
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}
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