sneak
8529ae9735
- Add pure Go SQLite driver (modernc.org/sqlite) to avoid CGO dependency - Implement database connection management with WAL mode - Add write mutex for serializing concurrent writes - Create schema for all tables matching DESIGN.md specifications - Implement repository pattern for all database entities: - Files, FileChunks, Chunks, Blobs, BlobChunks, ChunkFiles, Snapshots - Add transaction support with proper rollback handling - Add fatal error handling for database integrity issues - Add snapshot fields for tracking file sizes and compression ratios - Make index path configurable via VAULTIK_INDEX_PATH environment variable - Add comprehensive test coverage for all repositories - Add format check to Makefile to ensure code formatting
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package database
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import (
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"context"
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"database/sql"
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"fmt"
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)
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type ChunkFileRepository struct {
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db *DB
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}
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func NewChunkFileRepository(db *DB) *ChunkFileRepository {
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return &ChunkFileRepository{db: db}
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}
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func (r *ChunkFileRepository) Create(ctx context.Context, tx *sql.Tx, cf *ChunkFile) error {
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query := `
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INSERT INTO chunk_files (chunk_hash, file_path, file_offset, length)
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VALUES (?, ?, ?, ?)
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ON CONFLICT(chunk_hash, file_path) DO NOTHING
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`
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var err error
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if tx != nil {
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_, err = tx.ExecContext(ctx, query, cf.ChunkHash, cf.FilePath, cf.FileOffset, cf.Length)
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} else {
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_, err = r.db.ExecWithLock(ctx, query, cf.ChunkHash, cf.FilePath, cf.FileOffset, cf.Length)
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}
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if err != nil {
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return fmt.Errorf("inserting chunk_file: %w", err)
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}
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return nil
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}
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func (r *ChunkFileRepository) GetByChunkHash(ctx context.Context, chunkHash string) ([]*ChunkFile, error) {
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query := `
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SELECT chunk_hash, file_path, file_offset, length
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FROM chunk_files
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WHERE chunk_hash = ?
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`
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rows, err := r.db.conn.QueryContext(ctx, query, chunkHash)
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if err != nil {
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return nil, fmt.Errorf("querying chunk files: %w", err)
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}
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defer CloseRows(rows)
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var chunkFiles []*ChunkFile
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for rows.Next() {
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var cf ChunkFile
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err := rows.Scan(&cf.ChunkHash, &cf.FilePath, &cf.FileOffset, &cf.Length)
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if err != nil {
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return nil, fmt.Errorf("scanning chunk file: %w", err)
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}
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chunkFiles = append(chunkFiles, &cf)
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}
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return chunkFiles, rows.Err()
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}
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func (r *ChunkFileRepository) GetByFilePath(ctx context.Context, filePath string) ([]*ChunkFile, error) {
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query := `
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SELECT chunk_hash, file_path, file_offset, length
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FROM chunk_files
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WHERE file_path = ?
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`
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rows, err := r.db.conn.QueryContext(ctx, query, filePath)
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if err != nil {
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return nil, fmt.Errorf("querying chunk files: %w", err)
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}
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defer CloseRows(rows)
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var chunkFiles []*ChunkFile
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for rows.Next() {
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var cf ChunkFile
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err := rows.Scan(&cf.ChunkHash, &cf.FilePath, &cf.FileOffset, &cf.Length)
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if err != nil {
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return nil, fmt.Errorf("scanning chunk file: %w", err)
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}
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chunkFiles = append(chunkFiles, &cf)
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}
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return chunkFiles, rows.Err()
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}
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