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package db
import (
"database/sql"
"fmt"
"os"
"path/filepath"
"github.com/golang-migrate/migrate/v4"
"github.com/golang-migrate/migrate/v4/source/iofs"
"github.com/golang-migrate/migrate/v4/database/sqlite3"
_ "github.com/mattn/go-sqlite3"
"github.com/kujtimiihoxha/termai/internal/config"
"github.com/kujtimiihoxha/termai/internal/logging"
)
func Connect() (*sql.DB, error) {
dataDir := config.Get().Data.Directory
if dataDir == "" {
return nil, fmt.Errorf("data.dir is not set")
}
if err := os.MkdirAll(dataDir, 0o700); err != nil {
return nil, fmt.Errorf("failed to create data directory: %w", err)
}
dbPath := filepath.Join(dataDir, "termai.db")
// Open the SQLite database
db, err := sql.Open("sqlite3", dbPath)
if err != nil {
return nil, fmt.Errorf("failed to open database: %w", err)
}
// Verify connection
if err = db.Ping(); err != nil {
db.Close()
return nil, fmt.Errorf("failed to connect to database: %w", err)
}
// Set pragmas for better performance
pragmas := []string{
"PRAGMA foreign_keys = ON;",
"PRAGMA journal_mode = WAL;",
"PRAGMA page_size = 4096;",
"PRAGMA cache_size = -8000;",
"PRAGMA synchronous = NORMAL;",
}
for _, pragma := range pragmas {
if _, err = db.Exec(pragma); err != nil {
logging.Warn("Failed to set pragma", pragma, err)
} else {
logging.Warn("Set pragma", "pragma", pragma)
}
}
// Initialize schema from embedded file
d, err := iofs.New(FS, "migrations")
if err != nil {
logging.Error("Failed to open embedded migrations", "error", err)
db.Close()
return nil, fmt.Errorf("failed to open embedded migrations: %w", err)
}
driver, err := sqlite3.WithInstance(db, &sqlite3.Config{})
if err != nil {
logging.Error("Failed to create SQLite driver", "error", err)
db.Close()
return nil, fmt.Errorf("failed to create SQLite driver: %w", err)
}
m, err := migrate.NewWithInstance("iofs", d, "ql", driver)
if err != nil {
logging.Error("Failed to create migration instance", "error", err)
db.Close()
return nil, fmt.Errorf("failed to create migration instance: %w", err)
}
err = m.Up()
if err != nil && err != migrate.ErrNoChange {
logging.Error("Migration failed", "error", err)
db.Close()
return nil, fmt.Errorf("failed to apply schema: %w", err)
} else if err == migrate.ErrNoChange {
logging.Info("No schema changes to apply")
} else {
logging.Info("Schema migration applied successfully")
}
return db, nil
}
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