chore: clean .gitignore cache

backend/internal/database/database.go

@@ -1,80 +0,0 @@
-// Package database handles database connections and migrations.
-package database
-
-import (
-	"database/sql"
-	"fmt"
-	"strings"
-
-	"github.com/Wikid82/charon/backend/internal/logger"
-	"gorm.io/driver/sqlite"
-	"gorm.io/gorm"
-)
-
-// Connect opens a SQLite database connection with optimized settings.
-// Uses WAL mode for better concurrent read/write performance.
-func Connect(dbPath string) (*gorm.DB, error) {
-	// Add SQLite performance pragmas if not already present
-	dsn := dbPath
-	if !strings.Contains(dsn, "?") {
-		dsn += "?"
-	} else {
-		dsn += "&"
-	}
-	// WAL mode: better concurrent access, faster writes
-	// busy_timeout: wait up to 5s instead of failing immediately on lock
-	// cache: shared cache for better memory usage
-	// synchronous=NORMAL: good balance of safety and speed
-	dsn += "_journal_mode=WAL&_busy_timeout=5000&_synchronous=NORMAL&_cache_size=-64000"
-
-	db, err := gorm.Open(sqlite.Open(dsn), &gorm.Config{
-		// Skip default transaction for single operations (faster)
-		SkipDefaultTransaction: true,
-		// Prepare statements for reuse
-		PrepareStmt: true,
-	})
-	if err != nil {
-		return nil, fmt.Errorf("open database: %w", err)
-	}
-
-	// Configure connection pool
-	sqlDB, err := db.DB()
-	if err != nil {
-		return nil, fmt.Errorf("get underlying db: %w", err)
-	}
-	configurePool(sqlDB)
-
-	// Verify WAL mode is enabled and log confirmation
-	var journalMode string
-	if err := db.Raw("PRAGMA journal_mode").Scan(&journalMode).Error; err != nil {
-		logger.Log().WithError(err).Warn("Failed to verify SQLite journal mode")
-	} else {
-		logger.Log().WithField("journal_mode", journalMode).Info("SQLite database connected with WAL mode enabled")
-	}
-
-	// Run quick integrity check on startup (non-blocking, warn-only)
-	var quickCheckResult string
-	if err := db.Raw("PRAGMA quick_check").Scan(&quickCheckResult).Error; err != nil {
-		logger.Log().WithError(err).Warn("Failed to run SQLite integrity check on startup")
-	} else if quickCheckResult == "ok" {
-		logger.Log().Info("SQLite database integrity check passed")
-	} else {
-		// Database has corruption - log error but don't fail startup
-		logger.Log().WithField("quick_check_result", quickCheckResult).
-			WithField("error_type", "database_corruption").
-			Error("SQLite database integrity check failed - database may be corrupted")
-	}
-
-	return db, nil
-}
-
-// configurePool sets connection pool settings for SQLite.
-// SQLite handles concurrency differently than server databases,
-// so we use conservative settings.
-func configurePool(sqlDB *sql.DB) {
-	// SQLite is file-based, so we limit connections
-	// but keep some idle for reuse
-	sqlDB.SetMaxOpenConns(1)    // SQLite only allows one writer at a time
-	sqlDB.SetMaxIdleConns(1)    // Keep one connection ready
-	sqlDB.SetConnMaxLifetime(0) // Don't close idle connections
-}