56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package database
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import (
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"database/sql"
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"fmt"
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"log"
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_ "github.com/lib/pq"
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"git.gobha.me/xcaliber/chat-switchboard/config"
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)
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// DB is the application-wide database connection pool.
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var DB *sql.DB
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// Connect opens a connection pool to PostgreSQL using the
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// DATABASE_URL from config. It pings to verify connectivity.
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func Connect(cfg *config.Config) error {
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if cfg.DatabaseURL == "" {
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log.Println("⚠ DATABASE_URL not set — running without database")
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return nil
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}
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var err error
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DB, err = sql.Open("postgres", cfg.DatabaseURL)
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if err != nil {
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return fmt.Errorf("database open: %w", err)
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}
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// Connection pool tuning
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DB.SetMaxOpenConns(25)
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DB.SetMaxIdleConns(5)
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if err := DB.Ping(); err != nil {
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return fmt.Errorf("database ping: %w", err)
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}
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log.Println("✅ Database connected")
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return nil
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}
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// Close gracefully shuts down the connection pool.
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func Close() {
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if DB != nil {
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DB.Close()
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}
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}
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// IsConnected returns true if a database connection is available.
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func IsConnected() bool {
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if DB == nil {
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return false
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}
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return DB.Ping() == nil
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}
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