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db.go
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db.go
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package goapp
import (
"context"
"fmt"
"github.com/Family-Team-2/go-app-base/database"
)
func (app *App[_]) DBC(ctx context.Context) *database.DB {
return &database.DB{
DB: app.f.db.WithContext(ctx),
}
}
func (app *App[_]) DB() *database.DB {
return app.DBC(app)
}
func (app *App[_]) UseSQLite() {
app.SetDB(database.DB_SQLITE)
}
func (app *App[_]) UsePostgreSQL() {
app.SetDB(database.DB_POSTGRES)
}
func (app *App[_]) UseCockroachDB() {
app.SetDB(database.DB_CRDB)
}
func (app *App[_]) initDB() error {
app, done := app.Perf("initDB")
defer done()
if !app.f.dbKind.HasDB() {
app.f.db = nil
return nil
}
db, err := database.NewDB(app.Context, &app.f.logger, app.f.dbKind, app.f.cfg.Common.DatabaseURL, app.f.cfg.Common.TraceSQL)
if err != nil {
return fmt.Errorf("creating db instance: %w", err)
}
version, err := db.GetVersion()
if err != nil {
app.f.logger.Error().Err(err).Msg("db: failed to get version")
} else {
app.f.logger.Debug().Str("version", version).Msg("db: running version")
}
err = db.SetMaxConnections(10)
if err != nil {
return fmt.Errorf("setting db max connections: %w", err)
}
app.f.db = db
return nil
}
func (app *App[_]) shutdownDB() {
app, done := app.Perf("shutdownDB")
defer done()
if app.f.db != nil {
err := app.f.db.Shutdown()
if err != nil {
app.f.logger.Err(err).Msg("error while shutting down db")
}
}
}