AnthoLume/database/manager.go

70 lines
1.2 KiB
Go

package database
import (
"context"
"database/sql"
_ "embed"
"fmt"
"path"
sqlite "github.com/mattn/go-sqlite3"
log "github.com/sirupsen/logrus"
"reichard.io/bbank/config"
)
type DBManager struct {
DB *sql.DB
Ctx context.Context
Queries *Queries
}
//go:embed schema.sql
var ddl string
//go:embed update_temp_tables.sql
var tsql string
func NewMgr(c *config.Config) *DBManager {
// Create Manager
dbm := &DBManager{
Ctx: context.Background(),
}
// Create Database
if c.DBType == "sqlite" {
sql.Register("sqlite3_custom", &sqlite.SQLiteDriver{
ConnectHook: connectHookSQLite,
})
dbLocation := path.Join(c.ConfigPath, fmt.Sprintf("%s.db", c.DBName))
var err error
dbm.DB, err = sql.Open("sqlite3_custom", dbLocation)
if err != nil {
log.Fatal(err)
}
} else {
log.Fatal("Unsupported Database")
}
dbm.Queries = New(dbm.DB)
return dbm
}
func (dbm *DBManager) CacheTempTables() error {
if _, err := dbm.DB.ExecContext(dbm.Ctx, tsql); err != nil {
return err
}
return nil
}
func connectHookSQLite(conn *sqlite.SQLiteConn) error {
// Create Tables
log.Debug("Creating Schema")
if _, err := conn.Exec(ddl, nil); err != nil {
log.Warn("Create Schema Failure: ", err)
}
return nil
}