65 lines
1.1 KiB
Go
65 lines
1.1 KiB
Go
package database
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import (
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"context"
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"database/sql"
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_ "embed"
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"fmt"
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log "github.com/sirupsen/logrus"
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_ "modernc.org/sqlite"
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"path"
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"reichard.io/bbank/config"
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)
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type DBManager struct {
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DB *sql.DB
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Ctx context.Context
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Queries *Queries
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}
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//go:embed schema.sql
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var ddl string
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//go:embed update_temp_tables.sql
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var tsql string
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func NewMgr(c *config.Config) *DBManager {
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// Create Manager
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dbm := &DBManager{
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Ctx: context.Background(),
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}
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// Create Database
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if c.DBType == "sqlite" || c.DBType == "memory" {
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var dbLocation string = ":memory:"
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if c.DBType == "sqlite" {
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dbLocation = path.Join(c.ConfigPath, fmt.Sprintf("%s.db", c.DBName))
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}
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var err error
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dbm.DB, err = sql.Open("sqlite", dbLocation)
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if err != nil {
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log.Fatal(err)
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}
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// Single Open Connection
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dbm.DB.SetMaxOpenConns(1)
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if _, err := dbm.DB.Exec(ddl, nil); err != nil {
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log.Info("Exec Error:", err)
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}
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} else {
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log.Fatal("Unsupported Database")
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}
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dbm.Queries = New(dbm.DB)
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return dbm
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}
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func (dbm *DBManager) CacheTempTables() error {
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if _, err := dbm.DB.ExecContext(dbm.Ctx, tsql); err != nil {
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return err
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}
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return nil
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}
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