52 lines
933 B
Go
52 lines
933 B
Go
package db
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import (
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"time"
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serverdb "github.com/evcc-io/evcc/server/db"
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"github.com/evcc-io/evcc/util"
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"gorm.io/gorm"
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)
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// DB is a SQL database storage service
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type DB struct {
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log *util.Logger
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db *gorm.DB
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name string
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}
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type Database interface {
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Txn(startEnergy float64) *Transaction
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Persist(txn interface{})
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}
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// New creates a database storage driver
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func New(name string) (*DB, error) {
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db := &DB{
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log: util.NewLogger("db"),
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db: serverdb.Instance,
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name: name,
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}
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return db, nil
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}
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// Txn creates a charging transaction
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func (s *DB) Txn(meter float64) *Transaction {
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t := Transaction{
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Loadpoint: s.name,
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Created: time.Now(),
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MeterStart: meter,
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}
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return &t
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}
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// Persist creates or updates a transaction in the database
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func (s *DB) Persist(txn interface{}) {
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s.log.TRACE.Printf("store: %+v", txn)
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if err := s.db.Save(txn).Error; err != nil {
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s.log.ERROR.Printf("store: %v", err)
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}
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}
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