forked from qor/transition
/
state_change_log.go
45 lines (36 loc) · 993 Bytes
/
state_change_log.go
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package transition
import (
"fmt"
"strings"
"github.com/jinzhu/gorm"
"github.com/qor/qor/audited"
)
type StateChangeLog struct {
gorm.Model
ReferTable string
ReferId string
From string
To string
Note string `sql:"size:1024"`
audited.AuditedModel
}
// GenerateReferenceKey generate reference key used for change log
func GenerateReferenceKey(model interface{}, db *gorm.DB) string {
var (
scope = db.NewScope(model)
primaryValues []string
)
for _, field := range scope.PrimaryFields() {
primaryValues = append(primaryValues, fmt.Sprint(field.Field.Interface()))
}
return strings.Join(primaryValues, "::")
}
// GetChangeLogs get state change logs
func GetStateChangeLogs(model interface{}, db *gorm.DB) []StateChangeLog {
var (
changelogs []StateChangeLog
scope = db.NewScope(model)
)
db.Where("refer_table = ? AND refer_id = ?", scope.TableName(), GenerateReferenceKey(model, db)).Find(&changelogs)
return changelogs
}