goext/exerr/dataSeverity.go

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package exerr
import (
"encoding/json"
"errors"
"fmt"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/bsoncodec"
"go.mongodb.org/mongo-driver/bson/bsonrw"
"go.mongodb.org/mongo-driver/bson/bsontype"
"reflect"
)
type ErrorSeverity struct{ Severity string }
var (
SevTrace = ErrorSeverity{"Trace"}
SevDebug = ErrorSeverity{"Debug"}
SevInfo = ErrorSeverity{"Info"}
SevWarn = ErrorSeverity{"Warn"}
SevErr = ErrorSeverity{"Err"}
SevFatal = ErrorSeverity{"Fatal"}
)
func (e *ErrorSeverity) UnmarshalJSON(bytes []byte) error {
return json.Unmarshal(bytes, &e.Severity)
}
func (e ErrorSeverity) MarshalJSON() ([]byte, error) {
return json.Marshal(e.Severity)
}
func (e *ErrorSeverity) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
if bt == bson.TypeNull {
// we can't set nil in UnmarshalBSONValue (so we use default(struct))
// Use mongoext.CreateGoExtBsonRegistry if you need to unmarsh pointer values
// https://stackoverflow.com/questions/75167597
// https://jira.mongodb.org/browse/GODRIVER-2252
*e = ErrorSeverity{}
return nil
}
if bt != bson.TypeString {
return errors.New(fmt.Sprintf("cannot unmarshal %v into String", bt))
}
var tt string
err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
if err != nil {
return err
}
*e = ErrorSeverity{tt}
return nil
}
func (e ErrorSeverity) MarshalBSONValue() (bsontype.Type, []byte, error) {
return bson.MarshalValue(e.Severity)
}
func (e ErrorSeverity) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
if val.Kind() == reflect.Ptr && val.IsNil() {
if !val.CanSet() {
return errors.New("ValueUnmarshalerDecodeValue")
}
val.Set(reflect.New(val.Type().Elem()))
}
tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
if err != nil {
return err
}
if val.Kind() == reflect.Ptr && len(src) == 0 {
val.Set(reflect.Zero(val.Type()))
return nil
}
err = e.UnmarshalBSONValue(tp, src)
if err != nil {
return err
}
if val.Kind() == reflect.Ptr {
val.Set(reflect.ValueOf(&e))
} else {
val.Set(reflect.ValueOf(e))
}
return nil
}
//goland:noinspection GoUnusedGlobalVariable
var AllSeverities = []ErrorSeverity{SevTrace, SevDebug, SevInfo, SevWarn, SevErr, SevFatal}