/
database.go
117 lines (94 loc) · 2.58 KB
/
database.go
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package errorType
import (
"fmt"
"github.com/pkg/errors"
)
var (
SingleResultErr = errors.New("single result is nil")
NotMatchedAnyErr = errors.New("no documents have been matched")
)
type basicQueryInfo struct {
collection string
filter interface{}
update interface{}
doc interface{}
}
type notFoundError struct {
basicQueryInfo
}
type duplicatedKeyError struct {
basicQueryInfo
error
}
type timeoutError struct {
basicQueryInfo
error
}
type internalError struct {
basicQueryInfo
error
}
type mongoClientError struct {
error
}
func (err *basicQueryInfo) setBasicError(col string, filter, update, doc interface{}) {
err.filter = filter
err.collection = col
err.update = update
err.doc = doc
}
func NotFoundError(col string, filter, update, doc interface{}) error {
err := ¬FoundError{}
err.setBasicError(col, filter, update, doc)
return err
}
func DuplicatedKeyError(col string, filter, update, doc interface{}, mongoErr error) error {
err := &duplicatedKeyError{}
err.setBasicError(col, filter, update, doc)
err.error = mongoErr
return err
}
func TimeoutError(col string, filter, update, doc interface{}, mongoErr error) error {
err := &timeoutError{}
err.setBasicError(col, filter, update, doc)
err.error = mongoErr
return err
}
func InternalError(col string, filter, update, doc interface{}, mongoErr error) error {
err := &internalError{}
err.setBasicError(col, filter, update, doc)
err.error = mongoErr
return err
}
func MongoClientError(mongoErr error) error {
return &mongoClientError{mongoErr}
}
func (e *notFoundError) Error() string {
return fmt.Sprintf("%s not found. ", e.collection) + getBasicInfoErrorMsg(e.basicQueryInfo)
}
func (e *duplicatedKeyError) Error() string {
return fmt.Sprintf("%s failed to write due to duplicated key, err: %s ", e.collection, e.error.Error()) + getBasicInfoErrorMsg(e.basicQueryInfo)
}
func (e *timeoutError) Error() string {
return fmt.Sprintf("%s timeout, err: %s ", e.collection, e.error.Error()) + getBasicInfoErrorMsg(e.basicQueryInfo)
}
func (e *internalError) Error() string {
return fmt.Sprintf("mongo internal err: %s ", e.error.Error()) + getBasicInfoErrorMsg(e.basicQueryInfo)
}
func (e *mongoClientError) Error() string {
return fmt.Sprintf("mongo client err: %s ", e.error.Error())
}
func getBasicInfoErrorMsg(e basicQueryInfo) string {
msg := "| {query info: "
if e.filter != nil {
msg += fmt.Sprintf(" filter: %+v", e.filter)
}
if e.update != nil {
msg += fmt.Sprintf(", update: %+v", e.update)
}
if e.doc != nil {
msg += fmt.Sprintf(", doc: %+v", e.doc)
}
msg += "}"
return msg
}