93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
package gorm
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import (
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"errors"
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"strings"
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)
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var (
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// ErrRecordNotFound returns a "record not found error". Occurs only when attempting to query the database with a struct; querying with a slice won't return this error
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ErrRecordNotFound = errors.New("record not found")
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// ErrInvalidSQL occurs when you attempt a query with invalid SQL
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ErrInvalidSQL = errors.New("invalid SQL")
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// ErrInvalidTransaction occurs when you are trying to `Commit` or `Rollback`
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ErrInvalidTransaction = errors.New("no valid transaction")
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// ErrCantStartTransaction can't start transaction when you are trying to start one with `Begin`
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ErrCantStartTransaction = errors.New("can't start transaction")
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// ErrUnaddressable unaddressable value
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ErrUnaddressable = errors.New("using unaddressable value")
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)
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// Errors contains all happened errors
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type Errors []error
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// IsRecordNotFoundError returns true if error contains a RecordNotFound error
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func IsRecordNotFoundError(err error) bool {
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if errs, ok := err.(Errors); ok {
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for _, err := range errs {
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if IsRecordNotFoundError(err) {
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return true
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}
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}
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}
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return isError(err, ErrRecordNotFound)
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}
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// GetErrors gets all errors that have occurred and returns a slice of errors (Error type)
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func (errs Errors) GetErrors() []error {
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return errs
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}
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// Add adds an error to a given slice of errors
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func (errs Errors) Add(newErrors ...error) Errors {
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for _, err := range newErrors {
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if err == nil {
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continue
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}
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if errors, ok := err.(Errors); ok {
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errs = errs.Add(errors...)
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} else {
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ok = true
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for _, e := range errs {
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if err == e {
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ok = false
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}
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}
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if ok {
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errs = append(errs, err)
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}
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}
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}
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return errs
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}
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// Error takes a slice of all errors that have occurred and returns it as a formatted string
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func (errs Errors) Error() string {
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var errors = []string{}
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for _, e := range errs {
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errors = append(errors, e.Error())
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}
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return strings.Join(errors, "; ")
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}
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func (errs Errors) Is(target error) bool {
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if target == nil {
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return errs == nil
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}
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for _, err := range errs {
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if errs, ok := err.(Errors); ok {
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if errs.Is(target) {
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return true
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}
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continue
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}
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if errors.Is(err, target) {
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return true
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}
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}
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return false
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}
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