package errs
import "fmt"
// Helper functions for creating typed errors with key-value context
// InvalidArg creates an INVALID_ARGUMENT error with optional key-value context
func InvalidArg(msg string, kv ...interface{}) *Error {
return New(CodeInvalidArgument, msg, nil, kv...)
}
// NotFound creates a NOT_FOUND error for a specific resource with optional key-value context
func NotFound(resource string, kv ...interface{}) *Error {
msg := fmt.Sprintf("%s not found", resource)
return New(CodeNotFound, msg, nil, kv...)
}
// AlreadyExists creates an ALREADY_EXISTS error with optional key-value context
func AlreadyExists(resource string, kv ...interface{}) *Error {
msg := fmt.Sprintf("%s already exists", resource)
return New(CodeAlreadyExists, msg, nil, kv...)
}
// FailedPrecondition creates a FAILED_PRECONDITION error with optional key-value context
func FailedPrecondition(msg string, kv ...interface{}) *Error {
return New(CodeFailedPrecondition, msg, nil, kv...)
}
// Unsupported creates an UNSUPPORTED error with optional key-value context
func Unsupported(msg string, kv ...interface{}) *Error {
return New(CodeUnsupported, msg, nil, kv...)
}
// Internal creates an INTERNAL error, optionally wrapping another error, with key-value context
func Internal(err error, kv ...interface{}) *Error {
msg := "internal server error"
if err != nil {
msg = err.Error()
}
return New(CodeInternal, msg, err, kv...)
}
// Wrap creates an error with the specified code, wrapping another error, with key-value context
func Wrap(code Code, err error, kv ...interface{}) *Error {
msg := "error"
if err != nil {
msg = err.Error()
}
return New(code, msg, err, kv...)
}
// New creates a new typed error with the given code, message, cause, and key-value context
func New(code Code, message string, cause error, kv ...interface{}) *Error {
err := &Error{
code: code,
message: message,
cause: cause,
}
// Parse key-value pairs
if len(kv) > 0 {
err.kv = make(map[string]interface{})
for i := 0; i < len(kv); i += 2 {
if i+1 < len(kv) {
if key, ok := kv[i].(string); ok {
err.kv[key] = kv[i+1]
}
}
}
}
return err
}
