8000 middleware: add LoggerConfig with Skipper func by kraem · Pull Request #9 · modfin/eal · GitHub
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middleware: add LoggerConfig with Skipper func #9

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middleware: add LoggerConfig with Skipper func #9

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23 changes: 22 additions & 1 deletion middleware.go
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,20 @@ const (
contextName = "mfContextLogFields"
)

type Skipper func(c echo.Context) bool

func DefaultSkipper(echo.Context) bool {
return false
}

type LoggerConfig struct {
Skipper Skipper
}

var DefaultLoggerConfig = LoggerConfig{
Skipper: DefaultSkipper,
}

// ContextLogFunc can be implemented to be able to add log fields from an echo context.
type ContextLogFunc func(c echo.Context, fields Fields)

Expand Down Expand Up @@ -63,13 +77,16 @@ var DefaultContextLogFunc = func(c echo.Context, fields Fields) {
// If an error is returned from the handlerFunc, the middleware will look at the complete error-chain to find the
// earliest echo.HTTPError, and return the status code and message from that to the frontend.
// If the error-chain don't contain an echo.HTTPError, a new echo.HTTPError will be created that wrap the returned error.
func CreateLoggerMiddleware(logFunctions ...ContextLogFunc) echo.MiddlewareFunc {
func CreateLoggerMiddleware(config LoggerConfig, logFunctions ...ContextLogFunc) echo.MiddlewareFunc {
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) (err error) {
// Init
if len(logFunctions) == 0 {
logFunctions = []ContextLogFunc{DefaultContextLogFunc}
}
if config.Skipper == nil {
config.Skipper = DefaultSkipper
}
logFields := Fields{}
for _, f := range logFunctions {
f(c, logFields)
Expand Down Expand Up @@ -112,6 +129,10 @@ func CreateLoggerMiddleware(logFunctions ...ContextLogFunc) echo.MiddlewareFunc
msg = "access"
}

if config.Skipper(c) {
return nil
}

if _, ok := logEntry.Data[errorMessage]; ok {
logEntry.Error(msg)
} else {
Expand Down
0