gin/logger.go

64 lines
1.2 KiB
Go

package gin
import (
"fmt"
"log"
"os"
"time"
)
func ErrorLogger() HandlerFunc {
return func(c *Context) {
c.Next()
if len(c.Errors) > 0 {
// -1 status code = do not change current one
c.JSON(-1, c.Errors)
}
}
}
var (
green = string([]byte{27, 91, 57, 55, 59, 52, 50, 109})
white = string([]byte{27, 91, 57, 48, 59, 52, 55, 109})
yellow = string([]byte{27, 91, 57, 55, 59, 52, 51, 109})
red = string([]byte{27, 91, 57, 55, 59, 52, 49, 109})
reset = string([]byte{27, 91, 48, 109})
)
func Logger() HandlerFunc {
logger := log.New(os.Stdout, "", 0)
return func(c *Context) {
// Start timer
start := time.Now()
// Process request
c.Next()
var color string
code := c.Writer.Status()
switch {
case code >= 200 && code <= 299:
color = green
case code >= 300 && code <= 399:
color = white
case code >= 400 && code <= 499:
color = yellow
default:
color = red
}
latency := time.Since(start)
logger.Printf("[GIN] %v |%s %3d %s| %12v | %3s %s\n",
time.Now().Format("2006/01/02 - 15:04:05"),
color, c.Writer.Status(), reset,
latency,
c.Req.Method, c.Req.URL.Path,
)
// Calculate resolution time
if len(c.Errors) > 0 {
fmt.Println(c.Errors.String())
}
}
}