dtm/common/utils.go
2021-09-04 08:01:06 +08:00

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package common
import (
"bytes"
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"time"
"github.com/gin-gonic/gin"
"github.com/go-resty/resty/v2"
"github.com/yedf/dtm/dtmcli"
)
// GetGinApp init and return gin
func GetGinApp() *gin.Engine {
gin.SetMode(gin.ReleaseMode)
app := gin.Default()
app.Use(func(c *gin.Context) {
body := ""
if c.Request.Body != nil {
rb, err := c.GetRawData()
dtmcli.E2P(err)
if len(rb) > 0 {
body = string(rb)
c.Request.Body = ioutil.NopCloser(bytes.NewBuffer(rb))
}
}
began := time.Now()
dtmcli.Logf("begin %s %s query: %s body: %s", c.Request.Method, c.FullPath(), c.Request.URL.RawQuery, body)
c.Next()
dtmcli.Logf("used %d ms %s %s query: %s body: %s", time.Since(began).Milliseconds(), c.Request.Method, c.FullPath(), c.Request.URL.RawQuery, body)
})
app.Any("/api/ping", func(c *gin.Context) { c.JSON(200, dtmcli.M{"msg": "pong"}) })
return app
}
// WrapHandler name is clear
func WrapHandler(fn func(*gin.Context) (interface{}, error)) gin.HandlerFunc {
return func(c *gin.Context) {
r, err := fn(c)
var b = []byte{}
if resp, ok := r.(*resty.Response); ok { // 如果是response则取出body直接处理
b = resp.Body()
} else if err == nil {
b, err = json.Marshal(r)
}
if err != nil {
dtmcli.Logf("status: 500, code: 500 message: %s", err.Error())
c.JSON(500, dtmcli.M{"code": 500, "message": err.Error()})
} else {
dtmcli.Logf("status: 200, content: %s", string(b))
c.Status(200)
c.Writer.Header().Add("Content-Type", "application/json")
_, err = c.Writer.Write(b)
dtmcli.E2P(err)
}
}
}
// MustGetwd must version of os.Getwd
func MustGetwd() string {
wd, err := os.Getwd()
dtmcli.E2P(err)
return wd
}
// GetCurrentCodeDir 获取当前源代码的目录,主要用于测试时,查找相关文件
func GetCurrentCodeDir() string {
_, file, _, _ := runtime.Caller(1)
wd := MustGetwd()
if strings.HasSuffix(wd, "/test") {
wd = filepath.Dir(wd)
}
return wd + "/" + filepath.Base(filepath.Dir(file))
}