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feat: add nft(nf_util) package: resp(wrap status, data, msg ...); add config: enable_not_impled_handler(default return 501 not impled)

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This commit is contained in:
loveuer 2024-01-29 15:48:09 +08:00
parent 7b62a82b42
commit 79e94dfd21
9 changed files with 254 additions and 16 deletions
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21
group.go
View File

@ -1,6 +1,7 @@
package nf
import (
"fmt"
"log"
"net/http"
)
@ -25,8 +26,26 @@ func (group *RouterGroup) Group(prefix string) *RouterGroup {
return newGroup
}
func (group *RouterGroup) verifyHandlers(path string, handlers ...HandlerFunc) []HandlerFunc {
if len(handlers) == 0 {
if !group.app.config.EnableNotImplementHandler {
panic(fmt.Sprintf("missing handler in route: %s", path))
}
handlers = append(handlers, ToDoHandler)
}
for _, handler := range handlers {
if handler == nil {
panic(fmt.Sprintf("nil handler found in route: %s", path))
}
}
return handlers
}
func (group *RouterGroup) addRoute(method string, comp string, handlers ...HandlerFunc) {
verifyHandlers(comp, handlers...)
handlers = group.verifyHandlers(comp, handlers...)
pattern := group.prefix + comp
log.Printf("Add Route %4s - %s", method, pattern)
group.app.router.addRoute(method, pattern, handlers...)

6
handler.go
View File

@ -1,3 +1,9 @@
package nf
import "fmt"
type HandlerFunc func(*Ctx) error
func ToDoHandler(c *Ctx) error {
return c.Status(501).SendString(fmt.Sprintf("%s - %s Not Implemented", c.Method, c.Path()))
}

3
nf.go
View File

@ -19,7 +19,8 @@ type Config struct {
DisableRecover bool `json:"-"`
DisableHttpErrorLog bool `json:"-"`
NotFoundHandler HandlerFunc `json:"-"`
EnableNotImplementHandler bool `json:"-"`
NotFoundHandler HandlerFunc `json:"-"`
}
var (

70
nft/resp/error.go Normal file
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@ -0,0 +1,70 @@
package resp
import (
"errors"
"fmt"
"github.com/loveuer/nf"
)
type Error struct {
status uint32
msg string
err error
data any
}
func (e Error) Error() string {
if e.msg != "" {
return fmt.Sprintf("%s: %s", e.msg, e.err.Error())
}
switch e.status {
case 200:
return fmt.Sprintf("%s: %s", MSG200, e.err.Error())
case 202:
return fmt.Sprintf("%s: %s", MSG202, e.err.Error())
case 400:
return fmt.Sprintf("%s: %s", MSG400, e.err.Error())
case 401:
return fmt.Sprintf("%s: %s", MSG401, e.err.Error())
case 403:
return fmt.Sprintf("%s: %s", MSG403, e.err.Error())
case 404:
return fmt.Sprintf("%s: %s", MSG404, e.err.Error())
case 429:
return fmt.Sprintf("%s: %s", MSG429, e.err.Error())
case 500:
return fmt.Sprintf("%s: %s", MSG500, e.err.Error())
case 501:
return fmt.Sprintf("%s: %s", MSG501, e.err.Error())
}
return e.err.Error()
}
func NewError(statusCode uint32, msg string, rawErr error, data any) Error {
return Error{
status: statusCode,
msg: msg,
err: rawErr,
data: data,
}
}
func RespError(c *nf.Ctx, err error) error {
if err == nil {
return Resp(c, 500, MSG500, "response with nil error", nil)
}
var re = &Error{}
if errors.As(err, re) {
if re.err == nil {
return Resp(c, re.status, re.msg, re.msg, re.data)
}
return Resp(c, re.status, re.msg, re.err.Error(), re.data)
}
return Resp(c, 500, MSG500, err.Error(), nil)
}

127
nft/resp/resp.go Normal file
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@ -0,0 +1,127 @@
package resp
import (
"fmt"
"github.com/loveuer/nf"
"strconv"
"strings"
)
func handleEmptyMsg(status uint32, msg string) string {
if msg == "" {
switch status {
case 200:
msg = MSG200
case 202:
msg = MSG202
case 400:
msg = MSG400
case 401:
msg = MSG401
case 403:
msg = MSG403
case 404:
msg = MSG404
case 429:
msg = MSG429
case 500:
msg = MSG500
case 501:
msg = MSG501
}
}
return msg
}
func Resp(c *nf.Ctx, status uint32, msg string, err string, data any) error {
msg = handleEmptyMsg(status, msg)
c.Set(RealStatusHeader, strconv.Itoa(int(status)))
if data == nil {
return c.JSON(nf.Map{"status": status, "msg": msg, "err": err})
}
return c.JSON(nf.Map{"status": status, "msg": msg, "err": err, "data": data})
}
func Resp200(c *nf.Ctx, data any, msgs ...string) error {
msg := MSG200
if len(msgs) > 0 && msgs[0] != "" {
msg = fmt.Sprintf("%s: %s", msg, strings.Join(msgs, "; "))
}
return Resp(c, 200, msg, "", data)
}
func Resp202(c *nf.Ctx, data any, msgs ...string) error {
msg := MSG202
if len(msgs) > 0 && msgs[0] != "" {
msg = fmt.Sprintf("%s: %s", msg, strings.Join(msgs, "; "))
}
return Resp(c, 202, msg, "", data)
}
func Resp400(c *nf.Ctx, data any, msgs ...string) error {
msg := MSG400
err := ""
if len(msgs) > 0 && msgs[0] != "" {
msg = fmt.Sprintf("%s: %s", msg, strings.Join(msgs, "; "))
err = msg
}
return Resp(c, 400, msg, err, data)
}
func Resp401(c *nf.Ctx, data any, msgs ...string) error {
msg := MSG401
err := ""
if len(msgs) > 0 && msgs[0] != "" {
msg = fmt.Sprintf("%s: %s", msg, strings.Join(msgs, "; "))
err = msg
}
return Resp(c, 401, msg, err, data)
}
func Resp403(c *nf.Ctx, data any, msgs ...string) error {
msg := MSG403
err := ""
if len(msgs) > 0 && msgs[0] != "" {
msg = fmt.Sprintf("%s: %s", msg, strings.Join(msgs, "; "))
err = msg
}
return Resp(c, 403, msg, err, data)
}
func Resp429(c *nf.Ctx, data any, msgs ...string) error {
msg := MSG429
err := ""
if len(msgs) > 0 && msgs[0] != "" {
msg = fmt.Sprintf("%s: %s", msg, strings.Join(msgs, "; "))
err = ""
}
return Resp(c, 429, msg, err, data)
}
func Resp500(c *nf.Ctx, data any, msgs ...string) error {
msg := MSG500
err := ""
if len(msgs) > 0 && msgs[0] != "" {
msg = fmt.Sprintf("%s: %s", msg, strings.Join(msgs, "; "))
err = msg
}
return Resp(c, 500, msg, err, data)
}

17
nft/resp/var.go Normal file
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@ -0,0 +1,17 @@
package resp
const (
MSG200 = "请求成功"
MSG202 = "请求成功, 请稍后..."
MSG400 = "请求参数错误"
MSG401 = "登录已过期, 请重新登录"
MSG403 = "请求权限不足"
MSG404 = "请求资源未找到"
MSG429 = "请求过于频繁, 请稍后再试"
MSG500 = "服务器开小差了, 请稍后再试"
MSG501 = "功能开发中, 尽情期待"
)
const (
RealStatusHeader = "NF-STATUS"
)

12
util.go
View File

@ -27,18 +27,6 @@ const (
MIMEApplicationJavaScriptCharsetUTF8 = "application/javascript; charset=utf-8"
)
func verifyHandlers(path string, handlers ...HandlerFunc) {
if len(handlers) == 0 {
panic(fmt.Sprintf("missing handler in route: %s", path))
}
for _, handler := range handlers {
if handler == nil {
panic(fmt.Sprintf("nil handler found in route: %s", path))
}
}
}
// parseVendorSpecificContentType check if content type is vendor specific and
// if it is parsable to any known types. If it's not vendor specific then returns
// the original content type.

6
xtest/basic/basic.http
View File

@ -1,2 +1,6 @@
### basic - get
GET http://127.0.0.1/hello/nf
GET http://127.0.0.1/hello/nf
### test resp error
GET http://127.0.0.1/error

8
xtest/basic/main.go
View File

@ -1,24 +1,30 @@
package main
import (
"errors"
"github.com/loveuer/nf"
"github.com/loveuer/nf/nft/resp"
"log"
"net"
"time"
)
func main() {
app := nf.New()
app := nf.New(nf.Config{EnableNotImplementHandler: true})
app.Get("/hello/:name", func(c *nf.Ctx) error {
name := c.Param("name")
return c.JSON(nf.Map{"status": 200, "data": "hello, " + name})
})
app.Get("/not_impl")
app.Patch("/world", func(c *nf.Ctx) error {
time.Sleep(5 * time.Second)
c.Status(404)
return c.JSON(nf.Map{"method": c.Method, "status": c.StatusCode})
})
app.Get("/error", func(c *nf.Ctx) error {
return resp.RespError(c, resp.NewError(404, "not found", errors.New("NNNot Found"), nil))
})
ln, _ := net.Listen("tcp", ":80")
log.Fatal(app.RunListener(ln))