busniess-user-center/pkg/utils/gin/handler.go

137 lines
3.8 KiB
Go

package gin
import (
"context"
"github.com/gin-gonic/gin"
"github.com/gin-gonic/gin/binding"
)
type Handler[ReqType any, RspType any] func(ctx context.Context, req ReqType) (rsp RspType, err error)
type HandlerWithGinContext[ReqType any, RspType any] func(ctx context.Context, ginCtx *gin.Context, req ReqType) (rsp RspType, err error)
type HandlerNoReqWithGinContext[RspType any] func(ctx context.Context, ginCtx *gin.Context) (rsp RspType, err error)
type NoReqHandler[RspType any] func(ctx context.Context) (rsp RspType, err error)
type NoRspHandler[ReqType any] func(ctx context.Context, req ReqType) (err error)
func Wrap[ReqType any, RspType any](f Handler[*ReqType, RspType]) gin.HandlerFunc {
return func(c *gin.Context) {
req := new(ReqType)
b := binding.Default(c.Request.Method, c.ContentType())
err := c.ShouldBindWith(req, b)
if err != nil {
_ = c.Error(err)
c.JSON(200, gin.H{"result": false, "code": 400, "msg": err.Error()})
return
}
rsp, err := f(c, req)
if err != nil {
_ = c.Error(err)
c.JSON(200, gin.H{"result": false, "code": 400, "msg": err.Error()})
return
}
c.JSON(200, gin.H{"result": true, "msg": "ok", "data": rsp})
}
}
func WrapWithGinContext[ReqType any, RspType any](f HandlerWithGinContext[*ReqType, RspType]) gin.HandlerFunc {
return func(c *gin.Context) {
req := new(ReqType)
b := binding.Default(c.Request.Method, c.ContentType())
err := c.ShouldBindWith(req, b)
if err != nil {
_ = c.Error(err)
c.JSON(200, gin.H{"result": false, "code": 400, "msg": err.Error()})
return
}
rsp, err := f(c, c, req)
if err != nil {
_ = c.Error(err)
c.JSON(200, gin.H{"result": false, "code": 400, "msg": err.Error()})
return
}
c.JSON(200, gin.H{"result": true, "msg": "ok", "data": rsp})
}
}
func CheckError(c *gin.Context, err error) bool {
if err == nil {
return true
}
c.JSON(200, gin.H{"result": false, "code": 400, "msg": err.Error()})
return false
}
func Bind(c *gin.Context, obj interface{}) error {
b := binding.Default(c.Request.Method, c.ContentType())
return c.ShouldBindWith(obj, b)
}
func SendSuccess(c *gin.Context, code int, data ...interface{}) {
dataLen := len(data)
if dataLen > 1 {
var items []interface{}
items = append(items, data...)
c.JSON(code, gin.H{"result": true, "msg": "ok", "data": items})
} else if dataLen == 1 {
c.JSON(200, gin.H{"result": true, "msg": "ok", "data": data[0]})
} else {
c.JSON(code, gin.H{"result": true, "msg": "ok"})
}
}
func WrapNoReq[RspType any](f NoReqHandler[RspType]) gin.HandlerFunc {
return func(c *gin.Context) {
rsp, err := f(c)
if err != nil {
_ = c.Error(err)
c.JSON(200, gin.H{"result": false, "code": 400, "msg": err.Error()})
return
}
c.JSON(200, gin.H{"result": true, "msg": "ok", "data": rsp})
}
}
func WrapNoRsp[ReqType any](f NoRspHandler[*ReqType]) gin.HandlerFunc {
return func(c *gin.Context) {
req := new(ReqType)
b := binding.Default(c.Request.Method, c.ContentType())
err := c.ShouldBindWith(req, b)
if err != nil {
_ = c.Error(err)
c.JSON(200, gin.H{"result": false, "code": 400, "msg": err.Error()})
return
}
err = f(c, req)
if err != nil {
_ = c.Error(err)
c.JSON(200, gin.H{"result": false, "code": 400, "msg": err.Error()})
return
}
c.JSON(200, gin.H{"result": true, "msg": "ok"})
}
}
func WrapNoReqWithGinContext[RspType any](f HandlerNoReqWithGinContext[RspType]) gin.HandlerFunc {
return func(c *gin.Context) {
rsp, err := f(c, c)
if err != nil {
_ = c.Error(err)
c.JSON(200, gin.H{"result": false, "code": 400, "msg": err.Error()})
return
}
c.JSON(200, gin.H{"result": true, "msg": "ok", "data": rsp})
}
}
func ConvertBody(c *gin.Context, obj interface{}) error {
b := binding.Default(c.Request.Method, c.ContentType())
return c.ShouldBindWith(obj, b)
}