dragonfly/manager/middlewares/error.go

73 lines
1.6 KiB
Go

package middlewares
import (
"net/http"
"d7y.io/dragonfly/v2/internal/dfcodes"
"d7y.io/dragonfly/v2/internal/dferrors"
"github.com/VividCortex/mysqlerr"
"github.com/gin-gonic/gin"
"github.com/go-sql-driver/mysql"
"github.com/pkg/errors"
"gorm.io/gorm"
)
type ErrorResponse struct {
Message string `json:"message,omitempty"`
Error string `json:"errors,omitempty"`
DocumentURL string `json:"documentation_url,omitempty"`
}
func Error() gin.HandlerFunc {
return func(c *gin.Context) {
c.Next()
err := c.Errors.Last()
if err == nil {
return
}
// RPC error handler
if err, ok := errors.Cause(err.Err).(*dferrors.DfError); ok {
switch err.Code {
case dfcodes.InvalidResourceType:
c.JSON(http.StatusBadRequest, ErrorResponse{
Message: http.StatusText(http.StatusBadRequest),
})
return
default:
c.JSON(http.StatusInternalServerError, ErrorResponse{
Message: http.StatusText(http.StatusInternalServerError),
})
return
}
}
// GORM error handler
if errors.Is(err.Err, gorm.ErrRecordNotFound) {
c.JSON(http.StatusNotFound, ErrorResponse{
Message: http.StatusText(http.StatusNotFound),
})
return
}
// Mysql error handler
if err, ok := errors.Cause(err.Err).(*mysql.MySQLError); ok {
switch err.Number {
case mysqlerr.ER_DUP_ENTRY:
c.JSON(http.StatusConflict, ErrorResponse{
Message: http.StatusText(http.StatusConflict),
})
return
default:
c.JSON(http.StatusInternalServerError, ErrorResponse{
Message: http.StatusText(http.StatusInternalServerError),
})
return
}
}
// Unknown error
c.JSON(http.StatusInternalServerError, nil)
}
}