context: improve the formParse

@@ -2,6 +2,7 @@ package context
 
 
 import (
 import (
 	"bytes"
 	"bytes"
+	"errors"
 	"io/ioutil"
 	"io/ioutil"
 	"net/http"
 	"net/http"
 	"reflect"
 	"reflect"
@@ -92,6 +93,41 @@ func (input *BeegoInput) Is(method string) bool {
 	return input.Method() == method
 	return input.Method() == method
 }
 }
 
 
+// Is this a GET method request?
+func (input *BeegoInput) IsGet() bool {
+	return input.Is("GET")
+}
+
+// Is this a POST method request?
+func (input *BeegoInput) IsPost() bool {
+	return input.Is("POST")
+}
+
+// Is this a Head method request?
+func (input *BeegoInput) IsHead() bool {
+	return input.Is("HEAD")
+}
+
+// Is this a OPTIONS method request?
+func (input *BeegoInput) IsOptions() bool {
+	return input.Is("OPTIONS")
+}
+
+// Is this a PUT method request?
+func (input *BeegoInput) IsPut() bool {
+	return input.Is("PUT")
+}
+
+// Is this a DELETE method request?
+func (input *BeegoInput) IsDelete() bool {
+	return input.Is("DELETE")
+}
+
+// Is this a PATCH method request?
+func (input *BeegoInput) IsPatch() bool {
+	return input.Is("PATCH")
+}
+
 // IsAjax returns boolean of this request is generated by ajax.
 // IsAjax returns boolean of this request is generated by ajax.
 func (input *BeegoInput) IsAjax() bool {
 func (input *BeegoInput) IsAjax() bool {
 	return input.Header("X-Requested-With") == "XMLHttpRequest"
 	return input.Header("X-Requested-With") == "XMLHttpRequest"
@@ -109,7 +145,7 @@ func (input *BeegoInput) IsWebsocket() bool {
 
 
 // IsSecure returns boolean of whether file uploads in this request or not..
 // IsSecure returns boolean of whether file uploads in this request or not..
 func (input *BeegoInput) IsUpload() bool {
 func (input *BeegoInput) IsUpload() bool {
-	return input.Request.MultipartForm != nil
+	return input.Header("Content-Type") == "multipart/form-data"
 }
 }
 
 
 // IP returns request client ip.
 // IP returns request client ip.
@@ -175,7 +211,9 @@ func (input *BeegoInput) Param(key string) string {
 
 
 // Query returns input data item string by a given string.
 // Query returns input data item string by a given string.
 func (input *BeegoInput) Query(key string) string {
 func (input *BeegoInput) Query(key string) string {
+	if input.Request.Form == nil {
 		input.Request.ParseForm()
 		input.Request.ParseForm()
+	}
 	return input.Request.Form.Get(key)
 	return input.Request.Form.Get(key)
 }
 }
 
 
@@ -200,7 +238,7 @@ func (input *BeegoInput) Session(key interface{}) interface{} {
 }
 }
 
 
 // Body returns the raw request body data as bytes.
 // Body returns the raw request body data as bytes.
-func (input *BeegoInput) Body() []byte {
+func (input *BeegoInput) CopyBody() []byte {
 	requestbody, _ := ioutil.ReadAll(input.Request.Body)
 	requestbody, _ := ioutil.ReadAll(input.Request.Body)
 	input.Request.Body.Close()
 	input.Request.Body.Close()
 	bf := bytes.NewBuffer(requestbody)
 	bf := bytes.NewBuffer(requestbody)
@@ -222,3 +260,21 @@ func (input *BeegoInput) GetData(key interface{}) interface{} {
 func (input *BeegoInput) SetData(key, val interface{}) {
 func (input *BeegoInput) SetData(key, val interface{}) {
 	input.Data[key] = val
 	input.Data[key] = val
 }
 }
+
+func (input *BeegoInput) ParseFormOrMulitForm(maxMemory int64) error {
+	// Parse the body depending on the content type.
+	switch input.Header("Content-Type") {
+	case "application/x-www-form-urlencoded":
+		// Typical form.
+		if err := input.Request.ParseForm(); err != nil {
+			return errors.New("Error parsing request body:" + err.Error())
+		}
+
+	case "multipart/form-data":
+		if err := input.Request.ParseMultipartForm(maxMemory); err != nil {
+			return errors.New("Error parsing request body:" + err.Error())
+		}
+	}
+
+	return nil
+}