3 files changed, 25 insertions, 1 deletions
diff --git a/server/core/json_response.go b/server/core/json_response.go
index 3e0b0e8f..ed29d6ab 100644
--- a/server/core/json_response.go
+++ b/server/core/json_response.go
@@ -103,3 +103,8 @@ func (j *JSONResponse) toJSON(v interface{}) []byte {
 
 	return b
 }
+
+// NewJSONResponse returns a new JSONResponse.
+func NewJSONResponse(w http.ResponseWriter, r *http.Request) *JSONResponse {
+	return &JSONResponse{request: r, writer: w}
+}
diff --git a/server/core/request.go b/server/core/request.go
index 4a2acc3b..540b2ac1 100644
--- a/server/core/request.go
+++ b/server/core/request.go
@@ -51,6 +51,18 @@ func (r *Request) Cookie(name string) string {
 	return cookie.Value
 }
 
+// FormValue returns a form value as integer.
+func (r *Request) FormValue(param string) string {
+	return r.request.FormValue(param)
+}
+
+// FormIntegerValue returns a form value as integer.
+func (r *Request) FormIntegerValue(param string) int64 {
+	value := r.request.FormValue(param)
+	integer, _ := strconv.Atoi(value)
+	return int64(integer)
+}
+
 // IntegerParam returns an URL parameter as integer.
 func (r *Request) IntegerParam(param string) (int64, error) {
 	vars := mux.Vars(r.request)
@@ -105,6 +117,13 @@ func (r *Request) QueryIntegerParam(param string, defaultValue int) int {
 	return val
 }
 
+// HasQueryParam checks if the query string contains the given parameter.
+func (r *Request) HasQueryParam(param string) bool {
+	values := r.request.URL.Query()
+	_, ok := values[param]
+	return ok
+}
+
 // NewRequest returns a new Request struct.
 func NewRequest(w http.ResponseWriter, r *http.Request) *Request {
 	return &Request{writer: w, request: r}
diff --git a/server/core/response.go b/server/core/response.go
index 4aef8af0..fc15e420 100644
--- a/server/core/response.go
+++ b/server/core/response.go
@@ -26,7 +26,7 @@ func (r *Response) SetCookie(cookie *http.Cookie) {
 // JSON returns a JSONResponse.
 func (r *Response) JSON() *JSONResponse {
 	r.commonHeaders()
-	return &JSONResponse{writer: r.writer, request: r.request}
+	return NewJSONResponse(r.writer, r.request)
 }
 
 // HTML returns a HTMLResponse.