Move QueryParams to resource module

resource/query_params.go

@@ -0,0 +1,30 @@
+package resource
+
+import (
+//"github.com/gorilla/schema"
+)
+
+type QueryParams struct {
+	Limit *int    `schema:"limit"`
+	Query *string `schema:"query"`
+	Sort  *string `schema:"sort"`
+	Type  *string `schema:"type"`
+}
+
+func (qp QueryParams) SortOrDefault(default_name string, ascending bool) (string, bool) {
+	if qp.Sort == nil {
+		return default_name, ascending
+	}
+	s := *qp.Sort
+	if s == "" {
+		return default_name, ascending
+	}
+	a := true
+	if s[0] == '-' {
+		a = false
+	}
+	if s[0] == '+' || s[0] == '-' {
+		s = s[1:]
+	}
+	return s, a
+}