Created

query_params.go

@@ -0,0 +1,66 @@
+package woogo
+
+import (
+	"net/url"
+	"strings"
+
+	"github.com/google/go-querystring/query"
+)
+
+const (
+	SortAsc  = "asc"
+	SortDesc = "desc"
+)
+
+const (
+	ViewContext = "view"
+	EditContext = "edit"
+)
+
+type queryParams struct {
+	Page    int    `url:"page,omitempty"`
+	PerPage int    `url:"per_page,omitempty"`
+	Offset  int    `url:"offset,omitempty"`
+	Order   string `url:"order,omitempty"`
+	OrderBy string `url:"order_by,omitempty"`
+	Context string `url:"context,omitempty"`
+}
+
+func (q *queryParams) TidyVars() *queryParams {
+	if q.Page <= 0 {
+		q.Page = 1
+	}
+	if q.PerPage <= 0 {
+		q.PerPage = 10
+	} else if q.PerPage > 100 {
+		q.PerPage = 100
+	}
+	if q.Offset < 0 {
+		q.Offset = 0
+	}
+
+	if q.Order == "" {
+		q.Order = SortAsc
+	} else {
+		q.Order = strings.ToLower(q.Order)
+		if q.Order != SortDesc {
+			q.OrderBy = SortAsc
+		}
+	}
+
+	if q.Context == "" {
+		q.Context = ViewContext
+	} else {
+		q.Context = strings.ToLower(q.Context)
+		if q.Context != EditContext {
+			q.Context = ViewContext
+		}
+	}
+	return q
+}
+
+// change to url.values
+func toValues(i interface{}) (values url.Values) {
+	values, _ = query.Values(i)
+	return
+}