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ui/amcontext.go

@@ -50,6 +50,7 @@ type AmContext interface {
 	RC() int
 	OutputType() string
 	Parameter(string) string
+	QueryParamInt(string, int) int
 	RemoteIP() string
 	ReplaceUser(*database.User)
 	SaveSession() error
@@ -241,6 +242,19 @@ func (c *amContext) Parameter(name string) string {
 	return rc
 }
 
+// QueryParamInt returns the value of a query parameter as an integer, with a default.
+func (c *amContext) QueryParamInt(name string, defval int) int {
+	s := c.echoContext.QueryParam(name)
+	if s == "" {
+		return defval
+	}
+	rc, err := strconv.Atoi(s)
+	if err != nil {
+		return defval
+	}
+	return rc
+}
+
 // RemoteIP returns the remote IP address.
 func (c *amContext) RemoteIP() string {
 	return c.echoContext.RealIP()