#89: First implementation of longer result history

controller/util.go

@@ -0,0 +1,30 @@
+package controller
+
+import (
+	"net/http"
+	"strconv"
+)
+
+func extractPageAndPageSizeFromRequest(r *http.Request) (page int, pageSize int) {
+	var err error
+	if pageParameter := r.URL.Query().Get("page"); len(pageParameter) == 0 {
+		page = 1
+	} else {
+		page, err = strconv.Atoi(pageParameter)
+		if err != nil {
+			page = 1
+		}
+	}
+	if pageSizeParameter := r.URL.Query().Get("pageSize"); len(pageSizeParameter) == 0 {
+		pageSize = 20
+	} else {
+		pageSize, err = strconv.Atoi(pageSizeParameter)
+		if err != nil {
+			pageSize = 20
+		}
+		if pageSize > 100 {
+			pageSize = 100
+		}
+	}
+	return
+}