server-side tags function

dashboard.go

@@ -19,6 +19,7 @@ import (
 type Dashboard struct {
 	Title      string   `json:"title"`
 	Background string   `json:"background"`
+	Tags       []string `json:"tags"`
 	Checks     []Check  `json:"checks"`
 }
 
@@ -48,6 +49,15 @@ func titleToSlug(title string) string {
 	return title
 }
 
+func arrayContains(array []string, value string) bool {
+	for _, v := range array {
+		if v == value {
+			return true
+		}
+	}
+	return false
+}
+
 func handleListDashboards(w http.ResponseWriter, r *http.Request) {
 	files, err := ioutil.ReadDir("dashboards")
 	if err != nil {
@@ -56,6 +66,7 @@ func handleListDashboards(w http.ResponseWriter, r *http.Request) {
 	}
 
 	var dashboards []Dashboard
+	tagParam := r.URL.Query().Get("tag")
 
 	for _, f := range files {
 		if strings.HasSuffix(f.Name(), ".json") {
@@ -74,8 +85,16 @@ func handleListDashboards(w http.ResponseWriter, r *http.Request) {
 				continue
 			}
 
+			tags := dashboard.Tags
+
+			if tagParam != "" {
+				if arrayContains(tags, tagParam) {
 					dashboards = append(dashboards, dashboard)
 				}
+			} else {
+				dashboards = append(dashboards, dashboard)
+			}
+		}
 	}
 
 	enc := json.NewEncoder(w)