First working version. Can add Projects and Tasks

util/array.go

@@ -0,0 +1,27 @@
+package util
+
+import "reflect"
+
+// InArray checks is val exists in a Slice
+func InArray(val interface{}, array interface{}) bool {
+	return AtArrayPosition(val, array) != -1
+}
+
+// AtArrayPosition find the int position of val in a Slice
+func AtArrayPosition(val interface{}, array interface{}) (index int) {
+	index = -1
+
+	switch reflect.TypeOf(array).Kind() {
+	case reflect.Slice:
+		s := reflect.ValueOf(array)
+
+		for i := 0; i < s.Len(); i++ {
+			if reflect.DeepEqual(val, s.Index(i).Interface()) == true {
+				index = i
+				return
+			}
+		}
+	}
+
+	return
+}