1 files changed, 39 insertions, 0 deletions
diff --git a/users/aspen/bbbg/src/bbbg/views/flash.clj b/users/aspen/bbbg/src/bbbg/views/flash.clj
new file mode 100644
index 000000000000..a44b21d4cb24
--- /dev/null
+++ b/users/aspen/bbbg/src/bbbg/views/flash.clj
@@ -0,0 +1,39 @@
+(ns bbbg.views.flash
+  (:require [clojure.spec.alpha :as s]))
+
+(s/def :flash/type #{:success :error :warning :info})
+(s/def :flash/message string?)
+(s/def ::flash (s/keys :req [:flash/type :flash/message]))
+(s/fdef add-flash :args (s/cat :resp map? :flash ::flash) :ret map?)
+
+;;;
+
+(def ^:dynamic *flash* nil)
+
+(defn wrap-page-flash [handler]
+  (fn
+    ([request]
+     (binding [*flash* (:flash request)]
+       (handler request)))
+    ([request respond raise]
+     (binding [*flash* (:flash request)]
+       (handler request respond raise)))))
+
+(defn add-flash [resp flash]
+  (update-in resp [:flash :flash/messages] conj flash))
+
+(defn render-flash
+  ([] (render-flash *flash*))
+  ([flash]
+   (when-some [messages (not-empty (:flash/messages flash))]
+     [:ul.flash-messages
+      (for [message messages]
+        [:li.flash-message
+         {:class (str "flash-" (-> message :flash/type name))}
+         (:flash/message message)])])))
+
+(def test-flash
+  {:flash/messages
+   (for [type [:success :error :warning :info]]
+     {:flash/type type
+      :flash/message (str "Sample " type " message")})})