Added logging, and, hopefully, visible error messages.

src/clj/ireadit/routes/services.clj

@@ -1,8 +1,9 @@
 (ns ireadit.routes.services
-  (:require [ring.util.http-response :refer :all]
-            [cemerick.url :refer (url-decode)]
+  (:require [cemerick.url :refer (url-decode)]
+            [clojure.tools.logging :as log]
             [compojure.api.sweet :refer :all]
             [ireadit.tesseractor :refer [ocr]]
+            [ring.util.http-response :refer :all]
             [schema.core :as s]))
 
 (def service-routes
@@ -19,4 +20,7 @@
             (POST "/ocr/:uri" []
                   :return       String
                   :path-params [uri :- String]
-                  (ok (ocr (url-decode uri)))))))
+                  (ok (let [decoded (url-decode uri)
+                            text (ocr decoded)]
+                        (log/info (str "ocr '" decoded "' => '" text "'"))
+                        text))))))

src/cljs/ireadit/events.cljs

@@ -41,7 +41,7 @@
                    :response-format (ajax/json-response-format)
                    :on-success      [:set-transcription]
                    :on-failure      [:bad-transcription]}
-      :db (assoc (dissoc (dissoc db :transcription) :common/error) :pending true)})))
+      :db (assoc (dissoc db :transcription :common/error :error) :pending true)})))
 
 (rf/reg-event-db
   :set-transcription
@@ -49,18 +49,18 @@
     (js/console.log (str "Failed to fetch transcription data" response))
     (dissoc (assoc db :transcription response) :pending)))
 
-(rf/reg-event-fx
+(rf/reg-event-db
   :bad-transcription
   (fn
-    [{db :db} [_ response]]
+    [db [_ response]]
     ;; TODO: signal something has failed? It doesn't matter very much, unless it keeps failing.
     (js/console.log (str "Failed to fetch transcription data" response))
-    (dissoc (assoc db :common/error response) :pending)))
+    (dissoc (assoc db :error response) :pending)))
 
 (rf/reg-event-db
   :common/set-error
   (fn [db [_ error]]
-    (assoc db :common/error error)))
+    (assoc (assoc db :common/error error) :error error)))
 
 ;;subscriptions
 
@@ -79,6 +79,11 @@
   (fn [db _]
     (:common/error db)))
 
+(rf/reg-sub
+  :error
+  (fn [db _]
+    (:error db)))
+
 (rf/reg-sub
  :url
   (fn [db _]

src/cljs/ireadit/views/form.cljs

@@ -39,6 +39,6 @@
      [:div.col-sm-12 {:class (if @(rf/subscribe [:transcription]) "visible" "hidden")}
       [b/Alert {:color "success"} @(rf/subscribe [:transcription])]]]
     [b/Row
-     [:div.col-sm-12 {:class (if @(rf/subscribe [:common/error]) "visible" "hidden")}
-      [b/Alert {:color "warning"} @(rf/subscribe [:common/error])]]]]])
+     [:div.col-sm-12 {:class (if @(rf/subscribe [:error]) "visible" "hidden")}
+      [b/Alert {:color "warning"} @(rf/subscribe [:error])]]]]])