From 25d30f3c036f47a62ea6ebdc96496d836ebd4ef7 Mon Sep 17 00:00:00 2001
From: Tim <contact@bytim.eu>
Date: Sat, 7 Jun 2025 13:24:07 +0200
Subject: Show thumbnail on recipe page

---
 src/chef/pages/recipe.clj | 30 +++++++++++++++++++++++-------
 src/chef/routes.clj       |  4 +++-
 2 files changed, 26 insertions(+), 8 deletions(-)

(limited to 'src/chef')

diff --git a/src/chef/pages/recipe.clj b/src/chef/pages/recipe.clj
index f1c1a21..84f999c 100644
--- a/src/chef/pages/recipe.clj
+++ b/src/chef/pages/recipe.clj
@@ -5,7 +5,8 @@
             [hiccup2.core :as html]
             [honey.sql :as sql]
             [next.jdbc :as jdbc]
-            [ring.util.response :as ruresp]))
+            [ring.util.response :as ruresp])
+  (:import java.io.File))
 
 (defn- render [recipe]
   (cutils/gen-page (str "chef - " (:recipes/title recipe))
@@ -14,12 +15,15 @@
                      [:h1 {:style {:display      :inline-block
                                    :margin-right "0.5em"}}
                       (:recipes/title recipe)]
-                     [:i (cutils/category-path (->> {:select [:*]
-                                                     :from   [:categories]
-                                                     :where  [:= :id (:recipes/category recipe)]}
-                                                    sql/format
-                                                    (jdbc/execute! @cdb/db)
-                                                    first))]]
+                     [:i (str "(" (cutils/category-path (->> {:select [:*]
+                                                              :from   [:categories]
+                                                              :where  [:= :id (:recipes/category recipe)]}
+                                                             sql/format
+                                                             (jdbc/execute! @cdb/db)
+                                                             first)) ")")]]
+                    (when (some? (cutils/get-thumbnail-file recipe))
+                      [:img {:src    (str "/recipes/" (:recipes/id recipe) "/thumbnail")
+                             :width "50%"}])
                     [:h2 (str "Zutaten"
                               (condp = (:recipes/unit recipe)
                                 0 " pro Portion"
@@ -50,3 +54,15 @@
        html/html
        str
        ruresp/response))
+
+(defn thumbnail-handler [req]
+  (if-let [id (get-in req [:path-params :id])]
+    (when-let [thumbnail-file (->> {:select [:*]
+                                    :from   [:recipes]
+                                    :where  [:= :id id]}
+                                   sql/format
+                                   (jdbc/execute! @cdb/db)
+                                   first
+                                   cutils/get-thumbnail-file)]
+      (ruresp/file-response (.getPath ^File thumbnail-file)))
+    (ruresp/bad-request "Bad request.")))
diff --git a/src/chef/routes.clj b/src/chef/routes.clj
index 03d2e5b..d21cb0d 100644
--- a/src/chef/routes.clj
+++ b/src/chef/routes.clj
@@ -18,7 +18,9 @@
             [chef.pages.admin.recipe-editor :as cparecipe-editor]))
 
 (def router [["/" {:get {:handler cphome/handler}}]
-             ["/recipes/:id" {:get cprecipe/handler}]
+             ["/recipes/:id"
+              ["/" {:get cprecipe/handler}]
+              ["/thumbnail" {:get cprecipe/thumbnail-handler}]]
              ["/static/*" (rring/create-resource-handler)]
              ["/admin"
               ["/" {:get {:handler cpadmin/handler}}]
-- 
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