Add features to upload and delete thumbnails

2 files changed, 47 insertions, 4 deletions

diff --git a/src/chef/pages/admin/api.clj b/src/chef/pages/admin/api.clj
index 9696eb5..1119607 100644
--- a/src/chef/pages/admin/api.clj
+++ b/src/chef/pages/admin/api.clj
@@ -1,9 +1,12 @@
 (ns chef.pages.admin.api
   (:require [chef.utils :as cutils]
             [chef.database :as cdb]
+            [clojure.string :as cstr]
             [next.jdbc :as jdbc]
             [honey.sql :as sql]
-            [ring.util.response :as ruresp]))
+            [ring.util.response :as ruresp]
+            [clojure.java.io :as cjio])
+  (:import java.io.File))
 
 (defn create-category [req]
   (cutils/auth-only req
@@ -81,7 +84,22 @@
                           ingredients (get-in req [:params "ingredients"])]
                       (if (and (some? id)
                                (cutils/valid-ingredients? ingredients))
-                        (do (jdbc/execute! @cdb/db
+                        (do (when-let [thumbnail (get-in req [:params "thumbnail"])]
+                              (when-let [existing-thumbnail-file (->> {:select [:*]
+                                                                       :from   [:recipes]
+                                                                       :where  [:= :id id]}
+                                                                      sql/format
+                                                                      (jdbc/execute! @cdb/db)
+                                                                      first
+                                                                      cutils/get-thumbnail-file)]
+                                (.delete ^File existing-thumbnail-file))
+                              (cjio/copy (:tempfile thumbnail)
+                                         (File. (str "./thumbnails/" id "."
+                                                     (-> thumbnail
+                                                         :filename
+                                                         (cstr/split #"\.")
+                                                         last)))))
+                            (jdbc/execute! @cdb/db
                                            (sql/format {:update :recipes
                                                         :set    {:title       (get-in req [:params "title"])
                                                                  :category    (get-in req [:params "category"])
@@ -91,3 +109,18 @@
                                                         :where  [:= :id id]}))
                             (ruresp/response "Saved."))
                         (ruresp/bad-request "Bad request.")))))
+
+(defn delete-thumbnail [req]
+  (cutils/auth-only req
+                    (if-let [id (try (Integer/parseInt (get-in req [:path-params :id]))
+                                     (catch Exception _ nil))]
+                      (when-let [thumbnail-file (->> {:select [:*]
+                                                      :from   [:recipes]
+                                                      :where  [:= :id id]}
+                                                     sql/format
+                                                     (jdbc/execute! @cdb/db)
+                                                     first
+                                                     cutils/get-thumbnail-file)]
+                        (.delete ^File thumbnail-file)
+                        (ruresp/response "Done."))
+                      (ruresp/bad-request "Bad request."))))
diff --git a/src/chef/pages/admin/recipe_editor.clj b/src/chef/pages/admin/recipe_editor.clj
index 6afd591..cc30942 100644
--- a/src/chef/pages/admin/recipe_editor.clj
+++ b/src/chef/pages/admin/recipe_editor.clj
@@ -13,9 +13,20 @@
                     [:h1 "Rezept bearbeiten"]
                     [:form {:style   {:width "50%"}
                             :hx-post (str "/api/admin/edit-recipe/" (:recipes/id recipe))
-                            :hx-swap "none"}
+                            :hx-swap "none"
+                            :enctype "multipart/form-data"}
                      [:input {:type  :text :name "title" :placeholder "Titel"
                               :value (:recipes/title recipe)}]
+                     [:div {:style {:display :flex}}
+                      [:p {:style {:margin-right "0.5em"}} "Thumbnail: "]
+                      [:input {:type  :file :name "thumbnail"
+                               :style {:height  :fit-content
+                                       :padding "0.3em"}}]]
+                     [:button {:class      ["button" "error"]
+                               :hx-trigger "click"
+                               :hx-delete  (str "/api/admin/delete-thumbnail/" (:recipes/id recipe))
+                               :hx-swap    :none}
+                      "Thumbnail entfernen"]
                      [:h2 "Kategorie"]
                      [:select {:name "category"}
                       (for [category (->> (sql/format {:select [:*]
@@ -36,7 +47,6 @@
                       [:p ":"]]
                      [:textarea {:name "ingredients"}
                       (:recipes/ingredients recipe)]
-                     ;; Regex: ([A-z0-9 ]*)=([0-9]*) ?([A-z]*)
                      [:p "(Je Zeile eine Zutat, in dem Format " [:code "[Beschreibung der Zutat]=[Menge als Zahl][Einheit der Menge]"] ".)"]
                      [:h2 "Zubereitung"]
                      [:textarea {:name "preparation"}