use edn frontmatter for edit command

" hr "
" body)))
" header-lines))]
" (rest body-lines)))))

src/snippets_cms/backend_connect.clj

@@ -23,7 +23,8 @@
 (defn update-snippet [id patch]
   (http/patch (str (:backend-host config) "/api/snippet")
               {:query-params {:id id}
-               :headers {:content-type "application/edn"}
+               :headers {:accept "application/edn"
+                         :content-type "application/edn"}
                :body  (pr-str patch)}))
 
 (defn create-snippet [{:keys [title slug markdown tags]}]

src/snippets_cms/tui_actions/edit.clj

@@ -1,36 +1,31 @@
 (ns snippets-cms.tui-actions.edit
   (:require
+   [clojure.edn :as edn]
    [com.travisshears.gum-utils :as utils]
+   [clojure.pprint :as pprint]
+   [clojure.string :as str]
    [snippets-cms.backend-connect :refer [fetch-snippet fetch-snippets
                                          update-snippet]]
    [snippets-cms.tui-actions.view :as view]))
 
-(defn prompt-for-edit-type []
-  (utils/select (map #(hash-map :value (name %) :item %) '(:title
-                                                           :markdown
-                                                           :slug
-                                                           :remove-tag
-                                                           :add-tags
-                                                           :done))))
+(defn- pr-str-pretty [value]
+  (with-out-str (pprint/pprint value)))
+(def hr "---")
+(defn- gen-edit-pre-fill [snippet]
+  (let [header (pr-str-pretty {:title (:title snippet)
+                               :slug (:slug snippet)
+                               :tags (:tags snippet)})
+        body (:markdown snippet)]
+    (str header "\n" hr "\n" body)))
 
-(defn edit
-  ([snippet]
-   (edit snippet {}))
-  ([snippet changes]
-   (case (prompt-for-edit-type)
-     :title (let [new-title (utils/prompt-for "title" :prefill (:title snippet))]
-              (edit (assoc snippet :title new-title) (assoc changes :title new-title)))
-     :slug (let [new-slug (utils/prompt-for "slug" :prefill (:slug snippet))]
-             (edit (assoc snippet :slug new-slug) (assoc changes :slug new-slug)))
-     :remove-tag (let [tag-to-remove (utils/select (map #(hash-map :value % :item %) (:tags snippet)))
-                       tags (remove #(= % tag-to-remove) (:tags snippet))]
-                   (edit (assoc snippet :tags tags) (assoc changes :tags tags)))
-     :add-tags (let [new-tags (utils/prompt-for-many "tags")
-                     tags (concat new-tags (:tags snippet))]
-                 (edit (assoc snippet :tags tags) (assoc changes :tags tags)))
-     :markdown (let [new-markdown (utils/prompt-for-long-form "markdown" :prefill (:markdown snippet))]
-                 (edit (assoc snippet :markdown new-markdown) (assoc changes :markdown new-markdown)))
-     :done changes)))
+(defn- parse-update [text]
+  (let [lines (str/split-lines text)
+        [header-lines, body-lines] (split-with #(not= % hr) lines)
+        header (edn/read-string (str/join "\n" header-lines))]
+    (assoc header :markdown (str/join "\n" (rest body-lines)))))
+
+(defn edit [snippet]
+  (parse-update (utils/prompt-for-long-form "body" :prefill (gen-edit-pre-fill snippet))))
 
 (defn run []
   (let [snippet-to-edit (utils/select (map #(hash-map :value (:slug %) :item %) (fetch-snippets)))]