fixed edit/create messages

views/pages/post_form.twig

@@ -0,0 +1,38 @@
+{% extends "layout.twig" %}
+
+{% block title %}
+    {% if post is defined and post.id is defined %}
+        Éditer l’article
+    {% else %}
+        Créer un article
+    {% endif %}
+{% endblock %}
+
+{% block content %}
+    <h2>
+        {% if post is defined and post.id is defined %}
+            Éditer l’article
+        {% else %}
+            Créer un article
+        {% endif %}
+    </h2>
+
+    <form method="post" action="{{ action }}">
+        <p>
+            <label>Titre<br>
+                <input type="text" name="title"
+                       value="{{ post.title|default('') }}" required>
+            </label>
+        </p>
+        <p>
+            <label>Contenu<br>
+                <textarea name="content" rows="6" required>{{ post.content|default('') }}</textarea>
+            </label>
+        </p>
+        <button type="submit">
+            {% if post is defined %}Mettre à jour{% else %}Enregistrer{% endif %}
+        </button>
+    </form>
+
+    <p><a href="/admin">Retour à l’admin</a></p>
+{% endblock %}