Add default servings to profile + choose servings when scheduling

backend/templates/recipe_view.html

@@ -80,7 +80,18 @@
     {% endfor %}
 
     <div id="hidden-templates">
-        {% include "calendar.html" %}
+        {# To create a modal dialog to choose a date and and servings #}
+        {% if let Some(user) = user %}
+            <div class="date-and-servings" >
+                {% include "calendar.html" %}
+                <label for="input-servings">{{ tr.t(Sentence::RecipeServings) }}</label>
+                <input
+                    id="input-servings"
+                    type="number"
+                    step="1" min="1" max="100"
+                    value="{{ user.default_servings }}"/>
+            </div>
+        {% endif %}
     </div>
 </div>