implement model deleting routes

yopa-web/resources/templates/_macros.html.tera

@@ -5,4 +5,5 @@
 	{%- endif -%}
 	{%- if prop.optional %}, OPTIONAL{% endif %}
 	{%- if prop.multiple %}, MULTIPLE{% endif %}
+	<a href="/model/property/delete/{{prop.id}}">Delete property</a>
 {% endmacro input %}

yopa-web/resources/templates/index.html.tera

@@ -17,11 +17,17 @@
 
 <h2>Defined models:</h2>
 
+{% if models %}
 <ul>
 {% for model in models %}
 	<li>
 		<b title="{{model.id}}">{{model.name}}</b><br>
 
+		<a href="/model/object/delete/{{model.id}}">Delete model</a> &middot;
+		<a href="/model/relation/create/{{model.id}}">New relation</a> &middot;
+		<a href="/model/property/create/{{model.id}}">New property</a>
+		<br>
+
 		{% if model.properties %}
 		Properties:
 		<ul>
@@ -33,7 +39,6 @@
 		</ul>
 		{% endif %}
 
-		<a href="/model/property/create/{{model.id}}">Add a property</a><br>
 
 		{% if model.relations %}
 		Relations:
@@ -45,6 +50,10 @@
 				{%- if rel.model.multiple %}, MULTIPLE{% endif %}
 				<br>
 
+				<a href="/model/relation/delete/{{rel.model.id}}">Delete relation</a> &middot;
+				<a href="/model/property/create/{{rel.model.id}}">New property</a>
+				<br>
+
 				{% if rel.properties %}
 				Properties:
 				<ul>
@@ -55,16 +64,15 @@
 					{% endfor %}
 				</ul>
 				{% endif %}
-
-				<a href="/model/property/create/{{rel.model.id}}">Add a property</a>
 			</li>
 			{% endfor %}
 		</ul>
 		{% endif %}
-
-		<a href="/model/relation/create/{{model.id}}">Add a relation</a>
 	</li>
 {% endfor %}
 </ul>
+{% else %}
+<p>No models defined.</p>
+{% endif %}
 
 {%- endblock %}