demo template improvements

.gitignore

@@ -156,3 +156,5 @@ dmypy.json
 
 # Cython debug symbols
 cython_debug/
+
+node_modules/

capella_model_explorer/explorer.py

@@ -1,5 +1,6 @@
 import click
 from fastapi import FastAPI
+from fastapi.responses import HTMLResponse
 import uvicorn
 import capellambse
 from pathlib import Path
@@ -76,7 +77,7 @@ def render_template(template_name: str, object_id: str):
     object = app.model.by_uuid(object_id)
     # render the template with the object
     rendered = template.render(object=object)
-    return rendered
+    return HTMLResponse(content=rendered, status_code=200)
 
 
 if __name__ == "__main__":

templates/system_capability.j2.html

@@ -1,6 +1,25 @@
-<h1>{{ object.name }}</h1>
+<h1>{{ object.name | capitalize }}</h1>
 {% if object.description %}
 <p>{{ object.description }}</p>
 {% else %}
-<p>No description available.</p>
+<p style="color:red">No description available.</p>
 {% endif %}
+
+<b>Pre-condition</b>: 
+{% if object.precondition %}
+{{ object.precondition.specification['capella:linkedText']|safe }}
+{% else %}
+<p style="color:red">No pre-condition defined</p>
+{% endif %}
+
+<b>Post-condition</b>:
+{% if object.postcondition %}
+{{ object.postcondition.specification['capella:linkedText']|safe }}
+{% else %}
+<p style="color:red">No post-condition defined</p>
+{% endif %}
+
+<h2>Context Diagram</h2>
+<p>The diagram below provides an overview over the entities immediately involved in the Capability and related Capabilities.</p>
+
+{{ object.context_diagram.as_svg|safe}}